1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Common values for SHA-3 algorithms
4  */
5 #ifndef __CRYPTO_SHA3_H__
6 #define __CRYPTO_SHA3_H__
7 
8 #define SHA3_224_DIGEST_SIZE	(224 / 8)
9 #define SHA3_224_BLOCK_SIZE	(200 - 2 * SHA3_224_DIGEST_SIZE)
10 
11 #define SHA3_256_DIGEST_SIZE	(256 / 8)
12 #define SHA3_256_BLOCK_SIZE	(200 - 2 * SHA3_256_DIGEST_SIZE)
13 
14 #define SHA3_384_DIGEST_SIZE	(384 / 8)
15 #define SHA3_384_BLOCK_SIZE	(200 - 2 * SHA3_384_DIGEST_SIZE)
16 
17 #define SHA3_512_DIGEST_SIZE	(512 / 8)
18 #define SHA3_512_BLOCK_SIZE	(200 - 2 * SHA3_512_DIGEST_SIZE)
19 
20 struct sha3_state {
21 	u64		st[25];
22 	unsigned int	rsiz;
23 	unsigned int	rsizw;
24 
25 	unsigned int	partial;
26 	u8		buf[SHA3_224_BLOCK_SIZE];
27 };
28 
29 int crypto_sha3_init(struct shash_desc *desc);
30 int crypto_sha3_update(struct shash_desc *desc, const u8 *data,
31 		       unsigned int len);
32 int crypto_sha3_final(struct shash_desc *desc, u8 *out);
33 
34 #endif
35