#ifndef _CRYPTO_CAST5_H
#define _CRYPTO_CAST5_H

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

#define CAST5_BLOCK_SIZE 8
#define CAST5_MIN_KEY_SIZE 5
#define CAST5_MAX_KEY_SIZE 16

struct cast5_ctx {
	u32 Km[16];
	u8 Kr[16];
	int rr;	/* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
};

int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);

void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);

#endif

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<tr><th>author</th><td>Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</td><td class='right'>2016-04-06 10:19:58 -0700</td></tr>
<tr><th>committer</th><td>Jiri Kosina &lt;jkosina@suse.cz&gt;</td><td class='right'>2016-04-07 15:45:09 +0200</td></tr>
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<div class='commit-subject'>HID: simplify implement() a bit</div><div class='commit-msg'>The 'size' variable is not really needed, and we can also shift constant
in the loop body when masking off existing bits.

Also we do not have to use 64 bit calculations if we take an extra
branch.

[jkosina@suse.cz: fix a small error in changelog]
Suggested-by: Doug Anderson &lt;dianders@chromium.org&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;
Reviewed-by: Douglas Anderson &lt;dianders@chromium.org&gt;
Signed-off-by: Jiri Kosina &lt;jkosina@suse.cz&gt;
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