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annotate libtomcrypt/tests/store_test.c @ 1620:572a7aefa188 bugfix

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author Matt Johnston <matt@ucc.asn.au>
date Fri, 07 Sep 2018 23:02:20 +0800
parents 6dba84798cd5
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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 #include <tomcrypt_test.h>
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10
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11 /* Test store/load macros with offsets */
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12 int store_test(void)
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13 {
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14 unsigned char buf[256];
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15 int y;
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16 ulong32 L, L1;
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17 ulong64 LL, LL1;
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18 #ifdef LTC_FAST
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19 int x, z;
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20 #endif
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21
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22 for (y = 0; y < 4; y++) {
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23 L = 0x12345678UL;
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24 L1 = 0;
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25 STORE32L(L, buf + y);
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26 LOAD32L(L1, buf + y);
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27 if (L1 != L) {
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28 fprintf(stderr, "\n32L failed at offset %d\n", y);
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29 return 1;
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30 }
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31 STORE32H(L, buf + y);
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32 LOAD32H(L1, buf + y);
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33 if (L1 != L) {
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34 fprintf(stderr, "\n32H failed at offset %d\n", y);
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35 return 1;
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36 }
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37 }
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38
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39 for (y = 0; y < 8; y++) {
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40 LL = CONST64 (0x01020304050607);
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41 LL1 = 0;
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42 STORE64L(LL, buf + y);
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43 LOAD64L(LL1, buf + y);
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44 if (LL1 != LL) {
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45 fprintf(stderr, "\n64L failed at offset %d\n", y);
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46 return 1;
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47 }
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48 STORE64H(LL, buf + y);
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49 LOAD64H(LL1, buf + y);
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50 if (LL1 != LL) {
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51 fprintf(stderr, "\n64H failed at offset %d\n", y);
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52 return 1;
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53 }
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54 }
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55
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56 /* test LTC_FAST */
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57 #ifdef LTC_FAST
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58 y = 16;
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59
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60 for (z = 0; z < y; z++) {
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61 /* fill y bytes with random */
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62 yarrow_read(buf+z, y, &yarrow_prng);
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63 yarrow_read(buf+z+y, y, &yarrow_prng);
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64
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65 /* now XOR it byte for byte */
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66 for (x = 0; x < y; x++) {
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67 buf[2*y+z+x] = buf[z+x] ^ buf[z+y+x];
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68 }
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69
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70 /* now XOR it word for word */
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71 for (x = 0; x < y; x += sizeof(LTC_FAST_TYPE)) {
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72 *(LTC_FAST_TYPE_PTR_CAST(&buf[3*y+z+x])) = *(LTC_FAST_TYPE_PTR_CAST(&buf[z+x])) ^ *(LTC_FAST_TYPE_PTR_CAST(&buf[z+y+x]));
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73 }
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74
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75 if (memcmp(&buf[2*y+z], &buf[3*y+z], y)) {
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76 fprintf(stderr, "\nLTC_FAST failed at offset %d\n", z);
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77 return 1;
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78 }
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79 }
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80 #endif
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81 return 0;
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82 }
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83
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84 /* ref: $Format:%D$ */
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85 /* git commit: $Format:%H$ */
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86 /* commit time: $Format:%ai$ */