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utils-std

Collection of commonly available Unix tools git clone https://anongit.hacktivis.me/git/utils-std.git

t_sha512.c (2251B)

    

  1. // utils-std: Collection of commonly available Unix tools
  2. // SPDX-FileCopyrightText: 2017 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
  3. // SPDX-License-Identifier: 0BSD
  5. #define _POSIX_C_SOURCE 200809L
  6. #include "../lib/sha512.h"
  7. #include "../lib/strconv.h"
  9. #include <assert.h>
  10. #include <stdio.h>  // printf
  11. #include <string.h> // memcmp
  13. int counter = 0;
  14. int err = 0;
  16. static void
  17. t_sha512(const char *name,
  18.          const void *data,
  19.          size_t datalen,
  20.          const char expected[SHA512_DIGEST_LENGTH * 2])
  21. {
  22. 	int id = ++counter;
  24. 	struct sha512 ctx;
  25. 	sha512_init(&ctx);
  26. 	sha512_update(&ctx, data, datalen);
  28. 	uint8_t res[SHA512_DIGEST_LENGTH] = "";
  29. 	sha512_sum(&ctx, res);
  31. 	char got[SHA512_DIGEST_LENGTH * 2] = "";
  32. 	bytes2hex(res, sizeof(res), got, sizeof(got));
  34. 	if(memcmp(expected, got, SHA512_DIGEST_LENGTH * 2) == 0)
  35. 	{
  36. 		printf("ok %d - %s\n", id, name);
  37. 		return;
  38. 	}
  40. 	err = 1;
  42. 	fputs("# Expected: ", stdout);
  43. 	fwrite(expected, SHA512_DIGEST_LENGTH * 2, 1, stdout);
  44. 	fputs("\n", stdout);
  46. 	fputs("# Got: ", stdout);
  47. 	fwrite(got, SHA512_DIGEST_LENGTH * 2, 1, stdout);
  48. 	fputs("\n", stdout);
  50. 	printf("not ok %d - %s\n", id, name);
  51. }
  53. int
  54. main(void)
  55. {
  56. 	int plan = 3;
  57. 	printf("1..%d\n", plan);
  59. 	t_sha512("empty",
  60. 	         "",
  61. 	         0,
  62. 	         "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce"
  63. 	         "47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e");
  65. 	// https://web.archive.org/web/20130526224224/https://csrc.nist.gov/groups/STM/cavp/documents/shs/sha512-384-512.pdf
  66. 	t_sha512("abc",
  67. 	         "abc",
  68. 	         3,
  69. 	         "ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a"
  70. 	         "2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f");
  71. 	// clang-format off
  72. 	t_sha512("abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
  73. 	         "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu",
  74. 	         112,
  75. 	         "8e959b75dae313da8cf4f72814fc143f8f7779c6eb9f7fa17299aeadb6889018"
  76. 	         "501d289e4900f7e4331b99dec4b5433ac7d329eeb6dd26545e96e55b874be909");
  77. 	// clang-format on
  79. 	assert(counter == plan);
  80. 	return err;
  81. }