1 /* SPDX-License-Identifier: GPL-2.0+ */
5 * s390 generic implementation of the SHA Secure Hash Algorithms.
7 * Copyright IBM Corp. 2007
8 * Author(s): Jan Glauber (jang@de.ibm.com)
10 #ifndef _CRYPTO_ARCH_S390_SHA_H
11 #define _CRYPTO_ARCH_S390_SHA_H
13 #include <linux/crypto.h>
14 #include <crypto/sha.h>
15 #include <crypto/sha3.h>
17 /* must be big enough for the largest SHA variant */
18 #define SHA3_STATE_SIZE 200
19 #define CPACF_MAX_PARMBLOCK_SIZE SHA3_STATE_SIZE
20 #define SHA_MAX_BLOCK_SIZE SHA3_224_BLOCK_SIZE
23 u64 count; /* message length in bytes */
24 u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)];
25 u8 buf[SHA_MAX_BLOCK_SIZE];
26 int func; /* KIMD function to use */
31 int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len);
32 int s390_sha_final(struct shash_desc *desc, u8 *out);