/*	$OpenBSD: sha1test.c,v 1.6 2021/12/29 22:54:41 tb Exp $	*/
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young (eay@cryptsoft.com)"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.]
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#include <openssl/evp.h>
#include <openssl/sha.h>

static char *test[] = {
	"abc",
	"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
	NULL,
};

static char *ret[] = {
	"a9993e364706816aba3e25717850c26c9cd0d89d",
	"84983e441c3bd26ebaae4aa1f95129e5e54670f1",
};
static char *bigret =
    "34aa973cd4c4daa4f61eeb2bdbad27316534016f";

static char *pt(unsigned char *md);
int
main(int argc, char *argv[])
{
	int i, err = 0;
	char **P, **R;
	static unsigned char buf[1000];
	char *p, *r;
	EVP_MD_CTX *c;
	unsigned char md[SHA_DIGEST_LENGTH];

	if ((c = EVP_MD_CTX_new()) == NULL) {
		printf("EVP_MD_CTX_new() failed\n");
		return 1;
	}
	P = test;
	R = ret;
	i = 1;
	while (*P != NULL) {
		if (!EVP_Digest(*P, strlen((char *)*P), md, NULL, EVP_sha1(),
		    NULL)) {
			printf("EVP_Digest failed\n");
			goto err;
		}
		p = pt(md);
		if (strcmp(p, (char *)*R) != 0) {
			printf("error calculating SHA1 on '%s'\n", *P);
			printf("got %s instead of %s\n", p, *R);
			err++;
		} else
			printf("test %d ok\n", i);
		i++;
		R++;
		P++;
	}

	memset(buf, 'a', 1000);
	if (!EVP_DigestInit_ex(c, EVP_sha1(), NULL)) {
		printf("EVP_DigestInit_ex failed\n");
		goto err;
	}
	for (i = 0; i < 1000; i++) {
		if (!EVP_DigestUpdate(c, buf, 1000)) {
			printf("EVP_DigestUpdate failed\n");
			goto err;
		}
	}
	if (!EVP_DigestFinal_ex(c, md, NULL)) {
		printf("EVP_DigestFinal_ex failed\n");
		goto err;
	}
	p = pt(md);

	r = bigret;
	if (strcmp(p, r) != 0) {
		printf("error calculating SHA1 on 'a' * 1000\n");
		printf("got %s instead of %s\n", p, r);
		err++;
	} else
		printf("test 3 ok\n");

	EVP_MD_CTX_free(c);
	exit(err);

 err:
	EVP_MD_CTX_free(c);
	exit(1);
}

static char *
pt(unsigned char *md)
{
	int i;
	static char buf[80];

	for (i = 0; i < SHA_DIGEST_LENGTH; i++)
		snprintf(buf + i*2, sizeof(buf) - i*2, "%02x", md[i]);
	return (buf);
}
