1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _DES_IMPL_H 27 #define _DES_IMPL_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 /* 32 * Common definitions used by DES 33 */ 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #define DES_BLOCK_LEN 8 40 41 #define DES_XOR_BLOCK(src, dst) \ 42 (dst)[0] ^= (src)[0]; \ 43 (dst)[1] ^= (src)[1]; \ 44 (dst)[2] ^= (src)[2]; \ 45 (dst)[3] ^= (src)[3]; \ 46 (dst)[4] ^= (src)[4]; \ 47 (dst)[5] ^= (src)[5]; \ 48 (dst)[6] ^= (src)[6]; \ 49 (dst)[7] ^= (src)[7] 50 51 typedef enum des_strength { 52 DES = 1, 53 DES2, 54 DES3 55 } des_strength_t; 56 57 #define DES_KEYSIZE 8 58 #define DES_MINBITS 64 59 #define DES_MAXBITS 64 60 #define DES_MINBYTES (DES_MINBITS / 8) 61 #define DES_MAXBYTES (DES_MAXBITS / 8) 62 #define DES_IV_LEN 8 63 64 #define DES2_KEYSIZE (2 * DES_KEYSIZE) 65 #define DES2_MINBITS (2 * DES_MINBITS) 66 #define DES2_MAXBITS (2 * DES_MAXBITS) 67 68 #define DES3_KEYSIZE (3 * DES_KEYSIZE) 69 #define DES3_MINBITS (3 * DES_MINBITS) 70 #define DES3_MAXBITS (3 * DES_MAXBITS) 71 #define DES3_MINBYTES (DES3_MINBITS / 8) 72 #define DES3_MAXBYTES (DES3_MAXBITS / 8) 73 74 extern uint64_t des_crypt_impl(uint64_t *, uint64_t, int); 75 extern void des_ks(uint64_t *, uint64_t); 76 extern void des_crunch_block(void *, uint8_t *, uint8_t *, boolean_t); 77 extern void des3_crunch_block(void *, uint8_t *, uint8_t *, boolean_t); 78 extern void des_init_keysched(uint8_t *, des_strength_t, void *); 79 extern void *des_alloc_keysched(size_t *, des_strength_t, int); 80 extern boolean_t des_keycheck(uint8_t *, des_strength_t, uint8_t *); 81 extern void des_parity_fix(uint8_t *, des_strength_t, uint8_t *); 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _DES_IMPL_H */ 88