/* LibTomCrypt, modular cryptographic library -- Tom St Denis * * LibTomCrypt is a library that provides various cryptographic * algorithms in a highly modular and flexible manner. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, tomstdenis@iahu.ca, http://libtomcrypt.org *//* EAX Implementation by Tom St Denis */#include "mycrypt.h"#ifdef EAX_MODEint eax_test(void){#ifndef LTC_TEST   return CRYPT_NOP;#else   static const struct {       int               keylen,                        noncelen,                       headerlen,                          msglen;       unsigned char        key[MAXBLOCKSIZE],                           nonce[MAXBLOCKSIZE],                          header[MAXBLOCKSIZE],                       plaintext[MAXBLOCKSIZE],                     ciphertext[MAXBLOCKSIZE],                             tag[MAXBLOCKSIZE];   } tests[] = {/* NULL message */{   16, 0, 0, 0,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0 },   /* header */   { 0 },   /* plaintext */   { 0 },   /* ciphertext */   { 0 },   /* tag */   { 0x9a, 0xd0, 0x7e, 0x7d, 0xbf, 0xf3, 0x01, 0xf5,     0x05, 0xde, 0x59, 0x6b, 0x96, 0x15, 0xdf, 0xff }},/* test with nonce */{   16, 16, 0, 0,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* header */   { 0 },   /* plaintext */   { 0 },   /* ciphertext */   { 0 },   /* tag */   { 0x1c, 0xe1, 0x0d, 0x3e, 0xff, 0xd4, 0xca, 0xdb,     0xe2, 0xe4, 0x4b, 0x58, 0xd6, 0x0a, 0xb9, 0xec }},/* test with header [no nonce]  */{   16, 0, 16, 0,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0 },   /* header */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* plaintext */   { 0 },   /* ciphertext */   { 0 },   /* tag */   { 0x3a, 0x69, 0x8f, 0x7a, 0x27, 0x0e, 0x51, 0xb0,     0xf6, 0x5b, 0x3d, 0x3e, 0x47, 0x19, 0x3c, 0xff }},/* test with header + nonce + plaintext */{   16, 16, 16, 32,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },     /* header */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* plaintext */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,     0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f },   /* ciphertext */   { 0x29, 0xd8, 0x78, 0xd1, 0xa3, 0xbe, 0x85, 0x7b,     0x6f, 0xb8, 0xc8, 0xea, 0x59, 0x50, 0xa7, 0x78,     0x33, 0x1f, 0xbf, 0x2c, 0xcf, 0x33, 0x98, 0x6f,     0x35, 0xe8, 0xcf, 0x12, 0x1d, 0xcb, 0x30, 0xbc },   /* tag */   { 0x4f, 0xbe, 0x03, 0x38, 0xbe, 0x1c, 0x8c, 0x7e,     0x1d, 0x7a, 0xe7, 0xe4, 0x5b, 0x92, 0xc5, 0x87 }},/* test with header + nonce + plaintext [not even sizes!] */{   16, 15, 14, 29,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e },     /* header */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d },   /* plaintext */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,     0x18, 0x19, 0x1a, 0x1b, 0x1c },   /* ciphertext */   { 0xdd, 0x25, 0xc7, 0x54, 0xc5, 0xb1, 0x7c, 0x59,     0x28, 0xb6, 0x9b, 0x73, 0x15, 0x5f, 0x7b, 0xb8,     0x88, 0x8f, 0xaf, 0x37, 0x09, 0x1a, 0xd9, 0x2c,     0x8a, 0x24, 0xdb, 0x86, 0x8b },   /* tag */   { 0x0d, 0x1a, 0x14, 0xe5, 0x22, 0x24, 0xff, 0xd2,     0x3a, 0x05, 0xfa, 0x02, 0xcd, 0xef, 0x52, 0xda }},/* Vectors from Brian Gladman */{   16, 16, 8, 0,   /* key */   { 0x23, 0x39, 0x52, 0xde, 0xe4, 0xd5, 0xed, 0x5f,     0x9b, 0x9c, 0x6d, 0x6f, 0xf8, 0x0f, 0xf4, 0x78 },   /* nonce */   { 0x62, 0xec, 0x67, 0xf9, 0xc3, 0xa4, 0xa4, 0x07,     0xfc, 0xb2, 0xa8, 0xc4, 0x90, 0x31, 0xa8, 0xb3 },   /* header */   { 0x6b, 0xfb, 0x91, 0x4f, 0xd0, 0x7e, 0xae, 0x6b },   /* PT */   { 0x00 },   /* CT */   { 0x00 },   /* tag */   { 0xe0, 0x37, 0x83, 0x0e, 0x83, 0x89, 0xf2, 0x7b,     0x02, 0x5a, 0x2d, 0x65, 0x27, 0xe7, 0x9d, 0x01 }},{   16, 16, 8, 2,   /* key */    { 0x91, 0x94, 0x5d, 0x3f, 0x4d, 0xcb, 0xee, 0x0b,     0xf4, 0x5e, 0xf5, 0x22, 0x55, 0xf0, 0x95, 0xa4 },   /* nonce */   { 0xbe, 0xca, 0xf0, 0x43, 0xb0, 0xa2, 0x3d, 0x84,     0x31, 0x94, 0xba, 0x97, 0x2c, 0x66, 0xde, 0xbd },   /* header */   { 0xfa, 0x3b, 0xfd, 0x48, 0x06, 0xeb, 0x53, 0xfa },   /* PT */   { 0xf7, 0xfb },   /* CT */   { 0x19, 0xdd },   /* tag */   { 0x5c, 0x4c, 0x93, 0x31, 0x04, 0x9d, 0x0b, 0xda,     0xb0, 0x27, 0x74, 0x08, 0xf6, 0x79, 0x67, 0xe5 }},{   16, 16, 8, 5,   /* key */   { 0x01, 0xf7, 0x4a, 0xd6, 0x40, 0x77, 0xf2, 0xe7,     0x04, 0xc0, 0xf6, 0x0a, 0xda, 0x3d, 0xd5, 0x23 },   /* nonce */   { 0x70, 0xc3, 0xdb, 0x4f, 0x0d, 0x26, 0x36, 0x84,     0x00, 0xa1, 0x0e, 0xd0, 0x5d, 0x2b, 0xff, 0x5e },   /* header */   { 0x23, 0x4a, 0x34, 0x63, 0xc1, 0x26, 0x4a, 0xc6 },   /* PT */   { 0x1a, 0x47, 0xcb, 0x49, 0x33 },   /* CT */   { 0xd8, 0x51, 0xd5, 0xba, 0xe0 },   /* Tag */   { 0x3a, 0x59, 0xf2, 0x38, 0xa2, 0x3e, 0x39, 0x19,     0x9d, 0xc9, 0x26, 0x66, 0x26, 0xc4, 0x0f, 0x80 }}   };   int err, x, idx, res;   unsigned long len;   unsigned char outct[MAXBLOCKSIZE], outtag[MAXBLOCKSIZE];    /* AES can be under rijndael or aes... try to find it */     if ((idx = find_cipher("aes")) == -1) {       if ((idx = find_cipher("rijndael")) == -1) {          return CRYPT_NOP;       }    }    for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {        len = sizeof(outtag);        if ((err = eax_encrypt_authenticate_memory(idx, tests[x].key, tests[x].keylen,            tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,            tests[x].plaintext, tests[x].msglen, outct, outtag, &len)) != CRYPT_OK) {           return err;        }        if (memcmp(outct, tests[x].ciphertext, tests[x].msglen) || memcmp(outtag, tests[x].tag, len)) {#if 0           unsigned long y;           printf("\n\nFailure: \nCT:\n");           for (y = 0; y < (unsigned long)tests[x].msglen; ) {               printf("0x%02x", outct[y]);               if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");               if (!(++y % 8)) printf("\n");           }           printf("\nTAG:\n");           for (y = 0; y < len; ) {               printf("0x%02x", outtag[y]);               if (y < len-1) printf(", ");               if (!(++y % 8)) printf("\n");           }#endif           return CRYPT_FAIL_TESTVECTOR;        }        /* test decrypt */        if ((err = eax_decrypt_verify_memory(idx, tests[x].key, tests[x].keylen,             tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,             outct, tests[x].msglen, outct, outtag, len, &res)) != CRYPT_OK) {            return err;        }        if ((res != 1) || memcmp(outct, tests[x].plaintext, tests[x].msglen)) {#if 0           unsigned long y;           printf("\n\nFailure (res == %d): \nPT:\n", res);           for (y = 0; y < (unsigned long)tests[x].msglen; ) {               printf("0x%02x", outct[y]);               if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");               if (!(++y % 8)) printf("\n");           }           printf("\n\n");#endif           return CRYPT_FAIL_TESTVECTOR;        }     }     return CRYPT_OK;#endif /* LTC_TEST */}#endif /* EAX_MODE */