annotate libtomcrypt/src/encauth/chachapoly/chacha20poly1305_test.c @ 1902:4a6725ac957c

Revert "Don't include sk keys at all in KEX list" This reverts git commit f972813ecdc7bb981d25b5a63638bd158f1c8e72. The sk algorithms need to remain in the sigalgs list so that they are included in the server-sig-algs ext-info message sent by the server. RFC8308 for server-sig-algs requires that all algorithms are listed (though OpenSSH client 8.4p1 tested doesn't require that)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 24 Mar 2022 13:42:08 +0800
parents 6dba84798cd5
children
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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 #include "tomcrypt.h"
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11
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12 #ifdef LTC_CHACHA20POLY1305_MODE
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13
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14 int chacha20poly1305_test(void)
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15 {
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16 #ifndef LTC_TEST
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17 return CRYPT_NOP;
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18 #else
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19 chacha20poly1305_state st1, st2;
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20 unsigned char k[] = { 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f };
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21 unsigned char i12[] = { 0x07, 0x00, 0x00, 0x00, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47 };
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22 unsigned char i8[] = { 0x07, 0x00, 0x00, 0x00, 0x40, 0x41, 0x42, 0x43 };
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23 unsigned char aad[] = { 0x50, 0x51, 0x52, 0x53, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7 };
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24 unsigned char enc[] = { 0xD3, 0x1A, 0x8D, 0x34, 0x64, 0x8E, 0x60, 0xDB, 0x7B, 0x86, 0xAF, 0xBC, 0x53, 0xEF, 0x7E, 0xC2,
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25 0xA4, 0xAD, 0xED, 0x51, 0x29, 0x6E, 0x08, 0xFE, 0xA9, 0xE2, 0xB5, 0xA7, 0x36, 0xEE, 0x62, 0xD6,
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26 0x3D, 0xBE, 0xA4, 0x5E, 0x8C, 0xA9, 0x67, 0x12, 0x82, 0xFA, 0xFB, 0x69, 0xDA, 0x92, 0x72, 0x8B,
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27 0x1A, 0x71, 0xDE, 0x0A, 0x9E, 0x06, 0x0B, 0x29, 0x05, 0xD6, 0xA5, 0xB6, 0x7E, 0xCD, 0x3B, 0x36,
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28 0x92, 0xDD, 0xBD, 0x7F, 0x2D, 0x77, 0x8B, 0x8C, 0x98, 0x03, 0xAE, 0xE3, 0x28, 0x09, 0x1B, 0x58,
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29 0xFA, 0xB3, 0x24, 0xE4, 0xFA, 0xD6, 0x75, 0x94, 0x55, 0x85, 0x80, 0x8B, 0x48, 0x31, 0xD7, 0xBC,
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30 0x3F, 0xF4, 0xDE, 0xF0, 0x8E, 0x4B, 0x7A, 0x9D, 0xE5, 0x76, 0xD2, 0x65, 0x86, 0xCE, 0xC6, 0x4B,
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31 0x61, 0x16 };
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32 unsigned char tag[] = { 0x1A, 0xE1, 0x0B, 0x59, 0x4F, 0x09, 0xE2, 0x6A, 0x7E, 0x90, 0x2E, 0xCB, 0xD0, 0x60, 0x06, 0x91 };
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33 char m[] = "Ladies and Gentlemen of the class of '99: If I could offer you only one tip for the future, sunscreen would be it.";
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34 unsigned long mlen = strlen(m);
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35 unsigned long len;
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36 unsigned char rfc7905_pt[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F };
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37 unsigned char rfc7905_enc[] = { 0xE4, 0x62, 0x85, 0xB4, 0x29, 0x95, 0x34, 0x96, 0xAB, 0xFB, 0x67, 0xCD, 0xAE, 0xAC, 0x94, 0x1E };
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38 unsigned char rfc7905_tag[] = { 0x16, 0x2C, 0x92, 0x48, 0x2A, 0xDB, 0xD3, 0x5D, 0x48, 0xBE, 0xC6, 0xFF, 0x10, 0x9C, 0xBA, 0xE4 };
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39 unsigned char ct[1000], pt[1000], emac[16], dmac[16];
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40 int err;
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41
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42 /* encrypt IV 96bit */
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43 if ((err = chacha20poly1305_init(&st1, k, sizeof(k))) != CRYPT_OK) return err;
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44 if ((err = chacha20poly1305_setiv(&st1, i12, sizeof(i12))) != CRYPT_OK) return err;
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45 if ((err = chacha20poly1305_add_aad(&st1, aad, sizeof(aad))) != CRYPT_OK) return err;
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46 /* encrypt piece by piece */
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47 if ((err = chacha20poly1305_encrypt(&st1, (unsigned char *)m, 25, ct)) != CRYPT_OK) return err;
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48 if ((err = chacha20poly1305_encrypt(&st1, (unsigned char *)m + 25, 10, ct + 25)) != CRYPT_OK) return err;
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49 if ((err = chacha20poly1305_encrypt(&st1, (unsigned char *)m + 35, 35, ct + 35)) != CRYPT_OK) return err;
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50 if ((err = chacha20poly1305_encrypt(&st1, (unsigned char *)m + 70, 5, ct + 70)) != CRYPT_OK) return err;
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51 if ((err = chacha20poly1305_encrypt(&st1, (unsigned char *)m + 75, 5, ct + 75)) != CRYPT_OK) return err;
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52 if ((err = chacha20poly1305_encrypt(&st1, (unsigned char *)m + 80, mlen - 80, ct + 80)) != CRYPT_OK) return err;
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53 len = sizeof(emac);
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54 if ((err = chacha20poly1305_done(&st1, emac, &len)) != CRYPT_OK) return err;
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55
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56 if (compare_testvector(ct, mlen, enc, sizeof(enc), "ENC-CT", 1) != 0) return CRYPT_FAIL_TESTVECTOR;
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57 if (compare_testvector(emac, len, tag, sizeof(tag), "ENC-TAG", 2) != 0) return CRYPT_FAIL_TESTVECTOR;
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58
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59 /* decrypt IV 96bit */
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60 if ((err = chacha20poly1305_init(&st2, k, sizeof(k))) != CRYPT_OK) return err;
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61 if ((err = chacha20poly1305_setiv(&st2, i12, sizeof(i12))) != CRYPT_OK) return err;
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62 if ((err = chacha20poly1305_add_aad(&st2, aad, sizeof(aad))) != CRYPT_OK) return err;
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63 if ((err = chacha20poly1305_decrypt(&st2, ct, 21, pt)) != CRYPT_OK) return err;
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64 if ((err = chacha20poly1305_decrypt(&st2, ct + 21, mlen - 21, pt + 21)) != CRYPT_OK) return err;
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65 len = sizeof(dmac);
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66 if ((err = chacha20poly1305_done(&st2, dmac, &len)) != CRYPT_OK) return err;
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67
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68 if (compare_testvector(pt, mlen, m, mlen, "DEC-PT", 3) != 0) return CRYPT_FAIL_TESTVECTOR;
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69 if (compare_testvector(dmac, len, tag, sizeof(tag), "DEC-TAG", 4) != 0) return CRYPT_FAIL_TESTVECTOR;
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70
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71 /* chacha20poly1305_memory - encrypt */
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72 len = sizeof(emac);
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73 if ((err = chacha20poly1305_memory(k, sizeof(k), i12, sizeof(i12), aad, sizeof(aad), (unsigned char *)m,
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74 mlen, ct, emac, &len, CHACHA20POLY1305_ENCRYPT)) != CRYPT_OK) return err;
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75 if (compare_testvector(ct, mlen, enc, sizeof(enc), "ENC-CT2", 1) != 0) return CRYPT_FAIL_TESTVECTOR;
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76 if (compare_testvector(emac, len, tag, sizeof(tag), "ENC-TAG2", 2) != 0) return CRYPT_FAIL_TESTVECTOR;
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77
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78 /* chacha20poly1305_memory - decrypt */
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79 len = sizeof(dmac);
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80 if ((err = chacha20poly1305_memory(k, sizeof(k), i12, sizeof(i12), aad, sizeof(aad),
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81 ct, mlen, pt, dmac, &len, CHACHA20POLY1305_DECRYPT)) != CRYPT_OK) return err;
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82 if (compare_testvector(pt, mlen, m, mlen, "DEC-PT2", 3) != 0) return CRYPT_FAIL_TESTVECTOR;
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83 if (compare_testvector(dmac, len, tag, sizeof(tag), "DEC-TAG2", 4) != 0) return CRYPT_FAIL_TESTVECTOR;
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84
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85 /* encrypt - rfc7905 */
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86 if ((err = chacha20poly1305_init(&st1, k, sizeof(k))) != CRYPT_OK) return err;
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87 if ((err = chacha20poly1305_setiv_rfc7905(&st1, i12, sizeof(i12), CONST64(0x1122334455667788))) != CRYPT_OK) return err;
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88 if ((err = chacha20poly1305_add_aad(&st1, aad, sizeof(aad))) != CRYPT_OK) return err;
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89 if ((err = chacha20poly1305_encrypt(&st1, rfc7905_pt, 16, ct)) != CRYPT_OK) return err;
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90 len = sizeof(emac);
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91 if ((err = chacha20poly1305_done(&st1, emac, &len)) != CRYPT_OK) return err;
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92
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93 if (compare_testvector(ct, 16, rfc7905_enc, 16, "ENC-CT3", 1) != 0) return CRYPT_FAIL_TESTVECTOR;
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94 if (compare_testvector(emac, len, rfc7905_tag, 16, "ENC-TAG3", 2) != 0) return CRYPT_FAIL_TESTVECTOR;
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95
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96 /* decrypt - rfc7905 */
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97 if ((err = chacha20poly1305_init(&st1, k, sizeof(k))) != CRYPT_OK) return err;
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98 if ((err = chacha20poly1305_setiv_rfc7905(&st1, i12, sizeof(i12), CONST64(0x1122334455667788))) != CRYPT_OK) return err;
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99 if ((err = chacha20poly1305_add_aad(&st1, aad, sizeof(aad))) != CRYPT_OK) return err;
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100 if ((err = chacha20poly1305_decrypt(&st1, ct, 16, pt)) != CRYPT_OK) return err;
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101 len = sizeof(dmac);
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102 if ((err = chacha20poly1305_done(&st1, dmac, &len)) != CRYPT_OK) return err;
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103
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104 if (compare_testvector(pt, 16, rfc7905_pt, 16, "DEC-CT3", 1) != 0) return CRYPT_FAIL_TESTVECTOR;
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105 if (compare_testvector(dmac, len, rfc7905_tag, 16, "DEC-TAG3", 2) != 0) return CRYPT_FAIL_TESTVECTOR;
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106
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107 /* encrypt IV 64bit */
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108 if ((err = chacha20poly1305_init(&st1, k, sizeof(k))) != CRYPT_OK) return err;
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109 if ((err = chacha20poly1305_setiv(&st1, i8, sizeof(i8))) != CRYPT_OK) return err;
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110 if ((err = chacha20poly1305_add_aad(&st1, aad, sizeof(aad))) != CRYPT_OK) return err;
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111 if ((err = chacha20poly1305_encrypt(&st1, (unsigned char *)m, mlen, ct)) != CRYPT_OK) return err;
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112 len = sizeof(emac);
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113 if ((err = chacha20poly1305_done(&st1, emac, &len)) != CRYPT_OK) return err;
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114
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115 /* decrypt IV 64bit */
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116 if ((err = chacha20poly1305_init(&st2, k, sizeof(k))) != CRYPT_OK) return err;
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117 if ((err = chacha20poly1305_setiv(&st2, i8, sizeof(i8))) != CRYPT_OK) return err;
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118 if ((err = chacha20poly1305_add_aad(&st2, aad, sizeof(aad))) != CRYPT_OK) return err;
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119 if ((err = chacha20poly1305_decrypt(&st2, ct, mlen, pt)) != CRYPT_OK) return err;
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120 len = sizeof(dmac);
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121 if ((err = chacha20poly1305_done(&st2, dmac, &len)) != CRYPT_OK) return err;
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122
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123 if (compare_testvector(pt, mlen, m, mlen, "DEC-PT4", 1) != 0) return CRYPT_FAIL_TESTVECTOR;
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124 if (compare_testvector(dmac, len, emac, len, "DEC-TAG4", 2) != 0) return CRYPT_FAIL_TESTVECTOR;
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125
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126 return CRYPT_OK;
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127 #endif
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128 }
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129
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130 #endif
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131
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132 /* ref: $Format:%D$ */
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133 /* git commit: $Format:%H$ */
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134 /* commit time: $Format:%ai$ */