Mercurial > dropbear
annotate libtomcrypt/testprof/modes_test.c @ 332:6f90e5fd42cc
fix accidentally changed == vs != operators
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 11 Jun 2006 16:37:46 +0000 |
parents | 1b9e69c058d2 |
children | 0cbe8f6dbf9e |
rev | line source |
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285
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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 symmetric_CBC cbc; |
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9 symmetric_CFB cfb; |
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10 symmetric_OFB ofb; |
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11 symmetric_CTR ctr; |
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12 unsigned long l; |
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13 |
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14 /* make a random pt, key and iv */ |
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15 yarrow_read(pt, 64, &yarrow_prng); |
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16 yarrow_read(key, 16, &yarrow_prng); |
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17 yarrow_read(iv, 16, &yarrow_prng); |
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18 |
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19 /* get idx of AES handy */ |
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20 cipher_idx = find_cipher("aes"); |
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21 if (cipher_idx == -1) { |
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22 fprintf(stderr, "test requires AES"); |
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23 return 1; |
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24 } |
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25 |
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26 #ifdef CBC |
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27 /* test CBC mode */ |
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28 /* encode the block */ |
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29 DO(cbc_start(cipher_idx, iv, key, 16, 0, &cbc)); |
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30 l = sizeof(iv2); |
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31 DO(cbc_getiv(iv2, &l, &cbc)); |
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32 if (l != 16 || memcmp(iv2, iv, 16)) { |
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33 fprintf(stderr, "cbc_getiv failed"); |
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34 return 1; |
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35 } |
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36 DO(cbc_encrypt(pt, ct, 64, &cbc)); |
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37 |
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38 /* decode the block */ |
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39 DO(cbc_setiv(iv2, l, &cbc)); |
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40 zeromem(tmp, sizeof(tmp)); |
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41 DO(cbc_decrypt(ct, tmp, 64, &cbc)); |
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42 if (memcmp(tmp, pt, 64) != 0) { |
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43 fprintf(stderr, "CBC failed"); |
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44 return 1; |
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45 } |
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46 #endif |
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47 |
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48 #ifdef CFB |
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49 /* test CFB mode */ |
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50 /* encode the block */ |
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51 DO(cfb_start(cipher_idx, iv, key, 16, 0, &cfb)); |
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52 l = sizeof(iv2); |
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53 DO(cfb_getiv(iv2, &l, &cfb)); |
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54 /* note we don't memcmp iv2/iv since cfb_start processes the IV for the first block */ |
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55 if (l != 16) { |
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56 fprintf(stderr, "cfb_getiv failed"); |
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57 return 1; |
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58 } |
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59 DO(cfb_encrypt(pt, ct, 64, &cfb)); |
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60 |
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61 /* decode the block */ |
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62 DO(cfb_setiv(iv, l, &cfb)); |
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63 zeromem(tmp, sizeof(tmp)); |
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64 DO(cfb_decrypt(ct, tmp, 64, &cfb)); |
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65 if (memcmp(tmp, pt, 64) != 0) { |
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66 fprintf(stderr, "CFB failed"); |
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67 return 1; |
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68 } |
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69 #endif |
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70 |
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71 #ifdef OFB |
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72 /* test OFB mode */ |
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73 /* encode the block */ |
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74 DO(ofb_start(cipher_idx, iv, key, 16, 0, &ofb)); |
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75 l = sizeof(iv2); |
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76 DO(ofb_getiv(iv2, &l, &ofb)); |
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77 if (l != 16 || memcmp(iv2, iv, 16)) { |
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78 fprintf(stderr, "ofb_getiv failed"); |
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79 return 1; |
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80 } |
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81 DO(ofb_encrypt(pt, ct, 64, &ofb)); |
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82 |
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83 /* decode the block */ |
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84 DO(ofb_setiv(iv2, l, &ofb)); |
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85 zeromem(tmp, sizeof(tmp)); |
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86 DO(ofb_decrypt(ct, tmp, 64, &ofb)); |
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87 if (memcmp(tmp, pt, 64) != 0) { |
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88 fprintf(stderr, "OFB failed"); |
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89 return 1; |
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90 } |
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91 #endif |
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92 |
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93 #ifdef CTR |
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94 /* test CTR mode */ |
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95 /* encode the block */ |
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96 DO(ctr_start(cipher_idx, iv, key, 16, 0, CTR_COUNTER_LITTLE_ENDIAN, &ctr)); |
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97 l = sizeof(iv2); |
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98 DO(ctr_getiv(iv2, &l, &ctr)); |
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99 if (l != 16 || memcmp(iv2, iv, 16)) { |
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100 fprintf(stderr, "ctr_getiv failed"); |
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101 return 1; |
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102 } |
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103 DO(ctr_encrypt(pt, ct, 57, &ctr)); |
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104 |
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105 /* decode the block */ |
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106 DO(ctr_setiv(iv2, l, &ctr)); |
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107 zeromem(tmp, sizeof(tmp)); |
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108 DO(ctr_decrypt(ct, tmp, 57, &ctr)); |
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109 if (memcmp(tmp, pt, 57) != 0) { |
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110 fprintf(stderr, "CTR failed"); |
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111 return 1; |
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112 } |
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113 #endif |
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114 |
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115 return 0; |
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116 } |
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117 |
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118 /* $Source: /cvs/libtom/libtomcrypt/testprof/modes_test.c,v $ */ |
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119 /* $Revision: 1.6 $ */ |
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120 /* $Date: 2005/05/21 12:51:25 $ */ |