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annotate libtomcrypt/src/encauth/chachapoly/chacha20poly1305_test.c @ 1825:7a0068effc65

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Add a comment about sending initial auth request
author Matt Johnston <matt@ucc.asn.au>
date Mon, 11 Oct 2021 15:12:22 +0800
parents 6dba84798cd5
children
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1471
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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: $Format:%ai$ */