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 * Cryptographic API.
 * s390 generic implementation of the SHA Secure Hash Algorithms.
 * Copyright IBM Corp. 2007
 * Author(s): Jan Glauber (jang@de.ibm.com)
 * 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 */
#define SHA_MAX_STATE_SIZE    16

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 */

void s390_sha_update(struct crypto_tfm *tfm, const u8 *data, unsigned int len);
void s390_sha_final(struct crypto_tfm *tfm, u8 *out);


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