4 * s390 generic implementation of the SHA Secure Hash Algorithms.
6 * Copyright IBM Corp. 2007
7 * Author(s): Jan Glauber (jang@de.ibm.com)
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
15 #ifndef _CRYPTO_ARCH_S390_SHA_H
16 #define _CRYPTO_ARCH_S390_SHA_H
18 #include <linux/crypto.h>
19 #include <crypto/sha.h>
21 /* must be big enough for the largest SHA variant */
22 #define SHA_MAX_STATE_SIZE 16
23 #define SHA_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE
26 u64 count; /* message length in bytes */
27 u32 state[SHA_MAX_STATE_SIZE];
28 u8 buf[2 * SHA_MAX_BLOCK_SIZE];
29 int func; /* KIMD function to use */
32 void s390_sha_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len);
33 void s390_sha_final(struct crypto_tfm *tfm, u8 *out);