xref: /openbmc/linux/include/crypto/serpent.h (revision bc5aa3a0)
1 /*
2  * Common values for serpent algorithms
3  */
4 
5 #ifndef _CRYPTO_SERPENT_H
6 #define _CRYPTO_SERPENT_H
7 
8 #include <linux/types.h>
9 #include <linux/crypto.h>
10 
11 #define SERPENT_MIN_KEY_SIZE		  0
12 #define SERPENT_MAX_KEY_SIZE		 32
13 #define SERPENT_EXPKEY_WORDS		132
14 #define SERPENT_BLOCK_SIZE		 16
15 
16 struct serpent_ctx {
17 	u32 expkey[SERPENT_EXPKEY_WORDS];
18 };
19 
20 int __serpent_setkey(struct serpent_ctx *ctx, const u8 *key,
21 		     unsigned int keylen);
22 int serpent_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen);
23 
24 void __serpent_encrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
25 void __serpent_decrypt(struct serpent_ctx *ctx, u8 *dst, const u8 *src);
26 
27 #endif
28