Mercurial > dropbear

annotate testprof/modes_test.c @ 381:999a5eb4ed10 libtomcrypt-dropbear

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propagate from branch 'au.asn.ucc.matt.ltc.orig' (head 52840647ac7f5c707c3bd158d119a15734a7ef28) to branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 02:39:21 +0000
parents d5faf4814ddb
children
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59400faa4b44 Re-import libtomcrypt 1.05 for cleaner propagating.
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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
280
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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
280
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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
280
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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());
280
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108 #endif
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109
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110 return 0;
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111 }
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112
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113 /* $Source: /cvs/libtom/libtomcrypt/testprof/modes_test.c,v $ */
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114 /* $Revision: 1.14 $ */
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115 /* $Date: 2006/11/13 11:55:25 $ */