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annotate libtomcrypt/src/mac/poly1305/poly1305_test.c @ 1733:d529a52b2f7c coverity coverity

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merge coverity from main
author Matt Johnston <matt@ucc.asn.au>
date Fri, 26 Jun 2020 21:07:34 +0800
parents 6dba84798cd5
children
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1471
6dba84798cd5 Update to libtomcrypt 1.18.1, merged with Dropbear changes
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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 /* The implementation is based on:
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11 * Public Domain poly1305 from Andrew Moon
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12 * https://github.com/floodyberry/poly1305-donna
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13 */
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14
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15 #include "tomcrypt.h"
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16
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17 #ifdef LTC_POLY1305
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18
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19 int poly1305_test(void)
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20 {
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21 #ifndef LTC_TEST
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22 return CRYPT_NOP;
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23 #else
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24 /* https://tools.ietf.org/html/rfc7539#section-2.5.2 */
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25 unsigned char k[] = { 0x85, 0xd6, 0xbe, 0x78, 0x57, 0x55, 0x6d, 0x33, 0x7f, 0x44, 0x52, 0xfe, 0x42, 0xd5, 0x06, 0xa8, 0x01, 0x03, 0x80, 0x8a, 0xfb, 0x0d, 0xb2, 0xfd, 0x4a, 0xbf, 0xf6, 0xaf, 0x41, 0x49, 0xf5, 0x1b };
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26 unsigned char tag[] = { 0xA8, 0x06, 0x1D, 0xC1, 0x30, 0x51, 0x36, 0xC6, 0xC2, 0x2B, 0x8B, 0xAF, 0x0C, 0x01, 0x27, 0xA9 };
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27 char m[] = "Cryptographic Forum Research Group";
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28 unsigned long len = 16, mlen = strlen(m);
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29 unsigned char out[1000];
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30 poly1305_state st;
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31 int err;
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32
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33 /* process piece by piece */
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34 if ((err = poly1305_init(&st, k, 32)) != CRYPT_OK) return err;
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35 if ((err = poly1305_process(&st, (unsigned char*)m, 5)) != CRYPT_OK) return err;
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36 if ((err = poly1305_process(&st, (unsigned char*)m + 5, 4)) != CRYPT_OK) return err;
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37 if ((err = poly1305_process(&st, (unsigned char*)m + 9, 3)) != CRYPT_OK) return err;
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38 if ((err = poly1305_process(&st, (unsigned char*)m + 12, 2)) != CRYPT_OK) return err;
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39 if ((err = poly1305_process(&st, (unsigned char*)m + 14, 1)) != CRYPT_OK) return err;
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40 if ((err = poly1305_process(&st, (unsigned char*)m + 15, mlen - 15)) != CRYPT_OK) return err;
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41 if ((err = poly1305_done(&st, out, &len)) != CRYPT_OK) return err;
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42 if (compare_testvector(out, len, tag, sizeof(tag), "POLY1305-TV1", 1) != 0) return CRYPT_FAIL_TESTVECTOR;
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43 /* process in one go */
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44 if ((err = poly1305_init(&st, k, 32)) != CRYPT_OK) return err;
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45 if ((err = poly1305_process(&st, (unsigned char*)m, mlen)) != CRYPT_OK) return err;
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46 if ((err = poly1305_done(&st, out, &len)) != CRYPT_OK) return err;
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47 if (compare_testvector(out, len, tag, sizeof(tag), "POLY1305-TV2", 1) != 0) return CRYPT_FAIL_TESTVECTOR;
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48 return CRYPT_OK;
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49 #endif
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50 }
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51
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52 #endif
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53
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54 /* ref: $Format:%D$ */
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55 /* git commit: $Format:%H$ */
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56 /* commit time: $Format:%ai$ */