/*
 * Test program for SHA256
 * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#include "includes.h"

#include "common.h"
#include "sha256.h"
#include "crypto.h"

struct {
	char *data;
	u8 hash[32];
} tests[] = {
	{
		"abc",
		{
			0xba, 0x78, 0x16, 0xbf, 0x8f, 0x01, 0xcf, 0xea,
			0x41, 0x41, 0x40, 0xde, 0x5d, 0xae, 0x22, 0x23,
			0xb0, 0x03, 0x61, 0xa3, 0x96, 0x17, 0x7a, 0x9c,
			0xb4, 0x10, 0xff, 0x61, 0xf2, 0x00, 0x15, 0xad
		}
	},
	{
		"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
		{
			0x24, 0x8d, 0x6a, 0x61, 0xd2, 0x06, 0x38, 0xb8,
			0xe5, 0xc0, 0x26, 0x93, 0x0c, 0x3e, 0x60, 0x39,
			0xa3, 0x3c, 0xe4, 0x59, 0x64, 0xff, 0x21, 0x67,
			0xf6, 0xec, 0xed, 0xd4, 0x19, 0xdb, 0x06, 0xc1
		}
	}
};

struct hmac_test {
	u8 key[80];
	size_t key_len;
	u8 data[128];
	size_t data_len;
	u8 hash[32];
} hmac_tests[] = {
	/* draft-ietf-ipsec-ciph-sha-256-01.txt */
	{
		{
			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
			0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
			0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20
		},
		32,
		"abc", 3,
		{
			0xa2, 0x1b, 0x1f, 0x5d, 0x4c, 0xf4, 0xf7, 0x3a,
			0x4d, 0xd9, 0x39, 0x75, 0x0f, 0x7a, 0x06, 0x6a,
			0x7f, 0x98, 0xcc, 0x13, 0x1c, 0xb1, 0x6a, 0x66,
			0x92, 0x75, 0x90, 0x21, 0xcf, 0xab, 0x81, 0x81
		}
	},
	{
		{
			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
			0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
			0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20
		},
		32,
		"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
		56,
		{
			0x10, 0x4f, 0xdc, 0x12, 0x57, 0x32, 0x8f, 0x08,
			0x18, 0x4b, 0xa7, 0x31, 0x31, 0xc5, 0x3c, 0xae,
			0xe6, 0x98, 0xe3, 0x61, 0x19, 0x42, 0x11, 0x49,
			0xea, 0x8c, 0x71, 0x24, 0x56, 0x69, 0x7d, 0x30
		}
	},
	{
		{
			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
			0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
			0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20
		},
		32,
		"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
		"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
		112,
		{
			0x47, 0x03, 0x05, 0xfc, 0x7e, 0x40, 0xfe, 0x34,
			0xd3, 0xee, 0xb3, 0xe7, 0x73, 0xd9, 0x5a, 0xab,
			0x73, 0xac, 0xf0, 0xfd, 0x06, 0x04, 0x47, 0xa5,
			0xeb, 0x45, 0x95, 0xbf, 0x33, 0xa9, 0xd1, 0xa3
		}
	},
	{
		{
			0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
			0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
			0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b,
			0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b, 0x0b
		},
		32,
		"Hi There",
		8,
		{
			0x19, 0x8a, 0x60, 0x7e, 0xb4, 0x4b, 0xfb, 0xc6,
			0x99, 0x03, 0xa0, 0xf1, 0xcf, 0x2b, 0xbd, 0xc5,
			0xba, 0x0a, 0xa3, 0xf3, 0xd9, 0xae, 0x3c, 0x1c,
			0x7a, 0x3b, 0x16, 0x96, 0xa0, 0xb6, 0x8c, 0xf7
		}
	},
	{
		"Jefe",
		4,
		"what do ya want for nothing?",
		28,
		{
			0x5b, 0xdc, 0xc1, 0x46, 0xbf, 0x60, 0x75, 0x4e,
			0x6a, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xc7,
			0x5a, 0x00, 0x3f, 0x08, 0x9d, 0x27, 0x39, 0x83,
			0x9d, 0xec, 0x58, 0xb9, 0x64, 0xec, 0x38, 0x43
		}
	},
	{
		{
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
		},
		32,
		{
			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
			0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd, 0xdd,
			0xdd, 0xdd
		},
		50,
		{
			0xcd, 0xcb, 0x12, 0x20, 0xd1, 0xec, 0xcc, 0xea,
			0x91, 0xe5, 0x3a, 0xba, 0x30, 0x92, 0xf9, 0x62,
			0xe5, 0x49, 0xfe, 0x6c, 0xe9, 0xed, 0x7f, 0xdc,
			0x43, 0x19, 0x1f, 0xbd, 0xe4, 0x5c, 0x30, 0xb0
		}
	},
	{
		{
			0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
			0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
			0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18,
			0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
			0x21, 0x22, 0x23, 0x24, 0x25
		},
		37,
		{
			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
			0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd, 0xcd,
			0xcd, 0xcd
		},
		50,
		{
			0xd4, 0x63, 0x3c, 0x17, 0xf6, 0xfb, 0x8d, 0x74,
			0x4c, 0x66, 0xde, 0xe0, 0xf8, 0xf0, 0x74, 0x55,
			0x6e, 0xc4, 0xaf, 0x55, 0xef, 0x07, 0x99, 0x85,
			0x41, 0x46, 0x8e, 0xb4, 0x9b, 0xd2, 0xe9, 0x17
		}
	},
	{
		{
			0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
			0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
			0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c,
			0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c
		},
		32,
		"Test With Truncation",
		20,
		{
			0x75, 0x46, 0xaf, 0x01, 0x84, 0x1f, 0xc0, 0x9b,
			0x1a, 0xb9, 0xc3, 0x74, 0x9a, 0x5f, 0x1c, 0x17,
			0xd4, 0xf5, 0x89, 0x66, 0x8a, 0x58, 0x7b, 0x27,
			0x00, 0xa9, 0xc9, 0x7c, 0x11, 0x93, 0xcf, 0x42
		}
	},
	{
		{
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
		},
		80,
		"Test Using Larger Than Block-Size Key - Hash Key First",
		54,
		{
			0x69, 0x53, 0x02, 0x5e, 0xd9, 0x6f, 0x0c, 0x09,
			0xf8, 0x0a, 0x96, 0xf7, 0x8e, 0x65, 0x38, 0xdb,
			0xe2, 0xe7, 0xb8, 0x20, 0xe3, 0xdd, 0x97, 0x0e,
			0x7d, 0xdd, 0x39, 0x09, 0x1b, 0x32, 0x35, 0x2f
		}
	},
	{
		{
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa,
			0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa
		},
		80,
		"Test Using Larger Than Block-Size Key and Larger Than One "
		"Block-Size Data",
		73,
		{
			0x63, 0x55, 0xac, 0x22, 0xe8, 0x90, 0xd0, 0xa3,
			0xc8, 0x48, 0x1a, 0x5c, 0xa4, 0x82, 0x5b, 0xc8,
			0x84, 0xd3, 0xe7, 0xa1, 0xff, 0x98, 0xa2, 0xfc,
			0x2a, 0xc7, 0xd8, 0xe0, 0x64, 0xc3, 0xb2, 0xe6
		}
	}
};


int main(int argc, char *argv[])
{

	unsigned int i;
	u8 hash[32];
	const u8 *addr[2];
	size_t len[2];
	int errors = 0;

	for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
		printf("SHA256 test case %d:", i + 1);

		addr[0] = (u8 *) tests[i].data;
		len[0] = strlen(tests[i].data);
		sha256_vector(1, addr, len, hash);
		if (memcmp(hash, tests[i].hash, 32) != 0) {
			printf(" FAIL");
			errors++;
		} else
			printf(" OK");

		if (len[0]) {
			addr[0] = (u8 *) tests[i].data;
			len[0] = 1;
			addr[1] = (u8 *) tests[i].data + 1;
			len[1] = strlen(tests[i].data) - 1;
			sha256_vector(2, addr, len, hash);
			if (memcmp(hash, tests[i].hash, 32) != 0) {
				printf(" FAIL");
				errors++;
			} else
				printf(" OK");
		}

		printf("\n");
	}

	for (i = 0; i < sizeof(hmac_tests) / sizeof(hmac_tests[0]); i++) {
		struct hmac_test *t = &hmac_tests[i];
		printf("HMAC-SHA256 test case %d:", i + 1);

		hmac_sha256(t->key, t->key_len, t->data, t->data_len, hash);
		if (memcmp(hash, t->hash, 32) != 0) {
			printf(" FAIL");
			errors++;
		} else
			printf(" OK");

		addr[0] = t->data;
		len[0] = t->data_len;
		hmac_sha256_vector(t->key, t->key_len, 1, addr, len, hash);
		if (memcmp(hash, t->hash, 32) != 0) {
			printf(" FAIL");
			errors++;
		} else
			printf(" OK");

		if (len[0]) {
			addr[0] = t->data;
			len[0] = 1;
			addr[1] = t->data + 1;
			len[1] = t->data_len - 1;
			hmac_sha256_vector(t->key, t->key_len, 2, addr, len,
					   hash);
			if (memcmp(hash, t->hash, 32) != 0) {
				printf(" FAIL");
				errors++;
			} else
				printf(" OK");
		}

		printf("\n");
	}

	printf("Test IEEE 802.11r KDF\n");
	sha256_prf("abc", 3, "KDF test", "data", 4, hash, sizeof(hash));
	/* TODO: add proper test case for this */

	return errors;
}