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[CRYPTO] des: Create header file for common macros

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This patch creates include/crypto/des.h for common macros shared between
DES implementations.

Signed-off-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Evgeniy Polyakov 2007-10-11 19:48:58 +08:00 committed by Herbert Xu
parent f7d0561ea1
commit 16d004a2ed
2 changed files with 20 additions and 7 deletions
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8
crypto/des_generic.c
View file

@ -20,13 +20,7 @@
#include <linux/crypto.h> #include <linux/crypto.h>
#include <linux/types.h> #include <linux/types.h>
#define DES_KEY_SIZE 8 #include <crypto/des.h>
#define DES_EXPKEY_WORDS 32
#define DES_BLOCK_SIZE 8
#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE)
#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS)
#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE
#define ROL(x, r) ((x) = rol32((x), (r))) #define ROL(x, r) ((x) = rol32((x), (r)))
#define ROR(x, r) ((x) = ror32((x), (r))) #define ROR(x, r) ((x) = ror32((x), (r)))

19
include/crypto/des.h Normal file
View file

@ -0,0 +1,19 @@
/*
* DES & Triple DES EDE Cipher Algorithms.
*/
#ifndef __CRYPTO_DES_H
#define __CRYPTO_DES_H
#define DES_KEY_SIZE 8
#define DES_EXPKEY_WORDS 32
#define DES_BLOCK_SIZE 8
#define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE)
#define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS)
#define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE
extern unsigned long des_ekey(u32 *pe, const u8 *k);
#endif /* __CRYPTO_DES_H */