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File: [Development] / linux-2.6-xfs / include / crypto / aes.h (download)

Revision 1.2, Mon Aug 4 17:03:13 2008 UTC (9 years, 2 months ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD
Changes since 1.1: +6 -2 lines 

Merge up to 2.6.26
Merge of 2.6.x-xfs-melb:linux:31804b by kenmcd.

/*
 * Common values for AES algorithms
 */

#ifndef _CRYPTO_AES_H
#define _CRYPTO_AES_H

#include <linux/types.h>
#include <linux/crypto.h>

#define AES_MIN_KEY_SIZE	16
#define AES_MAX_KEY_SIZE	32
#define AES_KEYSIZE_128		16
#define AES_KEYSIZE_192		24
#define AES_KEYSIZE_256		32
#define AES_BLOCK_SIZE		16
#define AES_MAX_KEYLENGTH	(15 * 16)
#define AES_MAX_KEYLENGTH_U32	(AES_MAX_KEYLENGTH / sizeof(u32))

struct crypto_aes_ctx {
	u32 key_length;
	u32 key_enc[AES_MAX_KEYLENGTH_U32];
	u32 key_dec[AES_MAX_KEYLENGTH_U32];
};

extern u32 crypto_ft_tab[4][256];
extern u32 crypto_fl_tab[4][256];
extern u32 crypto_it_tab[4][256];
extern u32 crypto_il_tab[4][256];

int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
		unsigned int key_len);
int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
		unsigned int key_len);
#endif