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/sha.h> 15#include <crypto/sha3.h> 16 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 21 22struct s390_sha_ctx { 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 */ 27}; 28 29struct shash_desc; 30 31int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len); 32int s390_sha_final(struct shash_desc *desc, u8 *out); 33 34#endif 35