[linux-block.git] / include / crypto / arc4.h

/* 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 */
Commit	Line	Data
bd30cf53 IP	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
dc51f257 AB	9	#include <linux/types.h>
dc51f257 AB	10
bd30cf53 IP	11	#define ARC4_MIN_KEY_SIZE 1
	12	#define ARC4_MAX_KEY_SIZE 256
	13	#define ARC4_BLOCK_SIZE 1
	14
dc51f257 AB	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
bd30cf53	23	#endif /* _CRYPTO_ARC4_H */