| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|
| 2 | /* |
|---|
| 3 | * Common values for SHA-1 algorithms |
|---|
| 4 | */ |
|---|
| 5 | |
|---|
| 6 | #ifndef _CRYPTO_SHA1_H |
|---|
| 7 | #define _CRYPTO_SHA1_H |
|---|
| 8 | |
|---|
| 9 | #include <linux/types.h> |
|---|
| 10 | |
|---|
| 11 | #define SHA1_DIGEST_SIZE 20 |
|---|
| 12 | #define SHA1_BLOCK_SIZE 64 |
|---|
| 13 | #define SHA1_STATE_SIZE offsetof(struct sha1_state, buffer) |
|---|
| 14 | |
|---|
| 15 | #define SHA1_H0 0x67452301UL |
|---|
| 16 | #define SHA1_H1 0xefcdab89UL |
|---|
| 17 | #define SHA1_H2 0x98badcfeUL |
|---|
| 18 | #define SHA1_H3 0x10325476UL |
|---|
| 19 | #define SHA1_H4 0xc3d2e1f0UL |
|---|
| 20 | |
|---|
| 21 | extern const u8 sha1_zero_message_hash[SHA1_DIGEST_SIZE]; |
|---|
| 22 | |
|---|
| 23 | struct sha1_state { |
|---|
| 24 | u32 state[SHA1_DIGEST_SIZE / 4]; |
|---|
| 25 | u64 count; |
|---|
| 26 | u8 buffer[SHA1_BLOCK_SIZE]; |
|---|
| 27 | }; |
|---|
| 28 | |
|---|
| 29 | /* |
|---|
| 30 | * An implementation of SHA-1's compression function. Don't use in new code! |
|---|
| 31 | * You shouldn't be using SHA-1, and even if you *have* to use SHA-1, this isn't |
|---|
| 32 | * the correct way to hash something with SHA-1 (use crypto_shash instead). |
|---|
| 33 | */ |
|---|
| 34 | #define SHA1_DIGEST_WORDS (SHA1_DIGEST_SIZE / 4) |
|---|
| 35 | #define SHA1_WORKSPACE_WORDS 16 |
|---|
| 36 | void sha1_init(__u32 *buf); |
|---|
| 37 | void sha1_transform(__u32 *digest, const char *data, __u32 *W); |
|---|
| 38 | |
|---|
| 39 | #endif /* _CRYPTO_SHA1_H */ |
|---|
| 40 | |
|---|
