Mercurial > dropbear

annotate src/headers/tomcrypt_mac.h @ 260:e5d119ea4c63 libtomcrypt LTC_DB_0.47

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Make the clean target a bit saner
author Matt Johnston <matt@ucc.asn.au>
date Tue, 06 Dec 2005 17:18:41 +0000
parents 39d5d58461d6
children
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1 #ifdef HMAC
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2 typedef struct Hmac_state {
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3 hash_state md;
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4 int hash;
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5 hash_state hashstate;
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6 unsigned char *key;
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7 } hmac_state;
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8
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9 int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen);
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10 int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen);
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11 int hmac_done(hmac_state *hmac, unsigned char *out, unsigned long *outlen);
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12 int hmac_test(void);
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13 int hmac_memory(int hash,
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14 const unsigned char *key, unsigned long keylen,
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15 const unsigned char *in, unsigned long inlen,
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16 unsigned char *out, unsigned long *outlen);
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17 int hmac_memory_multi(int hash,
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18 const unsigned char *key, unsigned long keylen,
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19 unsigned char *out, unsigned long *outlen,
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20 const unsigned char *in, unsigned long inlen, ...);
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21 int hmac_file(int hash, const char *fname, const unsigned char *key,
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22 unsigned long keylen,
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23 unsigned char *dst, unsigned long *dstlen);
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24 #endif
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25
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26 #ifdef OMAC
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27
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28 typedef struct {
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29 int cipher_idx,
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30 buflen,
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31 blklen;
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32 unsigned char block[MAXBLOCKSIZE],
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33 prev[MAXBLOCKSIZE],
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34 Lu[2][MAXBLOCKSIZE];
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35 symmetric_key key;
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36 } omac_state;
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37
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38 int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen);
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39 int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen);
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40 int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen);
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41 int omac_memory(int cipher,
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42 const unsigned char *key, unsigned long keylen,
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43 const unsigned char *in, unsigned long inlen,
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44 unsigned char *out, unsigned long *outlen);
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45 int omac_memory_multi(int cipher,
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46 const unsigned char *key, unsigned long keylen,
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47 unsigned char *out, unsigned long *outlen,
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48 const unsigned char *in, unsigned long inlen, ...);
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49 int omac_file(int cipher,
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50 const unsigned char *key, unsigned long keylen,
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51 const char *filename,
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52 unsigned char *out, unsigned long *outlen);
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53 int omac_test(void);
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54 #endif /* OMAC */
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55
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56 #ifdef PMAC
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57
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58 typedef struct {
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59 unsigned char Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */
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60 Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */
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61 Lr[MAXBLOCKSIZE], /* L * x^-1 */
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62 block[MAXBLOCKSIZE], /* currently accumulated block */
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63 checksum[MAXBLOCKSIZE]; /* current checksum */
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64
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65 symmetric_key key; /* scheduled key for cipher */
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66 unsigned long block_index; /* index # for current block */
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67 int cipher_idx, /* cipher idx */
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68 block_len, /* length of block */
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69 buflen; /* number of bytes in the buffer */
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70 } pmac_state;
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71
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72 int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned long keylen);
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73 int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen);
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74 int pmac_done(pmac_state *pmac, unsigned char *out, unsigned long *outlen);
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75
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76 int pmac_memory(int cipher,
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77 const unsigned char *key, unsigned long keylen,
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78 const unsigned char *msg, unsigned long msglen,
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79 unsigned char *out, unsigned long *outlen);
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80
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81 int pmac_memory_multi(int cipher,
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82 const unsigned char *key, unsigned long keylen,
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83 unsigned char *out, unsigned long *outlen,
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84 const unsigned char *in, unsigned long inlen, ...);
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85
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86 int pmac_file(int cipher,
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87 const unsigned char *key, unsigned long keylen,
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88 const char *filename,
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89 unsigned char *out, unsigned long *outlen);
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90
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91 int pmac_test(void);
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92
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93 /* internal functions */
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94 int pmac_ntz(unsigned long x);
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95 void pmac_shift_xor(pmac_state *pmac);
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96
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97 #endif /* PMAC */
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98
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99 #ifdef EAX_MODE
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100
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101 #if !(defined(OMAC) && defined(CTR))
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102 #error EAX_MODE requires OMAC and CTR
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103 #endif
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104
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105 typedef struct {
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106 unsigned char N[MAXBLOCKSIZE];
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107 symmetric_CTR ctr;
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108 omac_state headeromac, ctomac;
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109 } eax_state;
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110
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111 int eax_init(eax_state *eax, int cipher, const unsigned char *key, unsigned long keylen,
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112 const unsigned char *nonce, unsigned long noncelen,
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113 const unsigned char *header, unsigned long headerlen);
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114
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115 int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct, unsigned long length);
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116 int eax_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt, unsigned long length);
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117 int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length);
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118 int eax_done(eax_state *eax, unsigned char *tag, unsigned long *taglen);
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119
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120 int eax_encrypt_authenticate_memory(int cipher,
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121 const unsigned char *key, unsigned long keylen,
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122 const unsigned char *nonce, unsigned long noncelen,
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123 const unsigned char *header, unsigned long headerlen,
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124 const unsigned char *pt, unsigned long ptlen,
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125 unsigned char *ct,
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126 unsigned char *tag, unsigned long *taglen);
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127
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128 int eax_decrypt_verify_memory(int cipher,
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129 const unsigned char *key, unsigned long keylen,
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130 const unsigned char *nonce, unsigned long noncelen,
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131 const unsigned char *header, unsigned long headerlen,
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132 const unsigned char *ct, unsigned long ctlen,
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133 unsigned char *pt,
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134 unsigned char *tag, unsigned long taglen,
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135 int *stat);
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136
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137 int eax_test(void);
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138 #endif /* EAX MODE */
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139
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140 #ifdef OCB_MODE
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141 typedef struct {
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142 unsigned char L[MAXBLOCKSIZE], /* L value */
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143 Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */
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144 Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */
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145 Lr[MAXBLOCKSIZE], /* L * x^-1 */
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146 R[MAXBLOCKSIZE], /* R value */
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147 checksum[MAXBLOCKSIZE]; /* current checksum */
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148
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149 symmetric_key key; /* scheduled key for cipher */
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150 unsigned long block_index; /* index # for current block */
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151 int cipher, /* cipher idx */
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152 block_len; /* length of block */
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153 } ocb_state;
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154
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155 int ocb_init(ocb_state *ocb, int cipher,
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156 const unsigned char *key, unsigned long keylen, const unsigned char *nonce);
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157
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158 int ocb_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned char *ct);
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159 int ocb_decrypt(ocb_state *ocb, const unsigned char *ct, unsigned char *pt);
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160
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161 int ocb_done_encrypt(ocb_state *ocb,
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162 const unsigned char *pt, unsigned long ptlen,
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163 unsigned char *ct,
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164 unsigned char *tag, unsigned long *taglen);
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165
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166 int ocb_done_decrypt(ocb_state *ocb,
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167 const unsigned char *ct, unsigned long ctlen,
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168 unsigned char *pt,
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169 const unsigned char *tag, unsigned long taglen, int *stat);
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170
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171 int ocb_encrypt_authenticate_memory(int cipher,
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172 const unsigned char *key, unsigned long keylen,
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173 const unsigned char *nonce,
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174 const unsigned char *pt, unsigned long ptlen,
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175 unsigned char *ct,
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176 unsigned char *tag, unsigned long *taglen);
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177
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178 int ocb_decrypt_verify_memory(int cipher,
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179 const unsigned char *key, unsigned long keylen,
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180 const unsigned char *nonce,
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181 const unsigned char *ct, unsigned long ctlen,
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182 unsigned char *pt,
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183 const unsigned char *tag, unsigned long taglen,
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184 int *stat);
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185
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186 int ocb_test(void);
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187
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188 /* internal functions */
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189 void ocb_shift_xor(ocb_state *ocb, unsigned char *Z);
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190 int ocb_ntz(unsigned long x);
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191 int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
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192 unsigned char *ct, unsigned char *tag, unsigned long *taglen, int mode);
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193
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194 #endif /* OCB_MODE */
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195
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196 #ifdef CCM_MODE
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197
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198 #define CCM_ENCRYPT 0
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199 #define CCM_DECRYPT 1
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200
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201 int ccm_memory(int cipher,
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202 const unsigned char *key, unsigned long keylen,
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203 const unsigned char *nonce, unsigned long noncelen,
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204 const unsigned char *header, unsigned long headerlen,
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205 unsigned char *pt, unsigned long ptlen,
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206 unsigned char *ct,
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207 unsigned char *tag, unsigned long *taglen,
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208 int direction);
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209
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210 int ccm_test(void);
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211
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212 #endif /* CCM_MODE */
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213
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214 #ifdef GCM_MODE
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215
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216 #define GCM_ENCRYPT 0
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217 #define GCM_DECRYPT 1
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218
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219 #define GCM_MODE_IV 0
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220 #define GCM_MODE_AAD 1
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221 #define GCM_MODE_TEXT 2
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222
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223 typedef struct {
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224 symmetric_key K;
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225 unsigned char H[16], /* multiplier */
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226 X[16], /* accumulator */
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227 Y[16], /* counter */
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228 Y_0[16], /* initial counter */
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229 buf[16]; /* buffer for stuff */
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230
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231 int cipher, /* which cipher */
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232 ivmode, /* Which mode is the IV in? */
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233 mode, /* mode the GCM code is in */
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234 buflen; /* length of data in buf */
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235
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236 ulong64 totlen, /* 64-bit counter used for IV and AAD */
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237 pttotlen; /* 64-bit counter for the PT */
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238
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239 #ifdef GCM_TABLES
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240 unsigned char PC[16][256][16]; /* 16 tables of 8x128 */
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241 #endif
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242
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243 } gcm_state;
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244
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245 void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char *c);
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246 void gcm_mult_h(gcm_state *gcm, unsigned char *I);
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247
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248 int gcm_init(gcm_state *gcm, int cipher,
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249 const unsigned char *key, int keylen);
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250
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251 int gcm_reset(gcm_state *gcm);
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252
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253 int gcm_add_iv(gcm_state *gcm,
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254 const unsigned char *IV, unsigned long IVlen);
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255
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256 int gcm_add_aad(gcm_state *gcm,
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257 const unsigned char *adata, unsigned long adatalen);
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258
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259 int gcm_process(gcm_state *gcm,
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260 unsigned char *pt, unsigned long ptlen,
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261 unsigned char *ct,
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262 int direction);
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263
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264 int gcm_done(gcm_state *gcm,
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265 unsigned char *tag, unsigned long *taglen);
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266
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267 int gcm_memory( int cipher,
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268 const unsigned char *key, unsigned long keylen,
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269 const unsigned char *IV, unsigned long IVlen,
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270 const unsigned char *adata, unsigned long adatalen,
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271 unsigned char *pt, unsigned long ptlen,
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272 unsigned char *ct,
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273 unsigned char *tag, unsigned long *taglen,
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274 int direction);
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275 int gcm_test(void);
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276
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277 #endif /* GCM_MODE */
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278
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279 #ifdef PELICAN
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280
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281 typedef struct pelican_state
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282 {
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283 symmetric_key K;
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284 unsigned char state[16];
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285 int buflen;
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286 } pelican_state;
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287
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288 int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen);
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289 int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen);
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290 int pelican_done(pelican_state *pelmac, unsigned char *out);
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291 int pelican_test(void);
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292
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293 int pelican_memory(const unsigned char *key, unsigned long keylen,
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294 const unsigned char *in, unsigned long inlen,
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295 unsigned char *out);
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296
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297 #endif
209
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298
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299 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_mac.h,v $ */
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300 /* $Revision: 1.7 $ */
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301 /* $Date: 2005/05/05 14:35:58 $ */