| Iuliana Prodan | bd30cf5 | 2019-02-08 15:50:08 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* |
| 3 | * Common values for ARC4 Cipher Algorithm |
| 4 | */ |
| 5 | |
| 6 | #ifndef _CRYPTO_ARC4_H |
| 7 | #define _CRYPTO_ARC4_H |
| 8 | |
| Ard Biesheuvel | dc51f25 | 2019-06-12 18:19:53 +0200 | [diff] [blame] | 9 | #include <linux/types.h> |
| 10 | |
| Iuliana Prodan | bd30cf5 | 2019-02-08 15:50:08 +0200 | [diff] [blame] | 11 | #define ARC4_MIN_KEY_SIZE 1 |
| 12 | #define ARC4_MAX_KEY_SIZE 256 |
| 13 | #define ARC4_BLOCK_SIZE 1 |
| 14 | |
| Ard Biesheuvel | dc51f25 | 2019-06-12 18:19:53 +0200 | [diff] [blame] | 15 | struct arc4_ctx { |
| 16 | u32 S[256]; |
| 17 | u32 x, y; |
| 18 | }; |
| 19 | |
| 20 | int arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len); |
| 21 | void arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len); |
| 22 | |
| Iuliana Prodan | bd30cf5 | 2019-02-08 15:50:08 +0200 | [diff] [blame] | 23 | #endif /* _CRYPTO_ARC4_H */ |