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 23 struct 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 30 struct shash_desc; 31 32 int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len); 33 int s390_sha_final(struct shash_desc *desc, u8 *out); 34 35 #endif 36