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 | |
9 | #include <linux/types.h> |
10 | |
11 | #define ARC4_MIN_KEY_SIZE 1 |
12 | #define ARC4_MAX_KEY_SIZE 256 |
13 | #define ARC4_BLOCK_SIZE 1 |
14 | |
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 | |
23 | #endif /* _CRYPTO_ARC4_H */ |
24 | |