1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * DES & Triple DES EDE Cipher Algorithms. 4 */ 5 6 #ifndef __CRYPTO_DES_H 7 #define __CRYPTO_DES_H 8 9 #define DES_KEY_SIZE 8 10 #define DES_EXPKEY_WORDS 32 11 #define DES_BLOCK_SIZE 8 12 13 #define DES3_EDE_KEY_SIZE (3 * DES_KEY_SIZE) 14 #define DES3_EDE_EXPKEY_WORDS (3 * DES_EXPKEY_WORDS) 15 #define DES3_EDE_BLOCK_SIZE DES_BLOCK_SIZE 16 17 18 extern unsigned long des_ekey(u32 *pe, const u8 *k); 19 20 extern int __des3_ede_setkey(u32 *expkey, u32 *flags, const u8 *key, 21 unsigned int keylen); 22 23 #endif /* __CRYPTO_DES_H */ 24