Mercurial > dropbear

annotate libtomcrypt/src/stream/chacha/chacha_test.c @ 1629:258b57b208ae

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Fix for issue successfull login of disabled user (#78) This commit introduces fix for scenario: 1. Root login disabled on dropbear 2. PAM authentication model enabled While login as root user, after prompt for password user is being notified about login failrue, but after second attempt of prompt for password within same session, login becames succesfull. Signed-off-by: Pawel Rapkiewicz <[email protected]>
author vincentto13 <33652988+vincentto13@users.noreply.github.com>
date Wed, 20 Mar 2019 15:03:40 +0100
parents 6dba84798cd5
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1471
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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: $Format:%ai$ */