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* Cryptographic API.
* s390 generic implementation of the SHA Secure Hash Algorithms.
* Copyright IBM Corp. 2007
* Author(s): Jan Glauber (
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
#ifndef _CRYPTO_ARCH_S390_SHA_H
#define _CRYPTO_ARCH_S390_SHA_H
#include <linux/crypto.h>
#include <crypto/sha.h>
/* must be big enough for the largest SHA variant */
struct s390_sha_ctx {
u64 count; /* message length in bytes */
u32 state[SHA_MAX_STATE_SIZE];
u8 buf[2 * SHA_MAX_BLOCK_SIZE];
int func; /* KIMD function to use */
struct shash_desc;
int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len);
int s390_sha_final(struct shash_desc *desc, u8 *out);