33 lines
832 B
C
33 lines
832 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* Cryptographic API.
|
|
*
|
|
* s390 generic implementation of the SHA Secure Hash Algorithms.
|
|
*
|
|
* Copyright IBM Corp. 2007
|
|
* Author(s): Jan Glauber (jang@de.ibm.com)
|
|
*/
|
|
#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 (SHA512_DIGEST_SIZE / 4)
|
|
#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 */
|
|
};
|
|
|
|
struct shash_desc;
|
|
|
|
int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len);
|
|
int s390_sha_final(struct shash_desc *desc, u8 *out);
|
|
|
|
#endif
|