Mercurial > dropbear
annotate libtomcrypt/tests/base64_test.c @ 1861:2b3a8026a6ce
Add re-exec for server
This allows ASLR to re-randomize the address
space for every connection, preventing some
vulnerabilities from being exploitable by
repeated probing.
Overhead (memory and time) is yet to be confirmed.
At present this is only enabled on Linux. Other BSD platforms
with fexecve() would probably also work though have not been tested.
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 30 Jan 2022 10:14:56 +0800 |
parents | 6dba84798cd5 |
children |
rev | line source |
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1471
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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 #if defined(LTC_BASE64) || defined(LTC_BASE64_URL) |
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12 int base64_test(void) |
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13 { |
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14 unsigned char in[64], out[256], tmp[64]; |
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15 unsigned long x, l1, l2, slen1; |
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16 |
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17 const unsigned char special_case[] = { |
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18 0xbe, 0xe8, 0x92, 0x3c, 0xa2, 0x25, 0xf0, 0xf8, |
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19 0x91, 0xe4, 0xef, 0xab, 0x0b, 0x8c, 0xfd, 0xff, |
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20 0x14, 0xd0, 0x29, 0x9d, 0x00 }; |
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21 |
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22 #if defined(LTC_BASE64) |
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23 /* |
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24 TEST CASES SOURCE: |
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25 |
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26 Network Working Group S. Josefsson |
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27 Request for Comments: 4648 SJD |
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28 Obsoletes: 3548 October 2006 |
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29 Category: Standards Track |
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30 */ |
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31 const struct { |
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32 const char* s; |
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33 const char* b64; |
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34 } cases[] = { |
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35 {"", "" }, |
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36 {"f", "Zg==" }, |
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37 {"fo", "Zm8=" }, |
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38 {"foo", "Zm9v" }, |
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39 {"foob", "Zm9vYg==" }, |
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40 {"fooba", "Zm9vYmE=" }, |
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41 {"foobar", "Zm9vYmFy"}, |
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42 {(char*)special_case,"vuiSPKIl8PiR5O+rC4z9/xTQKZ0="} |
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43 }; |
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44 #endif |
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45 |
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46 #ifdef LTC_BASE64_URL |
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47 const struct { |
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48 const char* s; |
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49 int is_strict; |
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50 } url_cases[] = { |
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51 {"vuiSPKIl8PiR5O-rC4z9_xTQKZ0", 0}, |
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52 {"vuiSPKIl8PiR5O-rC4z9_xTQKZ0=", 1}, |
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53 {"vuiS*PKIl8P*iR5O-rC4*z9_xTQKZ0", 0}, |
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54 {"vuiS*PKIl8P*iR5O-rC4*z9_xTQKZ0=", 0}, |
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55 {"vuiS*PKIl8P*iR5O-rC4*z9_xTQKZ0==", 0}, |
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56 {"vuiS*PKIl8P*iR5O-rC4*z9_xTQKZ0===", 0}, |
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57 {"vuiS*PKIl8P*iR5O-rC4*z9_xTQKZ0====", 0}, |
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58 {"vuiS*=PKIl8P*iR5O-rC4*z9_xTQKZ0=", 0}, |
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59 {"vuiS*==PKIl8P*iR5O-rC4*z9_xTQKZ0=", 0}, |
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60 {"vuiS*===PKIl8P*iR5O-rC4*z9_xTQKZ0=", 0}, |
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61 }; |
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62 |
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63 for (x = 0; x < sizeof(url_cases)/sizeof(url_cases[0]); ++x) { |
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64 slen1 = strlen(url_cases[x].s); |
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65 l1 = sizeof(out); |
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66 if(url_cases[x].is_strict) |
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67 DO(base64url_strict_decode((unsigned char*)url_cases[x].s, slen1, out, &l1)); |
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68 else |
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69 DO(base64url_decode((unsigned char*)url_cases[x].s, slen1, out, &l1)); |
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70 if (compare_testvector(out, l1, special_case, sizeof(special_case) - 1, "base64url decode", x)) { |
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71 return 1; |
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72 } |
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73 if(x < 2) { |
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74 l2 = sizeof(tmp); |
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75 if(x == 0) |
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76 DO(base64url_encode(out, l1, tmp, &l2)); |
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77 else |
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78 DO(base64url_strict_encode(out, l1, tmp, &l2)); |
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79 if (compare_testvector(tmp, l2, url_cases[x].s, strlen(url_cases[x].s), "base64url encode", x)) { |
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80 return 1; |
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81 } |
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82 } |
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83 } |
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84 |
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85 DO(base64url_strict_decode((unsigned char*)url_cases[4].s, slen1, out, &l1) == CRYPT_INVALID_PACKET ? CRYPT_OK : CRYPT_INVALID_PACKET); |
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86 #endif |
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87 |
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88 #if defined(LTC_BASE64) |
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89 for (x = 0; x < sizeof(cases)/sizeof(cases[0]); ++x) { |
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90 memset(out, 0, sizeof(out)); |
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91 memset(tmp, 0, sizeof(tmp)); |
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92 slen1 = strlen(cases[x].s); |
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93 l1 = sizeof(out); |
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94 DO(base64_encode((unsigned char*)cases[x].s, slen1, out, &l1)); |
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95 l2 = sizeof(tmp); |
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96 DO(base64_strict_decode(out, l1, tmp, &l2)); |
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97 if (compare_testvector(out, l1, cases[x].b64, strlen(cases[x].b64), "base64 encode", x) || |
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98 compare_testvector(tmp, l2, cases[x].s, slen1, "base64 decode", x)) { |
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99 return 1; |
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100 } |
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101 } |
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102 |
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103 for (x = 0; x < 64; x++) { |
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104 yarrow_read(in, x, &yarrow_prng); |
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105 l1 = sizeof(out); |
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106 DO(base64_encode(in, x, out, &l1)); |
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107 l2 = sizeof(tmp); |
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108 DO(base64_decode(out, l1, tmp, &l2)); |
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109 if (compare_testvector(tmp, x, in, x, "random base64", x)) { |
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110 return 1; |
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111 } |
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112 } |
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113 |
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114 x--; |
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115 memmove(&out[11], &out[10], l1 - 10); |
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116 out[10] = '='; |
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117 l1++; |
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118 l2 = sizeof(tmp); |
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119 DO(base64_decode(out, l1, tmp, &l2)); |
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120 if (compare_testvector(tmp, l2, in, l2, "relaxed base64 decoding", -1)) { |
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121 print_hex("input ", out, l1); |
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122 return 1; |
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123 } |
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124 l2 = sizeof(tmp); |
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125 DO(base64_strict_decode(out, l1, tmp, &l2) == CRYPT_INVALID_PACKET ? CRYPT_OK : CRYPT_INVALID_PACKET); |
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126 #endif |
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127 |
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128 return 0; |
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129 } |
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130 #endif |
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131 |
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132 /* ref: $Format:%D$ */ |
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133 /* git commit: $Format:%H$ */ |
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134 /* commit time: $Format:%ai$ */ |