18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0+ */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * Cryptographic API. 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * s390 generic implementation of the SHA Secure Hash Algorithms. 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * Copyright IBM Corp. 2007 88c2ecf20Sopenharmony_ci * Author(s): Jan Glauber (jang@de.ibm.com) 98c2ecf20Sopenharmony_ci */ 108c2ecf20Sopenharmony_ci#ifndef _CRYPTO_ARCH_S390_SHA_H 118c2ecf20Sopenharmony_ci#define _CRYPTO_ARCH_S390_SHA_H 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci#include <linux/crypto.h> 148c2ecf20Sopenharmony_ci#include <crypto/sha.h> 158c2ecf20Sopenharmony_ci#include <crypto/sha3.h> 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci/* must be big enough for the largest SHA variant */ 188c2ecf20Sopenharmony_ci#define SHA3_STATE_SIZE 200 198c2ecf20Sopenharmony_ci#define CPACF_MAX_PARMBLOCK_SIZE SHA3_STATE_SIZE 208c2ecf20Sopenharmony_ci#define SHA_MAX_BLOCK_SIZE SHA3_224_BLOCK_SIZE 218c2ecf20Sopenharmony_ci 228c2ecf20Sopenharmony_cistruct s390_sha_ctx { 238c2ecf20Sopenharmony_ci u64 count; /* message length in bytes */ 248c2ecf20Sopenharmony_ci u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)]; 258c2ecf20Sopenharmony_ci u8 buf[SHA_MAX_BLOCK_SIZE]; 268c2ecf20Sopenharmony_ci int func; /* KIMD function to use */ 278c2ecf20Sopenharmony_ci}; 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_cistruct shash_desc; 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ciint s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len); 328c2ecf20Sopenharmony_ciint s390_sha_final(struct shash_desc *desc, u8 *out); 338c2ecf20Sopenharmony_ci 348c2ecf20Sopenharmony_ci#endif 35