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annotate libtomcrypt/src/stream/chacha/chacha_test.c @ 1902:4a6725ac957c

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Revert "Don't include sk keys at all in KEX list" This reverts git commit f972813ecdc7bb981d25b5a63638bd158f1c8e72. The sk algorithms need to remain in the sigalgs list so that they are included in the server-sig-algs ext-info message sent by the server. RFC8308 for server-sig-algs requires that all algorithms are listed (though OpenSSH client 8.4p1 tested doesn't require that)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 24 Mar 2022 13:42:08 +0800
parents 6dba84798cd5
children
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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 * chacha-ref.c version 20080118
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12 * Public domain from D. J. Bernstein
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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_CHACHA
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18
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19 int chacha_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 unsigned long len;
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25 unsigned char out[1000];
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26 /* https://tools.ietf.org/html/rfc7539#section-2.4.2 */
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27 unsigned char k[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
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28 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f };
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29 unsigned char n[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00, 0x00, 0x00 };
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30 unsigned char ct[] = { 0x6E, 0x2E, 0x35, 0x9A, 0x25, 0x68, 0xF9, 0x80, 0x41, 0xBA, 0x07, 0x28, 0xDD, 0x0D, 0x69, 0x81,
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31 0xE9, 0x7E, 0x7A, 0xEC, 0x1D, 0x43, 0x60, 0xC2, 0x0A, 0x27, 0xAF, 0xCC, 0xFD, 0x9F, 0xAE, 0x0B,
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32 0xF9, 0x1B, 0x65, 0xC5, 0x52, 0x47, 0x33, 0xAB, 0x8F, 0x59, 0x3D, 0xAB, 0xCD, 0x62, 0xB3, 0x57,
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33 0x16, 0x39, 0xD6, 0x24, 0xE6, 0x51, 0x52, 0xAB, 0x8F, 0x53, 0x0C, 0x35, 0x9F, 0x08, 0x61, 0xD8,
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34 0x07, 0xCA, 0x0D, 0xBF, 0x50, 0x0D, 0x6A, 0x61, 0x56, 0xA3, 0x8E, 0x08, 0x8A, 0x22, 0xB6, 0x5E,
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35 0x52, 0xBC, 0x51, 0x4D, 0x16, 0xCC, 0xF8, 0x06, 0x81, 0x8C, 0xE9, 0x1A, 0xB7, 0x79, 0x37, 0x36,
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36 0x5A, 0xF9, 0x0B, 0xBF, 0x74, 0xA3, 0x5B, 0xE6, 0xB4, 0x0B, 0x8E, 0xED, 0xF2, 0x78, 0x5E, 0x42,
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37 0x87, 0x4D };
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38 char pt[] = "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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39 chacha_state st;
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40 int err;
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41
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42 len = strlen(pt);
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43 /* crypt piece by piece */
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44 if ((err = chacha_setup(&st, k, sizeof(k), 20)) != CRYPT_OK) return err;
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45 if ((err = chacha_ivctr32(&st, n, sizeof(n), 1)) != CRYPT_OK) return err;
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46 if ((err = chacha_crypt(&st, (unsigned char*)pt, 35, out)) != CRYPT_OK) return err;
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47 if ((err = chacha_crypt(&st, (unsigned char*)pt + 35, 35, out + 35)) != CRYPT_OK) return err;
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48 if ((err = chacha_crypt(&st, (unsigned char*)pt + 70, 5, out + 70)) != CRYPT_OK) return err;
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49 if ((err = chacha_crypt(&st, (unsigned char*)pt + 75, 5, out + 75)) != CRYPT_OK) return err;
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50 if ((err = chacha_crypt(&st, (unsigned char*)pt + 80, len - 80, out + 80)) != CRYPT_OK) return err;
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51 if (compare_testvector(out, len, ct, sizeof(ct), "CHACHA-TV1", 1)) return CRYPT_FAIL_TESTVECTOR;
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52 /* crypt in one go */
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53 if ((err = chacha_setup(&st, k, sizeof(k), 20)) != CRYPT_OK) return err;
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54 if ((err = chacha_ivctr32(&st, n, sizeof(n), 1)) != CRYPT_OK) return err;
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55 if ((err = chacha_crypt(&st, (unsigned char*)pt, len, out)) != CRYPT_OK) return err;
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56 if (compare_testvector(out, len, ct, sizeof(ct), "CHACHA-TV2", 1)) return CRYPT_FAIL_TESTVECTOR;
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57 /* crypt in one go - using chacha_ivctr64() */
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58 if ((err = chacha_setup(&st, k, sizeof(k), 20)) != CRYPT_OK) return err;
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59 if ((err = chacha_ivctr64(&st, n + 4, sizeof(n) - 4, 1)) != CRYPT_OK) return err;
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60 if ((err = chacha_crypt(&st, (unsigned char*)pt, len, out)) != CRYPT_OK) return err;
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61 if (compare_testvector(out, len, ct, sizeof(ct), "CHACHA-TV3", 1)) return CRYPT_FAIL_TESTVECTOR;
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62
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63 return CRYPT_OK;
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64 #endif
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65 }
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66
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67 #endif
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68
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69 /* ref: $Format:%D$ */
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70 /* git commit: $Format:%H$ */
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71 /* commit time: $Format:%ai$ */