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1 #ifndef _CRYPTO_CAST6_H
2 #define _CRYPTO_CAST6_H
3 
4 #include <linux/types.h>
5 #include <linux/crypto.h>
6 #include <crypto/cast_common.h>
7 
8 #define CAST6_BLOCK_SIZE 16
9 #define CAST6_MIN_KEY_SIZE 16
10 #define CAST6_MAX_KEY_SIZE 32
11 
12 struct cast6_ctx {
13 	u32 Km[12][4];
14 	u8 Kr[12][4];
15 };
16 
17 int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key,
18 		   unsigned int keylen, u32 *flags);
19 int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
20 
21 void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
22 void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
23 
24 #endif
25