70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
/*********************************************************************
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* Filename: sha256.c
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* Author: Brad Conte (brad AT bradconte.com)
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* Copyright:
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* Disclaimer: This code is presented "as is" without any guarantees.
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* Details: Performs known-answer tests on the corresponding SHA1
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implementation. These tests do not encompass the full
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range of available test vectors, however, if the tests
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pass it is very, very likely that the code is correct
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and was compiled properly. This code also serves as
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example usage of the functions.
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*********************************************************************/
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/*************************** HEADER FILES ***************************/
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#include "../libraries/sha/sha256.h"
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#include <memory.h>
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#include <stdio.h>
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#include <string.h>
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/*********************** FUNCTION DEFINITIONS ***********************/
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int
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sha256_test ()
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{
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BYTE text1[] = { "abc" };
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BYTE text2[]
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= { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" };
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BYTE text3[] = { "aaaaaaaaaa" };
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BYTE hash1[SHA256_BLOCK_SIZE]
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= { 0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea, 0x41, 0x41, 0x40,
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0xde, 0x5d, 0xae, 0x22, 0x23, 0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17,
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0x7a, 0x9c, 0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad };
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BYTE hash2[SHA256_BLOCK_SIZE]
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= { 0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8, 0xe5, 0xc0, 0x26,
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0x93, 0x0c, 0x3e, 0x60, 0x39, 0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff,
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0x21, 0x67, 0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1 };
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BYTE hash3[SHA256_BLOCK_SIZE]
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= { 0xcd, 0xc7, 0x6e, 0x5c, 0x99, 0x14, 0xfb, 0x92, 0x81, 0xa1, 0xc7,
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0xe2, 0x84, 0xd7, 0x3e, 0x67, 0xf1, 0x80, 0x9a, 0x48, 0xa4, 0x97,
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0x20, 0x0e, 0x04, 0x6d, 0x39, 0xcc, 0xc7, 0x11, 0x2c, 0xd0 };
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BYTE buf[SHA256_BLOCK_SIZE];
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SHA256_CTX ctx;
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int idx;
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int pass = 1;
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sha256_init (&ctx);
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sha256_update (&ctx, text1, strlen (text1));
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sha256_final (&ctx, buf);
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pass = pass && !memcmp (hash1, buf, SHA256_BLOCK_SIZE);
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sha256_init (&ctx);
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sha256_update (&ctx, text2, strlen (text2));
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sha256_final (&ctx, buf);
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pass = pass && !memcmp (hash2, buf, SHA256_BLOCK_SIZE);
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sha256_init (&ctx);
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for (idx = 0; idx < 100000; ++idx)
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sha256_update (&ctx, text3, strlen (text3));
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sha256_final (&ctx, buf);
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pass = pass && !memcmp (hash3, buf, SHA256_BLOCK_SIZE);
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return (pass);
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}
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int
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main ()
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{
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printf ("SHA-256 tests: %s\n", sha256_test () ? "SUCCEEDED" : "FAILED");
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return (0);
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} |