tests/util/sha256.c

   1 #include "clar_libgit2.h"
   2 #include "hash.h"
   3
   4 #define FIXTURE_DIR "sha1"
   5
   6 #ifdef GIT_SHA256_WIN32
   7 static git_hash_win32_provider_t orig_provider;
   8 #endif
   9
  10 void test_sha256__initialize(void)
  11 {
  12 #ifdef GIT_SHA256_WIN32
  13         orig_provider = git_hash_win32_provider();
  14 #endif
  15
  16         cl_fixture_sandbox(FIXTURE_DIR);
  17 }
  18
  19 void test_sha256__cleanup(void)
  20 {
  21 #ifdef GIT_SHA256_WIN32
  22         git_hash_win32_set_provider(orig_provider);
  23 #endif
  24
  25         cl_fixture_cleanup(FIXTURE_DIR);
  26 }
  27
  28 static int sha256_file(unsigned char *out, const char *filename)
  29 {
  30         git_hash_ctx ctx;
  31         char buf[2048];
  32         int fd, ret;
  33         ssize_t read_len;
  34
  35         fd = p_open(filename, O_RDONLY);
  36         cl_assert(fd >= 0);
  37
  38         cl_git_pass(git_hash_ctx_init(&ctx, GIT_HASH_ALGORITHM_SHA256));
  39
  40         while ((read_len = p_read(fd, buf, 2048)) > 0)
  41                 cl_git_pass(git_hash_update(&ctx, buf, (size_t)read_len));
  42
  43         cl_assert_equal_i(0, read_len);
  44         p_close(fd);
  45
  46         ret = git_hash_final(out, &ctx);
  47         git_hash_ctx_cleanup(&ctx);
  48
  49         return ret;
  50 }
  51
  52 void test_sha256__empty(void)
  53 {
  54         unsigned char expected[GIT_HASH_SHA256_SIZE] = {
  55                 0xe3, 0xb0, 0xc4, 0x42, 0x98, 0xfc, 0x1c, 0x14,
  56                 0x9a, 0xfb, 0xf4, 0xc8, 0x99, 0x6f, 0xb9, 0x24,
  57                 0x27, 0xae, 0x41, 0xe4, 0x64, 0x9b, 0x93, 0x4c,
  58                 0xa4, 0x95, 0x99, 0x1b, 0x78, 0x52, 0xb8, 0x55
  59         };
  60         unsigned char actual[GIT_HASH_SHA256_SIZE];
  61
  62         cl_git_pass(sha256_file(actual, FIXTURE_DIR "/empty"));
  63         cl_assert_equal_i(0, memcmp(expected, actual, GIT_HASH_SHA256_SIZE));
  64 }
  65
  66 void test_sha256__hello(void)
  67 {
  68         unsigned char expected[GIT_HASH_SHA256_SIZE] = {
  69                 0xaa, 0x32, 0x7f, 0xae, 0x5c, 0x91, 0x58, 0x3a,
  70                 0x4f, 0xb6, 0x54, 0xcc, 0xb6, 0xc2, 0xb1, 0x0c,
  71                 0x77, 0xd7, 0x49, 0xc9, 0x91, 0x2a, 0x8d, 0x6b,
  72                 0x47, 0x26, 0x13, 0xc0, 0xa0, 0x4b, 0x4d, 0xad
  73         };
  74         unsigned char actual[GIT_HASH_SHA256_SIZE];
  75
  76         cl_git_pass(sha256_file(actual, FIXTURE_DIR "/hello_c"));
  77         cl_assert_equal_i(0, memcmp(expected, actual, GIT_HASH_SHA256_SIZE));
  78 }
  79
  80 void test_sha256__pdf(void)
  81 {
  82         unsigned char expected[GIT_HASH_SHA256_SIZE] = {
  83                 0x2b, 0xb7, 0x87, 0xa7, 0x3e, 0x37, 0x35, 0x2f,
  84                 0x92, 0x38, 0x3a, 0xbe, 0x7e, 0x29, 0x02, 0x93,
  85                 0x6d, 0x10, 0x59, 0xad, 0x9f, 0x1b, 0xa6, 0xda,
  86                 0xaa, 0x9c, 0x1e, 0x58, 0xee, 0x69, 0x70, 0xd0
  87         };
  88         unsigned char actual[GIT_HASH_SHA256_SIZE];
  89
  90         cl_git_pass(sha256_file(actual, FIXTURE_DIR "/shattered-1.pdf"));
  91         cl_assert_equal_i(0, memcmp(expected, actual, GIT_HASH_SHA256_SIZE));
  92 }
  93
  94 void test_sha256__win32_providers(void)
  95 {
  96 #ifdef GIT_SHA256_WIN32
  97         unsigned char expected[GIT_HASH_SHA256_SIZE] = {
  98                 0x2b, 0xb7, 0x87, 0xa7, 0x3e, 0x37, 0x35, 0x2f,
  99                 0x92, 0x38, 0x3a, 0xbe, 0x7e, 0x29, 0x02, 0x93,
 100                 0x6d, 0x10, 0x59, 0xad, 0x9f, 0x1b, 0xa6, 0xda,
 101                 0xaa, 0x9c, 0x1e, 0x58, 0xee, 0x69, 0x70, 0xd0
 102         };
 103         unsigned char actual[GIT_HASH_SHA256_SIZE];
 104
 105         git_hash_win32_set_provider(GIT_HASH_WIN32_CRYPTOAPI);
 106         cl_git_pass(sha256_file(actual, FIXTURE_DIR "/shattered-1.pdf"));
 107         cl_assert_equal_i(0, memcmp(expected, actual, GIT_HASH_SHA256_SIZE));
 108
 109         git_hash_win32_set_provider(GIT_HASH_WIN32_CNG);
 110         cl_git_pass(sha256_file(actual, FIXTURE_DIR "/shattered-1.pdf"));
 111         cl_assert_equal_i(0, memcmp(expected, actual, GIT_HASH_SHA256_SIZE));
 112 #endif
 113 }