1 | /*
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2 | ** digest.c - Digest and subclasses
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3 | **
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4 | ** See Copyright Notice in mruby.h
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5 | */
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6 |
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7 | #include "mruby.h"
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8 |
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9 | #ifdef __APPLE__
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10 | #define USE_DIGEST_OSX_COMMONCRYPTO
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11 | #else
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12 | #define USE_DIGEST_OPENSSL
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13 | #endif
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14 |
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15 | #if defined(USE_DIGEST_OPENSSL)
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16 | #include <openssl/evp.h>
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17 | #include <openssl/hmac.h>
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18 | #include <openssl/sha.h>
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19 | #elif defined(USE_DIGEST_OSX_COMMONCRYPTO)
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20 | #include <CommonCrypto/CommonDigest.h>
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21 | #include <CommonCrypto/CommonHMAC.h>
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22 | #else
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23 | #error "define USE_DIGEST_OPENSSL or USE_DIGEST_OSX_COMMONCRYPTO"
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24 | #endif
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25 | #include <limits.h>
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26 | #include <stdio.h>
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27 | #include <string.h>
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28 | #include "mruby/array.h"
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29 | #include "mruby/class.h"
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30 | #include "mruby/data.h"
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31 | #include "mruby/string.h"
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32 | #include "mruby/variable.h"
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33 |
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34 | #define TYPESYM "__type__"
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35 |
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36 |
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37 | /*
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38 | * library-independent layer API
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39 | */
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40 | enum {
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41 | MD_TYPE_MD5,
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42 | MD_TYPE_RMD160,
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43 | MD_TYPE_SHA1,
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44 | MD_TYPE_SHA256,
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45 | MD_TYPE_SHA384,
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46 | MD_TYPE_SHA512,
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47 | };
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48 |
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49 | struct mrb_md;
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50 | struct mrb_hmac;
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51 |
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52 | static void lib_init(void);
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53 | static int lib_md_block_length(const struct mrb_md *);
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54 | static mrb_value lib_md_digest(mrb_state *, const struct mrb_md *);
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55 | static mrb_value lib_md_digest_bang(mrb_state *, struct mrb_md *);
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56 | static int lib_md_digest_length(const struct mrb_md *);
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57 | static void lib_md_free(mrb_state *, void *);
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58 | static void lib_md_init(mrb_state *, struct mrb_md *, int);
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59 | static void lib_md_init_copy(mrb_state *, struct mrb_md *, struct mrb_md *);
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60 | static void lib_md_reset(mrb_state *, struct mrb_md *);
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61 | static void lib_md_update(mrb_state *, struct mrb_md *, unsigned char *, mrb_int);
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62 |
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63 | static mrb_value lib_hmac_digest(mrb_state *, const struct mrb_hmac *);
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64 | static int lib_hmac_block_length(const struct mrb_hmac *);
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65 | static int lib_hmac_digest_length(const struct mrb_hmac *);
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66 | static void lib_hmac_free(mrb_state *, void *);
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67 | static void lib_hmac_init(mrb_state *, struct mrb_hmac *, int, const unsigned char *, mrb_int);
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68 | static void lib_hmac_update(mrb_state *, struct mrb_hmac *, unsigned char *, mrb_int);
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69 |
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70 |
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71 | #if defined(USE_DIGEST_OPENSSL)
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72 | /*
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73 | * OpenSSL Implementation
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74 | */
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75 |
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76 | #define HAVE_MD5
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77 |
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78 | #ifndef OPENSSL_NO_RIPEMD
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79 | #define HAVE_RMD160
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80 | #endif
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81 |
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82 | #define HAVE_SHA1
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83 | #ifdef SHA256_DIGEST_LENGTH
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84 | #define HAVE_SHA256
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85 | #endif
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86 | #ifdef SHA512_DIGEST_LENGTH
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87 | #define HAVE_SHA384
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88 | #define HAVE_SHA512
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89 | #endif
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90 |
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91 | struct mrb_md {
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92 | EVP_MD_CTX *ctx;
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93 | };
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94 |
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95 | struct mrb_hmac {
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96 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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97 | HMAC_CTX *ctx;
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98 | #else
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99 | HMAC_CTX ctx;
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100 | #endif
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101 | const EVP_MD *md;
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102 | };
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103 |
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104 | static void
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105 | lib_md_free(mrb_state *mrb, void *ptr)
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106 | {
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107 | struct mrb_md *md = ptr;
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108 |
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109 | if (md != NULL) {
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110 | if (md->ctx != NULL) {
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111 | EVP_MD_CTX_destroy(md->ctx);
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112 | }
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113 | mrb_free(mrb, md);
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114 | }
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115 | }
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116 |
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117 | static void
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118 | lib_hmac_free(mrb_state *mrb, void *ptr)
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119 | {
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120 | struct mrb_hmac *hmac = ptr;
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121 |
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122 | if (hmac != NULL) {
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123 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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124 | HMAC_CTX_free(hmac->ctx);
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125 | #else
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126 | HMAC_CTX_cleanup(&hmac->ctx);
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127 | #endif
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128 | mrb_free(mrb, hmac);
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129 | }
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130 | }
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131 |
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132 | static struct mrb_data_type mrb_md_type = { "MD", lib_md_free };
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133 | static struct mrb_data_type mrb_hmac_type = { "HMAC", lib_hmac_free };
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134 |
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135 | static void
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136 | lib_init(void)
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137 | {
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138 | OpenSSL_add_all_digests();
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139 | }
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140 |
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141 | static int
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142 | lib_md_block_length(const struct mrb_md *md)
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143 | {
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144 | return EVP_MD_CTX_block_size(md->ctx);
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145 | }
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146 |
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147 | static mrb_value
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148 | lib_md_digest(mrb_state *mrb, const struct mrb_md *md)
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149 | {
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150 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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151 | EVP_MD_CTX *ctx;
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152 | #else
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153 | EVP_MD_CTX ctx;
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154 | #endif
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155 | unsigned int mdlen;
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156 | unsigned char mdstr[EVP_MAX_MD_SIZE];
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157 |
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158 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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159 | ctx = EVP_MD_CTX_new();
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160 | EVP_MD_CTX_copy(ctx, md->ctx);
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161 | EVP_DigestFinal(ctx, mdstr, &mdlen);
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162 | EVP_MD_CTX_free(ctx);
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163 | #else
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164 | EVP_MD_CTX_copy(&ctx, md->ctx);
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165 | EVP_DigestFinal(&ctx, mdstr, &mdlen);
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166 | #endif
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167 | return mrb_str_new(mrb, (char *)mdstr, mdlen);
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168 | }
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169 |
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170 | static mrb_value
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171 | lib_md_digest_bang(mrb_state *mrb, struct mrb_md *md)
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172 | {
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173 | unsigned int mdlen;
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174 | unsigned char mdstr[EVP_MAX_MD_SIZE];
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175 |
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176 | EVP_DigestFinal_ex(md->ctx, mdstr, &mdlen);
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177 | EVP_DigestInit_ex(md->ctx, EVP_MD_CTX_md(md->ctx), NULL);
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178 | return mrb_str_new(mrb, (char *)mdstr, mdlen);
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179 | }
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180 |
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181 | static int
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182 | lib_md_digest_length(const struct mrb_md *md)
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183 | {
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184 | return EVP_MD_CTX_size(md->ctx);
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185 | }
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186 |
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187 | const EVP_MD *
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188 | md_type_md(int type)
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189 | {
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190 | switch (type) {
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191 | case MD_TYPE_MD5: return EVP_md5();
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192 | #ifdef HAVE_RMD160
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193 | case MD_TYPE_RMD160: return EVP_ripemd160();
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194 | #endif
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195 | case MD_TYPE_SHA1: return EVP_sha1();
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196 | #ifdef HAVE_SHA256
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197 | case MD_TYPE_SHA256: return EVP_sha256();
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198 | #endif
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199 | #ifdef HAVE_SHA512
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200 | case MD_TYPE_SHA384: return EVP_sha384();
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201 | case MD_TYPE_SHA512: return EVP_sha512();
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202 | #endif
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203 | default: return NULL;
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204 | }
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205 | }
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206 |
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207 | static void
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208 | lib_md_init(mrb_state *mrb, struct mrb_md *md, int type)
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209 | {
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210 | const EVP_MD *evpmd;
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211 |
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212 | md->ctx = NULL;
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213 | evpmd = md_type_md(type);
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214 | if (!evpmd) {
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215 | mrb_raise(mrb, E_NOTIMP_ERROR, "not supported");
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216 | }
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217 | md->ctx = EVP_MD_CTX_create();
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218 | EVP_DigestInit_ex(md->ctx, evpmd, NULL);
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219 | }
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220 |
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221 | static void
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222 | lib_md_init_copy(mrb_state *mrb, struct mrb_md *mdnew, struct mrb_md *mdold)
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223 | {
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224 | mdnew->ctx = EVP_MD_CTX_create();
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225 | EVP_DigestInit_ex(mdnew->ctx, EVP_MD_CTX_md(mdold->ctx), NULL);
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226 | }
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227 |
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228 | static void
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229 | lib_md_reset(mrb_state *mrb, struct mrb_md *md)
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230 | {
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231 | //EVP_MD_CTX_init(&md->ctx);
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232 | EVP_DigestInit_ex(md->ctx, EVP_MD_CTX_md(md->ctx), NULL);
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233 | }
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234 |
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235 | static void
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236 | lib_md_update(mrb_state *mrb, struct mrb_md *md, unsigned char *str, mrb_int len)
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237 | {
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238 | #if MRB_INT_MAX > SIZE_MAX
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239 | if (len > SIZE_MAX) {
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240 | mrb_raise(mrb, E_ARGUMENT_ERROR, "too long string (not supported yet)");
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241 | }
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242 | #endif
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243 | EVP_DigestUpdate(md->ctx, str, len);
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244 | }
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245 |
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246 | static mrb_value
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247 | lib_hmac_digest(mrb_state *mrb, const struct mrb_hmac *hmac)
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248 | {
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249 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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250 | HMAC_CTX *ctx;
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251 | #else
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252 | HMAC_CTX ctx;
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253 | #endif
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254 | unsigned int mdlen;
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255 | unsigned char mdstr[EVP_MAX_MD_SIZE];
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256 |
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257 | memcpy(&ctx, &hmac->ctx, sizeof(ctx));
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258 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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259 | HMAC_Final(ctx, mdstr, &mdlen);
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260 | #else
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261 | HMAC_Final(&ctx, mdstr, &mdlen);
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262 | #endif
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263 | return mrb_str_new(mrb, (char *)mdstr, mdlen);
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264 | }
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265 |
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266 | static int
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267 | lib_hmac_block_length(const struct mrb_hmac *hmac)
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268 | {
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269 | return EVP_MD_block_size(hmac->md);
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270 | }
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271 |
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272 | static int
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273 | lib_hmac_digest_length(const struct mrb_hmac *hmac)
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274 | {
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275 | return EVP_MD_size(hmac->md);
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276 | }
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277 |
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278 | static void
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279 | lib_hmac_init(mrb_state *mrb, struct mrb_hmac *hmac, int type, const unsigned char *key, mrb_int keylen)
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280 | {
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281 | #if MRB_INT_MAX > INT_MAX
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282 | if (keylen > INT_MAX) {
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283 | mrb_raise(mrb, E_ARGUMENT_ERROR, "too long key");
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284 | }
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285 | #endif
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286 | hmac->md = md_type_md(type);
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287 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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288 | hmac->ctx = HMAC_CTX_new();
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289 | HMAC_Init_ex(hmac->ctx, key, keylen, hmac->md, NULL);
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290 | #else
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291 | HMAC_CTX_init(&hmac->ctx);
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292 | HMAC_Init_ex(&hmac->ctx, key, keylen, hmac->md, NULL);
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293 | #endif
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294 | }
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295 |
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296 | static void
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297 | lib_hmac_update(mrb_state *mrb, struct mrb_hmac *hmac, unsigned char *data, mrb_int len)
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298 | {
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299 | #if MRB_INT_MAX > INT_MAX
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300 | if (len > INT_MAX) {
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301 | mrb_raise(mrb, E_ARGUMENT_ERROR, "too long string (not supported yet)");
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302 | }
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303 | #endif
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304 | #if (OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined LIBRESSL_VERSION_NUMBER)
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305 | HMAC_Update(hmac->ctx, data, len);
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306 | #else
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307 | HMAC_Update(&hmac->ctx, data, len);
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308 | #endif
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309 | }
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310 |
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311 | #elif defined(USE_DIGEST_OSX_COMMONCRYPTO)
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312 | /*
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313 | * Mac OS X CommonCrypto Implementation
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314 | */
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315 |
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316 | #define HAVE_MD5
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317 | /* #define HAVE_RMD160 */
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318 | #define HAVE_SHA1
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319 | #define HAVE_SHA256
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320 | #define HAVE_SHA384
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321 | #define HAVE_SHA512
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322 |
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323 | struct mrb_md {
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324 | int type;
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325 | void *ctx;
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326 | int ctx_size;
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327 | };
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328 |
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329 | struct mrb_hmac {
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330 | int type;
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331 | CCHmacContext ctx;
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332 | };
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333 |
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334 | static int
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335 | md_ctx_size(int type)
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336 | {
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337 | switch (type) {
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338 | case MD_TYPE_MD5: return sizeof(CC_MD5_CTX);
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339 | case MD_TYPE_SHA1: return sizeof(CC_SHA1_CTX);
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340 | case MD_TYPE_SHA256: return sizeof(CC_SHA256_CTX);
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341 | case MD_TYPE_SHA384: return sizeof(CC_SHA512_CTX); /* ! */
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342 | case MD_TYPE_SHA512: return sizeof(CC_SHA512_CTX);
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343 | default: return 0;
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344 | }
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345 | }
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346 |
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347 | static void
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348 | lib_md_free(mrb_state *mrb, void *ptr)
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349 | {
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350 | struct mrb_md *md = ptr;
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351 |
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352 | memset(md->ctx, 0, md_ctx_size(md->type));
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353 | mrb_free(mrb, md->ctx);
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354 | mrb_free(mrb, md);
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355 | }
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356 |
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357 | static void
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358 | lib_hmac_free(mrb_state *mrb, void *ptr)
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359 | {
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360 | struct mrb_hmac *hmac = ptr;
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361 |
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362 | memset(&hmac->ctx, 0, sizeof(hmac->ctx));
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363 | mrb_free(mrb, hmac);
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364 | }
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365 |
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366 | static struct mrb_data_type mrb_md_type = { "MD", lib_md_free };
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367 | static struct mrb_data_type mrb_hmac_type = { "HMAC", lib_hmac_free };
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368 |
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369 | #define MAX_DIGEST_LENGTH CC_SHA512_DIGEST_LENGTH
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370 |
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371 | union ctx_union {
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372 | CC_MD5_CTX md5;
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373 | CC_SHA1_CTX sha1;
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374 | CC_SHA256_CTX sha256;
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375 | /* we don't have CC_SHA384_CTX! */
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376 | CC_SHA512_CTX sha512;
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377 | };
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378 |
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379 | static void
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380 | lib_init(void)
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381 | {
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382 | }
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383 |
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384 | static int
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385 | md_block_length(int type)
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386 | {
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387 | switch (type) {
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388 | case MD_TYPE_MD5: return CC_MD5_BLOCK_BYTES;
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389 | case MD_TYPE_SHA1: return CC_SHA1_BLOCK_BYTES;
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390 | case MD_TYPE_SHA256: return CC_SHA256_BLOCK_BYTES;
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391 | case MD_TYPE_SHA384: return CC_SHA384_BLOCK_BYTES;
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392 | case MD_TYPE_SHA512: return CC_SHA512_BLOCK_BYTES;
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393 | default: return 0;
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394 | }
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395 | }
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396 |
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397 | static int
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398 | lib_md_block_length(const struct mrb_md *md)
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399 | {
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400 | return md_block_length(md->type);
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401 | }
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402 |
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403 | static void
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404 | md_init(int type, void *ctxp)
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405 | {
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406 | switch (type) {
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407 | case MD_TYPE_MD5: CC_MD5_Init(ctxp); break;
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408 | case MD_TYPE_SHA1: CC_SHA1_Init(ctxp); break;
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409 | case MD_TYPE_SHA256: CC_SHA256_Init(ctxp); break;
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410 | case MD_TYPE_SHA384: CC_SHA384_Init(ctxp); break;
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411 | case MD_TYPE_SHA512: CC_SHA512_Init(ctxp); break;
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412 | default: break;
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413 | }
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414 | }
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415 |
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416 | static void
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417 | md_final(int type, unsigned char *str, void *ctx)
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418 | {
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419 | switch (type) {
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420 | case MD_TYPE_MD5: CC_MD5_Final(str, ctx); break;
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421 | case MD_TYPE_SHA1: CC_SHA1_Final(str, ctx); break;
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422 | case MD_TYPE_SHA256: CC_SHA256_Final(str, ctx); break;
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423 | case MD_TYPE_SHA384: CC_SHA384_Final(str, ctx); break;
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424 | case MD_TYPE_SHA512: CC_SHA512_Final(str, ctx); break;
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425 | default: break;
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426 | }
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427 | }
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428 |
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429 | static int
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430 | md_digest_length(int type)
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431 | {
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432 | switch (type) {
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433 | case MD_TYPE_MD5: return 16;
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434 | case MD_TYPE_SHA1: return 20;
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435 | case MD_TYPE_SHA256: return 32;
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436 | case MD_TYPE_SHA384: return 48;
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437 | case MD_TYPE_SHA512: return 64;
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438 | default: return 0;
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439 | }
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440 | }
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441 |
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442 | static mrb_value
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443 | lib_md_digest(mrb_state *mrb, const struct mrb_md *md)
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444 | {
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445 | union ctx_union ctx;
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446 | unsigned char mdstr[MAX_DIGEST_LENGTH];
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447 |
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448 | memcpy(&ctx, md->ctx, md_ctx_size(md->type));
|
---|
449 | md_final(md->type, mdstr, &ctx);
|
---|
450 | return mrb_str_new(mrb, (char *)mdstr, md_digest_length(md->type));
|
---|
451 | }
|
---|
452 |
|
---|
453 | static mrb_value
|
---|
454 | lib_md_digest_bang(mrb_state *mrb, struct mrb_md *md)
|
---|
455 | {
|
---|
456 | unsigned char mdstr[MAX_DIGEST_LENGTH];
|
---|
457 |
|
---|
458 | md_final(md->type, mdstr, md->ctx);
|
---|
459 | md_init(md->type, md->ctx);
|
---|
460 | return mrb_str_new(mrb, (char *)mdstr, md_digest_length(md->type));
|
---|
461 | }
|
---|
462 |
|
---|
463 | static int
|
---|
464 | lib_md_digest_length(const struct mrb_md *md)
|
---|
465 | {
|
---|
466 | return md_digest_length(md->type);
|
---|
467 | }
|
---|
468 |
|
---|
469 | static void
|
---|
470 | lib_md_init(mrb_state *mrb, struct mrb_md *md, int type)
|
---|
471 | {
|
---|
472 | int ctxsize;
|
---|
473 |
|
---|
474 | ctxsize = md_ctx_size(type);
|
---|
475 | if (ctxsize == 0) {
|
---|
476 | mrb_raise(mrb, E_NOTIMP_ERROR, "not supported");
|
---|
477 | }
|
---|
478 | md->type = type;
|
---|
479 | md->ctx = NULL;
|
---|
480 | md->ctx = mrb_malloc(mrb, ctxsize);
|
---|
481 | md_init(type, md->ctx);
|
---|
482 | }
|
---|
483 |
|
---|
484 | static void
|
---|
485 | lib_md_init_copy(mrb_state *mrb, struct mrb_md *mdnew, struct mrb_md *mdold)
|
---|
486 | {
|
---|
487 | lib_md_init(mrb, mdnew, mdold->type);
|
---|
488 | }
|
---|
489 |
|
---|
490 | static void
|
---|
491 | lib_md_reset(mrb_state *mrb, struct mrb_md *md)
|
---|
492 | {
|
---|
493 | md_init(md->type, md->ctx);
|
---|
494 | }
|
---|
495 |
|
---|
496 | static void
|
---|
497 | lib_md_update(mrb_state *mrb, struct mrb_md *md, unsigned char *data, mrb_int len)
|
---|
498 | {
|
---|
499 | if (sizeof(len) > sizeof(CC_LONG)) {
|
---|
500 | if (len != (CC_LONG)len) {
|
---|
501 | mrb_raise(mrb, E_ARGUMENT_ERROR, "too long string (not supported yet)");
|
---|
502 | }
|
---|
503 | }
|
---|
504 | switch (md->type) {
|
---|
505 | case MD_TYPE_MD5: CC_MD5_Update(md->ctx, data, len); break;
|
---|
506 | case MD_TYPE_SHA1: CC_SHA1_Update(md->ctx, data, len); break;
|
---|
507 | case MD_TYPE_SHA256: CC_SHA256_Update(md->ctx, data, len); break;
|
---|
508 | case MD_TYPE_SHA384: CC_SHA384_Update(md->ctx, data, len); break;
|
---|
509 | case MD_TYPE_SHA512: CC_SHA512_Update(md->ctx, data, len); break;
|
---|
510 | default: break;
|
---|
511 | }
|
---|
512 | }
|
---|
513 |
|
---|
514 | static int
|
---|
515 | lib_hmac_block_length(const struct mrb_hmac *hmac)
|
---|
516 | {
|
---|
517 | return md_block_length(hmac->type);
|
---|
518 | }
|
---|
519 |
|
---|
520 | static mrb_value
|
---|
521 | lib_hmac_digest(mrb_state *mrb, const struct mrb_hmac *hmac)
|
---|
522 | {
|
---|
523 | CCHmacContext ctx;
|
---|
524 | unsigned char str[MAX_DIGEST_LENGTH];
|
---|
525 |
|
---|
526 | memcpy(&ctx, &hmac->ctx, sizeof(ctx));
|
---|
527 | CCHmacFinal(&ctx, str);
|
---|
528 | return mrb_str_new(mrb, (const char *)str, md_digest_length(hmac->type));
|
---|
529 | }
|
---|
530 |
|
---|
531 | static int
|
---|
532 | lib_hmac_digest_length(const struct mrb_hmac *hmac)
|
---|
533 | {
|
---|
534 | return md_digest_length(hmac->type);
|
---|
535 | }
|
---|
536 |
|
---|
537 | static void
|
---|
538 | lib_hmac_init(mrb_state *mrb, struct mrb_hmac *hmac, int type, const unsigned char *key, mrb_int keylen)
|
---|
539 | {
|
---|
540 | CCHmacAlgorithm algorithm;
|
---|
541 |
|
---|
542 | #if MRB_INT_MAX > SIZE_MAX
|
---|
543 | if (len > SIZE_MAX) {
|
---|
544 | mrb_raise(mrb, E_ARGUMENT_ERROR, "too long key");
|
---|
545 | }
|
---|
546 | #endif
|
---|
547 | switch (type) {
|
---|
548 | case MD_TYPE_MD5: algorithm = kCCHmacAlgMD5; break;
|
---|
549 | case MD_TYPE_SHA1: algorithm = kCCHmacAlgSHA1; break;
|
---|
550 | case MD_TYPE_SHA256: algorithm = kCCHmacAlgSHA256; break;
|
---|
551 | case MD_TYPE_SHA384: algorithm = kCCHmacAlgSHA384; break;
|
---|
552 | case MD_TYPE_SHA512: algorithm = kCCHmacAlgSHA512; break;
|
---|
553 | default:
|
---|
554 | mrb_raisef(mrb, E_RUNTIME_ERROR, "mruby-digest: internal error: unexpected HMAC type: %S", mrb_fixnum_value(type));
|
---|
555 | algorithm = 0;
|
---|
556 | break;
|
---|
557 | }
|
---|
558 | hmac->type = type;
|
---|
559 | CCHmacInit(&hmac->ctx, algorithm, key, keylen);
|
---|
560 | }
|
---|
561 |
|
---|
562 | static void
|
---|
563 | lib_hmac_update(mrb_state *mrb, struct mrb_hmac *hmac, unsigned char *data, mrb_int len)
|
---|
564 | {
|
---|
565 | #if MRB_INT_MAX > SIZE_MAX
|
---|
566 | if (len > SIZE_MAX) {
|
---|
567 | mrb_raise(mrb, E_ARGUMENT_ERROR, "too long string");
|
---|
568 | }
|
---|
569 | #endif
|
---|
570 | CCHmacUpdate(&hmac->ctx, data, len);
|
---|
571 | }
|
---|
572 |
|
---|
573 | #endif
|
---|
574 |
|
---|
575 | static void
|
---|
576 | basecheck(mrb_state *mrb, mrb_value self, struct mrb_md **mdp)
|
---|
577 | {
|
---|
578 | struct RClass *c;
|
---|
579 | struct mrb_md *md;
|
---|
580 | mrb_value t;
|
---|
581 |
|
---|
582 | c = mrb_obj_class(mrb, self);
|
---|
583 | t = mrb_const_get(mrb, mrb_obj_value(c), mrb_intern_lit(mrb, TYPESYM));
|
---|
584 | if (mrb_nil_p(t)) {
|
---|
585 | mrb_raise(mrb, E_NOTIMP_ERROR, "Digest::Base is an abstract class");
|
---|
586 | }
|
---|
587 | md = (struct mrb_md *)DATA_PTR(self);
|
---|
588 | if (!md) {
|
---|
589 | mrb_raise(mrb, E_RUNTIME_ERROR, "no md found (BUG?)");
|
---|
590 | }
|
---|
591 | if (mdp) *mdp = md;
|
---|
592 | }
|
---|
593 |
|
---|
594 | static mrb_value
|
---|
595 | mrb_digest_block_length(mrb_state *mrb, mrb_value self)
|
---|
596 | {
|
---|
597 | struct mrb_md *md;
|
---|
598 |
|
---|
599 | basecheck(mrb, self, &md);
|
---|
600 | return mrb_fixnum_value(lib_md_block_length(md));
|
---|
601 | }
|
---|
602 |
|
---|
603 | static mrb_value
|
---|
604 | mrb_digest_digest(mrb_state *mrb, mrb_value self)
|
---|
605 | {
|
---|
606 | struct mrb_md *md;
|
---|
607 |
|
---|
608 | md = (struct mrb_md *)DATA_PTR(self);
|
---|
609 | if (!md) return mrb_nil_value();
|
---|
610 | return lib_md_digest(mrb, md);
|
---|
611 | }
|
---|
612 |
|
---|
613 | static mrb_value
|
---|
614 | mrb_digest_digest_bang(mrb_state *mrb, mrb_value self)
|
---|
615 | {
|
---|
616 | struct mrb_md *md;
|
---|
617 |
|
---|
618 | md = (struct mrb_md *)DATA_PTR(self);
|
---|
619 | if (!md) return mrb_nil_value();
|
---|
620 | return lib_md_digest_bang(mrb, md);
|
---|
621 | }
|
---|
622 |
|
---|
623 | static mrb_value
|
---|
624 | mrb_digest_digest_length(mrb_state *mrb, mrb_value self)
|
---|
625 | {
|
---|
626 | struct mrb_md *md;
|
---|
627 |
|
---|
628 | basecheck(mrb, self, &md);
|
---|
629 | return mrb_fixnum_value(lib_md_digest_length(md));
|
---|
630 | }
|
---|
631 |
|
---|
632 | static mrb_value
|
---|
633 | digest2hexdigest(mrb_state *mrb, mrb_value b)
|
---|
634 | {
|
---|
635 | mrb_value h;
|
---|
636 | int i, len;
|
---|
637 | char *bp, buf[3];
|
---|
638 |
|
---|
639 | bp = RSTRING_PTR(b);
|
---|
640 | len = RSTRING_LEN(b);
|
---|
641 | h = mrb_str_buf_new(mrb, len * 2);
|
---|
642 | for (i = 0; i < len; i++) {
|
---|
643 | snprintf(buf, sizeof(buf), "%02x", (unsigned char )bp[i]);
|
---|
644 | mrb_str_buf_cat(mrb, h, buf, 2);
|
---|
645 | }
|
---|
646 | return h;
|
---|
647 | }
|
---|
648 |
|
---|
649 | static mrb_value
|
---|
650 | mrb_digest_hexdigest(mrb_state *mrb, mrb_value self)
|
---|
651 | {
|
---|
652 | return digest2hexdigest(mrb, mrb_digest_digest(mrb, self));
|
---|
653 | }
|
---|
654 |
|
---|
655 | static mrb_value
|
---|
656 | mrb_digest_init(mrb_state *mrb, mrb_value self)
|
---|
657 | {
|
---|
658 | struct RClass *c;
|
---|
659 | struct mrb_md *md;
|
---|
660 | mrb_value t;
|
---|
661 |
|
---|
662 | md = (struct mrb_md *)DATA_PTR(self);
|
---|
663 | if (md) {
|
---|
664 | lib_md_free(mrb, md);
|
---|
665 | }
|
---|
666 | DATA_TYPE(self) = &mrb_md_type;
|
---|
667 | DATA_PTR(self) = NULL;
|
---|
668 |
|
---|
669 | c = mrb_obj_class(mrb, self);
|
---|
670 | if (!mrb_const_defined(mrb, mrb_obj_value(c), mrb_intern_lit(mrb, TYPESYM))) {
|
---|
671 | mrb_raise(mrb, E_NOTIMP_ERROR, "Digest::Base is an abstract class");
|
---|
672 | }
|
---|
673 | t = mrb_const_get(mrb, mrb_obj_value(c), mrb_intern_lit(mrb, TYPESYM));
|
---|
674 | #if 0
|
---|
675 | if (lib_md_supported(t)) {
|
---|
676 | mrb_raise(mrb, E_NOTIMP_ERROR, "unknown algorithm");
|
---|
677 | }
|
---|
678 | #endif
|
---|
679 |
|
---|
680 | md = (struct mrb_md *)mrb_malloc(mrb, sizeof(*md));
|
---|
681 | DATA_PTR(self) = md;
|
---|
682 | lib_md_init(mrb, md, mrb_fixnum(t));
|
---|
683 | return self;
|
---|
684 | }
|
---|
685 |
|
---|
686 | static mrb_value
|
---|
687 | mrb_digest_init_copy(mrb_state *mrb, mrb_value copy)
|
---|
688 | {
|
---|
689 | struct mrb_md *m1, *m2;
|
---|
690 | mrb_value src;
|
---|
691 |
|
---|
692 | mrb_get_args(mrb, "o", &src);
|
---|
693 | if (mrb_obj_equal(mrb, copy, src)) return copy;
|
---|
694 | if (!mrb_obj_is_instance_of(mrb, src, mrb_obj_class(mrb, copy))) {
|
---|
695 | mrb_raise(mrb, E_TYPE_ERROR, "wrong argument class");
|
---|
696 | }
|
---|
697 | if (!DATA_PTR(copy)) {
|
---|
698 | DATA_PTR(copy) = mrb_malloc(mrb, sizeof(struct mrb_md));
|
---|
699 | DATA_TYPE(copy) = &mrb_md_type;
|
---|
700 | }
|
---|
701 | m1 = DATA_PTR(src);
|
---|
702 | m2 = DATA_PTR(copy);
|
---|
703 | lib_md_init_copy(mrb, m2, m1);
|
---|
704 | return copy;
|
---|
705 | }
|
---|
706 |
|
---|
707 | static mrb_value
|
---|
708 | mrb_digest_reset(mrb_state *mrb, mrb_value self)
|
---|
709 | {
|
---|
710 | struct mrb_md *md;
|
---|
711 |
|
---|
712 | md = (struct mrb_md *)DATA_PTR(self);
|
---|
713 | if (!md) return mrb_nil_value();
|
---|
714 | lib_md_reset(mrb, md);
|
---|
715 | return self;
|
---|
716 | }
|
---|
717 |
|
---|
718 | static mrb_value
|
---|
719 | mrb_digest_update(mrb_state *mrb, mrb_value self)
|
---|
720 | {
|
---|
721 | struct mrb_md *md;
|
---|
722 | mrb_int len;
|
---|
723 | char *str;
|
---|
724 |
|
---|
725 | md = (struct mrb_md *)DATA_PTR(self);
|
---|
726 | if (!md) return mrb_nil_value();
|
---|
727 | mrb_get_args(mrb, "s", &str, &len);
|
---|
728 | lib_md_update(mrb, md, (unsigned char *)str, len);
|
---|
729 | return self;
|
---|
730 | }
|
---|
731 |
|
---|
732 | static mrb_value
|
---|
733 | mrb_hmac_block_length(mrb_state *mrb, mrb_value self)
|
---|
734 | {
|
---|
735 | struct mrb_hmac *hmac;
|
---|
736 |
|
---|
737 | hmac = (struct mrb_hmac *)DATA_PTR(self);
|
---|
738 | if (!hmac) return mrb_nil_value();
|
---|
739 | return mrb_fixnum_value(lib_hmac_block_length(hmac));
|
---|
740 | }
|
---|
741 |
|
---|
742 | static mrb_value
|
---|
743 | mrb_hmac_digest(mrb_state *mrb, mrb_value self)
|
---|
744 | {
|
---|
745 | struct mrb_hmac *hmac;
|
---|
746 |
|
---|
747 | hmac = (struct mrb_hmac *)DATA_PTR(self);
|
---|
748 | if (!hmac) return mrb_nil_value();
|
---|
749 | return lib_hmac_digest(mrb, hmac);
|
---|
750 | }
|
---|
751 |
|
---|
752 | static mrb_value
|
---|
753 | mrb_hmac_digest_length(mrb_state *mrb, mrb_value self)
|
---|
754 | {
|
---|
755 | struct mrb_hmac *hmac;
|
---|
756 |
|
---|
757 | hmac = (struct mrb_hmac *)DATA_PTR(self);
|
---|
758 | if (!hmac) return mrb_nil_value();
|
---|
759 | return mrb_fixnum_value(lib_hmac_digest_length(hmac));
|
---|
760 | }
|
---|
761 |
|
---|
762 | static mrb_value
|
---|
763 | mrb_hmac_hexdigest(mrb_state *mrb, mrb_value self)
|
---|
764 | {
|
---|
765 | return digest2hexdigest(mrb, mrb_hmac_digest(mrb, self));
|
---|
766 | }
|
---|
767 |
|
---|
768 | static mrb_value
|
---|
769 | mrb_hmac_init(mrb_state *mrb, mrb_value self)
|
---|
770 | {
|
---|
771 | struct mrb_hmac *hmac;
|
---|
772 | mrb_value digest, t;
|
---|
773 | mrb_int keylen;
|
---|
774 | char *key;
|
---|
775 |
|
---|
776 | hmac = (struct mrb_hmac *)DATA_PTR(self);
|
---|
777 | if (hmac) {
|
---|
778 | lib_hmac_free(mrb, hmac);
|
---|
779 | }
|
---|
780 | DATA_TYPE(self) = &mrb_hmac_type;
|
---|
781 | DATA_PTR(self) = NULL;
|
---|
782 |
|
---|
783 | mrb_get_args(mrb, "so", &key, &keylen, &digest);
|
---|
784 | t = mrb_const_get(mrb, digest, mrb_intern_lit(mrb, TYPESYM));
|
---|
785 | if (mrb_nil_p(t)) {
|
---|
786 | mrb_raise(mrb, E_RUNTIME_ERROR, "not a digester");
|
---|
787 | }
|
---|
788 |
|
---|
789 | hmac = (struct mrb_hmac *)mrb_malloc(mrb, sizeof(*hmac));
|
---|
790 | DATA_PTR(self) = hmac;
|
---|
791 | lib_hmac_init(mrb, hmac, mrb_fixnum(t), (unsigned char *)key, keylen);
|
---|
792 | return self;
|
---|
793 | }
|
---|
794 |
|
---|
795 | static mrb_value
|
---|
796 | mrb_hmac_init_copy(mrb_state *mrb, mrb_value copy)
|
---|
797 | {
|
---|
798 | mrb_raise(mrb, E_RUNTIME_ERROR, "cannot duplicate HMAC");
|
---|
799 | return copy;
|
---|
800 | }
|
---|
801 |
|
---|
802 | static mrb_value
|
---|
803 | mrb_hmac_update(mrb_state *mrb, mrb_value self)
|
---|
804 | {
|
---|
805 | struct mrb_hmac *hmac;
|
---|
806 | mrb_int len;
|
---|
807 | char *str;
|
---|
808 |
|
---|
809 | hmac = (struct mrb_hmac *)DATA_PTR(self);
|
---|
810 | if (!hmac) return mrb_nil_value();
|
---|
811 | mrb_get_args(mrb, "s", &str, &len);
|
---|
812 | lib_hmac_update(mrb, hmac, (unsigned char *)str, len);
|
---|
813 | return self;
|
---|
814 | }
|
---|
815 |
|
---|
816 |
|
---|
817 | void
|
---|
818 | mrb_mruby_digest_gem_init(mrb_state *mrb)
|
---|
819 | {
|
---|
820 | struct RClass *b, *d, *h;
|
---|
821 |
|
---|
822 | lib_init();
|
---|
823 |
|
---|
824 | d = mrb_define_module(mrb, "Digest");
|
---|
825 |
|
---|
826 | b = mrb_define_class_under(mrb, d, "Base", mrb->object_class);
|
---|
827 | mrb_define_method(mrb, b, "block_length", mrb_digest_block_length, MRB_ARGS_NONE());
|
---|
828 | mrb_define_method(mrb, b, "digest", mrb_digest_digest, MRB_ARGS_NONE());
|
---|
829 | mrb_define_method(mrb, b, "digest!", mrb_digest_digest_bang, MRB_ARGS_NONE()); /* XXX: can be defined in mrblib... */
|
---|
830 | mrb_define_method(mrb, b, "digest_length", mrb_digest_digest_length, MRB_ARGS_NONE());
|
---|
831 | //mrb_define_method(mrb, b, "file", mrb_digest_file, MRB_ARGS_REQ(1));
|
---|
832 | mrb_define_method(mrb, b, "hexdigest", mrb_digest_hexdigest, MRB_ARGS_NONE());
|
---|
833 | //mrb_define_method(mrb, b, "hexdigest!", mrb_digest_hexdigest_bang, MRB_ARGS_NONE()); /* XXX: can be defined in mrblib... */
|
---|
834 | mrb_define_method(mrb, b, "initialize", mrb_digest_init, MRB_ARGS_NONE());
|
---|
835 | mrb_define_method(mrb, b, "initialize_copy", mrb_digest_init_copy, MRB_ARGS_REQ(1));
|
---|
836 | mrb_define_method(mrb, b, "reset", mrb_digest_reset, MRB_ARGS_NONE());
|
---|
837 | mrb_define_method(mrb, b, "update", mrb_digest_update, MRB_ARGS_REQ(1));
|
---|
838 |
|
---|
839 | #define DEFCLASS(n) \
|
---|
840 | do { \
|
---|
841 | struct RClass *a = mrb_define_class_under(mrb, d, #n, b); \
|
---|
842 | MRB_SET_INSTANCE_TT(a, MRB_TT_DATA); \
|
---|
843 | mrb_define_const(mrb, a, TYPESYM, mrb_fixnum_value(MD_TYPE_##n)); \
|
---|
844 | } while (0)
|
---|
845 |
|
---|
846 | #ifdef HAVE_MD5
|
---|
847 | DEFCLASS(MD5);
|
---|
848 | #endif
|
---|
849 | #ifdef HAVE_RMD160
|
---|
850 | DEFCLASS(RMD160);
|
---|
851 | #endif
|
---|
852 | #ifdef HAVE_SHA1
|
---|
853 | DEFCLASS(SHA1);
|
---|
854 | #endif
|
---|
855 | #ifdef HAVE_SHA256
|
---|
856 | DEFCLASS(SHA256);
|
---|
857 | #endif
|
---|
858 | #ifdef HAVE_SHA384
|
---|
859 | DEFCLASS(SHA384);
|
---|
860 | #endif
|
---|
861 | #ifdef HAVE_SHA512
|
---|
862 | DEFCLASS(SHA512);
|
---|
863 | #endif
|
---|
864 |
|
---|
865 | h = mrb_define_class_under(mrb, d, "HMAC", mrb->object_class);
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866 | MRB_SET_INSTANCE_TT(h, MRB_TT_DATA);
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867 | mrb_define_method(mrb, h, "block_length", mrb_hmac_block_length, MRB_ARGS_NONE());
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868 | mrb_define_method(mrb, h, "digest", mrb_hmac_digest, MRB_ARGS_NONE());
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869 | mrb_define_method(mrb, h, "digest_length", mrb_hmac_digest_length, MRB_ARGS_NONE());
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870 | mrb_define_method(mrb, h, "hexdigest", mrb_hmac_hexdigest, MRB_ARGS_NONE());
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871 | mrb_define_method(mrb, h, "initialize", mrb_hmac_init, MRB_ARGS_REQ(2));
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---|
872 | mrb_define_method(mrb, h, "initialize_copy", mrb_hmac_init_copy, MRB_ARGS_REQ(1));
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---|
873 | mrb_define_method(mrb, h, "update", mrb_hmac_update, MRB_ARGS_REQ(1));
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874 | }
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875 |
|
---|
876 | void
|
---|
877 | mrb_mruby_digest_gem_final(mrb_state *mrb)
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878 | {
|
---|
879 | }
|
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