author | Misaki Miyashita <Misaki.Miyashita@Oracle.COM> |
Fri, 03 May 2013 16:10:11 -0700 | |
branch | s11-update |
changeset 2593 | b92e6df5eaf0 |
parent 603 | components/openssl/openssl-1.0.0/engines/t4/eng_t4_sha256.c@1b966e9a6b03 |
permissions | -rw-r--r-- |
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/* |
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* This product includes cryptographic software developed by the OpenSSL |
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* Project for use in the OpenSSL Toolkit (http://www.openssl.org/). This |
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* product includes cryptographic software written by Eric Young |
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* ([email protected]). |
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*/ |
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/* |
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* ==================================================================== |
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* Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* [email protected]. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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*/ |
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/* |
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
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*/ |
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/* |
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* This engine supports SPARC microprocessors that provide AES and other |
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* cipher and hash instructions, such as the T4 microprocessor. |
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* |
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* This file implements the SHA-256 message digest operations. |
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*/ |
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#include <openssl/opensslconf.h> |
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#if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_MD_T4) |
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#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA256) |
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#include <sys/types.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <errno.h> |
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#include <openssl/engine.h> |
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/* |
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* Solaris sys/sha2.h and OpenSSL openssl/sha.h both define |
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* SHA256_CTX, SHA512_CTX, SHA256, SHA384, and SHA512. |
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* For SHA2, OpenSSL SHA256_CTX has extra num and md_len fields at |
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* the end and Solaris SHA2_CTX has an extra algotype field at the beginning. |
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*/ |
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#include "eng_t4_sha2_asm.h" |
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#if (defined(sun4v) || defined(__sparcv9) || defined(__sparcv8plus) || \ |
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defined(__sparcv8)) && !defined(OPENSSL_NO_ASM) |
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#define COMPILE_HW_T4 |
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#endif |
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#ifdef COMPILE_HW_T4 |
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/* Formal declaration for functions in EVP_MD structure */ |
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static int t4_digest_init_sha256(EVP_MD_CTX *ctx); |
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static int t4_digest_init_sha224(EVP_MD_CTX *ctx); |
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static int t4_digest_update_sha256(EVP_MD_CTX *ctx, const void *data, |
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97 |
size_t len); |
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98 |
static int t4_digest_final_sha256(EVP_MD_CTX *ctx, unsigned char *md); |
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99 |
static int t4_digest_copy_sha256(EVP_MD_CTX *to, const EVP_MD_CTX *from); |
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100 |
|
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101 |
|
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102 |
/* |
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103 |
* OpenSSL's libcrypto EVP stuff. This is how this engine gets wired to EVP. |
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104 |
* EVP_MD is defined in evp.h. To maintain binary compatibility the |
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105 |
* definition cannot be modified. |
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106 |
* Stuff specific to the t4 engine is kept in t4_cipher_ctx_t, which is |
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107 |
* pointed to by the last field, app_data. |
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108 |
* |
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109 |
* Fields: type, pkey_type, md_size, flags, |
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110 |
* init(), update(), final(), |
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111 |
* copy(), cleanup(), sign(), verify(), |
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112 |
* required_pkey_type, block_size, ctx_size, md5_ctrl() |
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113 |
*/ |
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114 |
const EVP_MD t4_sha256 = { |
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115 |
NID_sha256, NID_sha256WithRSAEncryption, SHA256_DIGEST_LENGTH, |
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116 |
EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT, |
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117 |
t4_digest_init_sha256, t4_digest_update_sha256, t4_digest_final_sha256, |
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118 |
t4_digest_copy_sha256, NULL, |
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119 |
EVP_PKEY_RSA_method, SHA256_CBLOCK, |
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120 |
sizeof (T4_SHA256_CTX), NULL |
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121 |
}; |
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122 |
/* SHA-224 uses the same context, cblock size, & update function as SHA-256: */ |
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123 |
const EVP_MD t4_sha224 = { |
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124 |
NID_sha224, NID_sha224WithRSAEncryption, SHA224_DIGEST_LENGTH, |
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125 |
EVP_MD_FLAG_PKEY_METHOD_SIGNATURE | EVP_MD_FLAG_DIGALGID_ABSENT, |
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126 |
t4_digest_init_sha224, t4_digest_update_sha256, t4_digest_final_sha256, |
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127 |
t4_digest_copy_sha256, NULL, |
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128 |
EVP_PKEY_RSA_method, SHA256_CBLOCK, |
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129 |
sizeof (T4_SHA256_CTX), NULL |
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130 |
}; |
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131 |
|
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132 |
/* These functions are defined in md32_common.h: */ |
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133 |
static int t4_sha256_update(T4_SHA256_CTX *c, const void *data_, size_t len); |
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134 |
static void t4_sha256_transform(T4_SHA256_CTX *c, const unsigned char *data); |
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135 |
static int t4_sha256_final(unsigned char *md, T4_SHA256_CTX *c); |
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136 |
#pragma inline(t4_sha256_update, t4_sha256_transform, t4_sha256_final) |
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137 |
|
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138 |
#define DATA_ORDER_IS_BIG_ENDIAN |
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139 |
/* HASH_LONG/SHA_LONG is unsigned int (32 bits): */ |
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140 |
#define HASH_LONG SHA_LONG |
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141 |
#define HASH_CTX T4_SHA256_CTX |
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142 |
#define HASH_CBLOCK SHA_CBLOCK |
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143 |
#define HASH_UPDATE t4_sha256_update |
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144 |
#define HASH_TRANSFORM t4_sha256_transform |
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145 |
#define HASH_FINAL t4_sha256_final |
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146 |
#define HASH_BLOCK_DATA_ORDER t4_sha256_multiblock |
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147 |
#define HASH_MAKE_STRING(c, s) \ |
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148 |
do { \ |
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149 |
unsigned int ll, nn; \ |
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150 |
switch ((c)->md_len) { \ |
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151 |
case SHA256_DIGEST_LENGTH: \ |
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152 |
for (nn = 0; nn < SHA256_DIGEST_LENGTH / 4; nn++) { \ |
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153 |
ll = (c)->h[nn]; HOST_l2c(ll, (s)); } \ |
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154 |
break; \ |
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155 |
case SHA224_DIGEST_LENGTH: \ |
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156 |
for (nn = 0; nn < SHA224_DIGEST_LENGTH / 4; nn++) { \ |
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157 |
ll = (c)->h[nn]; HOST_l2c(ll, (s)); } \ |
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|
158 |
break; \ |
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159 |
default: \ |
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|
160 |
if ((c)->md_len > SHA256_DIGEST_LENGTH) \ |
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|
161 |
return (0); \ |
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|
162 |
for (nn = 0; nn < (c)->md_len / 4; nn++) { \ |
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163 |
ll = (c)->h[nn]; HOST_l2c(ll, (s)); } \ |
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|
164 |
break; \ |
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165 |
} \ |
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166 |
} while (0) |
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167 |
|
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168 |
/* This defines HASH_UPDATE, HASH_TRANSFORM, HASH_FINAL functions: */ |
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169 |
#include "md32_common.h" |
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170 |
|
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171 |
|
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172 |
/* |
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173 |
* SHA256 functions (part of FIPS 180-2 Secure Hash Standard) |
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174 |
*/ |
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175 |
|
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176 |
static int |
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177 |
t4_digest_init_sha256(EVP_MD_CTX *ctx) |
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178 |
{ |
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179 |
T4_SHA256_CTX *c = (T4_SHA256_CTX *)ctx->md_data; |
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180 |
|
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181 |
/* Optimization: don't call memset(c, 0,...) or initialize c->data[] */ |
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182 |
c->Nl = c->Nh = c->num = 0; |
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183 |
c->h[0] = 0x6a09e667U; |
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184 |
c->h[1] = 0xbb67ae85U; |
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185 |
c->h[2] = 0x3c6ef372U; |
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186 |
c->h[3] = 0xa54ff53aU; |
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187 |
c->h[4] = 0x510e527fU; |
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188 |
c->h[5] = 0x9b05688cU; |
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189 |
c->h[6] = 0x1f83d9abU; |
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c->h[7] = 0x5be0cd19U; |
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191 |
c->md_len = SHA256_DIGEST_LENGTH; |
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192 |
return (1); |
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193 |
} |
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194 |
|
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195 |
|
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196 |
static int |
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197 |
t4_digest_init_sha224(EVP_MD_CTX *ctx) |
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198 |
{ |
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199 |
T4_SHA256_CTX *c = (T4_SHA256_CTX *)ctx->md_data; |
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200 |
|
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201 |
/* Optimization: don't call memset(c, 0,...) or initialize c->data[] */ |
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202 |
c->Nl = c->Nh = c->num = 0; |
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203 |
c->h[0] = 0xc1059ed8UL; |
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204 |
c->h[1] = 0x367cd507UL; |
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205 |
c->h[2] = 0x3070dd17UL; |
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206 |
c->h[3] = 0xf70e5939UL; |
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207 |
c->h[4] = 0xffc00b31UL; |
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208 |
c->h[5] = 0x68581511UL; |
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209 |
c->h[6] = 0x64f98fa7UL; |
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210 |
c->h[7] = 0xbefa4fa4UL; |
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211 |
c->md_len = SHA224_DIGEST_LENGTH; |
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212 |
return (1); |
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213 |
} |
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214 |
|
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215 |
/* Continue SHA256 digest operation, using message block to update context. */ |
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216 |
static int |
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217 |
t4_digest_update_sha256(EVP_MD_CTX *ctx, const void *data, size_t len) |
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218 |
{ |
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219 |
T4_SHA256_CTX *sha256_ctx = (T4_SHA256_CTX *)ctx->md_data; |
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220 |
|
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221 |
return (t4_sha256_update((T4_SHA256_CTX *)ctx->md_data, data, len)); |
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222 |
} |
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223 |
|
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224 |
/* End SHA256 digest operation, finalizing message digest and zeroing context */ |
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225 |
static int |
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226 |
t4_digest_final_sha256(EVP_MD_CTX *ctx, unsigned char *md) |
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227 |
{ |
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228 |
T4_SHA256_CTX *sha256_ctx = (T4_SHA256_CTX *)ctx->md_data; |
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229 |
|
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230 |
return (t4_sha256_final(md, (T4_SHA256_CTX *)ctx->md_data)); |
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231 |
} |
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232 |
|
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233 |
/* Required for Engine API */ |
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234 |
static int |
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235 |
t4_digest_copy_sha256(EVP_MD_CTX *to, const EVP_MD_CTX *from) |
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236 |
{ |
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237 |
if ((to->md_data != NULL) && (from->md_data != NULL)) { |
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238 |
(void) memcpy(to->md_data, from->md_data, |
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239 |
sizeof (T4_SHA256_CTX)); |
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240 |
} |
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241 |
return (1); |
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242 |
} |
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243 |
|
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244 |
#endif /* COMPILE_HW_T4 */ |
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245 |
#endif /* !OPENSSL_NO_SHA && !OPENSSL_NO_SHA256 */ |
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246 |
#endif /* !OPENSSL_NO_HW && !OPENSSL_NO_HW_MD_T4 */ |