Mercurial > dropbear

annotate testprof/ecc_test.c @ 196:704bb050935f libtomcrypt

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makefile fixup for Dropbear
author Matt Johnston <matt@ucc.asn.au>
date Mon, 09 May 2005 12:00:08 +0000
parents 1c15b283127b
children 39d5d58461d6
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1 #include <tomcrypt_test.h>
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2
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3 #ifdef MECC
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4
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5 int ecc_tests (void)
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6 {
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7 unsigned char buf[4][4096];
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8 unsigned long x, y, z;
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9 int stat, stat2;
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10 ecc_key usera, userb, pubKey, privKey;
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11
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12 DO(ecc_test ());
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13
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14 /* make up two keys */
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15 DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), 65, &usera));
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16 DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), 65, &userb));
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17
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18 /* make the shared secret */
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19 x = 4096;
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20 DO(ecc_shared_secret (&usera, &userb, buf[0], &x));
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21
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22 y = 4096;
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23 DO(ecc_shared_secret (&userb, &usera, buf[1], &y));
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24
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25 if (y != x) {
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26 printf ("ecc Shared keys are not same size.");
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27 return 1;
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28 }
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29
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30 if (memcmp (buf[0], buf[1], x)) {
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31 printf ("ecc Shared keys not same contents.");
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32 return 1;
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33 }
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34
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35 /* now export userb */
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36 y = 4096;
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37 DO(ecc_export (buf[1], &y, PK_PUBLIC, &userb));
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38 ecc_free (&userb);
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39
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40 /* import and make the shared secret again */
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41 DO(ecc_import (buf[1], y, &userb));
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42
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43 z = 4096;
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44 DO(ecc_shared_secret (&usera, &userb, buf[2], &z));
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45
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46 if (z != x) {
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47 printf ("failed. Size don't match?");
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48 return 1;
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49 }
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50 if (memcmp (buf[0], buf[2], x)) {
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51 printf ("Failed. Content didn't match.");
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52 return 1;
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53 }
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54 ecc_free (&usera);
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55 ecc_free (&userb);
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56
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57 /* test encrypt_key */
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58 DO(ecc_make_key (&yarrow_prng, find_prng ("yarrow"), 65, &usera));
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59
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60 /* export key */
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61 x = sizeof(buf[0]);
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62 DO(ecc_export(buf[0], &x, PK_PUBLIC, &usera));
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63 DO(ecc_import(buf[0], x, &pubKey));
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64 x = sizeof(buf[0]);
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65 DO(ecc_export(buf[0], &x, PK_PRIVATE, &usera));
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66 DO(ecc_import(buf[0], x, &privKey));
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67
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68 for (x = 0; x < 32; x++) {
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69 buf[0][x] = x;
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70 }
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71 y = sizeof (buf[1]);
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72 DO(ecc_encrypt_key (buf[0], 32, buf[1], &y, &yarrow_prng, find_prng ("yarrow"), find_hash ("sha256"), &pubKey));
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73 zeromem (buf[0], sizeof (buf[0]));
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74 x = sizeof (buf[0]);
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75 DO(ecc_decrypt_key (buf[1], y, buf[0], &x, &privKey));
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76 if (x != 32) {
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77 printf ("Failed (length)");
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78 return 1;
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79 }
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80 for (x = 0; x < 32; x++)
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81 if (buf[0][x] != x) {
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82 printf ("Failed (contents)");
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83 return 1;
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84 }
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85 /* test sign_hash */
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86 for (x = 0; x < 16; x++) {
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87 buf[0][x] = x;
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88 }
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89 x = sizeof (buf[1]);
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90 DO(ecc_sign_hash (buf[0], 16, buf[1], &x, &yarrow_prng, find_prng ("yarrow"), &privKey));
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91 DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat, &pubKey));
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92 buf[0][0] ^= 1;
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93 DO(ecc_verify_hash (buf[1], x, buf[0], 16, &stat2, &privKey));
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94 if (!(stat == 1 && stat2 == 0)) {
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95 printf("ecc_verify_hash failed %d, %d, ", stat, stat2);
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96 return 1;
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97 }
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98 ecc_free (&usera);
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99 ecc_free (&pubKey);
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100 ecc_free (&privKey);
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101 return 0;
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102 }
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103
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104 #else
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105
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106 int ecc_tests(void)
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107 {
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108 printf("NOP");
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109 return 0;
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110 }
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111
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112 #endif