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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 * Tom St Denis, [email protected], http://libtomcrypt.org |
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10 */ |
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11 |
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12 /* EAX Implementation by Tom St Denis */ |
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13 #include "mycrypt.h" |
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14 |
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15 #ifdef EAX_MODE |
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16 |
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17 int eax_test(void) |
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18 { |
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19 #ifndef LTC_TEST |
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20 return CRYPT_NOP; |
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21 #else |
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22 static const struct { |
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23 int keylen, |
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24 noncelen, |
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25 headerlen, |
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26 msglen; |
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27 |
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28 unsigned char key[MAXBLOCKSIZE], |
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29 nonce[MAXBLOCKSIZE], |
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30 header[MAXBLOCKSIZE], |
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31 plaintext[MAXBLOCKSIZE], |
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32 ciphertext[MAXBLOCKSIZE], |
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33 tag[MAXBLOCKSIZE]; |
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34 } tests[] = { |
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35 |
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36 /* NULL message */ |
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37 { |
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38 16, 0, 0, 0, |
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39 /* key */ |
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40 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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41 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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42 /* nonce */ |
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43 { 0 }, |
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44 /* header */ |
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45 { 0 }, |
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46 /* plaintext */ |
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47 { 0 }, |
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48 /* ciphertext */ |
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49 { 0 }, |
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50 /* tag */ |
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51 { 0x9a, 0xd0, 0x7e, 0x7d, 0xbf, 0xf3, 0x01, 0xf5, |
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52 0x05, 0xde, 0x59, 0x6b, 0x96, 0x15, 0xdf, 0xff } |
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53 }, |
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54 |
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55 /* test with nonce */ |
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56 { |
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57 16, 16, 0, 0, |
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58 /* key */ |
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59 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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60 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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61 /* nonce */ |
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62 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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63 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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64 /* header */ |
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65 { 0 }, |
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66 /* plaintext */ |
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67 { 0 }, |
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68 /* ciphertext */ |
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69 { 0 }, |
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70 /* tag */ |
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71 { 0x1c, 0xe1, 0x0d, 0x3e, 0xff, 0xd4, 0xca, 0xdb, |
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72 0xe2, 0xe4, 0x4b, 0x58, 0xd6, 0x0a, 0xb9, 0xec } |
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73 }, |
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74 |
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75 /* test with header [no nonce] */ |
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76 { |
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77 16, 0, 16, 0, |
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78 /* key */ |
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79 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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80 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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81 /* nonce */ |
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82 { 0 }, |
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83 /* header */ |
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84 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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85 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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86 /* plaintext */ |
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87 { 0 }, |
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88 /* ciphertext */ |
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89 { 0 }, |
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90 /* tag */ |
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91 { 0x3a, 0x69, 0x8f, 0x7a, 0x27, 0x0e, 0x51, 0xb0, |
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92 0xf6, 0x5b, 0x3d, 0x3e, 0x47, 0x19, 0x3c, 0xff } |
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93 }, |
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94 |
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95 /* test with header + nonce + plaintext */ |
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96 { |
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97 16, 16, 16, 32, |
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98 /* key */ |
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99 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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100 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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101 /* nonce */ |
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102 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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103 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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104 /* header */ |
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105 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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106 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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107 /* plaintext */ |
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108 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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109 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
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110 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
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111 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f }, |
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112 /* ciphertext */ |
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113 { 0x29, 0xd8, 0x78, 0xd1, 0xa3, 0xbe, 0x85, 0x7b, |
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114 0x6f, 0xb8, 0xc8, 0xea, 0x59, 0x50, 0xa7, 0x78, |
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115 0x33, 0x1f, 0xbf, 0x2c, 0xcf, 0x33, 0x98, 0x6f, |
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116 0x35, 0xe8, 0xcf, 0x12, 0x1d, 0xcb, 0x30, 0xbc }, |
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117 /* tag */ |
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118 { 0x4f, 0xbe, 0x03, 0x38, 0xbe, 0x1c, 0x8c, 0x7e, |
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119 0x1d, 0x7a, 0xe7, 0xe4, 0x5b, 0x92, 0xc5, 0x87 } |
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120 }, |
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121 |
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122 /* test with header + nonce + plaintext [not even sizes!] */ |
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123 { |
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124 16, 15, 14, 29, |
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125 /* key */ |
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126 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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127 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, |
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128 /* nonce */ |
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129 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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130 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e }, |
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131 /* header */ |
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132 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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133 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d }, |
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134 /* plaintext */ |
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135 { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
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136 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
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137 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
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138 0x18, 0x19, 0x1a, 0x1b, 0x1c }, |
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139 /* ciphertext */ |
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140 { 0xdd, 0x25, 0xc7, 0x54, 0xc5, 0xb1, 0x7c, 0x59, |
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141 0x28, 0xb6, 0x9b, 0x73, 0x15, 0x5f, 0x7b, 0xb8, |
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142 0x88, 0x8f, 0xaf, 0x37, 0x09, 0x1a, 0xd9, 0x2c, |
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143 0x8a, 0x24, 0xdb, 0x86, 0x8b }, |
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144 /* tag */ |
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145 { 0x0d, 0x1a, 0x14, 0xe5, 0x22, 0x24, 0xff, 0xd2, |
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146 0x3a, 0x05, 0xfa, 0x02, 0xcd, 0xef, 0x52, 0xda } |
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147 }, |
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148 |
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149 /* Vectors from Brian Gladman */ |
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150 |
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151 { |
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152 16, 16, 8, 0, |
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153 /* key */ |
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154 { 0x23, 0x39, 0x52, 0xde, 0xe4, 0xd5, 0xed, 0x5f, |
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155 0x9b, 0x9c, 0x6d, 0x6f, 0xf8, 0x0f, 0xf4, 0x78 }, |
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156 /* nonce */ |
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157 { 0x62, 0xec, 0x67, 0xf9, 0xc3, 0xa4, 0xa4, 0x07, |
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158 0xfc, 0xb2, 0xa8, 0xc4, 0x90, 0x31, 0xa8, 0xb3 }, |
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159 /* header */ |
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160 { 0x6b, 0xfb, 0x91, 0x4f, 0xd0, 0x7e, 0xae, 0x6b }, |
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161 /* PT */ |
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162 { 0x00 }, |
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163 /* CT */ |
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164 { 0x00 }, |
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165 /* tag */ |
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166 { 0xe0, 0x37, 0x83, 0x0e, 0x83, 0x89, 0xf2, 0x7b, |
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167 0x02, 0x5a, 0x2d, 0x65, 0x27, 0xe7, 0x9d, 0x01 } |
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168 }, |
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169 |
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170 { |
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171 16, 16, 8, 2, |
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172 /* key */ |
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173 { 0x91, 0x94, 0x5d, 0x3f, 0x4d, 0xcb, 0xee, 0x0b, |
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174 0xf4, 0x5e, 0xf5, 0x22, 0x55, 0xf0, 0x95, 0xa4 }, |
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175 /* nonce */ |
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176 { 0xbe, 0xca, 0xf0, 0x43, 0xb0, 0xa2, 0x3d, 0x84, |
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177 0x31, 0x94, 0xba, 0x97, 0x2c, 0x66, 0xde, 0xbd }, |
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178 /* header */ |
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179 { 0xfa, 0x3b, 0xfd, 0x48, 0x06, 0xeb, 0x53, 0xfa }, |
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180 /* PT */ |
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181 { 0xf7, 0xfb }, |
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182 /* CT */ |
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183 { 0x19, 0xdd }, |
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184 /* tag */ |
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185 { 0x5c, 0x4c, 0x93, 0x31, 0x04, 0x9d, 0x0b, 0xda, |
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186 0xb0, 0x27, 0x74, 0x08, 0xf6, 0x79, 0x67, 0xe5 } |
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187 }, |
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188 |
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189 { |
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190 16, 16, 8, 5, |
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191 /* key */ |
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192 { 0x01, 0xf7, 0x4a, 0xd6, 0x40, 0x77, 0xf2, 0xe7, |
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193 0x04, 0xc0, 0xf6, 0x0a, 0xda, 0x3d, 0xd5, 0x23 }, |
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194 /* nonce */ |
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195 { 0x70, 0xc3, 0xdb, 0x4f, 0x0d, 0x26, 0x36, 0x84, |
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196 0x00, 0xa1, 0x0e, 0xd0, 0x5d, 0x2b, 0xff, 0x5e }, |
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197 /* header */ |
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198 { 0x23, 0x4a, 0x34, 0x63, 0xc1, 0x26, 0x4a, 0xc6 }, |
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199 /* PT */ |
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200 { 0x1a, 0x47, 0xcb, 0x49, 0x33 }, |
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201 /* CT */ |
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202 { 0xd8, 0x51, 0xd5, 0xba, 0xe0 }, |
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203 /* Tag */ |
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204 { 0x3a, 0x59, 0xf2, 0x38, 0xa2, 0x3e, 0x39, 0x19, |
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205 0x9d, 0xc9, 0x26, 0x66, 0x26, 0xc4, 0x0f, 0x80 } |
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206 } |
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207 |
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208 }; |
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209 int err, x, idx, res; |
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210 unsigned long len; |
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211 unsigned char outct[MAXBLOCKSIZE], outtag[MAXBLOCKSIZE]; |
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212 |
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213 /* AES can be under rijndael or aes... try to find it */ |
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214 if ((idx = find_cipher("aes")) == -1) { |
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215 if ((idx = find_cipher("rijndael")) == -1) { |
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216 return CRYPT_NOP; |
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217 } |
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218 } |
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219 |
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220 for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) { |
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221 len = sizeof(outtag); |
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222 if ((err = eax_encrypt_authenticate_memory(idx, tests[x].key, tests[x].keylen, |
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223 tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen, |
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224 tests[x].plaintext, tests[x].msglen, outct, outtag, &len)) != CRYPT_OK) { |
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225 return err; |
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226 } |
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227 if (memcmp(outct, tests[x].ciphertext, tests[x].msglen) || memcmp(outtag, tests[x].tag, len)) { |
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228 #if 0 |
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229 unsigned long y; |
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230 printf("\n\nFailure: \nCT:\n"); |
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231 for (y = 0; y < (unsigned long)tests[x].msglen; ) { |
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232 printf("0x%02x", outct[y]); |
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233 if (y < (unsigned long)(tests[x].msglen-1)) printf(", "); |
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234 if (!(++y % 8)) printf("\n"); |
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235 } |
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236 printf("\nTAG:\n"); |
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237 for (y = 0; y < len; ) { |
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238 printf("0x%02x", outtag[y]); |
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239 if (y < len-1) printf(", "); |
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240 if (!(++y % 8)) printf("\n"); |
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241 } |
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242 #endif |
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243 return CRYPT_FAIL_TESTVECTOR; |
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244 } |
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245 |
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246 /* test decrypt */ |
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247 if ((err = eax_decrypt_verify_memory(idx, tests[x].key, tests[x].keylen, |
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248 tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen, |
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249 outct, tests[x].msglen, outct, outtag, len, &res)) != CRYPT_OK) { |
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250 return err; |
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251 } |
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252 if ((res != 1) || memcmp(outct, tests[x].plaintext, tests[x].msglen)) { |
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253 #if 0 |
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254 unsigned long y; |
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255 printf("\n\nFailure (res == %d): \nPT:\n", res); |
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256 for (y = 0; y < (unsigned long)tests[x].msglen; ) { |
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257 printf("0x%02x", outct[y]); |
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258 if (y < (unsigned long)(tests[x].msglen-1)) printf(", "); |
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259 if (!(++y % 8)) printf("\n"); |
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260 } |
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261 printf("\n\n"); |
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262 #endif |
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263 return CRYPT_FAIL_TESTVECTOR; |
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264 } |
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265 |
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266 } |
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267 return CRYPT_OK; |
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268 #endif /* LTC_TEST */ |
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269 } |
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270 |
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271 #endif /* EAX_MODE */ |
