1153 lines
35 KiB
C
1153 lines
35 KiB
C
/*
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* zcrypt 2.1.0
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*
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* Copyright IBM Corp. 2001, 2012
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* Author(s): Robert Burroughs
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* Eric Rossman (edrossma@us.ibm.com)
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*
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* Hotplug & misc device support: Jochen Roehrig (roehrig@de.ibm.com)
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* Major cleanup & driver split: Martin Schwidefsky <schwidefsky@de.ibm.com>
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* Ralph Wuerthner <rwuerthn@de.ibm.com>
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* MSGTYPE restruct: Holger Dengler <hd@linux.vnet.ibm.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define KMSG_COMPONENT "zcrypt"
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#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/err.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/atomic.h>
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#include <linux/uaccess.h>
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#include "ap_bus.h"
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#include "zcrypt_api.h"
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#include "zcrypt_error.h"
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#include "zcrypt_msgtype6.h"
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#include "zcrypt_cca_key.h"
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#define PCIXCC_MIN_MOD_SIZE_OLD 64 /* 512 bits */
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#define PCIXCC_MAX_ICA_RESPONSE_SIZE 0x77c /* max size type86 v2 reply */
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#define CEIL4(x) ((((x)+3)/4)*4)
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struct response_type {
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struct completion work;
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int type;
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};
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#define PCIXCC_RESPONSE_TYPE_ICA 0
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#define PCIXCC_RESPONSE_TYPE_XCRB 1
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#define PCIXCC_RESPONSE_TYPE_EP11 2
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MODULE_AUTHOR("IBM Corporation");
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MODULE_DESCRIPTION("Cryptographic Coprocessor (message type 6), " \
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"Copyright IBM Corp. 2001, 2012");
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MODULE_LICENSE("GPL");
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static void zcrypt_msgtype6_receive(struct ap_device *, struct ap_message *,
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struct ap_message *);
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/**
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* CPRB
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* Note that all shorts, ints and longs are little-endian.
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* All pointer fields are 32-bits long, and mean nothing
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*
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* A request CPRB is followed by a request_parameter_block.
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*
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* The request (or reply) parameter block is organized thus:
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* function code
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* VUD block
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* key block
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*/
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struct CPRB {
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unsigned short cprb_len; /* CPRB length */
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unsigned char cprb_ver_id; /* CPRB version id. */
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unsigned char pad_000; /* Alignment pad byte. */
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unsigned char srpi_rtcode[4]; /* SRPI return code LELONG */
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unsigned char srpi_verb; /* SRPI verb type */
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unsigned char flags; /* flags */
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unsigned char func_id[2]; /* function id */
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unsigned char checkpoint_flag; /* */
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unsigned char resv2; /* reserved */
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unsigned short req_parml; /* request parameter buffer */
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/* length 16-bit little endian */
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unsigned char req_parmp[4]; /* request parameter buffer *
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* pointer (means nothing: the *
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* parameter buffer follows *
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* the CPRB). */
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unsigned char req_datal[4]; /* request data buffer */
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/* length ULELONG */
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unsigned char req_datap[4]; /* request data buffer */
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/* pointer */
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unsigned short rpl_parml; /* reply parameter buffer */
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/* length 16-bit little endian */
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unsigned char pad_001[2]; /* Alignment pad bytes. ULESHORT */
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unsigned char rpl_parmp[4]; /* reply parameter buffer *
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* pointer (means nothing: the *
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* parameter buffer follows *
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* the CPRB). */
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unsigned char rpl_datal[4]; /* reply data buffer len ULELONG */
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unsigned char rpl_datap[4]; /* reply data buffer */
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/* pointer */
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unsigned short ccp_rscode; /* server reason code ULESHORT */
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unsigned short ccp_rtcode; /* server return code ULESHORT */
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unsigned char repd_parml[2]; /* replied parameter len ULESHORT*/
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unsigned char mac_data_len[2]; /* Mac Data Length ULESHORT */
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unsigned char repd_datal[4]; /* replied data length ULELONG */
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unsigned char req_pc[2]; /* PC identifier */
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unsigned char res_origin[8]; /* resource origin */
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unsigned char mac_value[8]; /* Mac Value */
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unsigned char logon_id[8]; /* Logon Identifier */
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unsigned char usage_domain[2]; /* cdx */
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unsigned char resv3[18]; /* reserved for requestor */
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unsigned short svr_namel; /* server name length ULESHORT */
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unsigned char svr_name[8]; /* server name */
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} __packed;
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struct function_and_rules_block {
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unsigned char function_code[2];
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unsigned short ulen;
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unsigned char only_rule[8];
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} __packed;
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/**
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* The following is used to initialize the CPRBX passed to the PCIXCC/CEX2C
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* card in a type6 message. The 3 fields that must be filled in at execution
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* time are req_parml, rpl_parml and usage_domain.
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* Everything about this interface is ascii/big-endian, since the
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* device does *not* have 'Intel inside'.
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*
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* The CPRBX is followed immediately by the parm block.
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* The parm block contains:
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* - function code ('PD' 0x5044 or 'PK' 0x504B)
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* - rule block (one of:)
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* + 0x000A 'PKCS-1.2' (MCL2 'PD')
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* + 0x000A 'ZERO-PAD' (MCL2 'PK')
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* + 0x000A 'ZERO-PAD' (MCL3 'PD' or CEX2C 'PD')
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* + 0x000A 'MRP ' (MCL3 'PK' or CEX2C 'PK')
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* - VUD block
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*/
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static struct CPRBX static_cprbx = {
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.cprb_len = 0x00DC,
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.cprb_ver_id = 0x02,
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.func_id = {0x54, 0x32},
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};
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/**
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* Convert a ICAMEX message to a type6 MEX message.
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*
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* @zdev: crypto device pointer
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* @ap_msg: pointer to AP message
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* @mex: pointer to user input data
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*
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* Returns 0 on success or -EFAULT.
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*/
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static int ICAMEX_msg_to_type6MEX_msgX(struct zcrypt_device *zdev,
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struct ap_message *ap_msg,
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struct ica_rsa_modexpo *mex)
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{
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static struct type6_hdr static_type6_hdrX = {
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.type = 0x06,
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.offset1 = 0x00000058,
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.agent_id = {'C', 'A',},
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.function_code = {'P', 'K'},
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};
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static struct function_and_rules_block static_pke_fnr = {
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.function_code = {'P', 'K'},
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.ulen = 10,
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.only_rule = {'M', 'R', 'P', ' ', ' ', ' ', ' ', ' '}
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};
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static struct function_and_rules_block static_pke_fnr_MCL2 = {
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.function_code = {'P', 'K'},
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.ulen = 10,
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.only_rule = {'Z', 'E', 'R', 'O', '-', 'P', 'A', 'D'}
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};
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struct {
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struct type6_hdr hdr;
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struct CPRBX cprbx;
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struct function_and_rules_block fr;
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unsigned short length;
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char text[0];
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} __packed * msg = ap_msg->message;
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int size;
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/* VUD.ciphertext */
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msg->length = mex->inputdatalength + 2;
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if (copy_from_user(msg->text, mex->inputdata, mex->inputdatalength))
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return -EFAULT;
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/* Set up key which is located after the variable length text. */
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size = zcrypt_type6_mex_key_en(mex, msg->text+mex->inputdatalength, 1);
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if (size < 0)
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return size;
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size += sizeof(*msg) + mex->inputdatalength;
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/* message header, cprbx and f&r */
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msg->hdr = static_type6_hdrX;
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msg->hdr.ToCardLen1 = size - sizeof(msg->hdr);
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msg->hdr.FromCardLen1 = PCIXCC_MAX_ICA_RESPONSE_SIZE - sizeof(msg->hdr);
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msg->cprbx = static_cprbx;
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msg->cprbx.domain = AP_QID_QUEUE(zdev->ap_dev->qid);
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msg->cprbx.rpl_msgbl = msg->hdr.FromCardLen1;
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msg->fr = (zdev->user_space_type == ZCRYPT_PCIXCC_MCL2) ?
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static_pke_fnr_MCL2 : static_pke_fnr;
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msg->cprbx.req_parml = size - sizeof(msg->hdr) - sizeof(msg->cprbx);
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ap_msg->length = size;
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return 0;
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}
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/**
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* Convert a ICACRT message to a type6 CRT message.
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*
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* @zdev: crypto device pointer
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* @ap_msg: pointer to AP message
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* @crt: pointer to user input data
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*
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* Returns 0 on success or -EFAULT.
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*/
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static int ICACRT_msg_to_type6CRT_msgX(struct zcrypt_device *zdev,
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struct ap_message *ap_msg,
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struct ica_rsa_modexpo_crt *crt)
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{
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static struct type6_hdr static_type6_hdrX = {
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.type = 0x06,
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.offset1 = 0x00000058,
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.agent_id = {'C', 'A',},
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.function_code = {'P', 'D'},
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};
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static struct function_and_rules_block static_pkd_fnr = {
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.function_code = {'P', 'D'},
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.ulen = 10,
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.only_rule = {'Z', 'E', 'R', 'O', '-', 'P', 'A', 'D'}
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};
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static struct function_and_rules_block static_pkd_fnr_MCL2 = {
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.function_code = {'P', 'D'},
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.ulen = 10,
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.only_rule = {'P', 'K', 'C', 'S', '-', '1', '.', '2'}
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};
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struct {
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struct type6_hdr hdr;
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struct CPRBX cprbx;
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struct function_and_rules_block fr;
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unsigned short length;
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char text[0];
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} __packed * msg = ap_msg->message;
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int size;
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/* VUD.ciphertext */
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msg->length = crt->inputdatalength + 2;
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if (copy_from_user(msg->text, crt->inputdata, crt->inputdatalength))
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return -EFAULT;
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/* Set up key which is located after the variable length text. */
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size = zcrypt_type6_crt_key(crt, msg->text + crt->inputdatalength, 1);
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if (size < 0)
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return size;
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size += sizeof(*msg) + crt->inputdatalength; /* total size of msg */
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/* message header, cprbx and f&r */
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msg->hdr = static_type6_hdrX;
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msg->hdr.ToCardLen1 = size - sizeof(msg->hdr);
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msg->hdr.FromCardLen1 = PCIXCC_MAX_ICA_RESPONSE_SIZE - sizeof(msg->hdr);
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msg->cprbx = static_cprbx;
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msg->cprbx.domain = AP_QID_QUEUE(zdev->ap_dev->qid);
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msg->cprbx.req_parml = msg->cprbx.rpl_msgbl =
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size - sizeof(msg->hdr) - sizeof(msg->cprbx);
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msg->fr = (zdev->user_space_type == ZCRYPT_PCIXCC_MCL2) ?
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static_pkd_fnr_MCL2 : static_pkd_fnr;
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ap_msg->length = size;
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return 0;
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}
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/**
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* Convert a XCRB message to a type6 CPRB message.
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*
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* @zdev: crypto device pointer
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* @ap_msg: pointer to AP message
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* @xcRB: pointer to user input data
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*
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* Returns 0 on success or -EFAULT, -EINVAL.
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*/
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struct type86_fmt2_msg {
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struct type86_hdr hdr;
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struct type86_fmt2_ext fmt2;
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} __packed;
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static int XCRB_msg_to_type6CPRB_msgX(struct zcrypt_device *zdev,
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struct ap_message *ap_msg,
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struct ica_xcRB *xcRB)
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{
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static struct type6_hdr static_type6_hdrX = {
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.type = 0x06,
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.offset1 = 0x00000058,
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};
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struct {
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struct type6_hdr hdr;
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struct CPRBX cprbx;
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} __packed * msg = ap_msg->message;
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int rcblen = CEIL4(xcRB->request_control_blk_length);
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int replylen, req_sumlen, resp_sumlen;
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char *req_data = ap_msg->message + sizeof(struct type6_hdr) + rcblen;
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char *function_code;
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if (CEIL4(xcRB->request_control_blk_length) <
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xcRB->request_control_blk_length)
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return -EINVAL; /* overflow after alignment*/
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/* length checks */
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ap_msg->length = sizeof(struct type6_hdr) +
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CEIL4(xcRB->request_control_blk_length) +
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xcRB->request_data_length;
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if (ap_msg->length > MSGTYPE06_MAX_MSG_SIZE)
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return -EINVAL;
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/* Overflow check
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sum must be greater (or equal) than the largest operand */
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req_sumlen = CEIL4(xcRB->request_control_blk_length) +
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xcRB->request_data_length;
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if ((CEIL4(xcRB->request_control_blk_length) <=
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xcRB->request_data_length) ?
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(req_sumlen < xcRB->request_data_length) :
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(req_sumlen < CEIL4(xcRB->request_control_blk_length))) {
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return -EINVAL;
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}
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if (CEIL4(xcRB->reply_control_blk_length) <
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xcRB->reply_control_blk_length)
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return -EINVAL; /* overflow after alignment*/
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replylen = sizeof(struct type86_fmt2_msg) +
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CEIL4(xcRB->reply_control_blk_length) +
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xcRB->reply_data_length;
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if (replylen > MSGTYPE06_MAX_MSG_SIZE)
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return -EINVAL;
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/* Overflow check
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sum must be greater (or equal) than the largest operand */
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resp_sumlen = CEIL4(xcRB->reply_control_blk_length) +
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xcRB->reply_data_length;
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if ((CEIL4(xcRB->reply_control_blk_length) <= xcRB->reply_data_length) ?
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(resp_sumlen < xcRB->reply_data_length) :
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(resp_sumlen < CEIL4(xcRB->reply_control_blk_length))) {
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return -EINVAL;
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}
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/* prepare type6 header */
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msg->hdr = static_type6_hdrX;
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memcpy(msg->hdr.agent_id , &(xcRB->agent_ID), sizeof(xcRB->agent_ID));
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msg->hdr.ToCardLen1 = xcRB->request_control_blk_length;
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if (xcRB->request_data_length) {
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msg->hdr.offset2 = msg->hdr.offset1 + rcblen;
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msg->hdr.ToCardLen2 = xcRB->request_data_length;
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}
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msg->hdr.FromCardLen1 = xcRB->reply_control_blk_length;
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msg->hdr.FromCardLen2 = xcRB->reply_data_length;
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/* prepare CPRB */
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if (copy_from_user(&(msg->cprbx), xcRB->request_control_blk_addr,
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xcRB->request_control_blk_length))
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return -EFAULT;
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if (msg->cprbx.cprb_len + sizeof(msg->hdr.function_code) >
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xcRB->request_control_blk_length)
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return -EINVAL;
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function_code = ((unsigned char *)&msg->cprbx) + msg->cprbx.cprb_len;
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memcpy(msg->hdr.function_code, function_code,
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sizeof(msg->hdr.function_code));
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if (memcmp(function_code, "US", 2) == 0)
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ap_msg->special = 1;
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else
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ap_msg->special = 0;
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/* copy data block */
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if (xcRB->request_data_length &&
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copy_from_user(req_data, xcRB->request_data_address,
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xcRB->request_data_length))
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return -EFAULT;
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return 0;
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}
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static int xcrb_msg_to_type6_ep11cprb_msgx(struct zcrypt_device *zdev,
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struct ap_message *ap_msg,
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struct ep11_urb *xcRB)
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{
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unsigned int lfmt;
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static struct type6_hdr static_type6_ep11_hdr = {
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.type = 0x06,
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.rqid = {0x00, 0x01},
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.function_code = {0x00, 0x00},
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.agent_id[0] = 0x58, /* {'X'} */
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.agent_id[1] = 0x43, /* {'C'} */
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.offset1 = 0x00000058,
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};
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struct {
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struct type6_hdr hdr;
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struct ep11_cprb cprbx;
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unsigned char pld_tag; /* fixed value 0x30 */
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unsigned char pld_lenfmt; /* payload length format */
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} __packed * msg = ap_msg->message;
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|
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struct pld_hdr {
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unsigned char func_tag; /* fixed value 0x4 */
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unsigned char func_len; /* fixed value 0x4 */
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unsigned int func_val; /* function ID */
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unsigned char dom_tag; /* fixed value 0x4 */
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unsigned char dom_len; /* fixed value 0x4 */
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unsigned int dom_val; /* domain id */
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} __packed * payload_hdr;
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if (CEIL4(xcRB->req_len) < xcRB->req_len)
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return -EINVAL; /* overflow after alignment*/
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|
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/* length checks */
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ap_msg->length = sizeof(struct type6_hdr) + xcRB->req_len;
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if (CEIL4(xcRB->req_len) > MSGTYPE06_MAX_MSG_SIZE -
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(sizeof(struct type6_hdr)))
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return -EINVAL;
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if (CEIL4(xcRB->resp_len) < xcRB->resp_len)
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return -EINVAL; /* overflow after alignment*/
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if (CEIL4(xcRB->resp_len) > MSGTYPE06_MAX_MSG_SIZE -
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(sizeof(struct type86_fmt2_msg)))
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return -EINVAL;
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/* prepare type6 header */
|
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msg->hdr = static_type6_ep11_hdr;
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msg->hdr.ToCardLen1 = xcRB->req_len;
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msg->hdr.FromCardLen1 = xcRB->resp_len;
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|
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/* Import CPRB data from the ioctl input parameter */
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if (copy_from_user(&(msg->cprbx.cprb_len),
|
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(char __force __user *)xcRB->req, xcRB->req_len)) {
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return -EFAULT;
|
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}
|
|
|
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/*
|
|
The target domain field within the cprb body/payload block will be
|
|
replaced by the usage domain for non-management commands only.
|
|
Therefore we check the first bit of the 'flags' parameter for
|
|
management command indication.
|
|
0 - non management command
|
|
1 - management command
|
|
*/
|
|
if (!((msg->cprbx.flags & 0x80) == 0x80)) {
|
|
msg->cprbx.target_id = (unsigned int)
|
|
AP_QID_QUEUE(zdev->ap_dev->qid);
|
|
|
|
if ((msg->pld_lenfmt & 0x80) == 0x80) { /*ext.len.fmt 2 or 3*/
|
|
switch (msg->pld_lenfmt & 0x03) {
|
|
case 1:
|
|
lfmt = 2;
|
|
break;
|
|
case 2:
|
|
lfmt = 3;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
} else {
|
|
lfmt = 1; /* length format #1 */
|
|
}
|
|
payload_hdr = (struct pld_hdr *)((&(msg->pld_lenfmt))+lfmt);
|
|
payload_hdr->dom_val = (unsigned int)
|
|
AP_QID_QUEUE(zdev->ap_dev->qid);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Copy results from a type 86 ICA reply message back to user space.
|
|
*
|
|
* @zdev: crypto device pointer
|
|
* @reply: reply AP message.
|
|
* @data: pointer to user output data
|
|
* @length: size of user output data
|
|
*
|
|
* Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
|
|
*/
|
|
struct type86x_reply {
|
|
struct type86_hdr hdr;
|
|
struct type86_fmt2_ext fmt2;
|
|
struct CPRBX cprbx;
|
|
unsigned char pad[4]; /* 4 byte function code/rules block ? */
|
|
unsigned short length;
|
|
char text[0];
|
|
} __packed;
|
|
|
|
struct type86_ep11_reply {
|
|
struct type86_hdr hdr;
|
|
struct type86_fmt2_ext fmt2;
|
|
struct ep11_cprb cprbx;
|
|
} __packed;
|
|
|
|
static int convert_type86_ica(struct zcrypt_device *zdev,
|
|
struct ap_message *reply,
|
|
char __user *outputdata,
|
|
unsigned int outputdatalength)
|
|
{
|
|
static unsigned char static_pad[] = {
|
|
0x00, 0x02,
|
|
0x1B, 0x7B, 0x5D, 0xB5, 0x75, 0x01, 0x3D, 0xFD,
|
|
0x8D, 0xD1, 0xC7, 0x03, 0x2D, 0x09, 0x23, 0x57,
|
|
0x89, 0x49, 0xB9, 0x3F, 0xBB, 0x99, 0x41, 0x5B,
|
|
0x75, 0x21, 0x7B, 0x9D, 0x3B, 0x6B, 0x51, 0x39,
|
|
0xBB, 0x0D, 0x35, 0xB9, 0x89, 0x0F, 0x93, 0xA5,
|
|
0x0B, 0x47, 0xF1, 0xD3, 0xBB, 0xCB, 0xF1, 0x9D,
|
|
0x23, 0x73, 0x71, 0xFF, 0xF3, 0xF5, 0x45, 0xFB,
|
|
0x61, 0x29, 0x23, 0xFD, 0xF1, 0x29, 0x3F, 0x7F,
|
|
0x17, 0xB7, 0x1B, 0xA9, 0x19, 0xBD, 0x57, 0xA9,
|
|
0xD7, 0x95, 0xA3, 0xCB, 0xED, 0x1D, 0xDB, 0x45,
|
|
0x7D, 0x11, 0xD1, 0x51, 0x1B, 0xED, 0x71, 0xE9,
|
|
0xB1, 0xD1, 0xAB, 0xAB, 0x21, 0x2B, 0x1B, 0x9F,
|
|
0x3B, 0x9F, 0xF7, 0xF7, 0xBD, 0x63, 0xEB, 0xAD,
|
|
0xDF, 0xB3, 0x6F, 0x5B, 0xDB, 0x8D, 0xA9, 0x5D,
|
|
0xE3, 0x7D, 0x77, 0x49, 0x47, 0xF5, 0xA7, 0xFD,
|
|
0xAB, 0x2F, 0x27, 0x35, 0x77, 0xD3, 0x49, 0xC9,
|
|
0x09, 0xEB, 0xB1, 0xF9, 0xBF, 0x4B, 0xCB, 0x2B,
|
|
0xEB, 0xEB, 0x05, 0xFF, 0x7D, 0xC7, 0x91, 0x8B,
|
|
0x09, 0x83, 0xB9, 0xB9, 0x69, 0x33, 0x39, 0x6B,
|
|
0x79, 0x75, 0x19, 0xBF, 0xBB, 0x07, 0x1D, 0xBD,
|
|
0x29, 0xBF, 0x39, 0x95, 0x93, 0x1D, 0x35, 0xC7,
|
|
0xC9, 0x4D, 0xE5, 0x97, 0x0B, 0x43, 0x9B, 0xF1,
|
|
0x16, 0x93, 0x03, 0x1F, 0xA5, 0xFB, 0xDB, 0xF3,
|
|
0x27, 0x4F, 0x27, 0x61, 0x05, 0x1F, 0xB9, 0x23,
|
|
0x2F, 0xC3, 0x81, 0xA9, 0x23, 0x71, 0x55, 0x55,
|
|
0xEB, 0xED, 0x41, 0xE5, 0xF3, 0x11, 0xF1, 0x43,
|
|
0x69, 0x03, 0xBD, 0x0B, 0x37, 0x0F, 0x51, 0x8F,
|
|
0x0B, 0xB5, 0x89, 0x5B, 0x67, 0xA9, 0xD9, 0x4F,
|
|
0x01, 0xF9, 0x21, 0x77, 0x37, 0x73, 0x79, 0xC5,
|
|
0x7F, 0x51, 0xC1, 0xCF, 0x97, 0xA1, 0x75, 0xAD,
|
|
0x35, 0x9D, 0xD3, 0xD3, 0xA7, 0x9D, 0x5D, 0x41,
|
|
0x6F, 0x65, 0x1B, 0xCF, 0xA9, 0x87, 0x91, 0x09
|
|
};
|
|
struct type86x_reply *msg = reply->message;
|
|
unsigned short service_rc, service_rs;
|
|
unsigned int reply_len, pad_len;
|
|
char *data;
|
|
|
|
service_rc = msg->cprbx.ccp_rtcode;
|
|
if (unlikely(service_rc != 0)) {
|
|
service_rs = msg->cprbx.ccp_rscode;
|
|
if (service_rc == 8 && service_rs == 66)
|
|
return -EINVAL;
|
|
if (service_rc == 8 && service_rs == 65)
|
|
return -EINVAL;
|
|
if (service_rc == 8 && service_rs == 770)
|
|
return -EINVAL;
|
|
if (service_rc == 8 && service_rs == 783) {
|
|
zdev->min_mod_size = PCIXCC_MIN_MOD_SIZE_OLD;
|
|
return -EAGAIN;
|
|
}
|
|
if (service_rc == 12 && service_rs == 769)
|
|
return -EINVAL;
|
|
if (service_rc == 8 && service_rs == 72)
|
|
return -EINVAL;
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
zdev->ap_dev->qid);
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%drc%d",
|
|
zdev->ap_dev->qid, zdev->online,
|
|
msg->hdr.reply_code);
|
|
return -EAGAIN; /* repeat the request on a different device. */
|
|
}
|
|
data = msg->text;
|
|
reply_len = msg->length - 2;
|
|
if (reply_len > outputdatalength)
|
|
return -EINVAL;
|
|
/*
|
|
* For all encipher requests, the length of the ciphertext (reply_len)
|
|
* will always equal the modulus length. For MEX decipher requests
|
|
* the output needs to get padded. Minimum pad size is 10.
|
|
*
|
|
* Currently, the cases where padding will be added is for:
|
|
* - PCIXCC_MCL2 using a CRT form token (since PKD didn't support
|
|
* ZERO-PAD and CRT is only supported for PKD requests)
|
|
* - PCICC, always
|
|
*/
|
|
pad_len = outputdatalength - reply_len;
|
|
if (pad_len > 0) {
|
|
if (pad_len < 10)
|
|
return -EINVAL;
|
|
/* 'restore' padding left in the PCICC/PCIXCC card. */
|
|
if (copy_to_user(outputdata, static_pad, pad_len - 1))
|
|
return -EFAULT;
|
|
if (put_user(0, outputdata + pad_len - 1))
|
|
return -EFAULT;
|
|
}
|
|
/* Copy the crypto response to user space. */
|
|
if (copy_to_user(outputdata + pad_len, data, reply_len))
|
|
return -EFAULT;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Copy results from a type 86 XCRB reply message back to user space.
|
|
*
|
|
* @zdev: crypto device pointer
|
|
* @reply: reply AP message.
|
|
* @xcRB: pointer to XCRB
|
|
*
|
|
* Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
|
|
*/
|
|
static int convert_type86_xcrb(struct zcrypt_device *zdev,
|
|
struct ap_message *reply,
|
|
struct ica_xcRB *xcRB)
|
|
{
|
|
struct type86_fmt2_msg *msg = reply->message;
|
|
char *data = reply->message;
|
|
|
|
/* Copy CPRB to user */
|
|
if (copy_to_user(xcRB->reply_control_blk_addr,
|
|
data + msg->fmt2.offset1, msg->fmt2.count1))
|
|
return -EFAULT;
|
|
xcRB->reply_control_blk_length = msg->fmt2.count1;
|
|
|
|
/* Copy data buffer to user */
|
|
if (msg->fmt2.count2)
|
|
if (copy_to_user(xcRB->reply_data_addr,
|
|
data + msg->fmt2.offset2, msg->fmt2.count2))
|
|
return -EFAULT;
|
|
xcRB->reply_data_length = msg->fmt2.count2;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* Copy results from a type 86 EP11 XCRB reply message back to user space.
|
|
*
|
|
* @zdev: crypto device pointer
|
|
* @reply: reply AP message.
|
|
* @xcRB: pointer to EP11 user request block
|
|
*
|
|
* Returns 0 on success or -EINVAL, -EFAULT, -EAGAIN in case of an error.
|
|
*/
|
|
static int convert_type86_ep11_xcrb(struct zcrypt_device *zdev,
|
|
struct ap_message *reply,
|
|
struct ep11_urb *xcRB)
|
|
{
|
|
struct type86_fmt2_msg *msg = reply->message;
|
|
char *data = reply->message;
|
|
|
|
if (xcRB->resp_len < msg->fmt2.count1)
|
|
return -EINVAL;
|
|
|
|
/* Copy response CPRB to user */
|
|
if (copy_to_user((char __force __user *)xcRB->resp,
|
|
data + msg->fmt2.offset1, msg->fmt2.count1))
|
|
return -EFAULT;
|
|
xcRB->resp_len = msg->fmt2.count1;
|
|
return 0;
|
|
}
|
|
|
|
static int convert_type86_rng(struct zcrypt_device *zdev,
|
|
struct ap_message *reply,
|
|
char *buffer)
|
|
{
|
|
struct {
|
|
struct type86_hdr hdr;
|
|
struct type86_fmt2_ext fmt2;
|
|
struct CPRBX cprbx;
|
|
} __packed * msg = reply->message;
|
|
char *data = reply->message;
|
|
|
|
if (msg->cprbx.ccp_rtcode != 0 || msg->cprbx.ccp_rscode != 0)
|
|
return -EINVAL;
|
|
memcpy(buffer, data + msg->fmt2.offset2, msg->fmt2.count2);
|
|
return msg->fmt2.count2;
|
|
}
|
|
|
|
static int convert_response_ica(struct zcrypt_device *zdev,
|
|
struct ap_message *reply,
|
|
char __user *outputdata,
|
|
unsigned int outputdatalength)
|
|
{
|
|
struct type86x_reply *msg = reply->message;
|
|
|
|
/* Response type byte is the second byte in the response. */
|
|
switch (((unsigned char *) reply->message)[1]) {
|
|
case TYPE82_RSP_CODE:
|
|
case TYPE88_RSP_CODE:
|
|
return convert_error(zdev, reply);
|
|
case TYPE86_RSP_CODE:
|
|
if (msg->cprbx.ccp_rtcode &&
|
|
(msg->cprbx.ccp_rscode == 0x14f) &&
|
|
(outputdatalength > 256)) {
|
|
if (zdev->max_exp_bit_length <= 17) {
|
|
zdev->max_exp_bit_length = 17;
|
|
return -EAGAIN;
|
|
} else
|
|
return -EINVAL;
|
|
}
|
|
if (msg->hdr.reply_code)
|
|
return convert_error(zdev, reply);
|
|
if (msg->cprbx.cprb_ver_id == 0x02)
|
|
return convert_type86_ica(zdev, reply,
|
|
outputdata, outputdatalength);
|
|
/* Fall through, no break, incorrect cprb version is an unknown
|
|
* response */
|
|
default: /* Unknown response type, this should NEVER EVER happen */
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
zdev->ap_dev->qid);
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
|
|
zdev->ap_dev->qid, zdev->online);
|
|
return -EAGAIN; /* repeat the request on a different device. */
|
|
}
|
|
}
|
|
|
|
static int convert_response_xcrb(struct zcrypt_device *zdev,
|
|
struct ap_message *reply,
|
|
struct ica_xcRB *xcRB)
|
|
{
|
|
struct type86x_reply *msg = reply->message;
|
|
|
|
/* Response type byte is the second byte in the response. */
|
|
switch (((unsigned char *) reply->message)[1]) {
|
|
case TYPE82_RSP_CODE:
|
|
case TYPE88_RSP_CODE:
|
|
xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
|
|
return convert_error(zdev, reply);
|
|
case TYPE86_RSP_CODE:
|
|
if (msg->hdr.reply_code) {
|
|
memcpy(&(xcRB->status), msg->fmt2.apfs, sizeof(u32));
|
|
return convert_error(zdev, reply);
|
|
}
|
|
if (msg->cprbx.cprb_ver_id == 0x02)
|
|
return convert_type86_xcrb(zdev, reply, xcRB);
|
|
/* Fall through, no break, incorrect cprb version is an unknown
|
|
* response */
|
|
default: /* Unknown response type, this should NEVER EVER happen */
|
|
xcRB->status = 0x0008044DL; /* HDD_InvalidParm */
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
zdev->ap_dev->qid);
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
|
|
zdev->ap_dev->qid, zdev->online);
|
|
return -EAGAIN; /* repeat the request on a different device. */
|
|
}
|
|
}
|
|
|
|
static int convert_response_ep11_xcrb(struct zcrypt_device *zdev,
|
|
struct ap_message *reply, struct ep11_urb *xcRB)
|
|
{
|
|
struct type86_ep11_reply *msg = reply->message;
|
|
|
|
/* Response type byte is the second byte in the response. */
|
|
switch (((unsigned char *)reply->message)[1]) {
|
|
case TYPE82_RSP_CODE:
|
|
case TYPE87_RSP_CODE:
|
|
return convert_error(zdev, reply);
|
|
case TYPE86_RSP_CODE:
|
|
if (msg->hdr.reply_code)
|
|
return convert_error(zdev, reply);
|
|
if (msg->cprbx.cprb_ver_id == 0x04)
|
|
return convert_type86_ep11_xcrb(zdev, reply, xcRB);
|
|
/* Fall through, no break, incorrect cprb version is an unknown resp.*/
|
|
default: /* Unknown response type, this should NEVER EVER happen */
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
zdev->ap_dev->qid);
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
|
|
zdev->ap_dev->qid, zdev->online);
|
|
return -EAGAIN; /* repeat the request on a different device. */
|
|
}
|
|
}
|
|
|
|
static int convert_response_rng(struct zcrypt_device *zdev,
|
|
struct ap_message *reply,
|
|
char *data)
|
|
{
|
|
struct type86x_reply *msg = reply->message;
|
|
|
|
switch (msg->hdr.type) {
|
|
case TYPE82_RSP_CODE:
|
|
case TYPE88_RSP_CODE:
|
|
return -EINVAL;
|
|
case TYPE86_RSP_CODE:
|
|
if (msg->hdr.reply_code)
|
|
return -EINVAL;
|
|
if (msg->cprbx.cprb_ver_id == 0x02)
|
|
return convert_type86_rng(zdev, reply, data);
|
|
/* Fall through, no break, incorrect cprb version is an unknown
|
|
* response */
|
|
default: /* Unknown response type, this should NEVER EVER happen */
|
|
zdev->online = 0;
|
|
pr_err("Cryptographic device %x failed and was set offline\n",
|
|
zdev->ap_dev->qid);
|
|
ZCRYPT_DBF_DEV(DBF_ERR, zdev, "dev%04xo%dfail",
|
|
zdev->ap_dev->qid, zdev->online);
|
|
return -EAGAIN; /* repeat the request on a different device. */
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function is called from the AP bus code after a crypto request
|
|
* "msg" has finished with the reply message "reply".
|
|
* It is called from tasklet context.
|
|
* @ap_dev: pointer to the AP device
|
|
* @msg: pointer to the AP message
|
|
* @reply: pointer to the AP reply message
|
|
*/
|
|
static void zcrypt_msgtype6_receive(struct ap_device *ap_dev,
|
|
struct ap_message *msg,
|
|
struct ap_message *reply)
|
|
{
|
|
static struct error_hdr error_reply = {
|
|
.type = TYPE82_RSP_CODE,
|
|
.reply_code = REP82_ERROR_MACHINE_FAILURE,
|
|
};
|
|
struct response_type *resp_type =
|
|
(struct response_type *) msg->private;
|
|
struct type86x_reply *t86r;
|
|
int length;
|
|
|
|
/* Copy the reply message to the request message buffer. */
|
|
if (IS_ERR(reply)) {
|
|
memcpy(msg->message, &error_reply, sizeof(error_reply));
|
|
goto out;
|
|
}
|
|
t86r = reply->message;
|
|
if (t86r->hdr.type == TYPE86_RSP_CODE &&
|
|
t86r->cprbx.cprb_ver_id == 0x02) {
|
|
switch (resp_type->type) {
|
|
case PCIXCC_RESPONSE_TYPE_ICA:
|
|
length = sizeof(struct type86x_reply)
|
|
+ t86r->length - 2;
|
|
length = min(PCIXCC_MAX_ICA_RESPONSE_SIZE, length);
|
|
memcpy(msg->message, reply->message, length);
|
|
break;
|
|
case PCIXCC_RESPONSE_TYPE_XCRB:
|
|
length = t86r->fmt2.offset2 + t86r->fmt2.count2;
|
|
length = min(MSGTYPE06_MAX_MSG_SIZE, length);
|
|
memcpy(msg->message, reply->message, length);
|
|
break;
|
|
default:
|
|
memcpy(msg->message, &error_reply,
|
|
sizeof(error_reply));
|
|
}
|
|
} else
|
|
memcpy(msg->message, reply->message, sizeof(error_reply));
|
|
out:
|
|
complete(&(resp_type->work));
|
|
}
|
|
|
|
/**
|
|
* This function is called from the AP bus code after a crypto request
|
|
* "msg" has finished with the reply message "reply".
|
|
* It is called from tasklet context.
|
|
* @ap_dev: pointer to the AP device
|
|
* @msg: pointer to the AP message
|
|
* @reply: pointer to the AP reply message
|
|
*/
|
|
static void zcrypt_msgtype6_receive_ep11(struct ap_device *ap_dev,
|
|
struct ap_message *msg,
|
|
struct ap_message *reply)
|
|
{
|
|
static struct error_hdr error_reply = {
|
|
.type = TYPE82_RSP_CODE,
|
|
.reply_code = REP82_ERROR_MACHINE_FAILURE,
|
|
};
|
|
struct response_type *resp_type =
|
|
(struct response_type *)msg->private;
|
|
struct type86_ep11_reply *t86r;
|
|
int length;
|
|
|
|
/* Copy the reply message to the request message buffer. */
|
|
if (IS_ERR(reply)) {
|
|
memcpy(msg->message, &error_reply, sizeof(error_reply));
|
|
goto out;
|
|
}
|
|
t86r = reply->message;
|
|
if (t86r->hdr.type == TYPE86_RSP_CODE &&
|
|
t86r->cprbx.cprb_ver_id == 0x04) {
|
|
switch (resp_type->type) {
|
|
case PCIXCC_RESPONSE_TYPE_EP11:
|
|
length = t86r->fmt2.offset1 + t86r->fmt2.count1;
|
|
length = min(MSGTYPE06_MAX_MSG_SIZE, length);
|
|
memcpy(msg->message, reply->message, length);
|
|
break;
|
|
default:
|
|
memcpy(msg->message, &error_reply, sizeof(error_reply));
|
|
}
|
|
} else {
|
|
memcpy(msg->message, reply->message, sizeof(error_reply));
|
|
}
|
|
out:
|
|
complete(&(resp_type->work));
|
|
}
|
|
|
|
static atomic_t zcrypt_step = ATOMIC_INIT(0);
|
|
|
|
/**
|
|
* The request distributor calls this function if it picked the PCIXCC/CEX2C
|
|
* device to handle a modexpo request.
|
|
* @zdev: pointer to zcrypt_device structure that identifies the
|
|
* PCIXCC/CEX2C device to the request distributor
|
|
* @mex: pointer to the modexpo request buffer
|
|
*/
|
|
static long zcrypt_msgtype6_modexpo(struct zcrypt_device *zdev,
|
|
struct ica_rsa_modexpo *mex)
|
|
{
|
|
struct ap_message ap_msg;
|
|
struct response_type resp_type = {
|
|
.type = PCIXCC_RESPONSE_TYPE_ICA,
|
|
};
|
|
int rc;
|
|
|
|
ap_init_message(&ap_msg);
|
|
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
|
|
if (!ap_msg.message)
|
|
return -ENOMEM;
|
|
ap_msg.receive = zcrypt_msgtype6_receive;
|
|
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
|
|
atomic_inc_return(&zcrypt_step);
|
|
ap_msg.private = &resp_type;
|
|
rc = ICAMEX_msg_to_type6MEX_msgX(zdev, &ap_msg, mex);
|
|
if (rc)
|
|
goto out_free;
|
|
init_completion(&resp_type.work);
|
|
ap_queue_message(zdev->ap_dev, &ap_msg);
|
|
rc = wait_for_completion_interruptible(&resp_type.work);
|
|
if (rc == 0)
|
|
rc = convert_response_ica(zdev, &ap_msg, mex->outputdata,
|
|
mex->outputdatalength);
|
|
else
|
|
/* Signal pending. */
|
|
ap_cancel_message(zdev->ap_dev, &ap_msg);
|
|
out_free:
|
|
free_page((unsigned long) ap_msg.message);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* The request distributor calls this function if it picked the PCIXCC/CEX2C
|
|
* device to handle a modexpo_crt request.
|
|
* @zdev: pointer to zcrypt_device structure that identifies the
|
|
* PCIXCC/CEX2C device to the request distributor
|
|
* @crt: pointer to the modexpoc_crt request buffer
|
|
*/
|
|
static long zcrypt_msgtype6_modexpo_crt(struct zcrypt_device *zdev,
|
|
struct ica_rsa_modexpo_crt *crt)
|
|
{
|
|
struct ap_message ap_msg;
|
|
struct response_type resp_type = {
|
|
.type = PCIXCC_RESPONSE_TYPE_ICA,
|
|
};
|
|
int rc;
|
|
|
|
ap_init_message(&ap_msg);
|
|
ap_msg.message = (void *) get_zeroed_page(GFP_KERNEL);
|
|
if (!ap_msg.message)
|
|
return -ENOMEM;
|
|
ap_msg.receive = zcrypt_msgtype6_receive;
|
|
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
|
|
atomic_inc_return(&zcrypt_step);
|
|
ap_msg.private = &resp_type;
|
|
rc = ICACRT_msg_to_type6CRT_msgX(zdev, &ap_msg, crt);
|
|
if (rc)
|
|
goto out_free;
|
|
init_completion(&resp_type.work);
|
|
ap_queue_message(zdev->ap_dev, &ap_msg);
|
|
rc = wait_for_completion_interruptible(&resp_type.work);
|
|
if (rc == 0)
|
|
rc = convert_response_ica(zdev, &ap_msg, crt->outputdata,
|
|
crt->outputdatalength);
|
|
else
|
|
/* Signal pending. */
|
|
ap_cancel_message(zdev->ap_dev, &ap_msg);
|
|
out_free:
|
|
free_page((unsigned long) ap_msg.message);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* The request distributor calls this function if it picked the PCIXCC/CEX2C
|
|
* device to handle a send_cprb request.
|
|
* @zdev: pointer to zcrypt_device structure that identifies the
|
|
* PCIXCC/CEX2C device to the request distributor
|
|
* @xcRB: pointer to the send_cprb request buffer
|
|
*/
|
|
static long zcrypt_msgtype6_send_cprb(struct zcrypt_device *zdev,
|
|
struct ica_xcRB *xcRB)
|
|
{
|
|
struct ap_message ap_msg;
|
|
struct response_type resp_type = {
|
|
.type = PCIXCC_RESPONSE_TYPE_XCRB,
|
|
};
|
|
int rc;
|
|
|
|
ap_init_message(&ap_msg);
|
|
ap_msg.message = kmalloc(MSGTYPE06_MAX_MSG_SIZE, GFP_KERNEL);
|
|
if (!ap_msg.message)
|
|
return -ENOMEM;
|
|
ap_msg.receive = zcrypt_msgtype6_receive;
|
|
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
|
|
atomic_inc_return(&zcrypt_step);
|
|
ap_msg.private = &resp_type;
|
|
rc = XCRB_msg_to_type6CPRB_msgX(zdev, &ap_msg, xcRB);
|
|
if (rc)
|
|
goto out_free;
|
|
init_completion(&resp_type.work);
|
|
ap_queue_message(zdev->ap_dev, &ap_msg);
|
|
rc = wait_for_completion_interruptible(&resp_type.work);
|
|
if (rc == 0)
|
|
rc = convert_response_xcrb(zdev, &ap_msg, xcRB);
|
|
else
|
|
/* Signal pending. */
|
|
ap_cancel_message(zdev->ap_dev, &ap_msg);
|
|
out_free:
|
|
kzfree(ap_msg.message);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* The request distributor calls this function if it picked the CEX4P
|
|
* device to handle a send_ep11_cprb request.
|
|
* @zdev: pointer to zcrypt_device structure that identifies the
|
|
* CEX4P device to the request distributor
|
|
* @xcRB: pointer to the ep11 user request block
|
|
*/
|
|
static long zcrypt_msgtype6_send_ep11_cprb(struct zcrypt_device *zdev,
|
|
struct ep11_urb *xcrb)
|
|
{
|
|
struct ap_message ap_msg;
|
|
struct response_type resp_type = {
|
|
.type = PCIXCC_RESPONSE_TYPE_EP11,
|
|
};
|
|
int rc;
|
|
|
|
ap_init_message(&ap_msg);
|
|
ap_msg.message = kmalloc(MSGTYPE06_MAX_MSG_SIZE, GFP_KERNEL);
|
|
if (!ap_msg.message)
|
|
return -ENOMEM;
|
|
ap_msg.receive = zcrypt_msgtype6_receive_ep11;
|
|
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
|
|
atomic_inc_return(&zcrypt_step);
|
|
ap_msg.private = &resp_type;
|
|
rc = xcrb_msg_to_type6_ep11cprb_msgx(zdev, &ap_msg, xcrb);
|
|
if (rc)
|
|
goto out_free;
|
|
init_completion(&resp_type.work);
|
|
ap_queue_message(zdev->ap_dev, &ap_msg);
|
|
rc = wait_for_completion_interruptible(&resp_type.work);
|
|
if (rc == 0)
|
|
rc = convert_response_ep11_xcrb(zdev, &ap_msg, xcrb);
|
|
else /* Signal pending. */
|
|
ap_cancel_message(zdev->ap_dev, &ap_msg);
|
|
|
|
out_free:
|
|
kzfree(ap_msg.message);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* The request distributor calls this function if it picked the PCIXCC/CEX2C
|
|
* device to generate random data.
|
|
* @zdev: pointer to zcrypt_device structure that identifies the
|
|
* PCIXCC/CEX2C device to the request distributor
|
|
* @buffer: pointer to a memory page to return random data
|
|
*/
|
|
|
|
static long zcrypt_msgtype6_rng(struct zcrypt_device *zdev,
|
|
char *buffer)
|
|
{
|
|
struct ap_message ap_msg;
|
|
struct response_type resp_type = {
|
|
.type = PCIXCC_RESPONSE_TYPE_XCRB,
|
|
};
|
|
int rc;
|
|
|
|
ap_init_message(&ap_msg);
|
|
ap_msg.message = kmalloc(MSGTYPE06_MAX_MSG_SIZE, GFP_KERNEL);
|
|
if (!ap_msg.message)
|
|
return -ENOMEM;
|
|
ap_msg.receive = zcrypt_msgtype6_receive;
|
|
ap_msg.psmid = (((unsigned long long) current->pid) << 32) +
|
|
atomic_inc_return(&zcrypt_step);
|
|
ap_msg.private = &resp_type;
|
|
rng_type6CPRB_msgX(zdev->ap_dev, &ap_msg, ZCRYPT_RNG_BUFFER_SIZE);
|
|
init_completion(&resp_type.work);
|
|
ap_queue_message(zdev->ap_dev, &ap_msg);
|
|
rc = wait_for_completion_interruptible(&resp_type.work);
|
|
if (rc == 0)
|
|
rc = convert_response_rng(zdev, &ap_msg, buffer);
|
|
else
|
|
/* Signal pending. */
|
|
ap_cancel_message(zdev->ap_dev, &ap_msg);
|
|
kfree(ap_msg.message);
|
|
return rc;
|
|
}
|
|
|
|
/**
|
|
* The crypto operations for a PCIXCC/CEX2C card.
|
|
*/
|
|
static struct zcrypt_ops zcrypt_msgtype6_norng_ops = {
|
|
.owner = THIS_MODULE,
|
|
.variant = MSGTYPE06_VARIANT_NORNG,
|
|
.rsa_modexpo = zcrypt_msgtype6_modexpo,
|
|
.rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt,
|
|
.send_cprb = zcrypt_msgtype6_send_cprb,
|
|
};
|
|
|
|
static struct zcrypt_ops zcrypt_msgtype6_ops = {
|
|
.owner = THIS_MODULE,
|
|
.variant = MSGTYPE06_VARIANT_DEFAULT,
|
|
.rsa_modexpo = zcrypt_msgtype6_modexpo,
|
|
.rsa_modexpo_crt = zcrypt_msgtype6_modexpo_crt,
|
|
.send_cprb = zcrypt_msgtype6_send_cprb,
|
|
.rng = zcrypt_msgtype6_rng,
|
|
};
|
|
|
|
static struct zcrypt_ops zcrypt_msgtype6_ep11_ops = {
|
|
.owner = THIS_MODULE,
|
|
.variant = MSGTYPE06_VARIANT_EP11,
|
|
.rsa_modexpo = NULL,
|
|
.rsa_modexpo_crt = NULL,
|
|
.send_ep11_cprb = zcrypt_msgtype6_send_ep11_cprb,
|
|
};
|
|
|
|
int __init zcrypt_msgtype6_init(void)
|
|
{
|
|
zcrypt_msgtype_register(&zcrypt_msgtype6_norng_ops);
|
|
zcrypt_msgtype_register(&zcrypt_msgtype6_ops);
|
|
zcrypt_msgtype_register(&zcrypt_msgtype6_ep11_ops);
|
|
return 0;
|
|
}
|
|
|
|
void __exit zcrypt_msgtype6_exit(void)
|
|
{
|
|
zcrypt_msgtype_unregister(&zcrypt_msgtype6_norng_ops);
|
|
zcrypt_msgtype_unregister(&zcrypt_msgtype6_ops);
|
|
zcrypt_msgtype_unregister(&zcrypt_msgtype6_ep11_ops);
|
|
}
|
|
|
|
module_init(zcrypt_msgtype6_init);
|
|
module_exit(zcrypt_msgtype6_exit);
|