Mercurial > dropbear
annotate libtomcrypt/src/encauth/ccm/ccm_test.c @ 1827:8a78cc13eb30
Fix some outdated comments
author | Matt Johnston <matt@ucc.asn.au> |
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date | Mon, 11 Oct 2021 15:14:46 +0800 |
parents | 6dba84798cd5 |
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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 #include "tomcrypt.h" |
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10 |
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11 /** |
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12 @file ccm_test.c |
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13 CCM support, process a block of memory, Tom St Denis |
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14 */ |
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15 |
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16 #ifdef LTC_CCM_MODE |
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17 |
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18 int ccm_test(void) |
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19 { |
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20 #ifndef LTC_TEST |
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21 return CRYPT_NOP; |
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22 #else |
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23 static const struct { |
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24 unsigned char key[16]; |
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25 unsigned char nonce[16]; |
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26 int noncelen; |
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27 unsigned char header[64]; |
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28 int headerlen; |
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29 unsigned char pt[64]; |
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30 int ptlen; |
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31 unsigned char ct[64]; |
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32 unsigned char tag[16]; |
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33 unsigned long taglen; |
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34 } tests[] = { |
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35 |
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36 /* 13 byte nonce, 8 byte auth, 23 byte pt */ |
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37 { |
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38 { 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, |
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39 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF }, |
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40 { 0x00, 0x00, 0x00, 0x03, 0x02, 0x01, 0x00, 0xA0, |
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41 0xA1, 0xA2, 0xA3, 0xA4, 0xA5 }, |
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42 13, |
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43 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 }, |
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44 8, |
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45 { 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, |
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46 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
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47 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E }, |
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48 23, |
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49 { 0x58, 0x8C, 0x97, 0x9A, 0x61, 0xC6, 0x63, 0xD2, |
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50 0xF0, 0x66, 0xD0, 0xC2, 0xC0, 0xF9, 0x89, 0x80, |
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51 0x6D, 0x5F, 0x6B, 0x61, 0xDA, 0xC3, 0x84 }, |
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52 { 0x17, 0xe8, 0xd1, 0x2c, 0xfd, 0xf9, 0x26, 0xe0 }, |
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53 8 |
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54 }, |
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55 |
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56 /* 13 byte nonce, 12 byte header, 19 byte pt */ |
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57 { |
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58 { 0xC0, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, |
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59 0xC8, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE, 0xCF }, |
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60 { 0x00, 0x00, 0x00, 0x06, 0x05, 0x04, 0x03, 0xA0, |
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61 0xA1, 0xA2, 0xA3, 0xA4, 0xA5 }, |
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62 13, |
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63 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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64 0x08, 0x09, 0x0A, 0x0B }, |
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65 12, |
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66 { 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13, |
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67 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, |
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68 0x1C, 0x1D, 0x1E }, |
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69 19, |
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70 { 0xA2, 0x8C, 0x68, 0x65, 0x93, 0x9A, 0x9A, 0x79, |
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71 0xFA, 0xAA, 0x5C, 0x4C, 0x2A, 0x9D, 0x4A, 0x91, |
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72 0xCD, 0xAC, 0x8C }, |
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73 { 0x96, 0xC8, 0x61, 0xB9, 0xC9, 0xE6, 0x1E, 0xF1 }, |
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74 8 |
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75 }, |
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76 |
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77 /* supplied by Brian Gladman */ |
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78 { |
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79 { 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
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80 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f }, |
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81 { 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16 }, |
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82 7, |
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83 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07 }, |
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84 8, |
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85 { 0x20, 0x21, 0x22, 0x23 }, |
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86 4, |
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87 { 0x71, 0x62, 0x01, 0x5b }, |
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88 { 0x4d, 0xac, 0x25, 0x5d }, |
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89 4 |
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90 }, |
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91 |
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92 { |
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93 { 0xc9, 0x7c, 0x1f, 0x67, 0xce, 0x37, 0x11, 0x85, |
285
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94 0x51, 0x4a, 0x8a, 0x19, 0xf2, 0xbd, 0xd5, 0x2f }, |
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95 { 0x00, 0x50, 0x30, 0xf1, 0x84, 0x44, 0x08, 0xb5, |
285
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96 0x03, 0x97, 0x76, 0xe7, 0x0c }, |
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97 13, |
1471
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98 { 0x08, 0x40, 0x0f, 0xd2, 0xe1, 0x28, 0xa5, 0x7c, |
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99 0x50, 0x30, 0xf1, 0x84, 0x44, 0x08, 0xab, 0xae, |
285
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100 0xa5, 0xb8, 0xfc, 0xba, 0x00, 0x00 }, |
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101 22, |
1471
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102 { 0xf8, 0xba, 0x1a, 0x55, 0xd0, 0x2f, 0x85, 0xae, |
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103 0x96, 0x7b, 0xb6, 0x2f, 0xb6, 0xcd, 0xa8, 0xeb, |
285
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104 0x7e, 0x78, 0xa0, 0x50 }, |
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105 20, |
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106 { 0xf3, 0xd0, 0xa2, 0xfe, 0x9a, 0x3d, 0xbf, 0x23, |
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107 0x42, 0xa6, 0x43, 0xe4, 0x32, 0x46, 0xe8, 0x0c, |
285
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108 0x3c, 0x04, 0xd0, 0x19 }, |
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109 { 0x78, 0x45, 0xce, 0x0b, 0x16, 0xf9, 0x76, 0x23 }, |
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110 8 |
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111 }, |
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112 |
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113 }; |
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114 unsigned long taglen, x, y; |
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115 unsigned char buf[64], buf2[64], tag[16], tag2[16], tag3[16], zero[64]; |
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116 int err, idx; |
382
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117 symmetric_key skey; |
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118 ccm_state ccm; |
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119 |
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120 zeromem(zero, 64); |
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121 |
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122 idx = find_cipher("aes"); |
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123 if (idx == -1) { |
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124 idx = find_cipher("rijndael"); |
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125 if (idx == -1) { |
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126 return CRYPT_NOP; |
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127 } |
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128 } |
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129 |
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130 for (x = 0; x < (sizeof(tests)/sizeof(tests[0])); x++) { |
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131 for (y = 0; y < 2; y++) { |
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132 taglen = tests[x].taglen; |
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133 if (y == 0) { |
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134 if ((err = cipher_descriptor[idx].setup(tests[x].key, 16, 0, &skey)) != CRYPT_OK) { |
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135 return err; |
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136 } |
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137 |
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138 if ((err = ccm_memory(idx, |
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139 tests[x].key, 16, |
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140 &skey, |
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141 tests[x].nonce, tests[x].noncelen, |
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142 tests[x].header, tests[x].headerlen, |
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143 (unsigned char*)tests[x].pt, tests[x].ptlen, |
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144 buf, |
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145 tag, &taglen, 0)) != CRYPT_OK) { |
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146 return err; |
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147 } |
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148 /* run a second time to make sure skey is not touched */ |
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149 if ((err = ccm_memory(idx, |
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150 tests[x].key, 16, |
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151 &skey, |
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152 tests[x].nonce, tests[x].noncelen, |
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153 tests[x].header, tests[x].headerlen, |
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154 (unsigned char*)tests[x].pt, tests[x].ptlen, |
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155 buf, |
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156 tag, &taglen, 0)) != CRYPT_OK) { |
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157 return err; |
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158 } |
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159 } else { |
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160 if ((err = ccm_init(&ccm, idx, tests[x].key, 16, tests[x].ptlen, tests[x].taglen, tests[x].headerlen)) != CRYPT_OK) { |
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161 return err; |
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162 } |
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163 if ((err = ccm_add_nonce(&ccm, tests[x].nonce, tests[x].noncelen)) != CRYPT_OK) { |
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164 return err; |
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165 } |
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166 if ((err = ccm_add_aad(&ccm, tests[x].header, tests[x].headerlen)) != CRYPT_OK) { |
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167 return err; |
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168 } |
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169 if ((err = ccm_process(&ccm, (unsigned char*)tests[x].pt, tests[x].ptlen, buf, CCM_ENCRYPT)) != CRYPT_OK) { |
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170 return err; |
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171 } |
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172 if ((err = ccm_done(&ccm, tag, &taglen)) != CRYPT_OK) { |
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173 return err; |
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174 } |
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175 } |
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176 |
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177 if (compare_testvector(buf, tests[x].ptlen, tests[x].ct, tests[x].ptlen, "CCM encrypt data", x)) { |
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178 return CRYPT_FAIL_TESTVECTOR; |
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179 } |
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180 if (compare_testvector(tag, taglen, tests[x].tag, tests[x].taglen, "CCM encrypt tag", x)) { |
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181 return CRYPT_FAIL_TESTVECTOR; |
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182 } |
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183 |
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184 if (y == 0) { |
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185 XMEMCPY(tag3, tests[x].tag, tests[x].taglen); |
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186 taglen = tests[x].taglen; |
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187 if ((err = ccm_memory(idx, |
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188 tests[x].key, 16, |
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189 NULL, |
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190 tests[x].nonce, tests[x].noncelen, |
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191 tests[x].header, tests[x].headerlen, |
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192 buf2, tests[x].ptlen, |
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193 buf, |
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194 tag3, &taglen, 1 )) != CRYPT_OK) { |
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195 return err; |
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196 } |
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197 } else { |
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198 if ((err = ccm_init(&ccm, idx, tests[x].key, 16, tests[x].ptlen, tests[x].taglen, tests[x].headerlen)) != CRYPT_OK) { |
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199 return err; |
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200 } |
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201 if ((err = ccm_add_nonce(&ccm, tests[x].nonce, tests[x].noncelen)) != CRYPT_OK) { |
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202 return err; |
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203 } |
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204 if ((err = ccm_add_aad(&ccm, tests[x].header, tests[x].headerlen)) != CRYPT_OK) { |
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205 return err; |
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206 } |
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207 if ((err = ccm_process(&ccm, buf2, tests[x].ptlen, buf, CCM_DECRYPT)) != CRYPT_OK) { |
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208 return err; |
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209 } |
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210 if ((err = ccm_done(&ccm, tag2, &taglen)) != CRYPT_OK) { |
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211 return err; |
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212 } |
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213 } |
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214 |
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215 |
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216 if (compare_testvector(buf2, tests[x].ptlen, tests[x].pt, tests[x].ptlen, "CCM decrypt data", x)) { |
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217 return CRYPT_FAIL_TESTVECTOR; |
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218 } |
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219 if (y == 0) { |
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220 /* check if decryption with the wrong tag does not reveal the plaintext */ |
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221 XMEMCPY(tag3, tests[x].tag, tests[x].taglen); |
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222 tag3[0] ^= 0xff; /* set the tag to the wrong value */ |
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223 taglen = tests[x].taglen; |
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224 if ((err = ccm_memory(idx, |
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225 tests[x].key, 16, |
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226 NULL, |
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227 tests[x].nonce, tests[x].noncelen, |
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228 tests[x].header, tests[x].headerlen, |
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229 buf2, tests[x].ptlen, |
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230 buf, |
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231 tag3, &taglen, 1 )) != CRYPT_ERROR) { |
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232 return CRYPT_FAIL_TESTVECTOR; |
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233 } |
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234 if (compare_testvector(buf2, tests[x].ptlen, zero, tests[x].ptlen, "CCM decrypt wrong tag", x)) { |
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235 return CRYPT_FAIL_TESTVECTOR; |
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236 } |
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237 } else { |
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238 if (compare_testvector(tag2, taglen, tests[x].tag, tests[x].taglen, "CCM decrypt tag", x)) { |
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239 return CRYPT_FAIL_TESTVECTOR; |
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240 } |
382
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241 } |
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242 |
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243 if (y == 0) { |
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244 cipher_descriptor[idx].done(&skey); |
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245 } |
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246 } |
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247 } |
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248 |
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249 return CRYPT_OK; |
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250 #endif |
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251 } |
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252 |
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253 #endif |
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254 |
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255 /* ref: $Format:%D$ */ |
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256 /* git commit: $Format:%H$ */ |
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257 /* commit time: $Format:%ai$ */ |