/* SPDX-License-Identifier: GPL-2.0+ */ /* * Common values for ARC4 Cipher Algorithm */ #ifndef _CRYPTO_ARC4_H #define _CRYPTO_ARC4_H #include <linux/types.h> #define ARC4_MIN_KEY_SIZE 1 #define ARC4_MAX_KEY_SIZE 256 #define ARC4_BLOCK_SIZE 1 struct arc4_ctx { u32 S[256]; u32 x, y; }; int arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len); void arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len); #endif /* _CRYPTO_ARC4_H */