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Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
  [HWRNG] omap: Minor updates
  [CRYPTO] kconfig: Ordering cleanup
  [CRYPTO] all: Clean up init()/fini()
  [CRYPTO] padlock-aes: Use generic setkey function
  [CRYPTO] aes: Export generic setkey
  [CRYPTO] api: Make the crypto subsystem fully modular
  [CRYPTO] cts: Add CTS mode required for Kerberos AES support
  [CRYPTO] lrw: Replace all adds to big endians variables with be*_add_cpu
  [CRYPTO] tcrypt: Change the XTEA test vectors
  [CRYPTO] tcrypt: Shrink the tcrypt module
  [CRYPTO] tcrypt: Change the usage of the test vectors
  [CRYPTO] api: Constify function pointer tables
  [CRYPTO] aes-x86-32: Remove unused return code
  [CRYPTO] tcrypt: Shrink speed templates
  [CRYPTO] tcrypt: Group common speed templates
  [CRYPTO] sha512: Rename sha512 to sha512_generic
  [CRYPTO] sha384: Hardware acceleration for s390
  [CRYPTO] sha512: Hardware acceleration for s390
  [CRYPTO] s390: Generic sha_update and sha_final
  [CRYPTO] api: Switch to proc_create()
This commit is contained in:
Linus Torvalds 2008-04-21 15:57:09 -07:00
parent 98a1e95f9b c49a7f182c
commit 904e0ab54b
44 changed files with 7434 additions and 7120 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/s390/crypto/Makefile
View File

@ -2,8 +2,9 @@
# Cryptographic API
#
obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o
obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o
obj-$(CONFIG_CRYPTO_SHA1_S390) += sha1_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_SHA256_S390) += sha256_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_SHA512_S390) += sha512_s390.o sha_common.o
obj-$(CONFIG_CRYPTO_DES_S390) += des_s390.o des_check_key.o
obj-$(CONFIG_CRYPTO_AES_S390) += aes_s390.o
obj-$(CONFIG_S390_PRNG) += prng.o

2
arch/s390/crypto/crypt_s390.h
View File

@ -82,6 +82,7 @@ enum crypt_s390_kimd_func {
KIMD_QUERY = CRYPT_S390_KIMD | 0,
KIMD_SHA_1 = CRYPT_S390_KIMD | 1,
KIMD_SHA_256 = CRYPT_S390_KIMD | 2,
KIMD_SHA_512 = CRYPT_S390_KIMD | 3,
};
/*
@ -92,6 +93,7 @@ enum crypt_s390_klmd_func {
KLMD_QUERY = CRYPT_S390_KLMD | 0,
KLMD_SHA_1 = CRYPT_S390_KLMD | 1,
KLMD_SHA_256 = CRYPT_S390_KLMD | 2,
KLMD_SHA_512 = CRYPT_S390_KLMD | 3,
};
/*

35
arch/s390/crypto/sha.h Normal file
View File

@ -0,0 +1,35 @@
/*
* Cryptographic API.
*
* s390 generic implementation of the SHA Secure Hash Algorithms.
*
* Copyright IBM Corp. 2007
* Author(s): Jan Glauber (jang@de.ibm.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#ifndef _CRYPTO_ARCH_S390_SHA_H
#define _CRYPTO_ARCH_S390_SHA_H
#include <linux/crypto.h>
#include <crypto/sha.h>
/* must be big enough for the largest SHA variant */
#define SHA_MAX_STATE_SIZE 16
#define SHA_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE
struct s390_sha_ctx {
u64 count; /* message length in bytes */
u32 state[SHA_MAX_STATE_SIZE];
u8 buf[2 * SHA_MAX_BLOCK_SIZE];
int func; /* KIMD function to use */
};
void s390_sha_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len);
void s390_sha_final(struct crypto_tfm *tfm, u8 *out);
#endif

91
arch/s390/crypto/sha1_s390.c
View File

@ -29,16 +29,11 @@
#include <crypto/sha.h>
#include "crypt_s390.h"
struct s390_sha1_ctx {
u64 count; /* message length */
u32 state[5];
u8 buf[2 * SHA1_BLOCK_SIZE];
};
#include "sha.h"
static void sha1_init(struct crypto_tfm *tfm)
{
struct s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
struct s390_sha_ctx *sctx = crypto_tfm_ctx(tfm);
sctx->state[0] = SHA1_H0;
sctx->state[1] = SHA1_H1;
@ -46,79 +41,7 @@ static void sha1_init(struct crypto_tfm *tfm)
sctx->state[3] = SHA1_H3;
sctx->state[4] = SHA1_H4;
sctx->count = 0;
}
static void sha1_update(struct crypto_tfm *tfm, const u8 *data,
unsigned int len)
{
struct s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
unsigned int index;
int ret;
/* how much is already in the buffer? */
index = sctx->count & 0x3f;
sctx->count += len;
if (index + len < SHA1_BLOCK_SIZE)
goto store;
/* process one stored block */
if (index) {
memcpy(sctx->buf + index, data, SHA1_BLOCK_SIZE - index);
ret = crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buf,
SHA1_BLOCK_SIZE);
BUG_ON(ret != SHA1_BLOCK_SIZE);
data += SHA1_BLOCK_SIZE - index;
len -= SHA1_BLOCK_SIZE - index;
}
/* process as many blocks as possible */
if (len >= SHA1_BLOCK_SIZE) {
ret = crypt_s390_kimd(KIMD_SHA_1, sctx->state, data,
len & ~(SHA1_BLOCK_SIZE - 1));
BUG_ON(ret != (len & ~(SHA1_BLOCK_SIZE - 1)));
data += ret;
len -= ret;
}
store:
/* anything left? */
if (len)
memcpy(sctx->buf + index , data, len);
}
/* Add padding and return the message digest. */
static void sha1_final(struct crypto_tfm *tfm, u8 *out)
{
struct s390_sha1_ctx *sctx = crypto_tfm_ctx(tfm);
u64 bits;
unsigned int index, end;
int ret;
/* must perform manual padding */
index = sctx->count & 0x3f;
end = (index < 56) ? SHA1_BLOCK_SIZE : (2 * SHA1_BLOCK_SIZE);
/* start pad with 1 */
sctx->buf[index] = 0x80;
/* pad with zeros */
index++;
memset(sctx->buf + index, 0x00, end - index - 8);
/* append message length */
bits = sctx->count * 8;
memcpy(sctx->buf + end - 8, &bits, sizeof(bits));
ret = crypt_s390_kimd(KIMD_SHA_1, sctx->state, sctx->buf, end);
BUG_ON(ret != end);
/* copy digest to out */
memcpy(out, sctx->state, SHA1_DIGEST_SIZE);
/* wipe context */
memset(sctx, 0, sizeof *sctx);
sctx->func = KIMD_SHA_1;
}
static struct crypto_alg alg = {
@ -127,21 +50,20 @@ static struct crypto_alg alg = {
.cra_priority = CRYPT_S390_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA1_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_sha1_ctx),
.cra_ctxsize = sizeof(struct s390_sha_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(alg.cra_list),
.cra_u = { .digest = {
.dia_digestsize = SHA1_DIGEST_SIZE,
.dia_init = sha1_init,
.dia_update = sha1_update,
.dia_final = sha1_final } }
.dia_update = s390_sha_update,
.dia_final = s390_sha_final } }
};
static int __init sha1_s390_init(void)
{
if (!crypt_s390_func_available(KIMD_SHA_1))
return -EOPNOTSUPP;
return crypto_register_alg(&alg);
}
@ -154,6 +76,5 @@ module_init(sha1_s390_init);
module_exit(sha1_s390_fini);
MODULE_ALIAS("sha1");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");

90
arch/s390/crypto/sha256_s390.c
View File

@ -22,16 +22,11 @@
#include <crypto/sha.h>
#include "crypt_s390.h"
struct s390_sha256_ctx {
u64 count; /* message length */
u32 state[8];
u8 buf[2 * SHA256_BLOCK_SIZE];
};
#include "sha.h"
static void sha256_init(struct crypto_tfm *tfm)
{
struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm);
struct s390_sha_ctx *sctx = crypto_tfm_ctx(tfm);
sctx->state[0] = SHA256_H0;
sctx->state[1] = SHA256_H1;
@ -42,79 +37,7 @@ static void sha256_init(struct crypto_tfm *tfm)
sctx->state[6] = SHA256_H6;
sctx->state[7] = SHA256_H7;
sctx->count = 0;
}
static void sha256_update(struct crypto_tfm *tfm, const u8 *data,
unsigned int len)
{
struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm);
unsigned int index;
int ret;
/* how much is already in the buffer? */
index = sctx->count & 0x3f;
sctx->count += len;
if ((index + len) < SHA256_BLOCK_SIZE)
goto store;
/* process one stored block */
if (index) {
memcpy(sctx->buf + index, data, SHA256_BLOCK_SIZE - index);
ret = crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf,
SHA256_BLOCK_SIZE);
BUG_ON(ret != SHA256_BLOCK_SIZE);
data += SHA256_BLOCK_SIZE - index;
len -= SHA256_BLOCK_SIZE - index;
}
/* process as many blocks as possible */
if (len >= SHA256_BLOCK_SIZE) {
ret = crypt_s390_kimd(KIMD_SHA_256, sctx->state, data,
len & ~(SHA256_BLOCK_SIZE - 1));
BUG_ON(ret != (len & ~(SHA256_BLOCK_SIZE - 1)));
data += ret;
len -= ret;
}
store:
/* anything left? */
if (len)
memcpy(sctx->buf + index , data, len);
}
/* Add padding and return the message digest */
static void sha256_final(struct crypto_tfm *tfm, u8 *out)
{
struct s390_sha256_ctx *sctx = crypto_tfm_ctx(tfm);
u64 bits;
unsigned int index, end;
int ret;
/* must perform manual padding */
index = sctx->count & 0x3f;
end = (index < 56) ? SHA256_BLOCK_SIZE : (2 * SHA256_BLOCK_SIZE);
/* start pad with 1 */
sctx->buf[index] = 0x80;
/* pad with zeros */
index++;
memset(sctx->buf + index, 0x00, end - index - 8);
/* append message length */
bits = sctx->count * 8;
memcpy(sctx->buf + end - 8, &bits, sizeof(bits));
ret = crypt_s390_kimd(KIMD_SHA_256, sctx->state, sctx->buf, end);
BUG_ON(ret != end);
/* copy digest to out */
memcpy(out, sctx->state, SHA256_DIGEST_SIZE);
/* wipe context */
memset(sctx, 0, sizeof *sctx);
sctx->func = KIMD_SHA_256;
}
static struct crypto_alg alg = {
@ -123,14 +46,14 @@ static struct crypto_alg alg = {
.cra_priority = CRYPT_S390_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA256_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_sha256_ctx),
.cra_ctxsize = sizeof(struct s390_sha_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(alg.cra_list),
.cra_u = { .digest = {
.dia_digestsize = SHA256_DIGEST_SIZE,
.dia_init = sha256_init,
.dia_update = sha256_update,
.dia_final = sha256_final } }
.dia_update = s390_sha_update,
.dia_final = s390_sha_final } }
};
static int sha256_s390_init(void)
@ -150,6 +73,5 @@ module_init(sha256_s390_init);
module_exit(sha256_s390_fini);
MODULE_ALIAS("sha256");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA256 Secure Hash Algorithm");

114
arch/s390/crypto/sha512_s390.c Normal file
View File

@ -0,0 +1,114 @@
/*
* Cryptographic API.
*
* s390 implementation of the SHA512 and SHA38 Secure Hash Algorithm.
*
* Copyright IBM Corp. 2007
* Author(s): Jan Glauber (jang@de.ibm.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/crypto.h>
#include "sha.h"
#include "crypt_s390.h"
static void sha512_init(struct crypto_tfm *tfm)
{
struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
*(__u64 *)&ctx->state[0] = 0x6a09e667f3bcc908ULL;
*(__u64 *)&ctx->state[2] = 0xbb67ae8584caa73bULL;
*(__u64 *)&ctx->state[4] = 0x3c6ef372fe94f82bULL;
*(__u64 *)&ctx->state[6] = 0xa54ff53a5f1d36f1ULL;
*(__u64 *)&ctx->state[8] = 0x510e527fade682d1ULL;
*(__u64 *)&ctx->state[10] = 0x9b05688c2b3e6c1fULL;
*(__u64 *)&ctx->state[12] = 0x1f83d9abfb41bd6bULL;
*(__u64 *)&ctx->state[14] = 0x5be0cd19137e2179ULL;
ctx->count = 0;
ctx->func = KIMD_SHA_512;
}
static struct crypto_alg sha512_alg = {
.cra_name = "sha512",
.cra_driver_name = "sha512-s390",
.cra_priority = CRYPT_S390_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA512_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_sha_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(sha512_alg.cra_list),
.cra_u = { .digest = {
.dia_digestsize = SHA512_DIGEST_SIZE,
.dia_init = sha512_init,
.dia_update = s390_sha_update,
.dia_final = s390_sha_final } }
};
MODULE_ALIAS("sha512");
static void sha384_init(struct crypto_tfm *tfm)
{
struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
*(__u64 *)&ctx->state[0] = 0xcbbb9d5dc1059ed8ULL;
*(__u64 *)&ctx->state[2] = 0x629a292a367cd507ULL;
*(__u64 *)&ctx->state[4] = 0x9159015a3070dd17ULL;
*(__u64 *)&ctx->state[6] = 0x152fecd8f70e5939ULL;
*(__u64 *)&ctx->state[8] = 0x67332667ffc00b31ULL;
*(__u64 *)&ctx->state[10] = 0x8eb44a8768581511ULL;
*(__u64 *)&ctx->state[12] = 0xdb0c2e0d64f98fa7ULL;
*(__u64 *)&ctx->state[14] = 0x47b5481dbefa4fa4ULL;
ctx->count = 0;
ctx->func = KIMD_SHA_512;
}
static struct crypto_alg sha384_alg = {
.cra_name = "sha384",
.cra_driver_name = "sha384-s390",
.cra_priority = CRYPT_S390_PRIORITY,
.cra_flags = CRYPTO_ALG_TYPE_DIGEST,
.cra_blocksize = SHA384_BLOCK_SIZE,
.cra_ctxsize = sizeof(struct s390_sha_ctx),
.cra_module = THIS_MODULE,
.cra_list = LIST_HEAD_INIT(sha384_alg.cra_list),
.cra_u = { .digest = {
.dia_digestsize = SHA384_DIGEST_SIZE,
.dia_init = sha384_init,
.dia_update = s390_sha_update,
.dia_final = s390_sha_final } }
};
MODULE_ALIAS("sha384");
static int __init init(void)
{
int ret;
if (!crypt_s390_func_available(KIMD_SHA_512))
return -EOPNOTSUPP;
if ((ret = crypto_register_alg(&sha512_alg)) < 0)
goto out;
if ((ret = crypto_register_alg(&sha384_alg)) < 0)
crypto_unregister_alg(&sha512_alg);
out:
return ret;
}
static void __exit fini(void)
{
crypto_unregister_alg(&sha512_alg);
crypto_unregister_alg(&sha384_alg);
}
module_init(init);
module_exit(fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA512 and SHA-384 Secure Hash Algorithm");

97
arch/s390/crypto/sha_common.c Normal file
View File

@ -0,0 +1,97 @@
/*
* Cryptographic API.
*
* s390 generic implementation of the SHA Secure Hash Algorithms.
*
* Copyright IBM Corp. 2007
* Author(s): Jan Glauber (jang@de.ibm.com)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
*/
#include <linux/crypto.h>
#include "sha.h"
#include "crypt_s390.h"
void s390_sha_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
{
struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
unsigned int bsize = crypto_tfm_alg_blocksize(tfm);
unsigned int index;
int ret;
/* how much is already in the buffer? */
index = ctx->count & (bsize - 1);
ctx->count += len;
if ((index + len) < bsize)
goto store;
/* process one stored block */
if (index) {
memcpy(ctx->buf + index, data, bsize - index);
ret = crypt_s390_kimd(ctx->func, ctx->state, ctx->buf, bsize);
BUG_ON(ret != bsize);
data += bsize - index;
len -= bsize - index;
}
/* process as many blocks as possible */
if (len >= bsize) {
ret = crypt_s390_kimd(ctx->func, ctx->state, data,
len & ~(bsize - 1));
BUG_ON(ret != (len & ~(bsize - 1)));
data += ret;
len -= ret;
}
store:
if (len)
memcpy(ctx->buf + index , data, len);
}
EXPORT_SYMBOL_GPL(s390_sha_update);
void s390_sha_final(struct crypto_tfm *tfm, u8 *out)
{
struct s390_sha_ctx *ctx = crypto_tfm_ctx(tfm);
unsigned int bsize = crypto_tfm_alg_blocksize(tfm);
u64 bits;
unsigned int index, end, plen;
int ret;
/* SHA-512 uses 128 bit padding length */
plen = (bsize > SHA256_BLOCK_SIZE) ? 16 : 8;
/* must perform manual padding */
index = ctx->count & (bsize - 1);
end = (index < bsize - plen) ? bsize : (2 * bsize);
/* start pad with 1 */
ctx->buf[index] = 0x80;
index++;
/* pad with zeros */
memset(ctx->buf + index, 0x00, end - index - 8);
/*
* Append message length. Well, SHA-512 wants a 128 bit lenght value,
* nevertheless we use u64, should be enough for now...
*/
bits = ctx->count * 8;
memcpy(ctx->buf + end - 8, &bits, sizeof(bits));
ret = crypt_s390_kimd(ctx->func, ctx->state, ctx->buf, end);
BUG_ON(ret != end);
/* copy digest to out */
memcpy(out, ctx->state, crypto_hash_digestsize(crypto_hash_cast(tfm)));
/* wipe context */
memset(ctx, 0, sizeof *ctx);
}
EXPORT_SYMBOL_GPL(s390_sha_final);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("s390 SHA cipher common functions");

3
arch/x86/crypto/aes-i586-asm_32.S
View File

@ -289,7 +289,6 @@ aes_enc_blk:
pop %ebx
mov %r0,(%ebp)
pop %ebp
mov $1,%eax
ret
// AES (Rijndael) Decryption Subroutine
@ -365,6 +364,4 @@ aes_dec_blk:
pop %ebx
mov %r0,(%ebp)
pop %ebp
mov $1,%eax
ret

698
crypto/Kconfig
View File

@ -13,12 +13,14 @@ source "crypto/async_tx/Kconfig"
# Cryptographic API Configuration
#
menuconfig CRYPTO
bool "Cryptographic API"
tristate "Cryptographic API"
help
This option provides the core Cryptographic API.
if CRYPTO
comment "Crypto core or helper"
config CRYPTO_ALGAPI
tristate
help
@ -32,15 +34,6 @@ config CRYPTO_BLKCIPHER
tristate
select CRYPTO_ALGAPI
config CRYPTO_SEQIV
tristate "Sequence Number IV Generator"
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
help
This IV generator generates an IV based on a sequence number by
xoring it with a salt. This algorithm is mainly useful for CTR
and similar modes.
config CRYPTO_HASH
tristate
select CRYPTO_ALGAPI
@ -52,6 +45,150 @@ config CRYPTO_MANAGER
Create default cryptographic template instantiations such as
cbc(aes).
config CRYPTO_GF128MUL
tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
depends on EXPERIMENTAL
help
Efficient table driven implementation of multiplications in the
field GF(2^128). This is needed by some cypher modes. This
option will be selected automatically if you select such a
cipher mode. Only select this option by hand if you expect to load
an external module that requires these functions.
config CRYPTO_NULL
tristate "Null algorithms"
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
help
These are 'Null' algorithms, used by IPsec, which do nothing.
config CRYPTO_CRYPTD
tristate "Software async crypto daemon"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
This is a generic software asynchronous crypto daemon that
converts an arbitrary synchronous software crypto algorithm
into an asynchronous algorithm that executes in a kernel thread.
config CRYPTO_AUTHENC
tristate "Authenc support"
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_HASH
help
Authenc: Combined mode wrapper for IPsec.
This is required for IPSec.
config CRYPTO_TEST
tristate "Testing module"
depends on m
select CRYPTO_ALGAPI
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
help
Quick & dirty crypto test module.
comment "Authenticated Encryption with Associated Data"
config CRYPTO_CCM
tristate "CCM support"
select CRYPTO_CTR
select CRYPTO_AEAD
help
Support for Counter with CBC MAC. Required for IPsec.
config CRYPTO_GCM
tristate "GCM/GMAC support"
select CRYPTO_CTR
select CRYPTO_AEAD
select CRYPTO_GF128MUL
help
Support for Galois/Counter Mode (GCM) and Galois Message
Authentication Code (GMAC). Required for IPSec.
config CRYPTO_SEQIV
tristate "Sequence Number IV Generator"
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
help
This IV generator generates an IV based on a sequence number by
xoring it with a salt. This algorithm is mainly useful for CTR
comment "Block modes"
config CRYPTO_CBC
tristate "CBC support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
CBC: Cipher Block Chaining mode
This block cipher algorithm is required for IPSec.
config CRYPTO_CTR
tristate "CTR support"
select CRYPTO_BLKCIPHER
select CRYPTO_SEQIV
select CRYPTO_MANAGER
help
CTR: Counter mode
This block cipher algorithm is required for IPSec.
config CRYPTO_CTS
tristate "CTS support"
select CRYPTO_BLKCIPHER
help
CTS: Cipher Text Stealing
This is the Cipher Text Stealing mode as described by
Section 8 of rfc2040 and referenced by rfc3962.
(rfc3962 includes errata information in its Appendix A)
This mode is required for Kerberos gss mechanism support
for AES encryption.
config CRYPTO_ECB
tristate "ECB support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
ECB: Electronic CodeBook mode
This is the simplest block cipher algorithm. It simply encrypts
the input block by block.
config CRYPTO_LRW
tristate "LRW support (EXPERIMENTAL)"
depends on EXPERIMENTAL
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_GF128MUL
help
LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
narrow block cipher mode for dm-crypt. Use it with cipher
specification string aes-lrw-benbi, the key must be 256, 320 or 384.
The first 128, 192 or 256 bits in the key are used for AES and the
rest is used to tie each cipher block to its logical position.
config CRYPTO_PCBC
tristate "PCBC support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
PCBC: Propagating Cipher Block Chaining mode
This block cipher algorithm is required for RxRPC.
config CRYPTO_XTS
tristate "XTS support (EXPERIMENTAL)"
depends on EXPERIMENTAL
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_GF128MUL
help
XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
key size 256, 384 or 512 bits. This implementation currently
can't handle a sectorsize which is not a multiple of 16 bytes.
comment "Hash modes"
config CRYPTO_HMAC
tristate "HMAC support"
select CRYPTO_HASH
@ -71,12 +208,17 @@ config CRYPTO_XCBC
http://csrc.nist.gov/encryption/modes/proposedmodes/
xcbc-mac/xcbc-mac-spec.pdf
config CRYPTO_NULL
tristate "Null algorithms"
comment "Digest"
config CRYPTO_CRC32C
tristate "CRC32c CRC algorithm"
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
select LIBCRC32C
help
These are 'Null' algorithms, used by IPsec, which do nothing.
Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
by iSCSI for header and data digests and by others.
See Castagnoli93. This implementation uses lib/libcrc32c.
Module will be crc32c.
config CRYPTO_MD4
tristate "MD4 digest algorithm"
@ -90,6 +232,15 @@ config CRYPTO_MD5
help
MD5 message digest algorithm (RFC1321).
config CRYPTO_MICHAEL_MIC
tristate "Michael MIC keyed digest algorithm"
select CRYPTO_ALGAPI
help
Michael MIC is used for message integrity protection in TKIP
(IEEE 802.11i). This algorithm is required for TKIP, but it
should not be used for other purposes because of the weakness
of the algorithm.
config CRYPTO_SHA1
tristate "SHA1 digest algorithm"
select CRYPTO_ALGAPI
@ -101,7 +252,7 @@ config CRYPTO_SHA256
select CRYPTO_ALGAPI
help
SHA256 secure hash standard (DFIPS 180-2).
This version of SHA implements a 256 bit hash with 128 bits of
security against collision attacks.
@ -113,25 +264,13 @@ config CRYPTO_SHA512
select CRYPTO_ALGAPI
help
SHA512 secure hash standard (DFIPS 180-2).
This version of SHA implements a 512 bit hash with 256 bits of
security against collision attacks.
This code also includes SHA-384, a 384 bit hash with 192 bits
of security against collision attacks.
config CRYPTO_WP512
tristate "Whirlpool digest algorithms"
select CRYPTO_ALGAPI
help
Whirlpool hash algorithm 512, 384 and 256-bit hashes
Whirlpool-512 is part of the NESSIE cryptographic primitives.
Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
See also:
<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
config CRYPTO_TGR192
tristate "Tiger digest algorithms"
select CRYPTO_ALGAPI
@ -145,208 +284,37 @@ config CRYPTO_TGR192
See also:
<http://www.cs.technion.ac.il/~biham/Reports/Tiger/>.
config CRYPTO_GF128MUL
tristate "GF(2^128) multiplication functions (EXPERIMENTAL)"
depends on EXPERIMENTAL
help
Efficient table driven implementation of multiplications in the
field GF(2^128). This is needed by some cypher modes. This
option will be selected automatically if you select such a
cipher mode. Only select this option by hand if you expect to load
an external module that requires these functions.
config CRYPTO_ECB
tristate "ECB support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
ECB: Electronic CodeBook mode
This is the simplest block cipher algorithm. It simply encrypts
the input block by block.
config CRYPTO_CBC
tristate "CBC support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
CBC: Cipher Block Chaining mode
This block cipher algorithm is required for IPSec.
config CRYPTO_PCBC
tristate "PCBC support"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
PCBC: Propagating Cipher Block Chaining mode
This block cipher algorithm is required for RxRPC.
config CRYPTO_LRW
tristate "LRW support (EXPERIMENTAL)"
depends on EXPERIMENTAL
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_GF128MUL
help
LRW: Liskov Rivest Wagner, a tweakable, non malleable, non movable
narrow block cipher mode for dm-crypt. Use it with cipher
specification string aes-lrw-benbi, the key must be 256, 320 or 384.
The first 128, 192 or 256 bits in the key are used for AES and the
rest is used to tie each cipher block to its logical position.
config CRYPTO_XTS
tristate "XTS support (EXPERIMENTAL)"
depends on EXPERIMENTAL
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_GF128MUL
help
XTS: IEEE1619/D16 narrow block cipher use with aes-xts-plain,
key size 256, 384 or 512 bits. This implementation currently
can't handle a sectorsize which is not a multiple of 16 bytes.
config CRYPTO_CTR
tristate "CTR support"
select CRYPTO_BLKCIPHER
select CRYPTO_SEQIV
select CRYPTO_MANAGER
help
CTR: Counter mode
This block cipher algorithm is required for IPSec.
config CRYPTO_GCM
tristate "GCM/GMAC support"
select CRYPTO_CTR
select CRYPTO_AEAD
select CRYPTO_GF128MUL
help
Support for Galois/Counter Mode (GCM) and Galois Message
Authentication Code (GMAC). Required for IPSec.
config CRYPTO_CCM
tristate "CCM support"
select CRYPTO_CTR
select CRYPTO_AEAD
help
Support for Counter with CBC MAC. Required for IPsec.
config CRYPTO_CRYPTD
tristate "Software async crypto daemon"
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
help
This is a generic software asynchronous crypto daemon that
converts an arbitrary synchronous software crypto algorithm
into an asynchronous algorithm that executes in a kernel thread.
config CRYPTO_DES
tristate "DES and Triple DES EDE cipher algorithms"
config CRYPTO_WP512
tristate "Whirlpool digest algorithms"
select CRYPTO_ALGAPI
help
DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
Whirlpool hash algorithm 512, 384 and 256-bit hashes
config CRYPTO_FCRYPT
tristate "FCrypt cipher algorithm"
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
help
FCrypt algorithm used by RxRPC.
config CRYPTO_BLOWFISH
tristate "Blowfish cipher algorithm"
select CRYPTO_ALGAPI
help
Blowfish cipher algorithm, by Bruce Schneier.
This is a variable key length cipher which can use keys from 32
bits to 448 bits in length. It's fast, simple and specifically
designed for use on "large microprocessors".
See also:
<http://www.schneier.com/blowfish.html>
config CRYPTO_TWOFISH
tristate "Twofish cipher algorithm"
select CRYPTO_ALGAPI
select CRYPTO_TWOFISH_COMMON
help
Twofish cipher algorithm.
Twofish was submitted as an AES (Advanced Encryption Standard)
candidate cipher by researchers at CounterPane Systems. It is a
16 round block cipher supporting key sizes of 128, 192, and 256
bits.
See also:
<http://www.schneier.com/twofish.html>
config CRYPTO_TWOFISH_COMMON
tristate
help
Common parts of the Twofish cipher algorithm shared by the
generic c and the assembler implementations.
config CRYPTO_TWOFISH_586
tristate "Twofish cipher algorithms (i586)"
depends on (X86 || UML_X86) && !64BIT
select CRYPTO_ALGAPI
select CRYPTO_TWOFISH_COMMON
help
Twofish cipher algorithm.
Twofish was submitted as an AES (Advanced Encryption Standard)
candidate cipher by researchers at CounterPane Systems. It is a
16 round block cipher supporting key sizes of 128, 192, and 256
bits.
Whirlpool-512 is part of the NESSIE cryptographic primitives.
Whirlpool will be part of the ISO/IEC 10118-3:2003(E) standard
See also:
<http://www.schneier.com/twofish.html>
<http://planeta.terra.com.br/informatica/paulobarreto/WhirlpoolPage.html>
config CRYPTO_TWOFISH_X86_64
tristate "Twofish cipher algorithm (x86_64)"
depends on (X86 || UML_X86) && 64BIT
select CRYPTO_ALGAPI
select CRYPTO_TWOFISH_COMMON
help
Twofish cipher algorithm (x86_64).
Twofish was submitted as an AES (Advanced Encryption Standard)
candidate cipher by researchers at CounterPane Systems. It is a
16 round block cipher supporting key sizes of 128, 192, and 256
bits.
See also:
<http://www.schneier.com/twofish.html>
config CRYPTO_SERPENT
tristate "Serpent cipher algorithm"
select CRYPTO_ALGAPI
help
Serpent cipher algorithm, by Anderson, Biham & Knudsen.
Keys are allowed to be from 0 to 256 bits in length, in steps
of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
variant of Serpent for compatibility with old kerneli.org code.
See also:
<http://www.cl.cam.ac.uk/~rja14/serpent.html>
comment "Ciphers"
config CRYPTO_AES
tristate "AES cipher algorithms"
select CRYPTO_ALGAPI
help
AES cipher algorithms (FIPS-197). AES uses the Rijndael
AES cipher algorithms (FIPS-197). AES uses the Rijndael
algorithm.
Rijndael appears to be consistently a very good performer in
both hardware and software across a wide range of computing
environments regardless of its use in feedback or non-feedback
modes. Its key setup time is excellent, and its key agility is
good. Rijndael's very low memory requirements make it very well
suited for restricted-space environments, in which it also
demonstrates excellent performance. Rijndael's operations are
among the easiest to defend against power and timing attacks.
both hardware and software across a wide range of computing
environments regardless of its use in feedback or non-feedback
modes. Its key setup time is excellent, and its key agility is
good. Rijndael's very low memory requirements make it very well
suited for restricted-space environments, in which it also
demonstrates excellent performance. Rijndael's operations are
among the easiest to defend against power and timing attacks.
The AES specifies three key sizes: 128, 192 and 256 bits
The AES specifies three key sizes: 128, 192 and 256 bits
See <http://csrc.nist.gov/CryptoToolkit/aes/> for more information.
@ -356,19 +324,19 @@ config CRYPTO_AES_586
select CRYPTO_ALGAPI
select CRYPTO_AES
help
AES cipher algorithms (FIPS-197). AES uses the Rijndael
AES cipher algorithms (FIPS-197). AES uses the Rijndael
algorithm.
Rijndael appears to be consistently a very good performer in
both hardware and software across a wide range of computing
environments regardless of its use in feedback or non-feedback
modes. Its key setup time is excellent, and its key agility is
good. Rijndael's very low memory requirements make it very well
suited for restricted-space environments, in which it also
demonstrates excellent performance. Rijndael's operations are
among the easiest to defend against power and timing attacks.
both hardware and software across a wide range of computing
environments regardless of its use in feedback or non-feedback
modes. Its key setup time is excellent, and its key agility is
good. Rijndael's very low memory requirements make it very well
suited for restricted-space environments, in which it also
demonstrates excellent performance. Rijndael's operations are
among the easiest to defend against power and timing attacks.
The AES specifies three key sizes: 128, 192 and 256 bits
The AES specifies three key sizes: 128, 192 and 256 bits
See <http://csrc.nist.gov/encryption/aes/> for more information.
@ -378,22 +346,75 @@ config CRYPTO_AES_X86_64
select CRYPTO_ALGAPI
select CRYPTO_AES
help
AES cipher algorithms (FIPS-197). AES uses the Rijndael
AES cipher algorithms (FIPS-197). AES uses the Rijndael
algorithm.
Rijndael appears to be consistently a very good performer in
both hardware and software across a wide range of computing
environments regardless of its use in feedback or non-feedback
modes. Its key setup time is excellent, and its key agility is
good. Rijndael's very low memory requirements make it very well
suited for restricted-space environments, in which it also
demonstrates excellent performance. Rijndael's operations are
among the easiest to defend against power and timing attacks.
both hardware and software across a wide range of computing
environments regardless of its use in feedback or non-feedback
modes. Its key setup time is excellent, and its key agility is
good. Rijndael's very low memory requirements make it very well
suited for restricted-space environments, in which it also
demonstrates excellent performance. Rijndael's operations are
among the easiest to defend against power and timing attacks.
The AES specifies three key sizes: 128, 192 and 256 bits
The AES specifies three key sizes: 128, 192 and 256 bits
See <http://csrc.nist.gov/encryption/aes/> for more information.
config CRYPTO_ANUBIS
tristate "Anubis cipher algorithm"
select CRYPTO_ALGAPI
help
Anubis cipher algorithm.
Anubis is a variable key length cipher which can use keys from
128 bits to 320 bits in length. It was evaluated as a entrant
in the NESSIE competition.
See also:
<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
config CRYPTO_ARC4
tristate "ARC4 cipher algorithm"
select CRYPTO_ALGAPI
help
ARC4 cipher algorithm.
ARC4 is a stream cipher using keys ranging from 8 bits to 2048
bits in length. This algorithm is required for driver-based
WEP, but it should not be for other purposes because of the
weakness of the algorithm.
config CRYPTO_BLOWFISH
tristate "Blowfish cipher algorithm"
select CRYPTO_ALGAPI
help
Blowfish cipher algorithm, by Bruce Schneier.
This is a variable key length cipher which can use keys from 32
bits to 448 bits in length. It's fast, simple and specifically
designed for use on "large microprocessors".
See also:
<http://www.schneier.com/blowfish.html>
config CRYPTO_CAMELLIA
tristate "Camellia cipher algorithms"
depends on CRYPTO
select CRYPTO_ALGAPI
help
Camellia cipher algorithms module.
Camellia is a symmetric key block cipher developed jointly
at NTT and Mitsubishi Electric Corporation.
The Camellia specifies three key sizes: 128, 192 and 256 bits.
See also:
<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
config CRYPTO_CAST5
tristate "CAST5 (CAST-128) cipher algorithm"
select CRYPTO_ALGAPI
@ -408,33 +429,18 @@ config CRYPTO_CAST6
The CAST6 encryption algorithm (synonymous with CAST-256) is
described in RFC2612.
config CRYPTO_TEA
tristate "TEA, XTEA and XETA cipher algorithms"
config CRYPTO_DES
tristate "DES and Triple DES EDE cipher algorithms"
select CRYPTO_ALGAPI
help
TEA cipher algorithm.
DES cipher algorithm (FIPS 46-2), and Triple DES EDE (FIPS 46-3).
Tiny Encryption Algorithm is a simple cipher that uses
many rounds for security. It is very fast and uses
little memory.
Xtendend Tiny Encryption Algorithm is a modification to
the TEA algorithm to address a potential key weakness
in the TEA algorithm.
Xtendend Encryption Tiny Algorithm is a mis-implementation
of the XTEA algorithm for compatibility purposes.
config CRYPTO_ARC4
tristate "ARC4 cipher algorithm"
config CRYPTO_FCRYPT
tristate "FCrypt cipher algorithm"
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
help
ARC4 cipher algorithm.
ARC4 is a stream cipher using keys ranging from 8 bits to 2048
bits in length. This algorithm is required for driver-based
WEP, but it should not be for other purposes because of the
weakness of the algorithm.
FCrypt algorithm used by RxRPC.
config CRYPTO_KHAZAD
tristate "Khazad cipher algorithm"
@ -449,34 +455,6 @@ config CRYPTO_KHAZAD
See also:
<http://planeta.terra.com.br/informatica/paulobarreto/KhazadPage.html>
config CRYPTO_ANUBIS
tristate "Anubis cipher algorithm"
select CRYPTO_ALGAPI
help
Anubis cipher algorithm.
Anubis is a variable key length cipher which can use keys from
128 bits to 320 bits in length. It was evaluated as a entrant
in the NESSIE competition.
See also:
<https://www.cosic.esat.kuleuven.ac.be/nessie/reports/>
<http://planeta.terra.com.br/informatica/paulobarreto/AnubisPage.html>
config CRYPTO_SEED
tristate "SEED cipher algorithm"
select CRYPTO_ALGAPI
help
SEED cipher algorithm (RFC4269).
SEED is a 128-bit symmetric key block cipher that has been
developed by KISA (Korea Information Security Agency) as a
national standard encryption algorithm of the Republic of Korea.
It is a 16 round block cipher with the key size of 128 bit.
See also:
<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
config CRYPTO_SALSA20
tristate "Salsa20 stream cipher algorithm (EXPERIMENTAL)"
depends on EXPERIMENTAL
@ -518,6 +496,105 @@ config CRYPTO_SALSA20_X86_64
The Salsa20 stream cipher algorithm is designed by Daniel J.
Bernstein <djb@cr.yp.to>. See <http://cr.yp.to/snuffle.html>
config CRYPTO_SEED
tristate "SEED cipher algorithm"
select CRYPTO_ALGAPI
help
SEED cipher algorithm (RFC4269).
SEED is a 128-bit symmetric key block cipher that has been
developed by KISA (Korea Information Security Agency) as a
national standard encryption algorithm of the Republic of Korea.
It is a 16 round block cipher with the key size of 128 bit.
See also:
<http://www.kisa.or.kr/kisa/seed/jsp/seed_eng.jsp>
config CRYPTO_SERPENT
tristate "Serpent cipher algorithm"
select CRYPTO_ALGAPI
help
Serpent cipher algorithm, by Anderson, Biham & Knudsen.
Keys are allowed to be from 0 to 256 bits in length, in steps
of 8 bits. Also includes the 'Tnepres' algorithm, a reversed
variant of Serpent for compatibility with old kerneli.org code.
See also:
<http://www.cl.cam.ac.uk/~rja14/serpent.html>
config CRYPTO_TEA
tristate "TEA, XTEA and XETA cipher algorithms"
select CRYPTO_ALGAPI
help
TEA cipher algorithm.
Tiny Encryption Algorithm is a simple cipher that uses
many rounds for security. It is very fast and uses
little memory.
Xtendend Tiny Encryption Algorithm is a modification to
the TEA algorithm to address a potential key weakness
in the TEA algorithm.
Xtendend Encryption Tiny Algorithm is a mis-implementation
of the XTEA algorithm for compatibility purposes.
config CRYPTO_TWOFISH
tristate "Twofish cipher algorithm"
select CRYPTO_ALGAPI
select CRYPTO_TWOFISH_COMMON
help
Twofish cipher algorithm.
Twofish was submitted as an AES (Advanced Encryption Standard)
candidate cipher by researchers at CounterPane Systems. It is a
16 round block cipher supporting key sizes of 128, 192, and 256
bits.
See also:
<http://www.schneier.com/twofish.html>
config CRYPTO_TWOFISH_COMMON
tristate
help
Common parts of the Twofish cipher algorithm shared by the
generic c and the assembler implementations.
config CRYPTO_TWOFISH_586
tristate "Twofish cipher algorithms (i586)"
depends on (X86 || UML_X86) && !64BIT
select CRYPTO_ALGAPI
select CRYPTO_TWOFISH_COMMON
help
Twofish cipher algorithm.
Twofish was submitted as an AES (Advanced Encryption Standard)
candidate cipher by researchers at CounterPane Systems. It is a
16 round block cipher supporting key sizes of 128, 192, and 256
bits.
See also:
<http://www.schneier.com/twofish.html>
config CRYPTO_TWOFISH_X86_64
tristate "Twofish cipher algorithm (x86_64)"
depends on (X86 || UML_X86) && 64BIT
select CRYPTO_ALGAPI
select CRYPTO_TWOFISH_COMMON
help
Twofish cipher algorithm (x86_64).
Twofish was submitted as an AES (Advanced Encryption Standard)
candidate cipher by researchers at CounterPane Systems. It is a
16 round block cipher supporting key sizes of 128, 192, and 256
bits.
See also:
<http://www.schneier.com/twofish.html>
comment "Compression"
config CRYPTO_DEFLATE
tristate "Deflate compression algorithm"
select CRYPTO_ALGAPI
@ -526,62 +603,9 @@ config CRYPTO_DEFLATE
help
This is the Deflate algorithm (RFC1951), specified for use in
IPSec with the IPCOMP protocol (RFC3173, RFC2394).
You will most probably want this if using IPSec.
config CRYPTO_MICHAEL_MIC
tristate "Michael MIC keyed digest algorithm"
select CRYPTO_ALGAPI
help
Michael MIC is used for message integrity protection in TKIP
(IEEE 802.11i). This algorithm is required for TKIP, but it
should not be used for other purposes because of the weakness
of the algorithm.
config CRYPTO_CRC32C
tristate "CRC32c CRC algorithm"
select CRYPTO_ALGAPI
select LIBCRC32C
help
Castagnoli, et al Cyclic Redundancy-Check Algorithm. Used
by iSCSI for header and data digests and by others.
See Castagnoli93. This implementation uses lib/libcrc32c.
Module will be crc32c.
config CRYPTO_CAMELLIA
tristate "Camellia cipher algorithms"
depends on CRYPTO
select CRYPTO_ALGAPI
help
Camellia cipher algorithms module.
Camellia is a symmetric key block cipher developed jointly
at NTT and Mitsubishi Electric Corporation.
The Camellia specifies three key sizes: 128, 192 and 256 bits.
See also:
<https://info.isl.ntt.co.jp/crypt/eng/camellia/index_s.html>
config CRYPTO_TEST
tristate "Testing module"
depends on m
select CRYPTO_ALGAPI
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
help
Quick & dirty crypto test module.
config CRYPTO_AUTHENC
tristate "Authenc support"
select CRYPTO_AEAD
select CRYPTO_BLKCIPHER
select CRYPTO_MANAGER
select CRYPTO_HASH
help
Authenc: Combined mode wrapper for IPsec.
This is required for IPSec.
config CRYPTO_LZO
tristate "LZO compression algorithm"
select CRYPTO_ALGAPI

6
crypto/Makefile
View File

@ -2,7 +2,8 @@
# Cryptographic API
#
obj-$(CONFIG_CRYPTO) += api.o cipher.o digest.o compress.o
obj-$(CONFIG_CRYPTO) += crypto.o
crypto-objs := api.o cipher.o digest.o compress.o
crypto_algapi-$(CONFIG_PROC_FS) += proc.o
crypto_algapi-objs := algapi.o scatterwalk.o $(crypto_algapi-y)
@ -28,13 +29,14 @@ obj-$(CONFIG_CRYPTO_MD4) += md4.o
obj-$(CONFIG_CRYPTO_MD5) += md5.o
obj-$(CONFIG_CRYPTO_SHA1) += sha1_generic.o
obj-$(CONFIG_CRYPTO_SHA256) += sha256_generic.o
obj-$(CONFIG_CRYPTO_SHA512) += sha512.o
obj-$(CONFIG_CRYPTO_SHA512) += sha512_generic.o
obj-$(CONFIG_CRYPTO_WP512) += wp512.o
obj-$(CONFIG_CRYPTO_TGR192) += tgr192.o
obj-$(CONFIG_CRYPTO_GF128MUL) += gf128mul.o
obj-$(CONFIG_CRYPTO_ECB) += ecb.o
obj-$(CONFIG_CRYPTO_CBC) += cbc.o
obj-$(CONFIG_CRYPTO_PCBC) += pcbc.o
obj-$(CONFIG_CRYPTO_CTS) += cts.o
obj-$(CONFIG_CRYPTO_LRW) += lrw.o
obj-$(CONFIG_CRYPTO_XTS) += xts.o
obj-$(CONFIG_CRYPTO_CTR) += ctr.o

56
crypto/aes_generic.c
View File

@ -229,18 +229,29 @@ static void __init gen_tabs(void)
ctx->key_enc[8 * i + 15] = t; \
} while (0)
int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
/**
* crypto_aes_expand_key - Expands the AES key as described in FIPS-197
* @ctx: The location where the computed key will be stored.
* @in_key: The supplied key.
* @key_len: The length of the supplied key.
*
* Returns 0 on success. The function fails only if an invalid key size (or
* pointer) is supplied.
* The expanded key size is 240 bytes (max of 14 rounds with a unique 16 bytes
* key schedule plus a 16 bytes key which is used before the first round).
* The decryption key is prepared for the "Equivalent Inverse Cipher" as
* described in FIPS-197. The first slot (16 bytes) of each key (enc or dec) is
* for the initial combination, the second slot for the first round and so on.
*/
int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
unsigned int key_len)
{
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
const __le32 *key = (const __le32 *)in_key;
u32 *flags = &tfm->crt_flags;
u32 i, t, u, v, w, j;
if (key_len % 8) {
*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
if (key_len != AES_KEYSIZE_128 && key_len != AES_KEYSIZE_192 &&
key_len != AES_KEYSIZE_256)
return -EINVAL;
}
ctx->key_length = key_len;
@ -250,20 +261,20 @@ int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
ctx->key_dec[key_len + 27] = ctx->key_enc[3] = le32_to_cpu(key[3]);
switch (key_len) {
case 16:
case AES_KEYSIZE_128:
t = ctx->key_enc[3];
for (i = 0; i < 10; ++i)
loop4(i);
break;
case 24:
case AES_KEYSIZE_192:
ctx->key_enc[4] = le32_to_cpu(key[4]);
t = ctx->key_enc[5] = le32_to_cpu(key[5]);
for (i = 0; i < 8; ++i)
loop6(i);
break;
case 32:
case AES_KEYSIZE_256:
ctx->key_enc[4] = le32_to_cpu(key[4]);
ctx->key_enc[5] = le32_to_cpu(key[5]);
ctx->key_enc[6] = le32_to_cpu(key[6]);
@ -284,6 +295,33 @@ int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
}
return 0;
}
EXPORT_SYMBOL_GPL(crypto_aes_expand_key);
/**
* crypto_aes_set_key - Set the AES key.
* @tfm: The %crypto_tfm that is used in the context.
* @in_key: The input key.
* @key_len: The size of the key.
*
* Returns 0 on success, on failure the %CRYPTO_TFM_RES_BAD_KEY_LEN flag in tfm
* is set. The function uses crypto_aes_expand_key() to expand the key.
* &crypto_aes_ctx _must_ be the private data embedded in @tfm which is
* retrieved with crypto_tfm_ctx().
*/
int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len)
{
struct crypto_aes_ctx *ctx = crypto_tfm_ctx(tfm);
u32 *flags = &tfm->crt_flags;
int ret;
ret = crypto_aes_expand_key(ctx, in_key, key_len);
if (!ret)
return 0;
*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
EXPORT_SYMBOL_GPL(crypto_aes_set_key);
/* encrypt a block of text */

8
crypto/anubis.c
View File

@ -687,7 +687,7 @@ static struct crypto_alg anubis_alg = {
.cia_decrypt = anubis_decrypt } }
};
static int __init init(void)
static int __init anubis_mod_init(void)
{
int ret = 0;
@ -695,13 +695,13 @@ static int __init init(void)
return ret;
}
static void __exit fini(void)
static void __exit anubis_mod_fini(void)
{
crypto_unregister_alg(&anubis_alg);
}
module_init(init);
module_exit(fini);
module_init(anubis_mod_init);
module_exit(anubis_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Anubis Cryptographic Algorithm");

3
crypto/api.c
View File

@ -445,3 +445,6 @@ int crypto_has_alg(const char *name, u32 type, u32 mask)
return ret;
}
EXPORT_SYMBOL_GPL(crypto_has_alg);
MODULE_DESCRIPTION("Cryptographic core API");
MODULE_LICENSE("GPL");

8
crypto/blowfish.c
View File

@ -465,18 +465,18 @@ static struct crypto_alg alg = {
.cia_decrypt = bf_decrypt } }
};
static int __init init(void)
static int __init blowfish_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit blowfish_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(blowfish_mod_init);
module_exit(blowfish_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Blowfish Cipher Algorithm");

8
crypto/cast5.c
View File

@ -817,18 +817,18 @@ static struct crypto_alg alg = {
}
};
static int __init init(void)
static int __init cast5_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit cast5_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(cast5_mod_init);
module_exit(cast5_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cast5 Cipher Algorithm");

8
crypto/cast6.c
View File

@ -528,18 +528,18 @@ static struct crypto_alg alg = {
}
};
static int __init init(void)
static int __init cast6_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit cast6_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(cast6_mod_init);
module_exit(cast6_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cast6 Cipher Algorithm");

8
crypto/crc32c.c
View File

@ -98,18 +98,18 @@ static struct crypto_alg alg = {
}
};
static int __init init(void)
static int __init crc32c_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit crc32c_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(crc32c_mod_init);
module_exit(crc32c_mod_fini);
MODULE_AUTHOR("Clay Haapala <chaapala@cisco.com>");
MODULE_DESCRIPTION("CRC32c (Castagnoli) calculations wrapper for lib/crc32c");

8
crypto/crypto_null.c
View File

@ -142,7 +142,7 @@ MODULE_ALIAS("compress_null");
MODULE_ALIAS("digest_null");
MODULE_ALIAS("cipher_null");
static int __init init(void)
static int __init crypto_null_mod_init(void)
{
int ret = 0;
@ -174,7 +174,7 @@ out_unregister_cipher:
goto out;
}
static void __exit fini(void)
static void __exit crypto_null_mod_fini(void)
{
crypto_unregister_alg(&compress_null);
crypto_unregister_alg(&digest_null);
@ -182,8 +182,8 @@ static void __exit fini(void)
crypto_unregister_alg(&cipher_null);
}
module_init(init);
module_exit(fini);
module_init(crypto_null_mod_init);
module_exit(crypto_null_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Null Cryptographic Algorithms");

347
crypto/cts.c Normal file
View File

@ -0,0 +1,347 @@
/*
* CTS: Cipher Text Stealing mode
*
* COPYRIGHT (c) 2008
* The Regents of the University of Michigan
* ALL RIGHTS RESERVED
*
* Permission is granted to use, copy, create derivative works
* and redistribute this software and such derivative works
* for any purpose, so long as the name of The University of
* Michigan is not used in any advertising or publicity
* pertaining to the use of distribution of this software
* without specific, written prior authorization. If the
* above copyright notice or any other identification of the
* University of Michigan is included in any copy of any
* portion of this software, then the disclaimer below must
* also be included.
*
* THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION
* FROM THE UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY
* PURPOSE, AND WITHOUT WARRANTY BY THE UNIVERSITY OF
* MICHIGAN OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING
* WITHOUT LIMITATION THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
* REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE LIABLE
* FOR ANY DAMAGES, INCLUDING SPECIAL, INDIRECT, INCIDENTAL, OR
* CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM ARISING
* OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN
* IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGES.
*/
/* Derived from various:
* Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
*/
/*
* This is the Cipher Text Stealing mode as described by
* Section 8 of rfc2040 and referenced by rfc3962.
* rfc3962 includes errata information in its Appendix A.
*/
#include <crypto/algapi.h>
#include <linux/err.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/log2.h>
#include <linux/module.h>
#include <linux/scatterlist.h>
#include <crypto/scatterwalk.h>
#include <linux/slab.h>
struct crypto_cts_ctx {
struct crypto_blkcipher *child;
};
static int crypto_cts_setkey(struct crypto_tfm *parent, const u8 *key,
unsigned int keylen)
{
struct crypto_cts_ctx *ctx = crypto_tfm_ctx(parent);
struct crypto_blkcipher *child = ctx->child;
int err;
crypto_blkcipher_clear_flags(child, CRYPTO_TFM_REQ_MASK);
crypto_blkcipher_set_flags(child, crypto_tfm_get_flags(parent) &
CRYPTO_TFM_REQ_MASK);
err = crypto_blkcipher_setkey(child, key, keylen);
crypto_tfm_set_flags(parent, crypto_blkcipher_get_flags(child) &
CRYPTO_TFM_RES_MASK);
return err;
}
static int cts_cbc_encrypt(struct crypto_cts_ctx *ctx,
struct blkcipher_desc *desc,
struct scatterlist *dst,
struct scatterlist *src,
unsigned int offset,
unsigned int nbytes)
{
int bsize = crypto_blkcipher_blocksize(desc->tfm);
u8 tmp[bsize], tmp2[bsize];
struct blkcipher_desc lcldesc;
struct scatterlist sgsrc[1], sgdst[1];
int lastn = nbytes - bsize;
u8 iv[bsize];
u8 s[bsize * 2], d[bsize * 2];
int err;
if (lastn < 0)
return -EINVAL;
memset(s, 0, sizeof(s));
scatterwalk_map_and_copy(s, src, offset, nbytes, 0);
memcpy(iv, desc->info, bsize);
lcldesc.tfm = ctx->child;
lcldesc.info = iv;
lcldesc.flags = desc->flags;
sg_set_buf(&sgsrc[0], s, bsize);
sg_set_buf(&sgdst[0], tmp, bsize);
err = crypto_blkcipher_encrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
memcpy(d + bsize, tmp, lastn);
lcldesc.info = tmp;
sg_set_buf(&sgsrc[0], s + bsize, bsize);
sg_set_buf(&sgdst[0], tmp2, bsize);
err = crypto_blkcipher_encrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
memcpy(d, tmp2, bsize);
scatterwalk_map_and_copy(d, dst, offset, nbytes, 1);
memcpy(desc->info, tmp2, bsize);
return err;
}
static int crypto_cts_encrypt(struct blkcipher_desc *desc,
struct scatterlist *dst, struct scatterlist *src,
unsigned int nbytes)
{
struct crypto_cts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
int bsize = crypto_blkcipher_blocksize(desc->tfm);
int tot_blocks = (nbytes + bsize - 1) / bsize;
int cbc_blocks = tot_blocks > 2 ? tot_blocks - 2 : 0;
struct blkcipher_desc lcldesc;
int err;
lcldesc.tfm = ctx->child;
lcldesc.info = desc->info;
lcldesc.flags = desc->flags;
if (tot_blocks == 1) {
err = crypto_blkcipher_encrypt_iv(&lcldesc, dst, src, bsize);
} else if (nbytes <= bsize * 2) {
err = cts_cbc_encrypt(ctx, desc, dst, src, 0, nbytes);
} else {
/* do normal function for tot_blocks - 2 */
err = crypto_blkcipher_encrypt_iv(&lcldesc, dst, src,
cbc_blocks * bsize);
if (err == 0) {
/* do cts for final two blocks */
err = cts_cbc_encrypt(ctx, desc, dst, src,
cbc_blocks * bsize,
nbytes - (cbc_blocks * bsize));
}
}
return err;
}
static int cts_cbc_decrypt(struct crypto_cts_ctx *ctx,
struct blkcipher_desc *desc,
struct scatterlist *dst,
struct scatterlist *src,
unsigned int offset,
unsigned int nbytes)
{
int bsize = crypto_blkcipher_blocksize(desc->tfm);
u8 tmp[bsize];
struct blkcipher_desc lcldesc;
struct scatterlist sgsrc[1], sgdst[1];
int lastn = nbytes - bsize;
u8 iv[bsize];
u8 s[bsize * 2], d[bsize * 2];
int err;
if (lastn < 0)
return -EINVAL;
scatterwalk_map_and_copy(s, src, offset, nbytes, 0);
lcldesc.tfm = ctx->child;
lcldesc.info = iv;
lcldesc.flags = desc->flags;
/* 1. Decrypt Cn-1 (s) to create Dn (tmp)*/
memset(iv, 0, sizeof(iv));
sg_set_buf(&sgsrc[0], s, bsize);
sg_set_buf(&sgdst[0], tmp, bsize);
err = crypto_blkcipher_decrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
if (err)
return err;
/* 2. Pad Cn with zeros at the end to create C of length BB */
memset(iv, 0, sizeof(iv));
memcpy(iv, s + bsize, lastn);
/* 3. Exclusive-or Dn (tmp) with C (iv) to create Xn (tmp) */
crypto_xor(tmp, iv, bsize);
/* 4. Select the first Ln bytes of Xn (tmp) to create Pn */
memcpy(d + bsize, tmp, lastn);
/* 5. Append the tail (BB - Ln) bytes of Xn (tmp) to Cn to create En */
memcpy(s + bsize + lastn, tmp + lastn, bsize - lastn);
/* 6. Decrypt En to create Pn-1 */
memset(iv, 0, sizeof(iv));
sg_set_buf(&sgsrc[0], s + bsize, bsize);
sg_set_buf(&sgdst[0], d, bsize);
err = crypto_blkcipher_decrypt_iv(&lcldesc, sgdst, sgsrc, bsize);
/* XOR with previous block */
crypto_xor(d, desc->info, bsize);
scatterwalk_map_and_copy(d, dst, offset, nbytes, 1);
memcpy(desc->info, s, bsize);
return err;
}
static int crypto_cts_decrypt(struct blkcipher_desc *desc,
struct scatterlist *dst, struct scatterlist *src,
unsigned int nbytes)
{
struct crypto_cts_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
int bsize = crypto_blkcipher_blocksize(desc->tfm);
int tot_blocks = (nbytes + bsize - 1) / bsize;
int cbc_blocks = tot_blocks > 2 ? tot_blocks - 2 : 0;
struct blkcipher_desc lcldesc;
int err;
lcldesc.tfm = ctx->child;
lcldesc.info = desc->info;
lcldesc.flags = desc->flags;
if (tot_blocks == 1) {
err = crypto_blkcipher_decrypt_iv(&lcldesc, dst, src, bsize);
} else if (nbytes <= bsize * 2) {
err = cts_cbc_decrypt(ctx, desc, dst, src, 0, nbytes);
} else {
/* do normal function for tot_blocks - 2 */
err = crypto_blkcipher_decrypt_iv(&lcldesc, dst, src,
cbc_blocks * bsize);
if (err == 0) {
/* do cts for final two blocks */
err = cts_cbc_decrypt(ctx, desc, dst, src,
cbc_blocks * bsize,
nbytes - (cbc_blocks * bsize));
}
}
return err;
}
static int crypto_cts_init_tfm(struct crypto_tfm *tfm)
{
struct crypto_instance *inst = (void *)tfm->__crt_alg;
struct crypto_spawn *spawn = crypto_instance_ctx(inst);
struct crypto_cts_ctx *ctx = crypto_tfm_ctx(tfm);
struct crypto_blkcipher *cipher;
cipher = crypto_spawn_blkcipher(spawn);
if (IS_ERR(cipher))
return PTR_ERR(cipher);
ctx->child = cipher;
return 0;
}
static void crypto_cts_exit_tfm(struct crypto_tfm *tfm)
{
struct crypto_cts_ctx *ctx = crypto_tfm_ctx(tfm);
crypto_free_blkcipher(ctx->child);
}
static struct crypto_instance *crypto_cts_alloc(struct rtattr **tb)
{
struct crypto_instance *inst;
struct crypto_alg *alg;
int err;
err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_BLKCIPHER);
if (err)
return ERR_PTR(err);
alg = crypto_attr_alg(tb[1], CRYPTO_ALG_TYPE_BLKCIPHER,
CRYPTO_ALG_TYPE_MASK);
err = PTR_ERR(alg);
if (IS_ERR(alg))
return ERR_PTR(err);
inst = ERR_PTR(-EINVAL);
if (!is_power_of_2(alg->cra_blocksize))
goto out_put_alg;
inst = crypto_alloc_instance("cts", alg);
if (IS_ERR(inst))
goto out_put_alg;
inst->alg.cra_flags = CRYPTO_ALG_TYPE_BLKCIPHER;
inst->alg.cra_priority = alg->cra_priority;
inst->alg.cra_blocksize = alg->cra_blocksize;
inst->alg.cra_alignmask = alg->cra_alignmask;
inst->alg.cra_type = &crypto_blkcipher_type;
/* We access the data as u32s when xoring. */
inst->alg.cra_alignmask |= __alignof__(u32) - 1;
inst->alg.cra_blkcipher.ivsize = alg->cra_blocksize;
inst->alg.cra_blkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
inst->alg.cra_blkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
inst->alg.cra_blkcipher.geniv = "seqiv";
inst->alg.cra_ctxsize = sizeof(struct crypto_cts_ctx);
inst->alg.cra_init = crypto_cts_init_tfm;
inst->alg.cra_exit = crypto_cts_exit_tfm;
inst->alg.cra_blkcipher.setkey = crypto_cts_setkey;
inst->alg.cra_blkcipher.encrypt = crypto_cts_encrypt;
inst->alg.cra_blkcipher.decrypt = crypto_cts_decrypt;
out_put_alg:
crypto_mod_put(alg);
return inst;
}
static void crypto_cts_free(struct crypto_instance *inst)
{
crypto_drop_spawn(crypto_instance_ctx(inst));
kfree(inst);
}
static struct crypto_template crypto_cts_tmpl = {
.name = "cts",
.alloc = crypto_cts_alloc,
.free = crypto_cts_free,
.module = THIS_MODULE,
};
static int __init crypto_cts_module_init(void)
{
return crypto_register_template(&crypto_cts_tmpl);
}
static void __exit crypto_cts_module_exit(void)
{
crypto_unregister_template(&crypto_cts_tmpl);
}
module_init(crypto_cts_module_init);
module_exit(crypto_cts_module_exit);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("CTS-CBC CipherText Stealing for CBC");

8
crypto/deflate.c
View File

@ -208,18 +208,18 @@ static struct crypto_alg alg = {
.coa_decompress = deflate_decompress } }
};
static int __init init(void)
static int __init deflate_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit deflate_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(deflate_mod_init);
module_exit(deflate_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Deflate Compression Algorithm for IPCOMP");

8
crypto/des_generic.c
View File

@ -977,7 +977,7 @@ static struct crypto_alg des3_ede_alg = {
MODULE_ALIAS("des3_ede");
static int __init init(void)
static int __init des_generic_mod_init(void)
{
int ret = 0;
@ -992,14 +992,14 @@ out:
return ret;
}
static void __exit fini(void)
static void __exit des_generic_mod_fini(void)
{
crypto_unregister_alg(&des3_ede_alg);
crypto_unregister_alg(&des_alg);
}
module_init(init);
module_exit(fini);
module_init(des_generic_mod_init);
module_exit(des_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms");

8
crypto/fcrypt.c
View File

@ -405,18 +405,18 @@ static struct crypto_alg fcrypt_alg = {
.cia_decrypt = fcrypt_decrypt } }
};
static int __init init(void)
static int __init fcrypt_mod_init(void)
{
return crypto_register_alg(&fcrypt_alg);
}
static void __exit fini(void)
static void __exit fcrypt_mod_fini(void)
{
crypto_unregister_alg(&fcrypt_alg);
}
module_init(init);
module_exit(fini);
module_init(fcrypt_mod_init);
module_exit(fcrypt_mod_fini);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("FCrypt Cipher Algorithm");

8
crypto/khazad.c
View File

@ -862,7 +862,7 @@ static struct crypto_alg khazad_alg = {
.cia_decrypt = khazad_decrypt } }
};
static int __init init(void)
static int __init khazad_mod_init(void)
{
int ret = 0;
@ -870,14 +870,14 @@ static int __init init(void)
return ret;
}
static void __exit fini(void)
static void __exit khazad_mod_fini(void)
{
crypto_unregister_alg(&khazad_alg);
}
module_init(init);
module_exit(fini);
module_init(khazad_mod_init);
module_exit(khazad_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Khazad Cryptographic Algorithm");

5
crypto/lrw.c
View File

@ -91,8 +91,9 @@ struct sinfo {
static inline void inc(be128 *iv)
{
if (!(iv->b = cpu_to_be64(be64_to_cpu(iv->b) + 1)))
iv->a = cpu_to_be64(be64_to_cpu(iv->a) + 1);
be64_add_cpu(&iv->b, 1);
if (!iv->b)
be64_add_cpu(&iv->a, 1);
}
static inline void lrw_round(struct sinfo *s, void *dst, const void *src)

8
crypto/lzo.c
View File

@ -89,18 +89,18 @@ static struct crypto_alg alg = {
.coa_decompress = lzo_decompress } }
};
static int __init init(void)
static int __init lzo_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit lzo_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(lzo_mod_init);
module_exit(lzo_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("LZO Compression Algorithm");

8
crypto/md4.c
View File

@ -233,18 +233,18 @@ static struct crypto_alg alg = {
.dia_final = md4_final } }
};
static int __init init(void)
static int __init md4_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit md4_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(md4_mod_init);
module_exit(md4_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MD4 Message Digest Algorithm");

8
crypto/md5.c
View File

@ -228,18 +228,18 @@ static struct crypto_alg alg = {
.dia_final = md5_final } }
};
static int __init init(void)
static int __init md5_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit md5_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(md5_mod_init);
module_exit(md5_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MD5 Message Digest Algorithm");

8
crypto/proc.c
View File

@ -78,7 +78,7 @@ static int c_show(struct seq_file *m, void *p)
return 0;
}
static struct seq_operations crypto_seq_ops = {
static const struct seq_operations crypto_seq_ops = {
.start = c_start,
.next = c_next,
.stop = c_stop,
@ -99,11 +99,7 @@ static const struct file_operations proc_crypto_ops = {
void __init crypto_init_proc(void)
{
struct proc_dir_entry *proc;
proc = create_proc_entry("crypto", 0, NULL);
if (proc)
proc->proc_fops = &proc_crypto_ops;
proc_create("crypto", 0, NULL, &proc_crypto_ops);
}
void __exit crypto_exit_proc(void)

8
crypto/salsa20_generic.c
View File

@ -237,18 +237,18 @@ static struct crypto_alg alg = {
}
};
static int __init init(void)
static int __init salsa20_generic_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit salsa20_generic_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(salsa20_generic_mod_init);
module_exit(salsa20_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION ("Salsa20 stream cipher algorithm");

8
crypto/serpent.c
View File

@ -557,7 +557,7 @@ static struct crypto_alg tnepres_alg = {
.cia_decrypt = tnepres_decrypt } }
};
static int __init init(void)
static int __init serpent_mod_init(void)
{
int ret = crypto_register_alg(&serpent_alg);
@ -572,14 +572,14 @@ static int __init init(void)
return ret;
}
static void __exit fini(void)
static void __exit serpent_mod_fini(void)
{
crypto_unregister_alg(&tnepres_alg);
crypto_unregister_alg(&serpent_alg);
}
module_init(init);
module_exit(fini);
module_init(serpent_mod_init);
module_exit(serpent_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Serpent and tnepres (kerneli compatible serpent reversed) Cipher Algorithm");

8
crypto/sha1_generic.c
View File

@ -120,18 +120,18 @@ static struct crypto_alg alg = {
.dia_final = sha1_final } }
};
static int __init init(void)
static int __init sha1_generic_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit sha1_generic_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(sha1_generic_mod_init);
module_exit(sha1_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm");

8
crypto/sha256_generic.c
View File

@ -353,7 +353,7 @@ static struct crypto_alg sha224 = {
.dia_final = sha224_final } }
};
static int __init init(void)
static int __init sha256_generic_mod_init(void)
{
int ret = 0;
@ -370,14 +370,14 @@ static int __init init(void)
return ret;
}
static void __exit fini(void)
static void __exit sha256_generic_mod_fini(void)
{
crypto_unregister_alg(&sha224);
crypto_unregister_alg(&sha256);
}
module_init(init);
module_exit(fini);
module_init(sha256_generic_mod_init);
module_exit(sha256_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm");

31
crypto/sha512.c → crypto/sha512_generic.c
View File

@ -104,9 +104,9 @@ sha512_transform(u64 *state, u64 *W, const u8 *input)
}
/* load the state into our registers */
a=state[0]; b=state[1]; c=state[2]; d=state[3];
e=state[4]; f=state[5]; g=state[6]; h=state[7];
a=state[0]; b=state[1]; c=state[2]; d=state[3];
e=state[4]; f=state[5]; g=state[6]; h=state[7];
/* now iterate */
for (i=0; i<80; i+=8) {
t1 = h + e1(e) + Ch(e,f,g) + sha512_K[i ] + W[i ];
@ -126,9 +126,9 @@ sha512_transform(u64 *state, u64 *W, const u8 *input)
t1 = a + e1(f) + Ch(f,g,h) + sha512_K[i+7] + W[i+7];
t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2;
}
state[0] += a; state[1] += b; state[2] += c; state[3] += d;
state[4] += e; state[5] += f; state[6] += g; state[7] += h;
state[0] += a; state[1] += b; state[2] += c; state[3] += d;
state[4] += e; state[5] += f; state[6] += g; state[7] += h;
/* erase our data */
a = b = c = d = e = f = g = h = t1 = t2 = 0;
@ -173,7 +173,7 @@ sha512_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
/* Compute number of bytes mod 128 */
index = (unsigned int)((sctx->count[0] >> 3) & 0x7F);
/* Update number of bits */
if ((sctx->count[0] += (len << 3)) < (len << 3)) {
if ((sctx->count[1] += 1) < 1)
@ -181,9 +181,9 @@ sha512_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len)
sctx->count[3]++;
sctx->count[1] += (len >> 29);
}
part_len = 128 - index;
/* Transform as many times as possible. */
if (len >= part_len) {
memcpy(&sctx->buf[index], data, part_len);
@ -278,9 +278,7 @@ static struct crypto_alg sha384 = {
}
};
MODULE_ALIAS("sha384");
static int __init init(void)
static int __init sha512_generic_mod_init(void)
{
int ret = 0;
@ -292,14 +290,17 @@ out:
return ret;
}
static void __exit fini(void)
static void __exit sha512_generic_mod_fini(void)
{
crypto_unregister_alg(&sha384);
crypto_unregister_alg(&sha512);
}
module_init(init);
module_exit(fini);
module_init(sha512_generic_mod_init);
module_exit(sha512_generic_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("SHA-512 and SHA-384 Secure Hash Algorithms");
MODULE_ALIAS("sha384");
MODULE_ALIAS("sha512");

535
crypto/tcrypt.c
View File

@ -82,9 +82,8 @@ static char *check[] = {
"des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
"blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
"cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
"arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
"khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
"camellia", "seed", "salsa20", "lzo", NULL
"camellia", "seed", "salsa20", "lzo", "cts", NULL
};
static void hexdump(unsigned char *buf, unsigned int len)
@ -113,23 +112,11 @@ static void test_hash(char *algo, struct hash_testvec *template,
char result[64];
struct crypto_hash *tfm;
struct hash_desc desc;
struct hash_testvec *hash_tv;
unsigned int tsize;
int ret;
void *hash_buff;
printk("\ntesting %s\n", algo);
tsize = sizeof(struct hash_testvec);
tsize *= tcount;
if (tsize > TVMEMSIZE) {
printk("template (%u) too big for tvmem (%u)\n", tsize, TVMEMSIZE);
return;
}
memcpy(tvmem, template, tsize);
hash_tv = (void *)tvmem;
tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm)) {
printk("failed to load transform for %s: %ld\n", algo,
@ -144,28 +131,36 @@ static void test_hash(char *algo, struct hash_testvec *template,
printk("test %u:\n", i + 1);
memset(result, 0, 64);
sg_init_one(&sg[0], hash_tv[i].plaintext, hash_tv[i].psize);
hash_buff = kzalloc(template[i].psize, GFP_KERNEL);
if (!hash_buff)
continue;
if (hash_tv[i].ksize) {
ret = crypto_hash_setkey(tfm, hash_tv[i].key,
hash_tv[i].ksize);
memcpy(hash_buff, template[i].plaintext, template[i].psize);
sg_init_one(&sg[0], hash_buff, template[i].psize);
if (template[i].ksize) {
ret = crypto_hash_setkey(tfm, template[i].key,
template[i].ksize);
if (ret) {
printk("setkey() failed ret=%d\n", ret);
kfree(hash_buff);
goto out;
}
}
ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize, result);
ret = crypto_hash_digest(&desc, sg, template[i].psize, result);
if (ret) {
printk("digest () failed ret=%d\n", ret);
kfree(hash_buff);
goto out;
}
hexdump(result, crypto_hash_digestsize(tfm));
printk("%s\n",
memcmp(result, hash_tv[i].digest,
memcmp(result, template[i].digest,
crypto_hash_digestsize(tfm)) ?
"fail" : "pass");
kfree(hash_buff);
}
printk("testing %s across pages\n", algo);
@ -175,25 +170,25 @@ static void test_hash(char *algo, struct hash_testvec *template,
j = 0;
for (i = 0; i < tcount; i++) {
if (hash_tv[i].np) {
if (template[i].np) {
j++;
printk("test %u:\n", j);
memset(result, 0, 64);
temp = 0;
sg_init_table(sg, hash_tv[i].np);
for (k = 0; k < hash_tv[i].np; k++) {
sg_init_table(sg, template[i].np);
for (k = 0; k < template[i].np; k++) {
memcpy(&xbuf[IDX[k]],
hash_tv[i].plaintext + temp,
hash_tv[i].tap[k]);
temp += hash_tv[i].tap[k];
template[i].plaintext + temp,
template[i].tap[k]);
temp += template[i].tap[k];
sg_set_buf(&sg[k], &xbuf[IDX[k]],
hash_tv[i].tap[k]);
template[i].tap[k]);
}
if (hash_tv[i].ksize) {
ret = crypto_hash_setkey(tfm, hash_tv[i].key,
hash_tv[i].ksize);
if (template[i].ksize) {
ret = crypto_hash_setkey(tfm, template[i].key,
template[i].ksize);
if (ret) {
printk("setkey() failed ret=%d\n", ret);
@ -201,7 +196,7 @@ static void test_hash(char *algo, struct hash_testvec *template,
}
}
ret = crypto_hash_digest(&desc, sg, hash_tv[i].psize,
ret = crypto_hash_digest(&desc, sg, template[i].psize,
result);
if (ret) {
printk("digest () failed ret=%d\n", ret);
@ -210,7 +205,7 @@ static void test_hash(char *algo, struct hash_testvec *template,
hexdump(result, crypto_hash_digestsize(tfm));
printk("%s\n",
memcmp(result, hash_tv[i].digest,
memcmp(result, template[i].digest,
crypto_hash_digestsize(tfm)) ?
"fail" : "pass");
}
@ -224,17 +219,18 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
unsigned int tcount)
{
unsigned int ret, i, j, k, temp;
unsigned int tsize;
char *q;
struct crypto_aead *tfm;
char *key;
struct aead_testvec *aead_tv;
struct aead_request *req;
struct scatterlist sg[8];
struct scatterlist asg[8];
const char *e;
struct tcrypt_result result;
unsigned int authsize;
void *input;
void *assoc;
char iv[MAX_IVLEN];
if (enc == ENCRYPT)
e = "encryption";
@ -243,18 +239,6 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
printk(KERN_INFO "\ntesting %s %s\n", algo, e);
tsize = sizeof(struct aead_testvec);
tsize *= tcount;
if (tsize > TVMEMSIZE) {
printk(KERN_INFO "template (%u) too big for tvmem (%u)\n",
tsize, TVMEMSIZE);
return;
}
memcpy(tvmem, template, tsize);
aead_tv = (void *)tvmem;
init_completion(&result.completion);
tfm = crypto_alloc_aead(algo, 0, 0);
@ -275,46 +259,68 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
tcrypt_complete, &result);
for (i = 0, j = 0; i < tcount; i++) {
if (!aead_tv[i].np) {
if (!template[i].np) {
printk(KERN_INFO "test %u (%d bit key):\n",
++j, aead_tv[i].klen * 8);
++j, template[i].klen * 8);
/* some tepmplates have no input data but they will
* touch input
*/
input = kzalloc(template[i].ilen + template[i].rlen, GFP_KERNEL);
if (!input)
continue;
assoc = kzalloc(template[i].alen, GFP_KERNEL);
if (!assoc) {
kfree(input);
continue;
}
memcpy(input, template[i].input, template[i].ilen);
memcpy(assoc, template[i].assoc, template[i].alen);
if (template[i].iv)
memcpy(iv, template[i].iv, MAX_IVLEN);
else
memset(iv, 0, MAX_IVLEN);
crypto_aead_clear_flags(tfm, ~0);
if (aead_tv[i].wk)
if (template[i].wk)
crypto_aead_set_flags(
tfm, CRYPTO_TFM_REQ_WEAK_KEY);
key = aead_tv[i].key;
if (template[i].key)
key = template[i].key;
else
key = kzalloc(template[i].klen, GFP_KERNEL);
ret = crypto_aead_setkey(tfm, key,
aead_tv[i].klen);
template[i].klen);
if (ret) {
printk(KERN_INFO "setkey() failed flags=%x\n",
crypto_aead_get_flags(tfm));
if (!aead_tv[i].fail)
goto out;
if (!template[i].fail)
goto next_one;
}
authsize = abs(aead_tv[i].rlen - aead_tv[i].ilen);
authsize = abs(template[i].rlen - template[i].ilen);
ret = crypto_aead_setauthsize(tfm, authsize);
if (ret) {
printk(KERN_INFO
"failed to set authsize = %u\n",
authsize);
goto out;
goto next_one;
}
sg_init_one(&sg[0], aead_tv[i].input,
aead_tv[i].ilen + (enc ? authsize : 0));
sg_init_one(&sg[0], input,
template[i].ilen + (enc ? authsize : 0));
sg_init_one(&asg[0], aead_tv[i].assoc,
aead_tv[i].alen);
sg_init_one(&asg[0], assoc, template[i].alen);
aead_request_set_crypt(req, sg, sg,
aead_tv[i].ilen,
aead_tv[i].iv);
template[i].ilen, iv);
aead_request_set_assoc(req, asg, aead_tv[i].alen);
aead_request_set_assoc(req, asg, template[i].alen);
ret = enc ?
crypto_aead_encrypt(req) :
@ -335,15 +341,21 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
default:
printk(KERN_INFO "%s () failed err=%d\n",
e, -ret);
goto out;
goto next_one;
}
q = kmap(sg_page(&sg[0])) + sg[0].offset;
hexdump(q, aead_tv[i].rlen);
hexdump(q, template[i].rlen);
printk(KERN_INFO "enc/dec: %s\n",
memcmp(q, aead_tv[i].result,
aead_tv[i].rlen) ? "fail" : "pass");
memcmp(q, template[i].result,
template[i].rlen) ? "fail" : "pass");
kunmap(sg_page(&sg[0]));
next_one:
if (!template[i].key)
kfree(key);
kfree(assoc);
kfree(input);
}
}
@ -352,36 +364,41 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
memset(axbuf, 0, XBUFSIZE);
for (i = 0, j = 0; i < tcount; i++) {
if (aead_tv[i].np) {
if (template[i].np) {
printk(KERN_INFO "test %u (%d bit key):\n",
++j, aead_tv[i].klen * 8);
++j, template[i].klen * 8);
if (template[i].iv)
memcpy(iv, template[i].iv, MAX_IVLEN);
else
memset(iv, 0, MAX_IVLEN);
crypto_aead_clear_flags(tfm, ~0);
if (aead_tv[i].wk)
if (template[i].wk)
crypto_aead_set_flags(
tfm, CRYPTO_TFM_REQ_WEAK_KEY);
key = aead_tv[i].key;
key = template[i].key;
ret = crypto_aead_setkey(tfm, key, aead_tv[i].klen);
ret = crypto_aead_setkey(tfm, key, template[i].klen);
if (ret) {
printk(KERN_INFO "setkey() failed flags=%x\n",
crypto_aead_get_flags(tfm));
if (!aead_tv[i].fail)
if (!template[i].fail)
goto out;
}
sg_init_table(sg, aead_tv[i].np);
for (k = 0, temp = 0; k < aead_tv[i].np; k++) {
sg_init_table(sg, template[i].np);
for (k = 0, temp = 0; k < template[i].np; k++) {
memcpy(&xbuf[IDX[k]],
aead_tv[i].input + temp,
aead_tv[i].tap[k]);
temp += aead_tv[i].tap[k];
template[i].input + temp,
template[i].tap[k]);
temp += template[i].tap[k];
sg_set_buf(&sg[k], &xbuf[IDX[k]],
aead_tv[i].tap[k]);
template[i].tap[k]);
}
authsize = abs(aead_tv[i].rlen - aead_tv[i].ilen);
authsize = abs(template[i].rlen - template[i].ilen);
ret = crypto_aead_setauthsize(tfm, authsize);
if (ret) {
printk(KERN_INFO
@ -393,21 +410,21 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
if (enc)
sg[k - 1].length += authsize;
sg_init_table(asg, aead_tv[i].anp);
for (k = 0, temp = 0; k < aead_tv[i].anp; k++) {
sg_init_table(asg, template[i].anp);
for (k = 0, temp = 0; k < template[i].anp; k++) {
memcpy(&axbuf[IDX[k]],
aead_tv[i].assoc + temp,
aead_tv[i].atap[k]);
temp += aead_tv[i].atap[k];
template[i].assoc + temp,
template[i].atap[k]);
temp += template[i].atap[k];
sg_set_buf(&asg[k], &axbuf[IDX[k]],
aead_tv[i].atap[k]);
template[i].atap[k]);
}
aead_request_set_crypt(req, sg, sg,
aead_tv[i].ilen,
aead_tv[i].iv);
template[i].ilen,
iv);
aead_request_set_assoc(req, asg, aead_tv[i].alen);
aead_request_set_assoc(req, asg, template[i].alen);
ret = enc ?
crypto_aead_encrypt(req) :
@ -431,18 +448,19 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
goto out;
}
for (k = 0, temp = 0; k < aead_tv[i].np; k++) {
for (k = 0, temp = 0; k < template[i].np; k++) {
printk(KERN_INFO "page %u\n", k);
q = kmap(sg_page(&sg[k])) + sg[k].offset;
hexdump(q, aead_tv[i].tap[k]);
hexdump(q, template[i].tap[k]);
printk(KERN_INFO "%s\n",
memcmp(q, aead_tv[i].result + temp,
aead_tv[i].tap[k] -
(k < aead_tv[i].np - 1 || enc ?
memcmp(q, template[i].result + temp,
template[i].tap[k] -
(k < template[i].np - 1 || enc ?
0 : authsize)) ?
"fail" : "pass");
temp += aead_tv[i].tap[k];
temp += template[i].tap[k];
kunmap(sg_page(&sg[k]));
}
}
}
@ -456,15 +474,14 @@ static void test_cipher(char *algo, int enc,
struct cipher_testvec *template, unsigned int tcount)
{
unsigned int ret, i, j, k, temp;
unsigned int tsize;
char *q;
struct crypto_ablkcipher *tfm;
char *key;
struct cipher_testvec *cipher_tv;
struct ablkcipher_request *req;
struct scatterlist sg[8];
const char *e;
struct tcrypt_result result;
void *data;
char iv[MAX_IVLEN];
if (enc == ENCRYPT)
e = "encryption";
@ -473,16 +490,7 @@ static void test_cipher(char *algo, int enc,
printk("\ntesting %s %s\n", algo, e);
tsize = sizeof (struct cipher_testvec);
if (tsize > TVMEMSIZE) {
printk("template (%u) too big for tvmem (%u)\n", tsize,
TVMEMSIZE);
return;
}
cipher_tv = (void *)tvmem;
init_completion(&result.completion);
tfm = crypto_alloc_ablkcipher(algo, 0, 0);
if (IS_ERR(tfm)) {
@ -502,35 +510,43 @@ static void test_cipher(char *algo, int enc,
j = 0;
for (i = 0; i < tcount; i++) {
memcpy(cipher_tv, &template[i], tsize);
if (!(cipher_tv->np)) {
data = kzalloc(template[i].ilen, GFP_KERNEL);
if (!data)
continue;
memcpy(data, template[i].input, template[i].ilen);
if (template[i].iv)
memcpy(iv, template[i].iv, MAX_IVLEN);
else
memset(iv, 0, MAX_IVLEN);
if (!(template[i].np)) {
j++;
printk("test %u (%d bit key):\n",
j, cipher_tv->klen * 8);
j, template[i].klen * 8);
crypto_ablkcipher_clear_flags(tfm, ~0);
if (cipher_tv->wk)
if (template[i].wk)
crypto_ablkcipher_set_flags(
tfm, CRYPTO_TFM_REQ_WEAK_KEY);
key = cipher_tv->key;
ret = crypto_ablkcipher_setkey(tfm, key,
cipher_tv->klen);
ret = crypto_ablkcipher_setkey(tfm, template[i].key,
template[i].klen);
if (ret) {
printk("setkey() failed flags=%x\n",
crypto_ablkcipher_get_flags(tfm));
if (!cipher_tv->fail)
if (!template[i].fail) {
kfree(data);
goto out;
}
}
sg_init_one(&sg[0], cipher_tv->input,
cipher_tv->ilen);
sg_init_one(&sg[0], data, template[i].ilen);
ablkcipher_request_set_crypt(req, sg, sg,
cipher_tv->ilen,
cipher_tv->iv);
template[i].ilen, iv);
ret = enc ?
crypto_ablkcipher_encrypt(req) :
crypto_ablkcipher_decrypt(req);
@ -549,16 +565,19 @@ static void test_cipher(char *algo, int enc,
/* fall through */
default:
printk("%s () failed err=%d\n", e, -ret);
kfree(data);
goto out;
}
q = kmap(sg_page(&sg[0])) + sg[0].offset;
hexdump(q, cipher_tv->rlen);
hexdump(q, template[i].rlen);
printk("%s\n",
memcmp(q, cipher_tv->result,
cipher_tv->rlen) ? "fail" : "pass");
memcmp(q, template[i].result,
template[i].rlen) ? "fail" : "pass");
kunmap(sg_page(&sg[0]));
}
kfree(data);
}
printk("\ntesting %s %s across pages (chunking)\n", algo, e);
@ -566,42 +585,53 @@ static void test_cipher(char *algo, int enc,
j = 0;
for (i = 0; i < tcount; i++) {
memcpy(cipher_tv, &template[i], tsize);
if (cipher_tv->np) {
data = kzalloc(template[i].ilen, GFP_KERNEL);
if (!data)
continue;
memcpy(data, template[i].input, template[i].ilen);
if (template[i].iv)
memcpy(iv, template[i].iv, MAX_IVLEN);
else
memset(iv, 0, MAX_IVLEN);
if (template[i].np) {
j++;
printk("test %u (%d bit key):\n",
j, cipher_tv->klen * 8);
j, template[i].klen * 8);
crypto_ablkcipher_clear_flags(tfm, ~0);
if (cipher_tv->wk)
if (template[i].wk)
crypto_ablkcipher_set_flags(
tfm, CRYPTO_TFM_REQ_WEAK_KEY);
key = cipher_tv->key;
ret = crypto_ablkcipher_setkey(tfm, key,
cipher_tv->klen);
ret = crypto_ablkcipher_setkey(tfm, template[i].key,
template[i].klen);
if (ret) {
printk("setkey() failed flags=%x\n",
crypto_ablkcipher_get_flags(tfm));
crypto_ablkcipher_get_flags(tfm));
if (!cipher_tv->fail)
if (!template[i].fail) {
kfree(data);
goto out;
}
}
temp = 0;
sg_init_table(sg, cipher_tv->np);
for (k = 0; k < cipher_tv->np; k++) {
sg_init_table(sg, template[i].np);
for (k = 0; k < template[i].np; k++) {
memcpy(&xbuf[IDX[k]],
cipher_tv->input + temp,
cipher_tv->tap[k]);
temp += cipher_tv->tap[k];
template[i].input + temp,
template[i].tap[k]);
temp += template[i].tap[k];
sg_set_buf(&sg[k], &xbuf[IDX[k]],
cipher_tv->tap[k]);
template[i].tap[k]);
}
ablkcipher_request_set_crypt(req, sg, sg,
cipher_tv->ilen,
cipher_tv->iv);
template[i].ilen, iv);
ret = enc ?
crypto_ablkcipher_encrypt(req) :
@ -625,19 +655,19 @@ static void test_cipher(char *algo, int enc,
}
temp = 0;
for (k = 0; k < cipher_tv->np; k++) {
for (k = 0; k < template[i].np; k++) {
printk("page %u\n", k);
q = kmap(sg_page(&sg[k])) + sg[k].offset;
hexdump(q, cipher_tv->tap[k]);
hexdump(q, template[i].tap[k]);
printk("%s\n",
memcmp(q, cipher_tv->result + temp,
cipher_tv->tap[k]) ? "fail" :
memcmp(q, template[i].result + temp,
template[i].tap[k]) ? "fail" :
"pass");
temp += cipher_tv->tap[k];
temp += template[i].tap[k];
kunmap(sg_page(&sg[k]));
}
}
}
out:
crypto_free_ablkcipher(tfm);
ablkcipher_request_free(req);
@ -721,15 +751,18 @@ out:
return ret;
}
static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
static void test_cipher_speed(char *algo, int enc, unsigned int sec,
struct cipher_testvec *template,
unsigned int tcount, struct cipher_speed *speed)
unsigned int tcount, u8 *keysize)
{
unsigned int ret, i, j, iv_len;
unsigned char *key, *p, iv[128];
struct crypto_blkcipher *tfm;
struct blkcipher_desc desc;
const char *e;
u32 *b_size;
if (enc == ENCRYPT)
e = "encryption";
@ -748,52 +781,60 @@ static void test_cipher_speed(char *algo, int enc, unsigned int sec,
desc.tfm = tfm;
desc.flags = 0;
for (i = 0; speed[i].klen != 0; i++) {
if ((speed[i].blen + speed[i].klen) > TVMEMSIZE) {
printk("template (%u) too big for tvmem (%u)\n",
speed[i].blen + speed[i].klen, TVMEMSIZE);
goto out;
}
i = 0;
do {
printk("test %u (%d bit key, %d byte blocks): ", i,
speed[i].klen * 8, speed[i].blen);
b_size = block_sizes;
do {
memset(tvmem, 0xff, speed[i].klen + speed[i].blen);
if ((*keysize + *b_size) > TVMEMSIZE) {
printk("template (%u) too big for tvmem (%u)\n",
*keysize + *b_size, TVMEMSIZE);
goto out;
}
/* set key, plain text and IV */
key = (unsigned char *)tvmem;
for (j = 0; j < tcount; j++) {
if (template[j].klen == speed[i].klen) {
key = template[j].key;
printk("test %u (%d bit key, %d byte blocks): ", i,
*keysize * 8, *b_size);
memset(tvmem, 0xff, *keysize + *b_size);
/* set key, plain text and IV */
key = (unsigned char *)tvmem;
for (j = 0; j < tcount; j++) {
if (template[j].klen == *keysize) {
key = template[j].key;
break;
}
}
p = (unsigned char *)tvmem + *keysize;
ret = crypto_blkcipher_setkey(tfm, key, *keysize);
if (ret) {
printk("setkey() failed flags=%x\n",
crypto_blkcipher_get_flags(tfm));
goto out;
}
iv_len = crypto_blkcipher_ivsize(tfm);
if (iv_len) {
memset(&iv, 0xff, iv_len);
crypto_blkcipher_set_iv(tfm, iv, iv_len);
}
if (sec)
ret = test_cipher_jiffies(&desc, enc, p, *b_size, sec);
else
ret = test_cipher_cycles(&desc, enc, p, *b_size);
if (ret) {
printk("%s() failed flags=%x\n", e, desc.flags);
break;
}
}
p = (unsigned char *)tvmem + speed[i].klen;
ret = crypto_blkcipher_setkey(tfm, key, speed[i].klen);
if (ret) {
printk("setkey() failed flags=%x\n",
crypto_blkcipher_get_flags(tfm));
goto out;
}
iv_len = crypto_blkcipher_ivsize(tfm);
if (iv_len) {
memset(&iv, 0xff, iv_len);
crypto_blkcipher_set_iv(tfm, iv, iv_len);
}
if (sec)
ret = test_cipher_jiffies(&desc, enc, p, speed[i].blen,
sec);
else
ret = test_cipher_cycles(&desc, enc, p, speed[i].blen);
if (ret) {
printk("%s() failed flags=%x\n", e, desc.flags);
break;
}
}
b_size++;
i++;
} while (*b_size);
keysize++;
} while (*keysize);
out:
crypto_free_blkcipher(tfm);
@ -1041,22 +1082,10 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
unsigned int i;
char result[COMP_BUF_SIZE];
struct crypto_comp *tfm;
struct comp_testvec *tv;
unsigned int tsize;
printk("\ntesting %s compression\n", algo);
tsize = sizeof(struct comp_testvec);
tsize *= ctcount;
if (tsize > TVMEMSIZE) {
printk("template (%u) too big for tvmem (%u)\n", tsize,
TVMEMSIZE);
return;
}
memcpy(tvmem, ctemplate, tsize);
tv = (void *)tvmem;
tfm = crypto_alloc_comp(algo, 0, CRYPTO_ALG_ASYNC);
if (IS_ERR(tfm)) {
printk("failed to load transform for %s\n", algo);
@ -1069,8 +1098,8 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
printk("test %u:\n", i + 1);
memset(result, 0, sizeof (result));
ilen = tv[i].inlen;
ret = crypto_comp_compress(tfm, tv[i].input,
ilen = ctemplate[i].inlen;
ret = crypto_comp_compress(tfm, ctemplate[i].input,
ilen, result, &dlen);
if (ret) {
printk("fail: ret=%d\n", ret);
@ -1078,7 +1107,7 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
}
hexdump(result, dlen);
printk("%s (ratio %d:%d)\n",
memcmp(result, tv[i].output, dlen) ? "fail" : "pass",
memcmp(result, ctemplate[i].output, dlen) ? "fail" : "pass",
ilen, dlen);
}
@ -1092,17 +1121,14 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
goto out;
}
memcpy(tvmem, dtemplate, tsize);
tv = (void *)tvmem;
for (i = 0; i < dtcount; i++) {
int ilen, ret, dlen = COMP_BUF_SIZE;
printk("test %u:\n", i + 1);
memset(result, 0, sizeof (result));
ilen = tv[i].inlen;
ret = crypto_comp_decompress(tfm, tv[i].input,
ilen = dtemplate[i].inlen;
ret = crypto_comp_decompress(tfm, dtemplate[i].input,
ilen, result, &dlen);
if (ret) {
printk("fail: ret=%d\n", ret);
@ -1110,7 +1136,7 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
}
hexdump(result, dlen);
printk("%s (ratio %d:%d)\n",
memcmp(result, tv[i].output, dlen) ? "fail" : "pass",
memcmp(result, dtemplate[i].output, dlen) ? "fail" : "pass",
ilen, dlen);
}
out:
@ -1301,6 +1327,12 @@ static void do_test(void)
test_cipher("ecb(seed)", DECRYPT, seed_dec_tv_template,
SEED_DEC_TEST_VECTORS);
//CTS
test_cipher("cts(cbc(aes))", ENCRYPT, cts_mode_enc_tv_template,
CTS_MODE_ENC_TEST_VECTORS);
test_cipher("cts(cbc(aes))", DECRYPT, cts_mode_dec_tv_template,
CTS_MODE_DEC_TEST_VECTORS);
test_hash("sha384", sha384_tv_template, SHA384_TEST_VECTORS);
test_hash("sha512", sha512_tv_template, SHA512_TEST_VECTORS);
test_hash("wp512", wp512_tv_template, WP512_TEST_VECTORS);
@ -1584,6 +1616,13 @@ static void do_test(void)
AES_CCM_DEC_TEST_VECTORS);
break;
case 38:
test_cipher("cts(cbc(aes))", ENCRYPT, cts_mode_enc_tv_template,
CTS_MODE_ENC_TEST_VECTORS);
test_cipher("cts(cbc(aes))", DECRYPT, cts_mode_dec_tv_template,
CTS_MODE_DEC_TEST_VECTORS);
break;
case 100:
test_hash("hmac(md5)", hmac_md5_tv_template,
HMAC_MD5_TEST_VECTORS);
@ -1621,89 +1660,85 @@ static void do_test(void)
case 200:
test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
aes_speed_template);
speed_template_16_24_32);
test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
aes_speed_template);
speed_template_16_24_32);
test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
aes_speed_template);
speed_template_16_24_32);
test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
aes_speed_template);
speed_template_16_24_32);
test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
aes_lrw_speed_template);
speed_template_32_40_48);
test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
aes_lrw_speed_template);
speed_template_32_40_48);
test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
aes_xts_speed_template);
speed_template_32_48_64);
test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
aes_xts_speed_template);
speed_template_32_48_64);
break;
case 201:
test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
des3_ede_enc_tv_template,
DES3_EDE_ENC_TEST_VECTORS,
des3_ede_speed_template);
des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
speed_template_24);
test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
des3_ede_dec_tv_template,
DES3_EDE_DEC_TEST_VECTORS,
des3_ede_speed_template);
des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
speed_template_24);
test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
des3_ede_enc_tv_template,
DES3_EDE_ENC_TEST_VECTORS,
des3_ede_speed_template);
des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
speed_template_24);
test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
des3_ede_dec_tv_template,
DES3_EDE_DEC_TEST_VECTORS,
des3_ede_speed_template);
des3_ede_enc_tv_template, DES3_EDE_ENC_TEST_VECTORS,
speed_template_24);
break;
case 202:
test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
twofish_speed_template);
speed_template_16_24_32);
test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
twofish_speed_template);
speed_template_16_24_32);
test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
twofish_speed_template);
speed_template_16_24_32);
test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
twofish_speed_template);
speed_template_16_24_32);
break;
case 203:
test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
blowfish_speed_template);
speed_template_8_32);
test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
blowfish_speed_template);
speed_template_8_32);
test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
blowfish_speed_template);
speed_template_8_32);
test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
blowfish_speed_template);
speed_template_8_32);
break;
case 204:
test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
des_speed_template);
speed_template_8);
test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
des_speed_template);
speed_template_8);
test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
des_speed_template);
speed_template_8);
test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
des_speed_template);
speed_template_8);
break;
case 205:
test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
camellia_speed_template);
speed_template_16_24_32);
test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
camellia_speed_template);
speed_template_16_24_32);
test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
camellia_speed_template);
speed_template_16_24_32);
test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
camellia_speed_template);
speed_template_16_24_32);
break;
case 206:
test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
salsa20_speed_template);
speed_template_16_32);
break;
case 300:
@ -1775,7 +1810,7 @@ static void do_test(void)
}
}
static int __init init(void)
static int __init tcrypt_mod_init(void)
{
int err = -ENOMEM;
@ -1814,10 +1849,10 @@ static int __init init(void)
* If an init function is provided, an exit function must also be provided
* to allow module unload.
*/
static void __exit fini(void) { }
static void __exit tcrypt_mod_fini(void) { }
module_init(init);
module_exit(fini);
module_init(tcrypt_mod_init);
module_exit(tcrypt_mod_fini);
module_param(mode, int, 0);
module_param(sec, uint, 0);

11885
crypto/tcrypt.h
View File

File diff suppressed because it is too large Load Diff

8
crypto/tea.c
View File

@ -267,7 +267,7 @@ static struct crypto_alg xeta_alg = {
.cia_decrypt = xeta_decrypt } }
};
static int __init init(void)
static int __init tea_mod_init(void)
{
int ret = 0;
@ -292,7 +292,7 @@ out:
return ret;
}
static void __exit fini(void)
static void __exit tea_mod_fini(void)
{
crypto_unregister_alg(&tea_alg);
crypto_unregister_alg(&xtea_alg);
@ -302,8 +302,8 @@ static void __exit fini(void)
MODULE_ALIAS("xtea");
MODULE_ALIAS("xeta");
module_init(init);
module_exit(fini);
module_init(tea_mod_init);
module_exit(tea_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("TEA, XTEA & XETA Cryptographic Algorithms");

8
crypto/tgr192.c
View File

@ -663,7 +663,7 @@ static struct crypto_alg tgr128 = {
.dia_final = tgr128_final}}
};
static int __init init(void)
static int __init tgr192_mod_init(void)
{
int ret = 0;
@ -688,7 +688,7 @@ static int __init init(void)
return ret;
}
static void __exit fini(void)
static void __exit tgr192_mod_fini(void)
{
crypto_unregister_alg(&tgr192);
crypto_unregister_alg(&tgr160);
@ -698,8 +698,8 @@ static void __exit fini(void)
MODULE_ALIAS("tgr160");
MODULE_ALIAS("tgr128");
module_init(init);
module_exit(fini);
module_init(tgr192_mod_init);
module_exit(tgr192_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Tiger Message Digest Algorithm");

8
crypto/twofish.c
View File

@ -197,18 +197,18 @@ static struct crypto_alg alg = {
.cia_decrypt = twofish_decrypt } }
};
static int __init init(void)
static int __init twofish_mod_init(void)
{
return crypto_register_alg(&alg);
}
static void __exit fini(void)
static void __exit twofish_mod_fini(void)
{
crypto_unregister_alg(&alg);
}
module_init(init);
module_exit(fini);
module_init(twofish_mod_init);
module_exit(twofish_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION ("Twofish Cipher Algorithm");

8
crypto/wp512.c
View File

@ -1146,7 +1146,7 @@ static struct crypto_alg wp256 = {
.dia_final = wp256_final } }
};
static int __init init(void)
static int __init wp512_mod_init(void)
{
int ret = 0;
@ -1172,7 +1172,7 @@ out:
return ret;
}
static void __exit fini(void)
static void __exit wp512_mod_fini(void)
{
crypto_unregister_alg(&wp512);
crypto_unregister_alg(&wp384);
@ -1182,8 +1182,8 @@ static void __exit fini(void)
MODULE_ALIAS("wp384");
MODULE_ALIAS("wp256");
module_init(init);
module_exit(fini);
module_init(wp512_mod_init);
module_exit(wp512_mod_fini);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Whirlpool Message Digest Algorithm");

26
drivers/char/hw_random/omap-rng.c
View File

@ -1,7 +1,5 @@
/*
* drivers/char/hw_random/omap-rng.c
*
* RNG driver for TI OMAP CPU family
* omap-rng.c - RNG driver for TI OMAP CPU family
*
* Author: Deepak Saxena <dsaxena@plexity.net>
*
@ -15,11 +13,6 @@
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*
* TODO:
*
* - Make status updated be interrupt driven so we don't poll
*
*/
#include <linux/module.h>
@ -55,17 +48,16 @@ static void __iomem *rng_base;
static struct clk *rng_ick;
static struct platform_device *rng_dev;
static u32 omap_rng_read_reg(int reg)
static inline u32 omap_rng_read_reg(int reg)
{
return __raw_readl(rng_base + reg);
}
static void omap_rng_write_reg(int reg, u32 val)
static inline void omap_rng_write_reg(int reg, u32 val)
{
__raw_writel(val, rng_base + reg);
}
/* REVISIT: Does the status bit really work on 16xx? */
static int omap_rng_data_present(struct hwrng *rng, int wait)
{
int data, i;
@ -74,6 +66,11 @@ static int omap_rng_data_present(struct hwrng *rng, int wait)
data = omap_rng_read_reg(RNG_STAT_REG) ? 0 : 1;
if (data || !wait)
break;
/* RNG produces data fast enough (2+ MBit/sec, even
* during "rngtest" loads, that these delays don't
* seem to trigger. We *could* use the RNG IRQ, but
* that'd be higher overhead ... so why bother?
*/
udelay(10);
}
return data;
@ -101,7 +98,8 @@ static int __init omap_rng_probe(struct platform_device *pdev)
* A bit ugly, and it will never actually happen but there can
* be only one RNG and this catches any bork
*/
BUG_ON(rng_dev);
if (rng_dev)
return -EBUSY;
if (cpu_is_omap24xx()) {
rng_ick = clk_get(NULL, "rng_ick");
@ -124,7 +122,7 @@ static int __init omap_rng_probe(struct platform_device *pdev)
return -EBUSY;
dev_set_drvdata(&pdev->dev, mem);
rng_base = (u32 __iomem *)io_p2v(res->start);
rng_base = (u32 __force __iomem *)io_p2v(res->start);
ret = hwrng_register(&omap_rng_ops);
if (ret) {
@ -182,6 +180,8 @@ static int omap_rng_resume(struct platform_device *pdev)
#endif
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:omap_rng");
static struct platform_driver omap_rng_driver = {
.driver = {

14
drivers/crypto/Kconfig
View File

@ -27,6 +27,7 @@ config CRYPTO_DEV_PADLOCK_AES
tristate "PadLock driver for AES algorithm"
depends on CRYPTO_DEV_PADLOCK
select CRYPTO_BLKCIPHER
select CRYPTO_AES
help
Use VIA PadLock for AES algorithm.
@ -101,6 +102,19 @@ config CRYPTO_SHA256_S390
This version of SHA implements a 256 bit hash with 128 bits of
security against collision attacks.
config CRYPTO_SHA512_S390
tristate "SHA384 and SHA512 digest algorithm"
depends on S390
select CRYPTO_ALGAPI
help
This is the s390 hardware accelerated implementation of the
SHA512 secure hash standard.
This version of SHA implements a 512 bit hash with 256 bits of
security against collision attacks. The code also includes SHA-384,
a 384 bit hash with 192 bits of security against collision attacks.
config CRYPTO_DES_S390
tristate "DES and Triple DES cipher algorithms"
depends on S390

320
drivers/crypto/padlock-aes.c
View File

@ -5,42 +5,6 @@
*
* Copyright (c) 2004 Michal Ludvig <michal@logix.cz>
*
* Key expansion routine taken from crypto/aes_generic.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ---------------------------------------------------------------------------
* Copyright (c) 2002, Dr Brian Gladman <brg@gladman.me.uk>, Worcester, UK.
* All rights reserved.
*
* LICENSE TERMS
*
* The free distribution and use of this software in both source and binary
* form is allowed (with or without changes) provided that:
*
* 1. distributions of this source code include the above copyright
* notice, this list of conditions and the following disclaimer;
*
* 2. distributions in binary form include the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other associated materials;
*
* 3. the copyright holder's name is not used to endorse products
* built using this software without specific written permission.
*
* ALTERNATIVELY, provided that this notice is retained in full, this product
* may be distributed under the terms of the GNU General Public License (GPL),
* in which case the provisions of the GPL apply INSTEAD OF those given above.
*
* DISCLAIMER
*
* This software is provided 'as is' with no explicit or implied warranties
* in respect of its properties, including, but not limited to, correctness
* and/or fitness for purpose.
* ---------------------------------------------------------------------------
*/
#include <crypto/algapi.h>
@ -54,9 +18,6 @@
#include <asm/byteorder.h>
#include "padlock.h"
#define AES_EXTENDED_KEY_SIZE 64 /* in uint32_t units */
#define AES_EXTENDED_KEY_SIZE_B (AES_EXTENDED_KEY_SIZE * sizeof(uint32_t))
/* Control word. */
struct cword {
unsigned int __attribute__ ((__packed__))
@ -70,218 +31,23 @@ struct cword {
/* Whenever making any changes to the following
* structure *make sure* you keep E, d_data
* and cword aligned on 16 Bytes boundaries!!! */
* and cword aligned on 16 Bytes boundaries and
* the Hardware can access 16 * 16 bytes of E and d_data
* (only the first 15 * 16 bytes matter but the HW reads
* more).
*/
struct aes_ctx {
u32 E[AES_MAX_KEYLENGTH_U32]
__attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
u32 d_data[AES_MAX_KEYLENGTH_U32]
__attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
struct {
struct cword encrypt;
struct cword decrypt;
} cword;
u32 *D;
int key_length;
u32 E[AES_EXTENDED_KEY_SIZE]
__attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
u32 d_data[AES_EXTENDED_KEY_SIZE]
__attribute__ ((__aligned__(PADLOCK_ALIGNMENT)));
};
/* ====== Key management routines ====== */
static inline uint32_t
generic_rotr32 (const uint32_t x, const unsigned bits)
{
const unsigned n = bits % 32;
return (x >> n) | (x << (32 - n));
}
static inline uint32_t
generic_rotl32 (const uint32_t x, const unsigned bits)
{
const unsigned n = bits % 32;
return (x << n) | (x >> (32 - n));
}
#define rotl generic_rotl32
#define rotr generic_rotr32
/*
* #define byte(x, nr) ((unsigned char)((x) >> (nr*8)))
*/
static inline uint8_t
byte(const uint32_t x, const unsigned n)
{
return x >> (n << 3);
}
#define E_KEY ctx->E
#define D_KEY ctx->D
static uint8_t pow_tab[256];
static uint8_t log_tab[256];
static uint8_t sbx_tab[256];
static uint8_t isb_tab[256];
static uint32_t rco_tab[10];
static uint32_t ft_tab[4][256];
static uint32_t it_tab[4][256];
static uint32_t fl_tab[4][256];
static uint32_t il_tab[4][256];
static inline uint8_t
f_mult (uint8_t a, uint8_t b)
{
uint8_t aa = log_tab[a], cc = aa + log_tab[b];
return pow_tab[cc + (cc < aa ? 1 : 0)];
}
#define ff_mult(a,b) (a && b ? f_mult(a, b) : 0)
#define f_rn(bo, bi, n, k) \
bo[n] = ft_tab[0][byte(bi[n],0)] ^ \
ft_tab[1][byte(bi[(n + 1) & 3],1)] ^ \
ft_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
ft_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n)
#define i_rn(bo, bi, n, k) \
bo[n] = it_tab[0][byte(bi[n],0)] ^ \
it_tab[1][byte(bi[(n + 3) & 3],1)] ^ \
it_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
it_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n)
#define ls_box(x) \
( fl_tab[0][byte(x, 0)] ^ \
fl_tab[1][byte(x, 1)] ^ \
fl_tab[2][byte(x, 2)] ^ \
fl_tab[3][byte(x, 3)] )
#define f_rl(bo, bi, n, k) \
bo[n] = fl_tab[0][byte(bi[n],0)] ^ \
fl_tab[1][byte(bi[(n + 1) & 3],1)] ^ \
fl_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
fl_tab[3][byte(bi[(n + 3) & 3],3)] ^ *(k + n)
#define i_rl(bo, bi, n, k) \
bo[n] = il_tab[0][byte(bi[n],0)] ^ \
il_tab[1][byte(bi[(n + 3) & 3],1)] ^ \
il_tab[2][byte(bi[(n + 2) & 3],2)] ^ \
il_tab[3][byte(bi[(n + 1) & 3],3)] ^ *(k + n)
static void
gen_tabs (void)
{
uint32_t i, t;
uint8_t p, q;
/* log and power tables for GF(2**8) finite field with
0x011b as modular polynomial - the simplest prmitive
root is 0x03, used here to generate the tables */
for (i = 0, p = 1; i < 256; ++i) {
pow_tab[i] = (uint8_t) p;
log_tab[p] = (uint8_t) i;
p ^= (p << 1) ^ (p & 0x80 ? 0x01b : 0);
}
log_tab[1] = 0;
for (i = 0, p = 1; i < 10; ++i) {
rco_tab[i] = p;
p = (p << 1) ^ (p & 0x80 ? 0x01b : 0);
}
for (i = 0; i < 256; ++i) {
p = (i ? pow_tab[255 - log_tab[i]] : 0);
q = ((p >> 7) | (p << 1)) ^ ((p >> 6) | (p << 2));
p ^= 0x63 ^ q ^ ((q >> 6) | (q << 2));
sbx_tab[i] = p;
isb_tab[p] = (uint8_t) i;
}
for (i = 0; i < 256; ++i) {
p = sbx_tab[i];
t = p;
fl_tab[0][i] = t;
fl_tab[1][i] = rotl (t, 8);
fl_tab[2][i] = rotl (t, 16);
fl_tab[3][i] = rotl (t, 24);
t = ((uint32_t) ff_mult (2, p)) |
((uint32_t) p << 8) |
((uint32_t) p << 16) | ((uint32_t) ff_mult (3, p) << 24);
ft_tab[0][i] = t;
ft_tab[1][i] = rotl (t, 8);
ft_tab[2][i] = rotl (t, 16);
ft_tab[3][i] = rotl (t, 24);
p = isb_tab[i];
t = p;
il_tab[0][i] = t;
il_tab[1][i] = rotl (t, 8);
il_tab[2][i] = rotl (t, 16);
il_tab[3][i] = rotl (t, 24);
t = ((uint32_t) ff_mult (14, p)) |
((uint32_t) ff_mult (9, p) << 8) |
((uint32_t) ff_mult (13, p) << 16) |
((uint32_t) ff_mult (11, p) << 24);
it_tab[0][i] = t;
it_tab[1][i] = rotl (t, 8);
it_tab[2][i] = rotl (t, 16);
it_tab[3][i] = rotl (t, 24);
}
}
#define star_x(x) (((x) & 0x7f7f7f7f) << 1) ^ ((((x) & 0x80808080) >> 7) * 0x1b)
#define imix_col(y,x) \
u = star_x(x); \
v = star_x(u); \
w = star_x(v); \
t = w ^ (x); \
(y) = u ^ v ^ w; \
(y) ^= rotr(u ^ t, 8) ^ \
rotr(v ^ t, 16) ^ \
rotr(t,24)
/* initialise the key schedule from the user supplied key */
#define loop4(i) \
{ t = rotr(t, 8); t = ls_box(t) ^ rco_tab[i]; \
t ^= E_KEY[4 * i]; E_KEY[4 * i + 4] = t; \
t ^= E_KEY[4 * i + 1]; E_KEY[4 * i + 5] = t; \
t ^= E_KEY[4 * i + 2]; E_KEY[4 * i + 6] = t; \
t ^= E_KEY[4 * i + 3]; E_KEY[4 * i + 7] = t; \
}
#define loop6(i) \
{ t = rotr(t, 8); t = ls_box(t) ^ rco_tab[i]; \
t ^= E_KEY[6 * i]; E_KEY[6 * i + 6] = t; \
t ^= E_KEY[6 * i + 1]; E_KEY[6 * i + 7] = t; \
t ^= E_KEY[6 * i + 2]; E_KEY[6 * i + 8] = t; \
t ^= E_KEY[6 * i + 3]; E_KEY[6 * i + 9] = t; \
t ^= E_KEY[6 * i + 4]; E_KEY[6 * i + 10] = t; \
t ^= E_KEY[6 * i + 5]; E_KEY[6 * i + 11] = t; \
}
#define loop8(i) \
{ t = rotr(t, 8); ; t = ls_box(t) ^ rco_tab[i]; \
t ^= E_KEY[8 * i]; E_KEY[8 * i + 8] = t; \
t ^= E_KEY[8 * i + 1]; E_KEY[8 * i + 9] = t; \
t ^= E_KEY[8 * i + 2]; E_KEY[8 * i + 10] = t; \
t ^= E_KEY[8 * i + 3]; E_KEY[8 * i + 11] = t; \
t = E_KEY[8 * i + 4] ^ ls_box(t); \
E_KEY[8 * i + 12] = t; \
t ^= E_KEY[8 * i + 5]; E_KEY[8 * i + 13] = t; \
t ^= E_KEY[8 * i + 6]; E_KEY[8 * i + 14] = t; \
t ^= E_KEY[8 * i + 7]; E_KEY[8 * i + 15] = t; \
}
/* Tells whether the ACE is capable to generate
the extended key for a given key_len. */
static inline int
@ -321,17 +87,13 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
struct aes_ctx *ctx = aes_ctx(tfm);
const __le32 *key = (const __le32 *)in_key;
u32 *flags = &tfm->crt_flags;
uint32_t i, t, u, v, w;
uint32_t P[AES_EXTENDED_KEY_SIZE];
uint32_t rounds;
struct crypto_aes_ctx gen_aes;
if (key_len % 8) {
*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
ctx->key_length = key_len;
/*
* If the hardware is capable of generating the extended key
* itself we must supply the plain key for both encryption
@ -339,10 +101,10 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
*/
ctx->D = ctx->E;
E_KEY[0] = le32_to_cpu(key[0]);
E_KEY[1] = le32_to_cpu(key[1]);
E_KEY[2] = le32_to_cpu(key[2]);
E_KEY[3] = le32_to_cpu(key[3]);
ctx->E[0] = le32_to_cpu(key[0]);
ctx->E[1] = le32_to_cpu(key[1]);
ctx->E[2] = le32_to_cpu(key[2]);
ctx->E[3] = le32_to_cpu(key[3]);
/* Prepare control words. */
memset(&ctx->cword, 0, sizeof(ctx->cword));
@ -361,56 +123,13 @@ static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
ctx->cword.encrypt.keygen = 1;
ctx->cword.decrypt.keygen = 1;
switch (key_len) {
case 16:
t = E_KEY[3];
for (i = 0; i < 10; ++i)
loop4 (i);
break;
case 24:
E_KEY[4] = le32_to_cpu(key[4]);
t = E_KEY[5] = le32_to_cpu(key[5]);
for (i = 0; i < 8; ++i)
loop6 (i);
break;
case 32:
E_KEY[4] = le32_to_cpu(key[4]);
E_KEY[5] = le32_to_cpu(key[5]);
E_KEY[6] = le32_to_cpu(key[6]);
t = E_KEY[7] = le32_to_cpu(key[7]);
for (i = 0; i < 7; ++i)
loop8 (i);
break;
if (crypto_aes_expand_key(&gen_aes, in_key, key_len)) {
*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
D_KEY[0] = E_KEY[0];
D_KEY[1] = E_KEY[1];
D_KEY[2] = E_KEY[2];
D_KEY[3] = E_KEY[3];
for (i = 4; i < key_len + 24; ++i) {
imix_col (D_KEY[i], E_KEY[i]);
}
/* PadLock needs a different format of the decryption key. */
rounds = 10 + (key_len - 16) / 4;
for (i = 0; i < rounds; i++) {
P[((i + 1) * 4) + 0] = D_KEY[((rounds - i - 1) * 4) + 0];
P[((i + 1) * 4) + 1] = D_KEY[((rounds - i - 1) * 4) + 1];
P[((i + 1) * 4) + 2] = D_KEY[((rounds - i - 1) * 4) + 2];
P[((i + 1) * 4) + 3] = D_KEY[((rounds - i - 1) * 4) + 3];
}
P[0] = E_KEY[(rounds * 4) + 0];
P[1] = E_KEY[(rounds * 4) + 1];
P[2] = E_KEY[(rounds * 4) + 2];
P[3] = E_KEY[(rounds * 4) + 3];
memcpy(D_KEY, P, AES_EXTENDED_KEY_SIZE_B);
memcpy(ctx->E, gen_aes.key_enc, AES_MAX_KEYLENGTH);
memcpy(ctx->D, gen_aes.key_dec, AES_MAX_KEYLENGTH);
return 0;
}
@ -675,7 +394,6 @@ static int __init padlock_init(void)
return -ENODEV;
}
gen_tabs();
if ((ret = crypto_register_alg(&aes_alg)))
goto aes_err;

8
include/crypto/aes.h
View File

@ -14,11 +14,13 @@
#define AES_KEYSIZE_192 24
#define AES_KEYSIZE_256 32
#define AES_BLOCK_SIZE 16
#define AES_MAX_KEYLENGTH (15 * 16)
#define AES_MAX_KEYLENGTH_U32 (AES_MAX_KEYLENGTH / sizeof(u32))
struct crypto_aes_ctx {
u32 key_length;
u32 key_enc[60];
u32 key_dec[60];
u32 key_enc[AES_MAX_KEYLENGTH_U32];
u32 key_dec[AES_MAX_KEYLENGTH_U32];
};
extern u32 crypto_ft_tab[4][256];
@ -28,4 +30,6 @@ extern u32 crypto_il_tab[4][256];
int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
unsigned int key_len);
int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
unsigned int key_len);
#endif

7
include/linux/crypto.h
View File

@ -317,14 +317,7 @@ int crypto_unregister_alg(struct crypto_alg *alg);
/*
* Algorithm query interface.
*/
#ifdef CONFIG_CRYPTO
int crypto_has_alg(const char *name, u32 type, u32 mask);
#else
static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
{
return 0;
}
#endif
/*
* Transforms: user-instantiated objects which encapsulate algorithms