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, 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 SHA-1 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 #if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1) |
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73 #include <sys/types.h> |
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74 #include <stdlib.h> |
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75 #include <string.h> |
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76 #include <errno.h> |
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77 |
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78 /* |
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79 * For SHA1, OpenSSL SHA_CTX has an extra num field at the end, |
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80 * while the Solaris SHA1_CTX does not have this field. |
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81 */ |
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82 #include <openssl/engine.h> |
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83 #include <openssl/sha.h> |
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84 |
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85 #if (defined(sun4v) || defined(__sparcv9) || defined(__sparcv8plus) || \ |
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86 defined(__sparcv8)) && !defined(OPENSSL_NO_ASM) |
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87 #define COMPILE_HW_T4 |
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88 #endif |
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89 |
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90 #ifdef COMPILE_HW_T4 |
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91 |
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92 /* Assembly language function; replaces C function sha1_block_data_order(): */ |
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93 extern void t4_sha1_multiblock(SHA_CTX *ctx, const void *input, size_t num); |
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94 |
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95 /* Formal declaration for functions in EVP_MD structure */ |
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96 static int t4_digest_init_sha1(EVP_MD_CTX *ctx); |
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97 static int t4_digest_update_sha1(EVP_MD_CTX *ctx, const void *data, |
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98 size_t len); |
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99 static int t4_digest_final_sha1(EVP_MD_CTX *ctx, unsigned char *md); |
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100 static int t4_digest_copy_sha1(EVP_MD_CTX *to, const EVP_MD_CTX *from); |
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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_sha1 = { |
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115 NID_sha1, NID_sha1WithRSAEncryption, SHA_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_sha1, t4_digest_update_sha1, t4_digest_final_sha1, |
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118 t4_digest_copy_sha1, NULL, |
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119 EVP_PKEY_RSA_method, SHA_CBLOCK, |
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120 sizeof (SHA_CTX), NULL |
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121 }; |
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122 |
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123 /* These functions are defined in md32_common.h: */ |
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124 static int t4_sha1_update(SHA_CTX *c, const void *data_, size_t len); |
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125 static void t4_sha1_transform(SHA_CTX *c, const unsigned char *data); |
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126 static int t4_sha1_final(unsigned char *md, SHA_CTX *c); |
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127 #pragma inline(t4_sha1_update, t4_sha1_transform, t4_sha1_final) |
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128 |
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129 #define DATA_ORDER_IS_BIG_ENDIAN |
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130 /* HASH_LONG/SHA_LONG is unsigned int (32 bits): */ |
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131 #define HASH_LONG SHA_LONG |
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132 #define HASH_CTX SHA_CTX |
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133 #define HASH_CBLOCK SHA_CBLOCK |
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134 #define HASH_UPDATE t4_sha1_update |
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135 #define HASH_TRANSFORM t4_sha1_transform |
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136 #define HASH_FINAL t4_sha1_final |
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137 #define HASH_BLOCK_DATA_ORDER t4_sha1_multiblock |
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138 #define HASH_MAKE_STRING(c, s) do { \ |
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139 unsigned int ll; \ |
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140 ll = (c)->h0; HOST_l2c(ll, (s)); \ |
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141 ll = (c)->h1; HOST_l2c(ll, (s)); \ |
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142 ll = (c)->h2; HOST_l2c(ll, (s)); \ |
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143 ll = (c)->h3; HOST_l2c(ll, (s)); \ |
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144 ll = (c)->h4; HOST_l2c(ll, (s)); \ |
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145 } while (0) |
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146 |
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147 /* This defines HASH_UPDATE, HASH_TRANSFORM, HASH_FINAL functions: */ |
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148 #include "md32_common.h" |
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149 |
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150 |
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151 /* |
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152 * SHA-1 functions (FIPS 180-1 Secure Hash Standard) |
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153 */ |
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154 |
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155 static int |
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156 t4_digest_init_sha1(EVP_MD_CTX *ctx) |
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157 { |
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158 SHA_CTX *c = (SHA_CTX *)ctx->md_data; |
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159 |
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160 /* Optimization: don't call memset(c, 0,...) or initialize c->data[] */ |
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161 c->Nl = c->Nh = c->num = 0; |
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162 c->h0 = 0x67452301U; |
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163 c->h1 = 0xefcdab89U; |
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164 c->h2 = 0x98badcfeU; |
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165 c->h3 = 0x10325476U; |
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166 c->h4 = 0xc3d2e1f0U; |
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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 /* Continue SHA1 digest operation, using the message block to update context. */ |
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172 static int |
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173 t4_digest_update_sha1(EVP_MD_CTX *ctx, const void *data, size_t len) |
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174 { |
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175 return (t4_sha1_update((SHA_CTX *)ctx->md_data, data, len)); |
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176 } |
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177 |
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178 /* End SHA1 digest operation, finalizing message digest and zeroing context. */ |
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179 static int |
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180 t4_digest_final_sha1(EVP_MD_CTX *ctx, unsigned char *md) |
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181 { |
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182 return (t4_sha1_final(md, (SHA_CTX *)ctx->md_data)); |
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183 } |
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184 |
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185 /* Required for Engine API */ |
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186 static int |
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187 t4_digest_copy_sha1(EVP_MD_CTX *to, const EVP_MD_CTX *from) |
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188 { |
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189 if ((to->md_data != NULL) && (from->md_data != NULL)) { |
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190 (void) memcpy(to->md_data, from->md_data, sizeof (SHA_CTX)); |
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191 } |
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192 return (1); |
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193 } |
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194 |
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195 #endif /* COMPILE_HW_T4 */ |
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196 #endif /* !OPENSSL_NO_SHA && !OPENSSL_NO_SHA1 */ |
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197 #endif /* !OPENSSL_NO_HW && !OPENSSL_NO_HW_MD_T4 */ |
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