/* 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@gmail.com, http://libtomcrypt.org *//**    @file ocb_test.c   OCB implementation, self-test by Tom St Denis*/#include "tomcrypt.h"#ifdef OCB_MODE/**   Test the OCB protocol  @return   CRYPT_OK if successful*/int ocb_test(void){#ifndef LTC_TEST   return CRYPT_NOP;#else   static const struct {         int ptlen;         unsigned char key[16], nonce[16], pt[34], ct[34], tag[16];   } tests[] = {   /* OCB-AES-128-0B */{   0,   /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },   /* pt */   { 0 },   /* ct */   { 0 },   /* tag */   { 0x15, 0xd3, 0x7d, 0xd7, 0xc8, 0x90, 0xd5, 0xd6,     0xac, 0xab, 0x92, 0x7b, 0xc0, 0xdc, 0x60, 0xee },},   /* OCB-AES-128-3B */{   3,    /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },   /* pt */   { 0x00, 0x01, 0x02 },   /* ct */   { 0xfc, 0xd3, 0x7d },   /* tag */   { 0x02, 0x25, 0x47, 0x39, 0xa5, 0xe3, 0x56, 0x5a,     0xe2, 0xdc, 0xd6, 0x2c, 0x65, 0x97, 0x46, 0xba },},   /* OCB-AES-128-16B */{   16,    /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },   /* pt */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* ct */   { 0x37, 0xdf, 0x8c, 0xe1, 0x5b, 0x48, 0x9b, 0xf3,     0x1d, 0x0f, 0xc4, 0x4d, 0xa1, 0xfa, 0xf6, 0xd6 },   /* tag */   { 0xdf, 0xb7, 0x63, 0xeb, 0xdb, 0x5f, 0x0e, 0x71,     0x9c, 0x7b, 0x41, 0x61, 0x80, 0x80, 0x04, 0xdf },},   /* OCB-AES-128-20B  */{   20,    /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },   /* pt */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,      0x10, 0x11, 0x12, 0x13 },   /* ct */   { 0x01, 0xa0, 0x75, 0xf0, 0xd8, 0x15, 0xb1, 0xa4,     0xe9, 0xc8, 0x81, 0xa1, 0xbc, 0xff, 0xc3, 0xeb,     0x70, 0x03, 0xeb, 0x55},   /* tag */   { 0x75, 0x30, 0x84, 0x14, 0x4e, 0xb6, 0x3b, 0x77,     0x0b, 0x06, 0x3c, 0x2e, 0x23, 0xcd, 0xa0, 0xbb },},   /* OCB-AES-128-32B  */{   32,    /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },   /* pt */   { 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 },   /* ct */   { 0x01, 0xa0, 0x75, 0xf0, 0xd8, 0x15, 0xb1, 0xa4,     0xe9, 0xc8, 0x81, 0xa1, 0xbc, 0xff, 0xc3, 0xeb,     0x4a, 0xfc, 0xbb, 0x7f, 0xed, 0xc0, 0x8c, 0xa8,     0x65, 0x4c, 0x6d, 0x30, 0x4d, 0x16, 0x12, 0xfa },   /* tag */   { 0xc1, 0x4c, 0xbf, 0x2c, 0x1a, 0x1f, 0x1c, 0x3c,     0x13, 0x7e, 0xad, 0xea, 0x1f, 0x2f, 0x2f, 0xcf },},   /* OCB-AES-128-34B  */{   34,    /* key */   { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,     0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },   /* nonce */   { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 },   /* pt */   { 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,     0x20, 0x21 },   /* ct */   { 0x01, 0xa0, 0x75, 0xf0, 0xd8, 0x15, 0xb1, 0xa4,     0xe9, 0xc8, 0x81, 0xa1, 0xbc, 0xff, 0xc3, 0xeb,     0xd4, 0x90, 0x3d, 0xd0, 0x02, 0x5b, 0xa4, 0xaa,     0x83, 0x7c, 0x74, 0xf1, 0x21, 0xb0, 0x26, 0x0f,     0xa9, 0x5d },   /* tag */   { 0xcf, 0x83, 0x41, 0xbb, 0x10, 0x82, 0x0c, 0xcf,     0x14, 0xbd, 0xec, 0x56, 0xb8, 0xd7, 0xd6, 0xab },},};   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 = ocb_encrypt_authenticate_memory(idx, tests[x].key, 16,             tests[x].nonce, tests[x].pt, tests[x].ptlen, outct, outtag, &len)) != CRYPT_OK) {           return err;        }                if (memcmp(outtag, tests[x].tag, len) || memcmp(outct, tests[x].ct, tests[x].ptlen)) {#if 0           unsigned long y;           printf("\n\nFailure: \nCT:\n");           for (y = 0; y < (unsigned long)tests[x].ptlen; ) {               printf("0x%02x", outct[y]);               if (y < (unsigned long)(tests[x].ptlen-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;        }                if ((err = ocb_decrypt_verify_memory(idx, tests[x].key, 16, tests[x].nonce, outct, tests[x].ptlen,             outct, tests[x].tag, len, &res)) != CRYPT_OK) {           return err;        }        if ((res != 1) || memcmp(tests[x].pt, outct, tests[x].ptlen)) {#if 0           unsigned long y;           printf("\n\nFailure-decrypt: \nPT:\n");           for (y = 0; y < (unsigned long)tests[x].ptlen; ) {               printf("0x%02x", outct[y]);               if (y < (unsigned long)(tests[x].ptlen-1)) printf(", ");               if (!(++y % 8)) printf("\n");           }           printf("\nres = %d\n\n", res);#endif        }    }    return CRYPT_OK;#endif /* LTC_TEST */}#endif /* OCB_MODE *//* some comments   -- it's hard to seek   -- hard to stream [you can't emit ciphertext until full block]   -- The setup is somewhat complicated...*//* $Source: /cvs/libtom/libtomcrypt/src/encauth/ocb/ocb_test.c,v $ *//* $Revision: 1.3 $ *//* $Date: 2005/05/05 14:35:58 $ */