Mercurial > dropbear

annotate src/headers/tomcrypt_hash.h @ 192:9cc34777b479 libtomcrypt

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propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 9ba8f01f44320e9cb9f19881105ae84f84a43ea9) to branch 'au.asn.ucc.matt.dropbear.ltc' (head dbf51c569bc34956ad948e4cc87a0eeb2170b768)
author Matt Johnston <matt@ucc.asn.au>
date Sun, 08 May 2005 06:36:47 +0000
parents 1c15b283127b
children 39d5d58461d6
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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;
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135 /** ASN.1 DER identifier */
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136 unsigned char DER[64];
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137 /** Length of DER encoding */
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138 unsigned long DERlen;
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139 /** Init a hash state
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140 @param hash The hash to initialize
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141 @return CRYPT_OK if successful
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142 */
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143 int (*init)(hash_state *hash);
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144 /** Process a block of data
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145 @param hash The hash state
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146 @param in The data to hash
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147 @param inlen The length of the data (octets)
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148 @return CRYPT_OK if successful
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149 */
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150 int (*process)(hash_state *hash, const unsigned char *in, unsigned long inlen);
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151 /** Produce the digest and store it
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152 @param hash The hash state
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153 @param out [out] The destination of the digest
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154 @return CRYPT_OK if successful
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155 */
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156 int (*done)(hash_state *hash, unsigned char *out);
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157 /** Self-test
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158 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
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159 */
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160 int (*test)(void);
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161 } hash_descriptor[];
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162
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163 #ifdef CHC_HASH
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164 int chc_register(int cipher);
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165 int chc_init(hash_state * md);
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166 int chc_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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167 int chc_done(hash_state * md, unsigned char *hash);
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168 int chc_test(void);
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169 extern const struct ltc_hash_descriptor chc_desc;
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170 #endif
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171
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172 #ifdef WHIRLPOOL
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173 int whirlpool_init(hash_state * md);
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174 int whirlpool_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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175 int whirlpool_done(hash_state * md, unsigned char *hash);
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176 int whirlpool_test(void);
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177 extern const struct ltc_hash_descriptor whirlpool_desc;
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178 #endif
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179
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180 #ifdef SHA512
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181 int sha512_init(hash_state * md);
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182 int sha512_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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183 int sha512_done(hash_state * md, unsigned char *hash);
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184 int sha512_test(void);
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185 extern const struct ltc_hash_descriptor sha512_desc;
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186 #endif
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187
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188 #ifdef SHA384
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189 #ifndef SHA512
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190 #error SHA512 is required for SHA384
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191 #endif
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192 int sha384_init(hash_state * md);
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193 #define sha384_process sha512_process
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194 int sha384_done(hash_state * md, unsigned char *hash);
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195 int sha384_test(void);
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196 extern const struct ltc_hash_descriptor sha384_desc;
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197 #endif
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198
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199 #ifdef SHA256
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200 int sha256_init(hash_state * md);
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201 int sha256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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202 int sha256_done(hash_state * md, unsigned char *hash);
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203 int sha256_test(void);
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204 extern const struct ltc_hash_descriptor sha256_desc;
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205
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206 #ifdef SHA224
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207 #ifndef SHA256
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208 #error SHA256 is required for SHA224
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209 #endif
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210 int sha224_init(hash_state * md);
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211 #define sha224_process sha256_process
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212 int sha224_done(hash_state * md, unsigned char *hash);
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213 int sha224_test(void);
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214 extern const struct ltc_hash_descriptor sha224_desc;
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215 #endif
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216 #endif
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217
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218 #ifdef SHA1
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219 int sha1_init(hash_state * md);
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220 int sha1_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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221 int sha1_done(hash_state * md, unsigned char *hash);
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222 int sha1_test(void);
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223 extern const struct ltc_hash_descriptor sha1_desc;
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224 #endif
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225
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226 #ifdef MD5
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227 int md5_init(hash_state * md);
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228 int md5_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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229 int md5_done(hash_state * md, unsigned char *hash);
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230 int md5_test(void);
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231 extern const struct ltc_hash_descriptor md5_desc;
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232 #endif
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233
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234 #ifdef MD4
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235 int md4_init(hash_state * md);
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236 int md4_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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237 int md4_done(hash_state * md, unsigned char *hash);
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238 int md4_test(void);
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239 extern const struct ltc_hash_descriptor md4_desc;
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240 #endif
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241
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242 #ifdef MD2
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243 int md2_init(hash_state * md);
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244 int md2_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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245 int md2_done(hash_state * md, unsigned char *hash);
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246 int md2_test(void);
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247 extern const struct ltc_hash_descriptor md2_desc;
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248 #endif
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249
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250 #ifdef TIGER
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251 int tiger_init(hash_state * md);
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252 int tiger_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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253 int tiger_done(hash_state * md, unsigned char *hash);
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254 int tiger_test(void);
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255 extern const struct ltc_hash_descriptor tiger_desc;
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256 #endif
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257
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258 #ifdef RIPEMD128
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259 int rmd128_init(hash_state * md);
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260 int rmd128_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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261 int rmd128_done(hash_state * md, unsigned char *hash);
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262 int rmd128_test(void);
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263 extern const struct ltc_hash_descriptor rmd128_desc;
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264 #endif
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265
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266 #ifdef RIPEMD160
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267 int rmd160_init(hash_state * md);
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268 int rmd160_process(hash_state * md, const unsigned char *in, unsigned long inlen);
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269 int rmd160_done(hash_state * md, unsigned char *hash);
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270 int rmd160_test(void);
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271 extern const struct ltc_hash_descriptor rmd160_desc;
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272 #endif
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273
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274 int find_hash(const char *name);
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275 int find_hash_id(unsigned char ID);
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276 int find_hash_any(const char *name, int digestlen);
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277 int register_hash(const struct ltc_hash_descriptor *hash);
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278 int unregister_hash(const struct ltc_hash_descriptor *hash);
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279 int hash_is_valid(int idx);
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280
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281 int hash_memory(int hash,
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282 const unsigned char *in, unsigned long inlen,
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283 unsigned char *out, unsigned long *outlen);
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284 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
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285 const unsigned char *in, unsigned long inlen, ...);
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286 int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen);
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287 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen);
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288
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289 /* a simple macro for making hash "process" functions */
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290 #define HASH_PROCESS(func_name, compress_name, state_var, block_size) \
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291 int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \
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292 { \
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293 unsigned long n; \
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294 int err; \
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295 LTC_ARGCHK(md != NULL); \
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296 LTC_ARGCHK(in != NULL); \
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297 if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \
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298 return CRYPT_INVALID_ARG; \
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299 } \
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300 while (inlen > 0) { \
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301 if (md-> state_var .curlen == 0 && inlen >= block_size) { \
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302 if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \
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303 return err; \
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304 } \
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305 md-> state_var .length += block_size * 8; \
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306 in += block_size; \
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307 inlen -= block_size; \
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308 } else { \
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309 n = MIN(inlen, (block_size - md-> state_var .curlen)); \
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310 memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \
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311 md-> state_var .curlen += n; \
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312 in += n; \
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313 inlen -= n; \
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314 if (md-> state_var .curlen == block_size) { \
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315 if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) {\
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316 return err; \
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317 } \
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318 md-> state_var .length += 8*block_size; \
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319 md-> state_var .curlen = 0; \
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320 } \
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321 } \
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322 } \
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323 return CRYPT_OK; \
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324 }