25 lines
590 B
C
25 lines
590 B
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _CRYPTO_CAST5_H
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#define _CRYPTO_CAST5_H
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#include <linux/types.h>
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#include <linux/crypto.h>
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#include <crypto/cast_common.h>
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#define CAST5_BLOCK_SIZE 8
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#define CAST5_MIN_KEY_SIZE 5
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#define CAST5_MAX_KEY_SIZE 16
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struct cast5_ctx {
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u32 Km[16];
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u8 Kr[16];
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int rr; /* rr ? rounds = 12 : rounds = 16; (rfc 2144) */
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};
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int cast5_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
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void __cast5_encrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
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void __cast5_decrypt(struct cast5_ctx *ctx, u8 *dst, const u8 *src);
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#endif
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