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/* 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 cifs_arc4_setkey(struct arc4_ctx *ctx, const u8 *in_key, unsigned int key_len);
void cifs_arc4_crypt(struct arc4_ctx *ctx, u8 *out, const u8 *in, unsigned int len);
#endif /* _CRYPTO_ARC4_H */
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