162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0+ */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Cryptographic API. 462306a36Sopenharmony_ci * 562306a36Sopenharmony_ci * s390 generic implementation of the SHA Secure Hash Algorithms. 662306a36Sopenharmony_ci * 762306a36Sopenharmony_ci * Copyright IBM Corp. 2007 862306a36Sopenharmony_ci * Author(s): Jan Glauber (jang@de.ibm.com) 962306a36Sopenharmony_ci */ 1062306a36Sopenharmony_ci#ifndef _CRYPTO_ARCH_S390_SHA_H 1162306a36Sopenharmony_ci#define _CRYPTO_ARCH_S390_SHA_H 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci#include <linux/crypto.h> 1462306a36Sopenharmony_ci#include <crypto/sha1.h> 1562306a36Sopenharmony_ci#include <crypto/sha2.h> 1662306a36Sopenharmony_ci#include <crypto/sha3.h> 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ci/* must be big enough for the largest SHA variant */ 1962306a36Sopenharmony_ci#define SHA3_STATE_SIZE 200 2062306a36Sopenharmony_ci#define CPACF_MAX_PARMBLOCK_SIZE SHA3_STATE_SIZE 2162306a36Sopenharmony_ci#define SHA_MAX_BLOCK_SIZE SHA3_224_BLOCK_SIZE 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_cistruct s390_sha_ctx { 2462306a36Sopenharmony_ci u64 count; /* message length in bytes */ 2562306a36Sopenharmony_ci u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)]; 2662306a36Sopenharmony_ci u8 buf[SHA_MAX_BLOCK_SIZE]; 2762306a36Sopenharmony_ci int func; /* KIMD function to use */ 2862306a36Sopenharmony_ci}; 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_cistruct shash_desc; 3162306a36Sopenharmony_ci 3262306a36Sopenharmony_ciint s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len); 3362306a36Sopenharmony_ciint s390_sha_final(struct shash_desc *desc, u8 *out); 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#endif 36