/*
 *   CrissCross
 *   A multi-purpose cross-platform library.
 *
 *   A product of IO.IN Research.
 *
 *   (c) 2006-2008 Steven Noonan.
 *   Licensed under the New BSD License.
 *
 */

#include "header.h"
#include "sha256.h"

using namespace CrissCross::Crypto;
using namespace CrissCross::IO;

int TestSHA256()
{
	SHA256Hash  sha256;

	const char *teststring = NULL;
	size_t      length = 0;

	/* These tests are from FIPS PUB 180-1 */

	teststring = "abc"; length = strlen(teststring);
	sha256.Process(teststring, length);
	TEST_ASSERT(strcmp(sha256.ToString(), "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad") == 0);

	teststring = "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"; length = strlen(teststring);
	sha256.Process(teststring, length);
	TEST_ASSERT(strcmp(sha256.ToString(), "248d6a61d20638b8e5c026930c3e6039a33ce45964ff2167f6ecedd419db06c1") == 0);

#ifdef HIGH_INTENSITY
	char      *tempstring = new char[1000001];
	memset(tempstring, 'a', 1000000);
	tempstring[1000000] = '\0';
	length = strlen(tempstring);
	sha256.Process(tempstring, length);
	TEST_ASSERT(strcmp(sha256.ToString(), "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0") == 0);

	delete [] tempstring;
#endif

	SHA256Hash otherhash;
	otherhash.Process("cheese", 6);
	TEST_ASSERT(otherhash != sha256 && sha256 != otherhash);

	otherhash.Process(teststring, length);
	TEST_ASSERT(otherhash == sha256 && sha256 == otherhash);

#ifdef FILE_CHECKSUM
	TextReader file;
	file.Open("testfile");
	sha256.Process((CoreIOReader *)&file);
	TEST_ASSERT(strcmp(sha256.ToString(), "e6f106d98b2937a68a1700c747e37c4d942a364ee0a529cb5b49e9e4cf66b7fe") == 0);
#endif

	return 0;
}