cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sha.h (912B)


      1/* SPDX-License-Identifier: GPL-2.0+ */
      2/*
      3 * Cryptographic API.
      4 *
      5 * s390 generic implementation of the SHA Secure Hash Algorithms.
      6 *
      7 * Copyright IBM Corp. 2007
      8 * Author(s): Jan Glauber (jang@de.ibm.com)
      9 */
     10#ifndef _CRYPTO_ARCH_S390_SHA_H
     11#define _CRYPTO_ARCH_S390_SHA_H
     12
     13#include <linux/crypto.h>
     14#include <crypto/sha1.h>
     15#include <crypto/sha2.h>
     16#include <crypto/sha3.h>
     17
     18/* must be big enough for the largest SHA variant */
     19#define SHA3_STATE_SIZE			200
     20#define CPACF_MAX_PARMBLOCK_SIZE	SHA3_STATE_SIZE
     21#define SHA_MAX_BLOCK_SIZE		SHA3_224_BLOCK_SIZE
     22
     23struct s390_sha_ctx {
     24	u64 count;		/* message length in bytes */
     25	u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)];
     26	u8 buf[SHA_MAX_BLOCK_SIZE];
     27	int func;		/* KIMD function to use */
     28};
     29
     30struct shash_desc;
     31
     32int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len);
     33int s390_sha_final(struct shash_desc *desc, u8 *out);
     34
     35#endif