Mercurial > dropbear
annotate libtomcrypt/src/headers/tomcrypt_mac.h @ 1885:5d8dbb6fdab7
Fix SSH_PUBKEYINFO, limit characters, add tests
We fix a bad_bufptr() failure from a previous commit. We now limit
the allowed characters to those that will definitely be safe
in a shell. Some scripts/programs may use arbitrary environment
variables without escaping correctly - that could be a problem
in a restricted environment.
The current allowed set is a-z A-Z 0-9 .,_-+@
This also adds a test for SSH_PUBKEYINFO, by default it only runs
under github actions (or "act -j build").
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Wed, 16 Mar 2022 17:17:23 +0800 |
| parents | 6dba84798cd5 |
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| rev | line source |
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis |
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2 * |
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3 * LibTomCrypt is a library that provides various cryptographic |
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4 * algorithms in a highly modular and flexible manner. |
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5 * |
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6 * The library is free for all purposes without any express |
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7 * guarantee it works. |
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8 */ |
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9 |
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10 #ifdef LTC_HMAC |
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11 typedef struct Hmac_state { |
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12 hash_state md; |
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13 int hash; |
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14 hash_state hashstate; |
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15 unsigned char *key; |
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16 } hmac_state; |
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17 |
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18 int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen); |
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19 int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen); |
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20 int hmac_done(hmac_state *hmac, unsigned char *out, unsigned long *outlen); |
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21 int hmac_test(void); |
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22 int hmac_memory(int hash, |
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23 const unsigned char *key, unsigned long keylen, |
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24 const unsigned char *in, unsigned long inlen, |
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25 unsigned char *out, unsigned long *outlen); |
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26 int hmac_memory_multi(int hash, |
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27 const unsigned char *key, unsigned long keylen, |
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28 unsigned char *out, unsigned long *outlen, |
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29 const unsigned char *in, unsigned long inlen, ...); |
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30 int hmac_file(int hash, const char *fname, const unsigned char *key, |
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31 unsigned long keylen, |
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32 unsigned char *dst, unsigned long *dstlen); |
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33 #endif |
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34 |
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35 #ifdef LTC_OMAC |
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36 |
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37 typedef struct { |
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38 int cipher_idx, |
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39 buflen, |
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40 blklen; |
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41 unsigned char block[MAXBLOCKSIZE], |
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42 prev[MAXBLOCKSIZE], |
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43 Lu[2][MAXBLOCKSIZE]; |
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44 symmetric_key key; |
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45 } omac_state; |
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46 |
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47 int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen); |
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48 int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen); |
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49 int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen); |
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50 int omac_memory(int cipher, |
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51 const unsigned char *key, unsigned long keylen, |
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52 const unsigned char *in, unsigned long inlen, |
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53 unsigned char *out, unsigned long *outlen); |
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54 int omac_memory_multi(int cipher, |
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55 const unsigned char *key, unsigned long keylen, |
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56 unsigned char *out, unsigned long *outlen, |
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57 const unsigned char *in, unsigned long inlen, ...); |
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58 int omac_file(int cipher, |
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59 const unsigned char *key, unsigned long keylen, |
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60 const char *filename, |
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61 unsigned char *out, unsigned long *outlen); |
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62 int omac_test(void); |
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63 #endif /* LTC_OMAC */ |
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64 |
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65 #ifdef LTC_PMAC |
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66 |
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67 typedef struct { |
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68 unsigned char Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */ |
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69 Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */ |
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70 Lr[MAXBLOCKSIZE], /* L * x^-1 */ |
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71 block[MAXBLOCKSIZE], /* currently accumulated block */ |
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72 checksum[MAXBLOCKSIZE]; /* current checksum */ |
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73 |
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74 symmetric_key key; /* scheduled key for cipher */ |
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75 unsigned long block_index; /* index # for current block */ |
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76 int cipher_idx, /* cipher idx */ |
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77 block_len, /* length of block */ |
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78 buflen; /* number of bytes in the buffer */ |
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79 } pmac_state; |
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80 |
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81 int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned long keylen); |
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82 int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen); |
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83 int pmac_done(pmac_state *pmac, unsigned char *out, unsigned long *outlen); |
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84 |
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85 int pmac_memory(int cipher, |
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86 const unsigned char *key, unsigned long keylen, |
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87 const unsigned char *msg, unsigned long msglen, |
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88 unsigned char *out, unsigned long *outlen); |
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89 |
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90 int pmac_memory_multi(int cipher, |
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91 const unsigned char *key, unsigned long keylen, |
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92 unsigned char *out, unsigned long *outlen, |
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93 const unsigned char *in, unsigned long inlen, ...); |
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94 |
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95 int pmac_file(int cipher, |
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96 const unsigned char *key, unsigned long keylen, |
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97 const char *filename, |
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98 unsigned char *out, unsigned long *outlen); |
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99 |
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100 int pmac_test(void); |
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101 |
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102 /* internal functions */ |
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103 int pmac_ntz(unsigned long x); |
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104 void pmac_shift_xor(pmac_state *pmac); |
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105 |
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106 #endif /* PMAC */ |
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107 |
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108 #ifdef LTC_POLY1305 |
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109 typedef struct { |
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110 ulong32 r[5]; |
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111 ulong32 h[5]; |
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112 ulong32 pad[4]; |
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113 unsigned long leftover; |
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114 unsigned char buffer[16]; |
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115 int final; |
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116 } poly1305_state; |
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117 |
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118 int poly1305_init(poly1305_state *st, const unsigned char *key, unsigned long keylen); |
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119 int poly1305_process(poly1305_state *st, const unsigned char *in, unsigned long inlen); |
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120 int poly1305_done(poly1305_state *st, unsigned char *mac, unsigned long *maclen); |
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121 int poly1305_memory(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *mac, unsigned long *maclen); |
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122 int poly1305_memory_multi(const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen, const unsigned char *in, unsigned long inlen, ...); |
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123 int poly1305_file(const char *fname, const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen); |
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124 int poly1305_test(void); |
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125 #endif /* LTC_POLY1305 */ |
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126 |
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127 #ifdef LTC_BLAKE2SMAC |
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128 typedef hash_state blake2smac_state; |
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129 int blake2smac_init(blake2smac_state *st, unsigned long outlen, const unsigned char *key, unsigned long keylen); |
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130 int blake2smac_process(blake2smac_state *st, const unsigned char *in, unsigned long inlen); |
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131 int blake2smac_done(blake2smac_state *st, unsigned char *mac, unsigned long *maclen); |
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132 int blake2smac_memory(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *mac, unsigned long *maclen); |
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133 int blake2smac_memory_multi(const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen, const unsigned char *in, unsigned long inlen, ...); |
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134 int blake2smac_file(const char *fname, const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen); |
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135 int blake2smac_test(void); |
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136 #endif /* LTC_BLAKE2SMAC */ |
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137 |
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138 #ifdef LTC_BLAKE2BMAC |
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139 typedef hash_state blake2bmac_state; |
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140 int blake2bmac_init(blake2bmac_state *st, unsigned long outlen, const unsigned char *key, unsigned long keylen); |
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141 int blake2bmac_process(blake2bmac_state *st, const unsigned char *in, unsigned long inlen); |
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142 int blake2bmac_done(blake2bmac_state *st, unsigned char *mac, unsigned long *maclen); |
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143 int blake2bmac_memory(const unsigned char *key, unsigned long keylen, const unsigned char *in, unsigned long inlen, unsigned char *mac, unsigned long *maclen); |
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144 int blake2bmac_memory_multi(const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen, const unsigned char *in, unsigned long inlen, ...); |
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145 int blake2bmac_file(const char *fname, const unsigned char *key, unsigned long keylen, unsigned char *mac, unsigned long *maclen); |
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146 int blake2bmac_test(void); |
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147 #endif /* LTC_BLAKE2BMAC */ |
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148 |
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149 #ifdef LTC_EAX_MODE |
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150 |
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151 #if !(defined(LTC_OMAC) && defined(LTC_CTR_MODE)) |
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152 #error LTC_EAX_MODE requires LTC_OMAC and CTR |
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153 #endif |
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154 |
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155 typedef struct { |
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156 unsigned char N[MAXBLOCKSIZE]; |
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157 symmetric_CTR ctr; |
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158 omac_state headeromac, ctomac; |
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159 } eax_state; |
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160 |
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161 int eax_init(eax_state *eax, int cipher, const unsigned char *key, unsigned long keylen, |
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162 const unsigned char *nonce, unsigned long noncelen, |
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163 const unsigned char *header, unsigned long headerlen); |
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164 |
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165 int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct, unsigned long length); |
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166 int eax_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt, unsigned long length); |
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167 int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length); |
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168 int eax_done(eax_state *eax, unsigned char *tag, unsigned long *taglen); |
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169 |
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170 int eax_encrypt_authenticate_memory(int cipher, |
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171 const unsigned char *key, unsigned long keylen, |
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172 const unsigned char *nonce, unsigned long noncelen, |
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173 const unsigned char *header, unsigned long headerlen, |
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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 eax_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, unsigned long noncelen, |
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181 const unsigned char *header, unsigned long headerlen, |
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182 const unsigned char *ct, unsigned long ctlen, |
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183 unsigned char *pt, |
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184 unsigned char *tag, unsigned long taglen, |
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185 int *stat); |
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186 |
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187 int eax_test(void); |
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188 #endif /* EAX MODE */ |
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189 |
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190 #ifdef LTC_OCB_MODE |
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191 typedef struct { |
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192 unsigned char L[MAXBLOCKSIZE], /* L value */ |
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193 Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */ |
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194 Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */ |
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195 Lr[MAXBLOCKSIZE], /* L * x^-1 */ |
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196 R[MAXBLOCKSIZE], /* R value */ |
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197 checksum[MAXBLOCKSIZE]; /* current checksum */ |
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198 |
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199 symmetric_key key; /* scheduled key for cipher */ |
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200 unsigned long block_index; /* index # for current block */ |
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201 int cipher, /* cipher idx */ |
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202 block_len; /* length of block */ |
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203 } ocb_state; |
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204 |
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205 int ocb_init(ocb_state *ocb, int cipher, |
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206 const unsigned char *key, unsigned long keylen, const unsigned char *nonce); |
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207 |
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208 int ocb_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned char *ct); |
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209 int ocb_decrypt(ocb_state *ocb, const unsigned char *ct, unsigned char *pt); |
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210 |
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211 int ocb_done_encrypt(ocb_state *ocb, |
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212 const unsigned char *pt, unsigned long ptlen, |
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213 unsigned char *ct, |
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214 unsigned char *tag, unsigned long *taglen); |
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215 |
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216 int ocb_done_decrypt(ocb_state *ocb, |
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217 const unsigned char *ct, unsigned long ctlen, |
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218 unsigned char *pt, |
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219 const unsigned char *tag, unsigned long taglen, int *stat); |
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220 |
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221 int ocb_encrypt_authenticate_memory(int cipher, |
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222 const unsigned char *key, unsigned long keylen, |
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223 const unsigned char *nonce, |
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224 const unsigned char *pt, unsigned long ptlen, |
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225 unsigned char *ct, |
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226 unsigned char *tag, unsigned long *taglen); |
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227 |
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228 int ocb_decrypt_verify_memory(int cipher, |
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229 const unsigned char *key, unsigned long keylen, |
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230 const unsigned char *nonce, |
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231 const unsigned char *ct, unsigned long ctlen, |
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232 unsigned char *pt, |
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233 const unsigned char *tag, unsigned long taglen, |
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234 int *stat); |
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235 |
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236 int ocb_test(void); |
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237 |
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238 /* internal functions */ |
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239 void ocb_shift_xor(ocb_state *ocb, unsigned char *Z); |
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240 int ocb_ntz(unsigned long x); |
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241 int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen, |
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242 unsigned char *ct, unsigned char *tag, unsigned long *taglen, int mode); |
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243 |
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244 #endif /* LTC_OCB_MODE */ |
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245 |
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246 #ifdef LTC_OCB3_MODE |
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247 typedef struct { |
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248 unsigned char Offset_0[MAXBLOCKSIZE], /* Offset_0 value */ |
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249 Offset_current[MAXBLOCKSIZE], /* Offset_{current_block_index} value */ |
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250 L_dollar[MAXBLOCKSIZE], /* L_$ value */ |
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251 L_star[MAXBLOCKSIZE], /* L_* value */ |
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252 L_[32][MAXBLOCKSIZE], /* L_{i} values */ |
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253 tag_part[MAXBLOCKSIZE], /* intermediate result of tag calculation */ |
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254 checksum[MAXBLOCKSIZE]; /* current checksum */ |
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255 |
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256 /* AAD related members */ |
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257 unsigned char aSum_current[MAXBLOCKSIZE], /* AAD related helper variable */ |
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258 aOffset_current[MAXBLOCKSIZE], /* AAD related helper variable */ |
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259 adata_buffer[MAXBLOCKSIZE]; /* AAD buffer */ |
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260 int adata_buffer_bytes; /* bytes in AAD buffer */ |
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261 unsigned long ablock_index; /* index # for current adata (AAD) block */ |
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262 |
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263 symmetric_key key; /* scheduled key for cipher */ |
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264 unsigned long block_index; /* index # for current data block */ |
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265 int cipher, /* cipher idx */ |
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266 tag_len, /* length of tag */ |
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267 block_len; /* length of block */ |
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268 } ocb3_state; |
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269 |
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270 int ocb3_init(ocb3_state *ocb, int cipher, |
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271 const unsigned char *key, unsigned long keylen, |
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272 const unsigned char *nonce, unsigned long noncelen, |
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273 unsigned long taglen); |
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274 |
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275 int ocb3_encrypt(ocb3_state *ocb, const unsigned char *pt, unsigned long ptlen, unsigned char *ct); |
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276 int ocb3_decrypt(ocb3_state *ocb, const unsigned char *ct, unsigned long ctlen, unsigned char *pt); |
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277 int ocb3_encrypt_last(ocb3_state *ocb, const unsigned char *pt, unsigned long ptlen, unsigned char *ct); |
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278 int ocb3_decrypt_last(ocb3_state *ocb, const unsigned char *ct, unsigned long ctlen, unsigned char *pt); |
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279 int ocb3_add_aad(ocb3_state *ocb, const unsigned char *aad, unsigned long aadlen); |
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280 int ocb3_done(ocb3_state *ocb, unsigned char *tag, unsigned long *taglen); |
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281 |
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282 int ocb3_encrypt_authenticate_memory(int cipher, |
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283 const unsigned char *key, unsigned long keylen, |
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284 const unsigned char *nonce, unsigned long noncelen, |
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285 const unsigned char *adata, unsigned long adatalen, |
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286 const unsigned char *pt, unsigned long ptlen, |
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287 unsigned char *ct, |
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288 unsigned char *tag, unsigned long *taglen); |
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289 |
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290 int ocb3_decrypt_verify_memory(int cipher, |
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291 const unsigned char *key, unsigned long keylen, |
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292 const unsigned char *nonce, unsigned long noncelen, |
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293 const unsigned char *adata, unsigned long adatalen, |
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294 const unsigned char *ct, unsigned long ctlen, |
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295 unsigned char *pt, |
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296 const unsigned char *tag, unsigned long taglen, |
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297 int *stat); |
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298 |
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299 int ocb3_test(void); |
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300 |
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301 #ifdef LTC_SOURCE |
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302 /* internal helper functions */ |
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303 int ocb3_int_ntz(unsigned long x); |
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304 void ocb3_int_xor_blocks(unsigned char *out, const unsigned char *block_a, const unsigned char *block_b, unsigned long block_len); |
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305 #endif /* LTC_SOURCE */ |
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306 |
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307 #endif /* LTC_OCB3_MODE */ |
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308 |
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309 #ifdef LTC_CCM_MODE |
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285
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310 |
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311 #define CCM_ENCRYPT LTC_ENCRYPT |
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312 #define CCM_DECRYPT LTC_DECRYPT |
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313 |
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314 typedef struct { |
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315 symmetric_key K; |
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316 int cipher, /* which cipher */ |
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317 taglen, /* length of the tag */ |
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318 x; /* index in PAD */ |
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319 |
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320 unsigned long L, /* L value */ |
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321 ptlen, /* length that will be enc / dec */ |
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322 current_ptlen, /* current processed length */ |
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323 aadlen, /* length of the aad */ |
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324 current_aadlen, /* length of the currently provided add */ |
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325 noncelen; /* length of the nonce */ |
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326 |
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327 unsigned char PAD[16], |
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328 ctr[16], |
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329 CTRPAD[16], |
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330 CTRlen; |
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331 } ccm_state; |
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332 |
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333 int ccm_init(ccm_state *ccm, int cipher, |
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334 const unsigned char *key, int keylen, int ptlen, int taglen, int aad_len); |
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335 |
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336 int ccm_reset(ccm_state *ccm); |
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337 |
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338 int ccm_add_nonce(ccm_state *ccm, |
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339 const unsigned char *nonce, unsigned long noncelen); |
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340 |
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341 int ccm_add_aad(ccm_state *ccm, |
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342 const unsigned char *adata, unsigned long adatalen); |
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343 |
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344 int ccm_process(ccm_state *ccm, |
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345 unsigned char *pt, unsigned long ptlen, |
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346 unsigned char *ct, |
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347 int direction); |
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348 |
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349 int ccm_done(ccm_state *ccm, |
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350 unsigned char *tag, unsigned long *taglen); |
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351 |
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352 int ccm_memory(int cipher, |
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353 const unsigned char *key, unsigned long keylen, |
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382
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354 symmetric_key *uskey, |
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355 const unsigned char *nonce, unsigned long noncelen, |
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356 const unsigned char *header, unsigned long headerlen, |
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357 unsigned char *pt, unsigned long ptlen, |
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358 unsigned char *ct, |
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359 unsigned char *tag, unsigned long *taglen, |
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360 int direction); |
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361 |
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362 int ccm_test(void); |
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363 |
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364 #endif /* LTC_CCM_MODE */ |
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365 |
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366 #if defined(LRW_MODE) || defined(LTC_GCM_MODE) |
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367 void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char *c); |
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368 #endif |
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369 |
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370 |
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371 /* table shared between GCM and LRW */ |
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372 #if defined(LTC_GCM_TABLES) || defined(LTC_LRW_TABLES) || ((defined(LTC_GCM_MODE) || defined(LTC_GCM_MODE)) && defined(LTC_FAST)) |
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373 extern const unsigned char gcm_shift_table[]; |
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374 #endif |
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375 |
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376 #ifdef LTC_GCM_MODE |
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377 |
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378 #define GCM_ENCRYPT LTC_ENCRYPT |
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379 #define GCM_DECRYPT LTC_DECRYPT |
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380 |
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381 #define LTC_GCM_MODE_IV 0 |
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382 #define LTC_GCM_MODE_AAD 1 |
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383 #define LTC_GCM_MODE_TEXT 2 |
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384 |
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385 typedef struct { |
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386 symmetric_key K; |
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387 unsigned char H[16], /* multiplier */ |
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388 X[16], /* accumulator */ |
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389 Y[16], /* counter */ |
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390 Y_0[16], /* initial counter */ |
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391 buf[16]; /* buffer for stuff */ |
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392 |
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393 int cipher, /* which cipher */ |
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394 ivmode, /* Which mode is the IV in? */ |
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395 mode, /* mode the GCM code is in */ |
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396 buflen; /* length of data in buf */ |
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397 |
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398 ulong64 totlen, /* 64-bit counter used for IV and AAD */ |
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399 pttotlen; /* 64-bit counter for the PT */ |
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400 |
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401 #ifdef LTC_GCM_TABLES |
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402 unsigned char PC[16][256][16] /* 16 tables of 8x128 */ |
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403 #ifdef LTC_GCM_TABLES_SSE2 |
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404 __attribute__ ((aligned (16))) |
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405 #endif |
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406 ; |
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407 #endif |
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408 } gcm_state; |
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409 |
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410 void gcm_mult_h(gcm_state *gcm, unsigned char *I); |
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411 |
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412 int gcm_init(gcm_state *gcm, int cipher, |
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413 const unsigned char *key, int keylen); |
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414 |
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415 int gcm_reset(gcm_state *gcm); |
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416 |
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417 int gcm_add_iv(gcm_state *gcm, |
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418 const unsigned char *IV, unsigned long IVlen); |
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419 |
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420 int gcm_add_aad(gcm_state *gcm, |
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421 const unsigned char *adata, unsigned long adatalen); |
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422 |
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423 int gcm_process(gcm_state *gcm, |
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424 unsigned char *pt, unsigned long ptlen, |
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425 unsigned char *ct, |
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426 int direction); |
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427 |
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428 int gcm_done(gcm_state *gcm, |
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429 unsigned char *tag, unsigned long *taglen); |
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430 |
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431 int gcm_memory( int cipher, |
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432 const unsigned char *key, unsigned long keylen, |
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433 const unsigned char *IV, unsigned long IVlen, |
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434 const unsigned char *adata, unsigned long adatalen, |
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435 unsigned char *pt, unsigned long ptlen, |
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436 unsigned char *ct, |
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437 unsigned char *tag, unsigned long *taglen, |
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438 int direction); |
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439 int gcm_test(void); |
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440 |
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441 #endif /* LTC_GCM_MODE */ |
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442 |
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443 #ifdef LTC_PELICAN |
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444 |
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445 typedef struct pelican_state |
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446 { |
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447 symmetric_key K; |
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448 unsigned char state[16]; |
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449 int buflen; |
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450 } pelican_state; |
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451 |
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452 int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen); |
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453 int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen); |
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454 int pelican_done(pelican_state *pelmac, unsigned char *out); |
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455 int pelican_test(void); |
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456 |
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457 int pelican_memory(const unsigned char *key, unsigned long keylen, |
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458 const unsigned char *in, unsigned long inlen, |
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459 unsigned char *out); |
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460 |
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461 #endif |
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462 |
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463 #ifdef LTC_XCBC |
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464 |
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465 /* add this to "keylen" to xcbc_init to use a pure three-key XCBC MAC */ |
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466 #define LTC_XCBC_PURE 0x8000UL |
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467 |
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468 typedef struct { |
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469 unsigned char K[3][MAXBLOCKSIZE], |
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470 IV[MAXBLOCKSIZE]; |
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471 |
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472 symmetric_key key; |
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473 |
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474 int cipher, |
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475 buflen, |
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476 blocksize; |
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477 } xcbc_state; |
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478 |
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479 int xcbc_init(xcbc_state *xcbc, int cipher, const unsigned char *key, unsigned long keylen); |
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480 int xcbc_process(xcbc_state *xcbc, const unsigned char *in, unsigned long inlen); |
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481 int xcbc_done(xcbc_state *xcbc, unsigned char *out, unsigned long *outlen); |
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482 int xcbc_memory(int cipher, |
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483 const unsigned char *key, unsigned long keylen, |
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484 const unsigned char *in, unsigned long inlen, |
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485 unsigned char *out, unsigned long *outlen); |
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486 int xcbc_memory_multi(int cipher, |
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487 const unsigned char *key, unsigned long keylen, |
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488 unsigned char *out, unsigned long *outlen, |
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489 const unsigned char *in, unsigned long inlen, ...); |
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490 int xcbc_file(int cipher, |
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491 const unsigned char *key, unsigned long keylen, |
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492 const char *filename, |
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493 unsigned char *out, unsigned long *outlen); |
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494 int xcbc_test(void); |
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495 |
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496 #endif |
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497 |
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498 #ifdef LTC_F9_MODE |
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499 |
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500 typedef struct { |
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501 unsigned char akey[MAXBLOCKSIZE], |
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502 ACC[MAXBLOCKSIZE], |
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503 IV[MAXBLOCKSIZE]; |
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504 |
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505 symmetric_key key; |
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506 |
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507 int cipher, |
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508 buflen, |
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509 keylen, |
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510 blocksize; |
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511 } f9_state; |
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512 |
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513 int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen); |
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514 int f9_process(f9_state *f9, const unsigned char *in, unsigned long inlen); |
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515 int f9_done(f9_state *f9, unsigned char *out, unsigned long *outlen); |
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516 int f9_memory(int cipher, |
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517 const unsigned char *key, unsigned long keylen, |
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518 const unsigned char *in, unsigned long inlen, |
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519 unsigned char *out, unsigned long *outlen); |
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520 int f9_memory_multi(int cipher, |
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521 const unsigned char *key, unsigned long keylen, |
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522 unsigned char *out, unsigned long *outlen, |
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523 const unsigned char *in, unsigned long inlen, ...); |
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524 int f9_file(int cipher, |
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525 const unsigned char *key, unsigned long keylen, |
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526 const char *filename, |
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527 unsigned char *out, unsigned long *outlen); |
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528 int f9_test(void); |
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529 |
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530 #endif |
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531 |
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532 #ifdef LTC_CHACHA20POLY1305_MODE |
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533 |
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534 typedef struct { |
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535 poly1305_state poly; |
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536 chacha_state chacha; |
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537 ulong64 aadlen; |
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538 ulong64 ctlen; |
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539 int aadflg; |
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540 } chacha20poly1305_state; |
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541 |
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542 #define CHACHA20POLY1305_ENCRYPT LTC_ENCRYPT |
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543 #define CHACHA20POLY1305_DECRYPT LTC_DECRYPT |
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544 |
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545 int chacha20poly1305_init(chacha20poly1305_state *st, const unsigned char *key, unsigned long keylen); |
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546 int chacha20poly1305_setiv(chacha20poly1305_state *st, const unsigned char *iv, unsigned long ivlen); |
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547 int chacha20poly1305_setiv_rfc7905(chacha20poly1305_state *st, const unsigned char *iv, unsigned long ivlen, ulong64 sequence_number); |
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548 int chacha20poly1305_add_aad(chacha20poly1305_state *st, const unsigned char *in, unsigned long inlen); |
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549 int chacha20poly1305_encrypt(chacha20poly1305_state *st, const unsigned char *in, unsigned long inlen, unsigned char *out); |
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550 int chacha20poly1305_decrypt(chacha20poly1305_state *st, const unsigned char *in, unsigned long inlen, unsigned char *out); |
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551 int chacha20poly1305_done(chacha20poly1305_state *st, unsigned char *tag, unsigned long *taglen); |
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552 int chacha20poly1305_memory(const unsigned char *key, unsigned long keylen, |
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553 const unsigned char *iv, unsigned long ivlen, |
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554 const unsigned char *aad, unsigned long aadlen, |
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555 const unsigned char *in, unsigned long inlen, |
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556 unsigned char *out, |
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557 unsigned char *tag, unsigned long *taglen, |
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558 int direction); |
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559 int chacha20poly1305_test(void); |
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560 |
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561 #endif /* LTC_CHACHA20POLY1305_MODE */ |
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562 |
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563 /* ref: $Format:%D$ */ |
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564 /* git commit: $Format:%H$ */ |
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565 /* commit time: $Format:%ai$ */ |