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1 /* crypto/evp/m_sha1.c */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 |
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59 #include <stdio.h> |
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60 #include "cryptlib.h" |
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61 |
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62 #ifndef OPENSSL_NO_SHA |
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63 |
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64 #include <openssl/evp.h> |
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65 #include <openssl/objects.h> |
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66 #include <openssl/x509.h> |
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67 #ifndef OPENSSL_NO_RSA |
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68 #include <openssl/rsa.h> |
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69 #endif |
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70 |
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71 static int init(EVP_MD_CTX *ctx) |
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72 { |
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73 if(ctx->md_data==NULL) |
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74 return 1; |
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75 return SHA1_Init(ctx->md_data); |
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76 } |
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77 |
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78 static int update(EVP_MD_CTX *ctx,const void *data,size_t count) |
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79 { |
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80 if(ctx->md_data==NULL) |
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81 return 1; |
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82 return SHA1_Update(ctx->md_data,data,count); |
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83 } |
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84 |
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85 static int final(EVP_MD_CTX *ctx,unsigned char *md) |
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86 { |
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87 if(ctx->md_data==NULL) |
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88 return 1; |
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89 return SHA1_Final(md,ctx->md_data); |
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90 } |
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91 |
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92 static const EVP_MD sha1_md= |
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93 { |
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94 NID_sha1, |
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95 NID_sha1WithRSAEncryption, |
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96 SHA_DIGEST_LENGTH, |
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97 0, |
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98 init, |
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99 update, |
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100 final, |
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101 NULL, |
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102 NULL, |
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103 EVP_PKEY_RSA_method, |
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104 SHA_CBLOCK, |
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105 sizeof(EVP_MD *)+sizeof(SHA_CTX), |
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106 }; |
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107 |
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108 EXPORT_C const EVP_MD *EVP_sha1(void) |
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109 { |
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110 return(&sha1_md); |
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111 } |
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112 #endif |
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113 |
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114 #ifndef OPENSSL_NO_SHA256 |
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115 static int init224(EVP_MD_CTX *ctx) |
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116 { return SHA224_Init(ctx->md_data); } |
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117 static int init256(EVP_MD_CTX *ctx) |
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118 { return SHA256_Init(ctx->md_data); } |
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119 /* |
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120 * Even though there're separate SHA224_[Update|Final], we call |
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121 * SHA256 functions even in SHA224 context. This is what happens |
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122 * there anyway, so we can spare few CPU cycles:-) |
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123 */ |
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124 static int update256(EVP_MD_CTX *ctx,const void *data,size_t count) |
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125 { return SHA256_Update(ctx->md_data,data,count); } |
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126 static int final256(EVP_MD_CTX *ctx,unsigned char *md) |
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127 { return SHA256_Final(md,ctx->md_data); } |
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128 |
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129 static const EVP_MD sha224_md= |
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130 { |
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131 NID_sha224, |
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132 NID_sha224WithRSAEncryption, |
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133 SHA224_DIGEST_LENGTH, |
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134 0, |
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135 init224, |
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136 update256, |
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137 final256, |
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138 NULL, |
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139 NULL, |
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140 EVP_PKEY_RSA_method, |
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141 SHA256_CBLOCK, |
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142 sizeof(EVP_MD *)+sizeof(SHA256_CTX), |
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143 }; |
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144 |
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145 EXPORT_C const EVP_MD *EVP_sha224(void) |
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146 { return(&sha224_md); } |
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147 |
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148 static const EVP_MD sha256_md= |
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149 { |
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150 NID_sha256, |
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151 NID_sha256WithRSAEncryption, |
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152 SHA256_DIGEST_LENGTH, |
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153 0, |
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154 init256, |
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155 update256, |
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156 final256, |
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157 NULL, |
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158 NULL, |
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159 EVP_PKEY_RSA_method, |
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160 SHA256_CBLOCK, |
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161 sizeof(EVP_MD *)+sizeof(SHA256_CTX), |
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162 }; |
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163 |
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164 EXPORT_C const EVP_MD *EVP_sha256(void) |
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165 { return(&sha256_md); } |
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166 #endif /* ifndef OPENSSL_NO_SHA256 */ |
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167 |
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168 #ifndef OPENSSL_NO_SHA512 |
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169 static int init384(EVP_MD_CTX *ctx) |
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170 { return SHA384_Init(ctx->md_data); } |
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171 static int init512(EVP_MD_CTX *ctx) |
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172 { return SHA512_Init(ctx->md_data); } |
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173 /* See comment in SHA224/256 section */ |
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174 static int update512(EVP_MD_CTX *ctx,const void *data,size_t count) |
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175 { return SHA512_Update(ctx->md_data,data,count); } |
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176 static int final512(EVP_MD_CTX *ctx,unsigned char *md) |
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177 { return SHA512_Final(md,ctx->md_data); } |
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178 |
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179 static const EVP_MD sha384_md= |
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180 { |
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181 NID_sha384, |
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182 NID_sha384WithRSAEncryption, |
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183 SHA384_DIGEST_LENGTH, |
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184 0, |
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185 init384, |
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186 update512, |
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187 final512, |
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188 NULL, |
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189 NULL, |
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190 EVP_PKEY_RSA_method, |
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191 SHA512_CBLOCK, |
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192 sizeof(EVP_MD *)+sizeof(SHA512_CTX), |
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193 }; |
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194 |
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195 EXPORT_C const EVP_MD *EVP_sha384(void) |
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196 { return(&sha384_md); } |
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197 |
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198 static const EVP_MD sha512_md= |
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199 { |
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200 NID_sha512, |
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201 NID_sha512WithRSAEncryption, |
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202 SHA512_DIGEST_LENGTH, |
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203 0, |
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204 init512, |
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205 update512, |
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206 final512, |
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207 NULL, |
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208 NULL, |
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209 EVP_PKEY_RSA_method, |
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210 SHA512_CBLOCK, |
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211 sizeof(EVP_MD *)+sizeof(SHA512_CTX), |
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212 }; |
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213 |
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214 EXPORT_C const EVP_MD *EVP_sha512(void) |
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215 { return(&sha512_md); } |
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216 #endif /* ifndef OPENSSL_NO_SHA512 */ |