Mercurial > dropbear

annotate src/headers/tomcrypt_hash.h @ 210:4768b55c5240 libtomcrypt

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propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 33c416b902f1a44913d825bae7ad9a160f703ed3) to branch 'au.asn.ucc.matt.dropbear.ltc' (head 4d6aec6e6121e13f68c11c149b6579c41cb63e74)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 Jul 2005 12:10:23 +0000
parents 39d5d58461d6
children
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1 /* ---- HASH FUNCTIONS ---- */
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2 #ifdef SHA512
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3 struct sha512_state {
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4 ulong64 length, state[8];
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5 unsigned long curlen;
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6 unsigned char buf[128];
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7 };
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8 #endif
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9
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10 #ifdef SHA256
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11 struct sha256_state {
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12 ulong64 length;
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13 ulong32 state[8], curlen;
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14 unsigned char buf[64];
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15 };
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16 #endif
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17
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18 #ifdef SHA1
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19 struct sha1_state {
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20 ulong64 length;
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21 ulong32 state[5], curlen;
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22 unsigned char buf[64];
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23 };
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24 #endif
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25
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26 #ifdef MD5
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27 struct md5_state {
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28 ulong64 length;
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29 ulong32 state[4], curlen;
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30 unsigned char buf[64];
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31 };
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32 #endif
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33
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34 #ifdef MD4
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35 struct md4_state {
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36 ulong64 length;
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37 ulong32 state[4], curlen;
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38 unsigned char buf[64];
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39 };
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40 #endif
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41
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42 #ifdef TIGER
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43 struct tiger_state {
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44 ulong64 state[3], length;
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45 unsigned long curlen;
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46 unsigned char buf[64];
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47 };
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48 #endif
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49
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50 #ifdef MD2
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51 struct md2_state {
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52 unsigned char chksum[16], X[48], buf[16];
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53 unsigned long curlen;
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54 };
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55 #endif
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56
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57 #ifdef RIPEMD128
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58 struct rmd128_state {
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59 ulong64 length;
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60 unsigned char buf[64];
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61 ulong32 curlen, state[4];
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62 };
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63 #endif
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64
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65 #ifdef RIPEMD160
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66 struct rmd160_state {
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67 ulong64 length;
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68 unsigned char buf[64];
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69 ulong32 curlen, state[5];
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70 };
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71 #endif
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72
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73 #ifdef WHIRLPOOL
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74 struct whirlpool_state {
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75 ulong64 length, state[8];
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76 unsigned char buf[64];
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77 ulong32 curlen;
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78 };
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79 #endif
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80
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81 #ifdef CHC_HASH
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82 struct chc_state {
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83 ulong64 length;
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84 unsigned char state[MAXBLOCKSIZE], buf[MAXBLOCKSIZE];
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85 ulong32 curlen;
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86 };
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87 #endif
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88
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89 typedef union Hash_state {
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90 #ifdef CHC_HASH
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91 struct chc_state chc;
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92 #endif
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93 #ifdef WHIRLPOOL
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94 struct whirlpool_state whirlpool;
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95 #endif
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96 #ifdef SHA512
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97 struct sha512_state sha512;
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98 #endif
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99 #ifdef SHA256
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100 struct sha256_state sha256;
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101 #endif
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102 #ifdef SHA1
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103 struct sha1_state sha1;
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104 #endif
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105 #ifdef MD5
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106 struct md5_state md5;
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107 #endif
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108 #ifdef MD4
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109 struct md4_state md4;
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110 #endif
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111 #ifdef MD2
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112 struct md2_state md2;
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113 #endif
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114 #ifdef TIGER
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115 struct tiger_state tiger;
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116 #endif
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117 #ifdef RIPEMD128
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118 struct rmd128_state rmd128;
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119 #endif
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120 #ifdef RIPEMD160
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121 struct rmd160_state rmd160;
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122 #endif
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123 void *data;
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124 } hash_state;
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125
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126 extern struct ltc_hash_descriptor {
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127 /** name of hash */
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128 char *name;
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129 /** internal ID */
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130 unsigned char ID;
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131 /** Size of digest in octets */
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132 unsigned long hashsize;
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133 /** Input block size in octets */
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134 unsigned long blocksize;
209
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135 /** ASN.1 OID */
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136 unsigned long OID[16];
191
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137 /** Length of DER encoding */
209
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138 unsigned long OIDlen;
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139
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140 /** Init a hash state
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141 @param hash The hash to initialize
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142 @return CRYPT_OK if successful
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143 */
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144 int (*init)(hash_state *hash);
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145 /** Process a block of data
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146 @param hash The hash state
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147 @param in The data to hash
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148 @param inlen The length of the data (octets)
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149 @return CRYPT_OK if successful
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150 */
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151 int (*process)(hash_state *hash, const unsigned char *in, unsigned long inlen);
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152 /** Produce the digest and store it
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153 @param hash The hash state
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154 @param out [out] The destination of the digest
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155 @return CRYPT_OK if successful
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156 */
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157 int (*done)(hash_state *hash, unsigned char *out);
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158 /** Self-test
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159 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
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160 */
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161 int (*test)(void);
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162 } hash_descriptor[];
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163
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164 #ifdef CHC_HASH
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165 int chc_register(int cipher);
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166 int chc_init(hash_state * md);
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167 int chc_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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168 int chc_done(hash_state * md, unsigned char *hash);
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169 int chc_test(void);
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170 extern const struct ltc_hash_descriptor chc_desc;
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171 #endif
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172
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173 #ifdef WHIRLPOOL
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174 int whirlpool_init(hash_state * md);
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175 int whirlpool_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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176 int whirlpool_done(hash_state * md, unsigned char *hash);
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177 int whirlpool_test(void);
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178 extern const struct ltc_hash_descriptor whirlpool_desc;
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179 #endif
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180
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181 #ifdef SHA512
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182 int sha512_init(hash_state * md);
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183 int sha512_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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184 int sha512_done(hash_state * md, unsigned char *hash);
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185 int sha512_test(void);
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186 extern const struct ltc_hash_descriptor sha512_desc;
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187 #endif
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188
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189 #ifdef SHA384
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190 #ifndef SHA512
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191 #error SHA512 is required for SHA384
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192 #endif
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193 int sha384_init(hash_state * md);
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194 #define sha384_process sha512_process
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195 int sha384_done(hash_state * md, unsigned char *hash);
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196 int sha384_test(void);
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197 extern const struct ltc_hash_descriptor sha384_desc;
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198 #endif
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199
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200 #ifdef SHA256
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201 int sha256_init(hash_state * md);
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202 int sha256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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203 int sha256_done(hash_state * md, unsigned char *hash);
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204 int sha256_test(void);
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205 extern const struct ltc_hash_descriptor sha256_desc;
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206
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207 #ifdef SHA224
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208 #ifndef SHA256
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209 #error SHA256 is required for SHA224
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210 #endif
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211 int sha224_init(hash_state * md);
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212 #define sha224_process sha256_process
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213 int sha224_done(hash_state * md, unsigned char *hash);
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214 int sha224_test(void);
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215 extern const struct ltc_hash_descriptor sha224_desc;
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216 #endif
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217 #endif
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218
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219 #ifdef SHA1
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220 int sha1_init(hash_state * md);
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221 int sha1_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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222 int sha1_done(hash_state * md, unsigned char *hash);
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223 int sha1_test(void);
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224 extern const struct ltc_hash_descriptor sha1_desc;
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225 #endif
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226
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227 #ifdef MD5
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228 int md5_init(hash_state * md);
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229 int md5_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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230 int md5_done(hash_state * md, unsigned char *hash);
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231 int md5_test(void);
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232 extern const struct ltc_hash_descriptor md5_desc;
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233 #endif
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234
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235 #ifdef MD4
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236 int md4_init(hash_state * md);
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237 int md4_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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238 int md4_done(hash_state * md, unsigned char *hash);
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239 int md4_test(void);
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240 extern const struct ltc_hash_descriptor md4_desc;
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241 #endif
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242
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243 #ifdef MD2
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244 int md2_init(hash_state * md);
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245 int md2_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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246 int md2_done(hash_state * md, unsigned char *hash);
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247 int md2_test(void);
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248 extern const struct ltc_hash_descriptor md2_desc;
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249 #endif
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250
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251 #ifdef TIGER
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252 int tiger_init(hash_state * md);
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253 int tiger_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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254 int tiger_done(hash_state * md, unsigned char *hash);
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255 int tiger_test(void);
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256 extern const struct ltc_hash_descriptor tiger_desc;
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257 #endif
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258
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259 #ifdef RIPEMD128
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260 int rmd128_init(hash_state * md);
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261 int rmd128_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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262 int rmd128_done(hash_state * md, unsigned char *hash);
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263 int rmd128_test(void);
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264 extern const struct ltc_hash_descriptor rmd128_desc;
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265 #endif
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266
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267 #ifdef RIPEMD160
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268 int rmd160_init(hash_state * md);
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269 int rmd160_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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270 int rmd160_done(hash_state * md, unsigned char *hash);
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271 int rmd160_test(void);
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272 extern const struct ltc_hash_descriptor rmd160_desc;
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273 #endif
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274
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275 int find_hash(const char *name);
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276 int find_hash_id(unsigned char ID);
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277 int find_hash_any(const char *name, int digestlen);
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278 int register_hash(const struct ltc_hash_descriptor *hash);
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279 int unregister_hash(const struct ltc_hash_descriptor *hash);
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280 int hash_is_valid(int idx);
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281
209
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282 LTC_MUTEX_PROTO(ltc_hash_mutex);
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283
191
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284 int hash_memory(int hash,
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285 const unsigned char *in, unsigned long inlen,
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286 unsigned char *out, unsigned long *outlen);
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287 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
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288 const unsigned char *in, unsigned long inlen, ...);
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289 int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen);
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290 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen);
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291
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292 /* a simple macro for making hash "process" functions */
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293 #define HASH_PROCESS(func_name, compress_name, state_var, block_size) \
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294 int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \
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295 { \
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296 unsigned long n; \
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297 int err; \
209
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298 LTC_ARGCHK(md != NULL); \
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299 LTC_ARGCHK(in != NULL); \
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300 if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \
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301 return CRYPT_INVALID_ARG; \
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302 } \
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303 while (inlen > 0) { \
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304 if (md-> state_var .curlen == 0 && inlen >= block_size) { \
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305 if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \
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306 return err; \
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307 } \
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308 md-> state_var .length += block_size * 8; \
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309 in += block_size; \
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310 inlen -= block_size; \
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311 } else { \
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312 n = MIN(inlen, (block_size - md-> state_var .curlen)); \
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313 memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \
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314 md-> state_var .curlen += n; \
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315 in += n; \
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316 inlen -= n; \
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317 if (md-> state_var .curlen == block_size) { \
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318 if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) { \
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319 return err; \
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320 } \
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321 md-> state_var .length += 8*block_size; \
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322 md-> state_var .curlen = 0; \
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323 } \
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324 } \
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325 } \
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326 return CRYPT_OK; \
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327 }
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328
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329 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_hash.h,v $ */
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330 /* $Revision: 1.12 $ */
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331 /* $Date: 2005/06/19 18:00:28 $ */