xref: /openbmc/linux/include/crypto/cast6.h (revision 2b49b906)
12b49b906SJohannes Goetzfried #ifndef _CRYPTO_CAST6_H
22b49b906SJohannes Goetzfried #define _CRYPTO_CAST6_H
32b49b906SJohannes Goetzfried 
42b49b906SJohannes Goetzfried #include <linux/types.h>
52b49b906SJohannes Goetzfried #include <linux/crypto.h>
62b49b906SJohannes Goetzfried 
72b49b906SJohannes Goetzfried #define CAST6_BLOCK_SIZE 16
82b49b906SJohannes Goetzfried #define CAST6_MIN_KEY_SIZE 16
92b49b906SJohannes Goetzfried #define CAST6_MAX_KEY_SIZE 32
102b49b906SJohannes Goetzfried 
112b49b906SJohannes Goetzfried struct cast6_ctx {
122b49b906SJohannes Goetzfried 	u32 Km[12][4];
132b49b906SJohannes Goetzfried 	u8 Kr[12][4];
142b49b906SJohannes Goetzfried };
152b49b906SJohannes Goetzfried 
162b49b906SJohannes Goetzfried int __cast6_setkey(struct cast6_ctx *ctx, const u8 *key,
172b49b906SJohannes Goetzfried 		   unsigned int keylen, u32 *flags);
182b49b906SJohannes Goetzfried int cast6_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
192b49b906SJohannes Goetzfried 
202b49b906SJohannes Goetzfried void __cast6_encrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
212b49b906SJohannes Goetzfried void __cast6_decrypt(struct cast6_ctx *ctx, u8 *dst, const u8 *src);
222b49b906SJohannes Goetzfried 
232b49b906SJohannes Goetzfried #endif
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