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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * Common values for ARC4 Cipher Algorithm4 */5 6#ifndef _CRYPTO_ARC4_H7#define _CRYPTO_ARC4_H8 9#include <linux/types.h>10 11#define ARC4_MIN_KEY_SIZE 112#define ARC4_MAX_KEY_SIZE 25613#define ARC4_BLOCK_SIZE 114 15struct arc4_ctx {16 u32 S[256];17 u32 x, y;18};19 20int arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len);21void arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len);22 23#endif /* _CRYPTO_ARC4_H */24