deps/crypto/sha256_test.c

   1 /*********************************************************************
   2 * Filename:   sha256.c
   3 * Author:     Brad Conte (brad AT bradconte.com)
   4 * Copyright:
   5 * Disclaimer: This code is presented "as is" without any guarantees.
   6 * Details:    Performs known-answer tests on the corresponding SHA1
   7                   implementation. These tests do not encompass the full
   8                   range of available test vectors, however, if the tests
   9                   pass it is very, very likely that the code is correct
  10                   and was compiled properly. This code also serves as
  11                   example usage of the functions.
  12 *********************************************************************/
  13
  14 /*************************** HEADER FILES ***************************/
  15 #include <stdio.h>
  16 #include <memory.h>
  17 #include <string.h>
  18 #include "sha256.h"
  19
  20 /*********************** FUNCTION DEFINITIONS ***********************/
  21 int sha256_test()
  22 {
  23         BYTE text1[] = {"abc"};
  24         BYTE text2[] = {"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"};
  25         BYTE text3[] = {"aaaaaaaaaa"};
  26         BYTE hash1[SHA256_BLOCK_SIZE] = {0xba,0x78,0x16,0xbf,0x8f,0x01,0xcf,0xea,0x41,0x41,0x40,0xde,0x5d,0xae,0x22,0x23,
  27                                          0xb0,0x03,0x61,0xa3,0x96,0x17,0x7a,0x9c,0xb4,0x10,0xff,0x61,0xf2,0x00,0x15,0xad};
  28         BYTE hash2[SHA256_BLOCK_SIZE] = {0x24,0x8d,0x6a,0x61,0xd2,0x06,0x38,0xb8,0xe5,0xc0,0x26,0x93,0x0c,0x3e,0x60,0x39,
  29                                          0xa3,0x3c,0xe4,0x59,0x64,0xff,0x21,0x67,0xf6,0xec,0xed,0xd4,0x19,0xdb,0x06,0xc1};
  30         BYTE hash3[SHA256_BLOCK_SIZE] = {0xcd,0xc7,0x6e,0x5c,0x99,0x14,0xfb,0x92,0x81,0xa1,0xc7,0xe2,0x84,0xd7,0x3e,0x67,
  31                                          0xf1,0x80,0x9a,0x48,0xa4,0x97,0x20,0x0e,0x04,0x6d,0x39,0xcc,0xc7,0x11,0x2c,0xd0};
  32         BYTE buf[SHA256_BLOCK_SIZE];
  33         SHA256_CTX ctx;
  34         int idx;
  35         int pass = 1;
  36
  37         sha256_init(&ctx);
  38         sha256_update(&ctx, text1, strlen(text1));
  39         sha256_final(&ctx, buf);
  40         pass = pass && !memcmp(hash1, buf, SHA256_BLOCK_SIZE);
  41
  42         sha256_init(&ctx);
  43         sha256_update(&ctx, text2, strlen(text2));
  44         sha256_final(&ctx, buf);
  45         pass = pass && !memcmp(hash2, buf, SHA256_BLOCK_SIZE);
  46
  47         sha256_init(&ctx);
  48         for (idx = 0; idx < 100000; ++idx)
  49            sha256_update(&ctx, text3, strlen(text3));
  50         sha256_final(&ctx, buf);
  51         pass = pass && !memcmp(hash3, buf, SHA256_BLOCK_SIZE);
  52
  53         return(pass);
  54 }
  55
  56 int main()
  57 {
  58         printf("SHA-256 tests: %s\n", sha256_test() ? "SUCCEEDED" : "FAILED");
  59
  60         return(0);
  61 }