Greg Kroah-Hartman | 20a884f | 2017-11-24 15:00:34 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
Jan Glauber | 604973f | 2008-03-06 19:50:20 +0800 | [diff] [blame] | 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) |
Jan Glauber | 604973f | 2008-03-06 19:50:20 +0800 | [diff] [blame] | 9 | */ |
| 10 | #ifndef _CRYPTO_ARCH_S390_SHA_H |
| 11 | #define _CRYPTO_ARCH_S390_SHA_H |
| 12 | |
| 13 | #include <linux/crypto.h> |
Eric Biggers | a24d22b | 2020-11-12 21:20:21 -0800 | [diff] [blame] | 14 | #include <crypto/sha1.h> |
| 15 | #include <crypto/sha2.h> |
Joerg Schmidbauer | 3c2eb6b | 2019-08-14 14:56:54 +0200 | [diff] [blame] | 16 | #include <crypto/sha3.h> |
Jan Glauber | 604973f | 2008-03-06 19:50:20 +0800 | [diff] [blame] | 17 | |
| 18 | /* must be big enough for the largest SHA variant */ |
Joerg Schmidbauer | 3c2eb6b | 2019-08-14 14:56:54 +0200 | [diff] [blame] | 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 |
Jan Glauber | 604973f | 2008-03-06 19:50:20 +0800 | [diff] [blame] | 22 | |
| 23 | struct s390_sha_ctx { |
Joerg Schmidbauer | 3c2eb6b | 2019-08-14 14:56:54 +0200 | [diff] [blame] | 24 | u64 count; /* message length in bytes */ |
| 25 | u32 state[CPACF_MAX_PARMBLOCK_SIZE / sizeof(u32)]; |
| 26 | u8 buf[SHA_MAX_BLOCK_SIZE]; |
Jan Glauber | 604973f | 2008-03-06 19:50:20 +0800 | [diff] [blame] | 27 | int func; /* KIMD function to use */ |
| 28 | }; |
| 29 | |
Herbert Xu | 563f346 | 2009-01-18 20:33:33 +1100 | [diff] [blame] | 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); |
Jan Glauber | 604973f | 2008-03-06 19:50:20 +0800 | [diff] [blame] | 34 | |
| 35 | #endif |