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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/evp/m_md5_sha1.c	Lines:	16	22	72.7 %
Date:	2017-11-07	Branches:	6	12	50.0 %


/* $OpenBSD: m_md5_sha1.c,v 1.1 2017/02/28 14:15:37 jsing Exp $ */
/*
 * Copyright (c) 2017 Joel Sing <jsing@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <openssl/evp.h>
#include <openssl/md5.h>
#include <openssl/objects.h>
#include <openssl/sha.h>

struct md5_sha1_ctx {
	MD5_CTX md5;
	SHA_CTX sha1;
};

static int
md5_sha1_init(EVP_MD_CTX *ctx)
{
	struct md5_sha1_ctx *mdctx = ctx->md_data;

	if (!MD5_Init(&mdctx->md5))
		return 0;
	if (!SHA1_Init(&mdctx->sha1))
		return 0;

	return 1;
}

static int
md5_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
	struct md5_sha1_ctx *mdctx = ctx->md_data;

	if (!MD5_Update(&mdctx->md5, data, count))
		return 0;
	if (!SHA1_Update(&mdctx->sha1, data, count))
		return 0;

	return 1;
}

static int
md5_sha1_final(EVP_MD_CTX *ctx, unsigned char *out)
{
	struct md5_sha1_ctx *mdctx = ctx->md_data;

	if (!MD5_Final(out, &mdctx->md5))
		return 0;
	if (!SHA1_Final(out + MD5_DIGEST_LENGTH, &mdctx->sha1))
		return 0;

	return 1;
}

static const EVP_MD md5_sha1_md = {
        .type = NID_md5_sha1,
        .pkey_type = NID_md5_sha1,
        .md_size = MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH,
        .flags = 0,
        .init = md5_sha1_init,
        .update = md5_sha1_update,
        .final = md5_sha1_final,
        .block_size = MD5_CBLOCK, /* MD5_CBLOCK == SHA_CBLOCK */
        .ctx_size = sizeof(EVP_MD *) + sizeof(struct md5_sha1_ctx),
};

const EVP_MD *
EVP_md5_sha1(void)
{
	return &md5_sha1_md;
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: m_md5_sha1.c,v 1.1 2017/02/28 14:15:37 jsing Exp $ */
2			/*
3			* Copyright (c) 2017 Joel Sing <jsing@openbsd.org>
4			*
5			* Permission to use, copy, modify, and distribute this software for any
6			* purpose with or without fee is hereby granted, provided that the above
7			* copyright notice and this permission notice appear in all copies.
8			*
9			* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10			* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11			* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12			* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13			* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14			* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15			* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16			*/
17
18			#include <openssl/evp.h>
19			#include <openssl/md5.h>
20			#include <openssl/objects.h>
21			#include <openssl/sha.h>
22
23			struct md5_sha1_ctx {
24			MD5_CTX md5;
25			SHA_CTX sha1;
26			};
27
28			static int
29			md5_sha1_init(EVP_MD_CTX *ctx)
30			{
31		700	struct md5_sha1_ctx *mdctx = ctx->md_data;
32
33	✗✓	350	if (!MD5_Init(&mdctx->md5))
34			return 0;
35	✗✓	350	if (!SHA1_Init(&mdctx->sha1))
36			return 0;
37
38		350	return 1;
39		350	}
40
41			static int
42			md5_sha1_update(EVP_MD_CTX ctx, const void data, size_t count)
43			{
44		4628	struct md5_sha1_ctx *mdctx = ctx->md_data;
45
46	✗✓	2314	if (!MD5_Update(&mdctx->md5, data, count))
47			return 0;
48	✗✓	2314	if (!SHA1_Update(&mdctx->sha1, data, count))
49			return 0;
50
51		2314	return 1;
52		2314	}
53
54			static int
55			md5_sha1_final(EVP_MD_CTX ctx, unsigned char out)
56			{
57		1716	struct md5_sha1_ctx *mdctx = ctx->md_data;
58
59	✗✓	858	if (!MD5_Final(out, &mdctx->md5))
60			return 0;
61	✗✓	858	if (!SHA1_Final(out + MD5_DIGEST_LENGTH, &mdctx->sha1))
62			return 0;
63
64		858	return 1;
65		858	}
66
67			static const EVP_MD md5_sha1_md = {
68			.type = NID_md5_sha1,
69			.pkey_type = NID_md5_sha1,
70			.md_size = MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH,
71			.flags = 0,
72			.init = md5_sha1_init,
73			.update = md5_sha1_update,
74			.final = md5_sha1_final,
75			.block_size = MD5_CBLOCK, /* MD5_CBLOCK == SHA_CBLOCK */
76			.ctx_size = sizeof(EVP_MD *) + sizeof(struct md5_sha1_ctx),
77			};
78
79			const EVP_MD *
80			EVP_md5_sha1(void)
81			{
82		14644	return &md5_sha1_md;
83			}