xref: /linux/include/crypto/des.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * DES & Triple DES EDE Cipher Algorithms.
3  */
4 
5 #ifndef __CRYPTO_DES_H
6 #define __CRYPTO_DES_H
7 
8 #define DES_KEY_SIZE		8
9 #define DES_EXPKEY_WORDS	32
10 #define DES_BLOCK_SIZE		8
11 
12 #define DES3_EDE_KEY_SIZE	(3 * DES_KEY_SIZE)
13 #define DES3_EDE_EXPKEY_WORDS	(3 * DES_EXPKEY_WORDS)
14 #define DES3_EDE_BLOCK_SIZE	DES_BLOCK_SIZE
15 
16 
17 extern unsigned long des_ekey(u32 *pe, const u8 *k);
18 
19 extern int __des3_ede_setkey(u32 *expkey, u32 *flags, const u8 *key,
20 			     unsigned int keylen);
21 
22 #endif /* __CRYPTO_DES_H */
23