| /* |
| * Cryptographic API. |
| * |
| * s390 generic implementation of the SHA Secure Hash Algorithms. |
| * |
| * Copyright IBM Corp. 2007 |
| * Author(s): Jan Glauber (jang@de.ibm.com) |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the Free |
| * Software Foundation; either version 2 of the License, or (at your option) |
| * any later version. |
| * |
| */ |
| #ifndef _CRYPTO_ARCH_S390_SHA_H |
| #define _CRYPTO_ARCH_S390_SHA_H |
| |
| #include <linux/crypto.h> |
| #include <crypto/sha.h> |
| |
| /* must be big enough for the largest SHA variant */ |
| #define SHA_MAX_STATE_SIZE (SHA512_DIGEST_SIZE / 4) |
| #define SHA_MAX_BLOCK_SIZE SHA512_BLOCK_SIZE |
| |
| struct s390_sha_ctx { |
| u64 count; /* message length in bytes */ |
| u32 state[SHA_MAX_STATE_SIZE]; |
| u8 buf[2 * SHA_MAX_BLOCK_SIZE]; |
| int func; /* KIMD function to use */ |
| }; |
| |
| struct shash_desc; |
| |
| int s390_sha_update(struct shash_desc *desc, const u8 *data, unsigned int len); |
| int s390_sha_final(struct shash_desc *desc, u8 *out); |
| |
| #endif |
