sha224.h
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1 /*-
2  * Copyright 2005 Colin Percival
3  * Copyright 2013 Christian Mehlis & René Kijewski
4  * Copyright 2016 Martin Landsmann <martin.landsmann@haw-hamburg.de>
5  * Copyright 2016 OTA keys S.A.
6  * Copyright 2020 HAW Hamburg
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  * notice, this list of conditions and the following disclaimer in the
16  * documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD: src/lib/libmd/sha256.h,v 1.1.2.1 2005/06/24 13:32:25 cperciva Exp $
31  */
32 
33 
50 #ifndef HASHES_SHA224_H
51 #define HASHES_SHA224_H
52 
53 #include <inttypes.h>
54 #include <stddef.h>
55 
56 #include "hashes/sha2xx_common.h"
57 
58 #ifdef __cplusplus
59 extern "C" {
60 #endif
61 
65 #define SHA224_DIGEST_LENGTH (28)
66 
70 #define SHA224_INTERNAL_BLOCK_SIZE (64)
71 
75 typedef sha2xx_context_t sha224_context_t;
76 
82 void sha224_init(sha224_context_t *ctx);
83 
91 static inline void sha224_update(sha224_context_t *ctx, const void *data, size_t len)
92 {
93  sha2xx_update(ctx, data, len);
94 }
95 
103 static inline void sha224_final(sha224_context_t *ctx, void *digest)
104 {
105  sha2xx_final(ctx, digest, SHA224_DIGEST_LENGTH);
106 }
107 
118 void *sha224(const void *data, size_t len, void *digest);
119 
120 #ifdef __cplusplus
121 }
122 #endif
123 
125 #endif /* HASHES_SHA224_H */
sha224_context_t
sha2xx_context_t sha224_context_t
Context for cipher operations based on sha224.
Definition: sha224.h:75
sha224_final
static void sha224_final(sha224_context_t *ctx, void *digest)
SHA-224 finalization.
Definition: sha224.h:103
sha2xx_common.h
Common definitions for the SHA-224/256 hash functions.
SHA224_DIGEST_LENGTH
#define SHA224_DIGEST_LENGTH
Length of SHA224 digests in bytes.
Definition: sha224.h:65
sha224
void * sha224(const void *data, size_t len, void *digest)
A wrapper function to simplify the generation of a hash, this is useful for generating sha224 for one...
sha2xx_update
void sha2xx_update(sha2xx_context_t *ctx, const void *data, size_t len)
Add bytes into the hash.
sha2xx_final
void sha2xx_final(sha2xx_context_t *ctx, void *digest, size_t dig_len)
SHA-2XX finalization.
sha224_init
void sha224_init(sha224_context_t *ctx)
SHA-224 initialization.
sha224_update
static void sha224_update(sha224_context_t *ctx, const void *data, size_t len)
Add bytes into the hash.
Definition: sha224.h:91
inttypes.h
Adds include for missing inttype definitions.
sha2xx_context_t
Structure to hold the SHA-2XX context.
Definition: sha2xx_common.h:63