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1 /* |
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2 * This product includes cryptographic software developed by the OpenSSL |
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3 * Project for use in the OpenSSL Toolkit (http://www.openssl.org/). This |
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4 * product includes cryptographic software written by Eric Young |
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5 * ([email protected]). |
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6 */ |
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7 |
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8 /* |
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9 * ==================================================================== |
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10 * Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved. |
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11 * |
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12 * Redistribution and use in source and binary forms, with or without |
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13 * modification, are permitted provided that the following conditions |
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14 * are met: |
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15 * |
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16 * 1. Redistributions of source code must retain the above copyright |
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17 * notice, this list of conditions and the following disclaimer. |
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18 * |
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19 * 2. Redistributions in binary form must reproduce the above copyright |
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20 * notice, this list of conditions and the following disclaimer in |
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21 * the documentation and/or other materials provided with the |
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22 * distribution. |
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23 * |
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24 * 3. All advertising materials mentioning features or use of this |
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25 * software must display the following acknowledgment: |
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26 * "This product includes software developed by the OpenSSL Project |
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27 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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28 * |
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29 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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30 * endorse or promote products derived from this software without |
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31 * prior written permission. For written permission, please contact |
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32 * [email protected]. |
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33 * |
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34 * 5. Products derived from this software may not be called "OpenSSL" |
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35 * nor may "OpenSSL" appear in their names without prior written |
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36 * permission of the OpenSSL Project. |
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37 * |
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38 * 6. Redistributions of any form whatsoever must retain the following |
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39 * acknowledgment: |
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40 * "This product includes software developed by the OpenSSL Project |
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41 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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42 * |
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43 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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44 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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46 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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47 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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49 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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50 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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52 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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53 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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54 * OF THE POSSIBILITY OF SUCH DAMAGE. |
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55 * ==================================================================== |
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56 */ |
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57 |
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58 /* |
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59 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. |
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60 */ |
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61 |
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62 /* |
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63 * This engine supports SPARC microprocessors that provide AES and other |
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64 * cipher and hash instructions, such as the T4 microprocessor. |
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65 * |
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66 * This file implements the MD5 message digest operations. |
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67 */ |
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68 |
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69 #include <openssl/opensslconf.h> |
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70 |
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71 #if !defined(OPENSSL_NO_HW) && !defined(OPENSSL_NO_HW_MD_T4) |
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72 #ifndef OPENSSL_NO_MD5 |
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73 |
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74 #include <sys/types.h> |
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75 #include <stdlib.h> |
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76 #include <string.h> |
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77 #include <errno.h> |
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78 |
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79 #include <openssl/aes.h> |
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80 #include <openssl/engine.h> |
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81 /* |
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82 * Solaris sys/md5.h and OpenSSL openssl/md5.h both define MD5_CTX. |
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83 * The OpenSSL MD5_CTX has an extra "num" field at the end. |
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84 */ |
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85 #include <openssl/md5.h> |
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86 |
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87 #if (defined(sun4v) || defined(__sparcv9) || defined(__sparcv8plus) || \ |
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88 defined(__sparcv8)) && !defined(OPENSSL_NO_ASM) |
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89 #define COMPILE_HW_T4 |
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90 #endif |
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91 |
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92 #ifdef COMPILE_HW_T4 |
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93 |
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94 /* Assembly language function; replaces C function md5_block_data_order(): */ |
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95 extern void t4_md5_multiblock(MD5_CTX *ctx, const uint8_t *input, |
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96 unsigned int input_length_in_blocks); |
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97 |
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98 /* Formal declaration for functions in EVP_MD structure */ |
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99 int t4_digest_init_md5(EVP_MD_CTX *ctx); |
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100 int t4_digest_update_md5(EVP_MD_CTX *ctx, const void *data, size_t count); |
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101 int t4_digest_final_md5(EVP_MD_CTX *ctx, unsigned char *md); |
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102 int t4_digest_copy_md5(EVP_MD_CTX *to, const EVP_MD_CTX *from); |
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103 |
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104 |
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105 /* |
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106 * MD5 Message Digests |
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107 * |
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108 * OpenSSL's libcrypto EVP stuff. This is how this engine gets wired to EVP. |
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109 * EVP_MD is defined in evp.h. To maintain binary compatibility the |
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110 * definition cannot be modified. |
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111 * Stuff specific to the t4 engine is kept in t4_cipher_ctx_t, which is |
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112 * pointed to by the last field, app_data. |
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113 * |
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114 * Fields: type, pkey_type, md_size, flags, |
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115 * init(), update(), final(), |
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116 * copy(), cleanup(), sign(), verify(), |
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117 * required_pkey_type, block_size, ctx_size, md5_ctrl() |
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118 */ |
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119 const EVP_MD t4_md5 = { |
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120 NID_md5, NID_md5WithRSAEncryption, MD5_DIGEST_LENGTH, |
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121 0, |
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122 t4_digest_init_md5, t4_digest_update_md5, t4_digest_final_md5, |
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123 t4_digest_copy_md5, NULL, |
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124 EVP_PKEY_RSA_method, MD5_CBLOCK, |
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125 sizeof (MD5_CTX), NULL |
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126 }; |
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127 |
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128 /* These functions are implemented in md32_common.h: */ |
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129 static int t4_md5_update(MD5_CTX *c, const void *data_, size_t len); |
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130 static void t4_md5_transform(MD5_CTX *c, const unsigned char *data); |
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131 static int t4_md5_final(unsigned char *md, MD5_CTX *c); |
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132 #pragma inline(t4_md5_update, t4_md5_transform, t4_md5_final) |
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133 |
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134 #define DATA_ORDER_IS_LITTLE_ENDIAN |
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135 /* HASH_LONG/MD5_LONG is a 32-bit unsigned: */ |
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136 #define HASH_LONG MD5_LONG |
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137 #define HASH_CTX MD5_CTX |
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138 #define HASH_CBLOCK MD5_CBLOCK |
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139 #define HASH_UPDATE t4_md5_update |
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140 #define HASH_TRANSFORM t4_md5_transform |
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141 #define HASH_FINAL t4_md5_final |
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142 #define HASH_BLOCK_DATA_ORDER t4_md5_multiblock |
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143 /* Hash is already byte-swapped as Little Endian for SPARC T4: */ |
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144 #define HASH_MAKE_STRING(c, s) memcpy((s), (c), MD5_DIGEST_LENGTH); |
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145 |
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146 /* This defines HASH_UPDATE, HASH_TRANSFORM, HASH_FINAL functions: */ |
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147 #include "md32_common.h" |
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148 |
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149 |
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150 /* |
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151 * MD5 functions (RFC 1321 The MD5 Message-Digest Algorithm) |
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152 */ |
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153 |
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154 int |
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155 t4_digest_init_md5(EVP_MD_CTX *ctx) |
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156 { |
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157 MD5_CTX *c = (MD5_CTX *)ctx->md_data; |
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158 |
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159 /* Optimization: don't call memset(c, 0,...) or initialize c->data[] */ |
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160 c->Nl = c->Nh = c->num = 0; |
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161 |
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162 /* Big Endian for T4 */ |
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163 c->A = 0x01234567U; |
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164 c->B = 0x89abcdefU; |
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165 c->C = 0xfedcba98U; |
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166 c->D = 0x76543210U; |
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167 |
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168 return (1); |
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169 } |
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170 |
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171 /* |
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172 * Continue MD5 digest operation, using the message block to update context. |
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173 * MD5 crunches in 64-byte blocks. |
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174 */ |
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175 int |
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176 t4_digest_update_md5(EVP_MD_CTX *ctx, const void *data, size_t len) |
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177 { |
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178 return (t4_md5_update((MD5_CTX *)ctx->md_data, data, len)); |
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179 } |
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180 |
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181 /* End MD5 digest operation, finalizing message digest and zeroing context. */ |
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182 int |
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183 t4_digest_final_md5(EVP_MD_CTX *ctx, unsigned char *md) |
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184 { |
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185 return (t4_md5_final(md, (MD5_CTX *)ctx->md_data)); |
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186 } |
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187 |
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188 /* Required for Engine API */ |
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189 int |
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190 t4_digest_copy_md5(EVP_MD_CTX *to, const EVP_MD_CTX *from) |
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191 { |
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192 if ((to->md_data != NULL) && (from->md_data != NULL)) { |
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193 (void) memcpy(to->md_data, from->md_data, sizeof (MD5_CTX)); |
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194 } |
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195 return (1); |
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196 } |
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197 |
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198 #endif /* COMPILE_HW_T4 */ |
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199 #endif /* !OPENSSL_NO_MD5 */ |
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200 #endif /* !OPENSSL_NO_HW && !OPENSSL_NO_HW_MD_T4 */ |