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