xref: /freebsd/crypto/libecc/include/libecc/hash/bash384.h (revision f0865ec9906d5a18fa2a3b61381f22ce16e606ad)
1 /*
2  *  Copyright (C) 2022 - This file is part of libecc project
3  *
4  *  Authors:
5  *      Ryad BENADJILA <ryadbenadjila@gmail.com>
6  *      Arnaud EBALARD <arnaud.ebalard@ssi.gouv.fr>
7  *
8  *  This software is licensed under a dual BSD and GPL v2 license.
9  *  See LICENSE file at the root folder of the project.
10  */
11 #include <libecc/lib_ecc_config.h>
12 #ifdef WITH_HASH_BASH384
13 
14 #ifndef __BASH384_H__
15 #define __BASH384_H__
16 
17 #include <libecc/words/words.h>
18 #include <libecc/utils/utils.h>
19 #include <libecc/hash/bash.h>
20 
21 #define BASH384_BLOCK_SIZE   96
22 #define BASH384_DIGEST_SIZE  48
23 #define BASH384_DIGEST_SIZE_BITS  384
24 
25 /* Compute max hash digest and block sizes */
26 #ifndef MAX_DIGEST_SIZE
27 #define MAX_DIGEST_SIZE	0
28 #endif
29 #if (MAX_DIGEST_SIZE < BASH384_DIGEST_SIZE)
30 #undef MAX_DIGEST_SIZE
31 #define MAX_DIGEST_SIZE BASH384_DIGEST_SIZE
32 #endif
33 
34 #ifndef MAX_DIGEST_SIZE_BITS
35 #define MAX_DIGEST_SIZE_BITS    0
36 #endif
37 #if (MAX_DIGEST_SIZE_BITS < BASH384_DIGEST_SIZE_BITS)
38 #undef MAX_DIGEST_SIZE_BITS
39 #define MAX_DIGEST_SIZE_BITS BASH384_DIGEST_SIZE_BITS
40 #endif
41 
42 #ifndef MAX_BLOCK_SIZE
43 #define MAX_BLOCK_SIZE  0
44 #endif
45 #if (MAX_BLOCK_SIZE < BASH384_BLOCK_SIZE)
46 #undef MAX_BLOCK_SIZE
47 #define MAX_BLOCK_SIZE BASH384_BLOCK_SIZE
48 #endif
49 
50 #define BASH384_HASH_MAGIC ((word_t)(0x391af28773938752ULL))
51 #define BASH384_HASH_CHECK_INITIALIZED(A, ret, err) \
52         MUST_HAVE((((void *)(A)) != NULL) && ((A)->magic == BASH384_HASH_MAGIC), ret, err)
53 
54 typedef bash_context bash384_context;
55 
56 ATTRIBUTE_WARN_UNUSED_RET int bash384_init(bash384_context *ctx);
57 ATTRIBUTE_WARN_UNUSED_RET int bash384_update(bash384_context *ctx, const u8 *input, u32 ilen);
58 ATTRIBUTE_WARN_UNUSED_RET int bash384_final(bash384_context *ctx, u8 output[BASH384_DIGEST_SIZE]);
59 ATTRIBUTE_WARN_UNUSED_RET int bash384_scattered(const u8 **inputs, const u32 *ilens,
60 		       u8 output[BASH384_DIGEST_SIZE]);
61 ATTRIBUTE_WARN_UNUSED_RET int bash384(const u8 *input, u32 ilen, u8 output[BASH384_DIGEST_SIZE]);
62 
63 #endif /* __BASH384_H__ */
64 #endif /* WITH_HASH_BASH384 */
65