Mercurial > dropbear
annotate libtomcrypt/testprof/modes_test.c @ 1772:0cc85b4a4abb
Move fuzzer-kex initialisation into a constructor function
Hopefully this can avoid hitting AFL timeouts
https://github.com/google/oss-fuzz/pull/2474
author | Matt Johnston <matt@ucc.asn.au> |
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date | Thu, 29 Oct 2020 23:00:52 +0800 |
parents | f849a5ca2efc |
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rev | line source |
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1 /* test CFB/OFB/CBC modes */ |
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2 #include <tomcrypt_test.h> |
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3 |
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4 int modes_test(void) |
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5 { |
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6 unsigned char pt[64], ct[64], tmp[64], key[16], iv[16], iv2[16]; |
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7 int cipher_idx; |
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8 #ifdef LTC_CBC_MODE |
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9 symmetric_CBC cbc; |
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10 #endif |
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11 #ifdef LTC_CFB_MODE |
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12 symmetric_CFB cfb; |
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13 #endif |
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14 #ifdef LTC_OFB_MODE |
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15 symmetric_OFB ofb; |
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16 #endif |
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17 unsigned long l; |
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18 |
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19 /* make a random pt, key and iv */ |
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20 yarrow_read(pt, 64, &yarrow_prng); |
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21 yarrow_read(key, 16, &yarrow_prng); |
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22 yarrow_read(iv, 16, &yarrow_prng); |
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23 |
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24 /* get idx of AES handy */ |
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25 cipher_idx = find_cipher("aes"); |
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26 if (cipher_idx == -1) { |
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27 fprintf(stderr, "test requires AES"); |
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28 return 1; |
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29 } |
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30 |
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31 #ifdef LTC_F8_MODE |
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32 DO(f8_test_mode()); |
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33 #endif |
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34 |
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35 #ifdef LTC_LRW_MODE |
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36 DO(lrw_test()); |
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37 #endif |
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38 |
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39 #ifdef LTC_CBC_MODE |
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40 /* test CBC mode */ |
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41 /* encode the block */ |
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42 DO(cbc_start(cipher_idx, iv, key, 16, 0, &cbc)); |
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43 l = sizeof(iv2); |
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44 DO(cbc_getiv(iv2, &l, &cbc)); |
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45 if (l != 16 || memcmp(iv2, iv, 16)) { |
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46 fprintf(stderr, "cbc_getiv failed"); |
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47 return 1; |
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48 } |
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49 DO(cbc_encrypt(pt, ct, 64, &cbc)); |
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50 |
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51 /* decode the block */ |
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52 DO(cbc_setiv(iv2, l, &cbc)); |
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53 zeromem(tmp, sizeof(tmp)); |
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54 DO(cbc_decrypt(ct, tmp, 64, &cbc)); |
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55 if (memcmp(tmp, pt, 64) != 0) { |
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56 fprintf(stderr, "CBC failed"); |
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57 return 1; |
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58 } |
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59 #endif |
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60 |
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61 #ifdef LTC_CFB_MODE |
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62 /* test CFB mode */ |
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63 /* encode the block */ |
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64 DO(cfb_start(cipher_idx, iv, key, 16, 0, &cfb)); |
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65 l = sizeof(iv2); |
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66 DO(cfb_getiv(iv2, &l, &cfb)); |
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67 /* note we don't memcmp iv2/iv since cfb_start processes the IV for the first block */ |
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68 if (l != 16) { |
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69 fprintf(stderr, "cfb_getiv failed"); |
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70 return 1; |
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71 } |
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72 DO(cfb_encrypt(pt, ct, 64, &cfb)); |
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73 |
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74 /* decode the block */ |
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75 DO(cfb_setiv(iv, l, &cfb)); |
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76 zeromem(tmp, sizeof(tmp)); |
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77 DO(cfb_decrypt(ct, tmp, 64, &cfb)); |
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78 if (memcmp(tmp, pt, 64) != 0) { |
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79 fprintf(stderr, "CFB failed"); |
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80 return 1; |
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81 } |
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82 #endif |
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83 |
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84 #ifdef LTC_OFB_MODE |
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85 /* test OFB mode */ |
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86 /* encode the block */ |
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87 DO(ofb_start(cipher_idx, iv, key, 16, 0, &ofb)); |
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88 l = sizeof(iv2); |
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89 DO(ofb_getiv(iv2, &l, &ofb)); |
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90 if (l != 16 || memcmp(iv2, iv, 16)) { |
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91 fprintf(stderr, "ofb_getiv failed"); |
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92 return 1; |
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93 } |
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94 DO(ofb_encrypt(pt, ct, 64, &ofb)); |
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95 |
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96 /* decode the block */ |
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97 DO(ofb_setiv(iv2, l, &ofb)); |
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98 zeromem(tmp, sizeof(tmp)); |
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99 DO(ofb_decrypt(ct, tmp, 64, &ofb)); |
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100 if (memcmp(tmp, pt, 64) != 0) { |
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101 fprintf(stderr, "OFB failed"); |
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102 return 1; |
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103 } |
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104 #endif |
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105 |
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106 #ifdef LTC_CTR_MODE |
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107 DO(ctr_test()); |
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108 #endif |
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109 |
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110 #ifdef LTC_XTS_MODE |
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111 DO(xts_test()); |
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112 #endif |
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113 |
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114 return 0; |
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115 } |
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116 |
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117 /* $Source$ */ |
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118 /* $Revision$ */ |
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119 /* $Date$ */ |