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71c02863 RS |
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 cifs_arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len); | |
21 | void cifs_arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len); | |
22 | ||
23 | #endif /* _CRYPTO_ARC4_H */ |