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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _DES_IMPL_H 28 #define _DES_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Common definitions used by DES 34 */ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #define DES_BLOCK_LEN 8 41 42 #define DES_XOR_BLOCK(src, dst) \ 43 (dst)[0] ^= (src)[0]; \ 44 (dst)[1] ^= (src)[1]; \ 45 (dst)[2] ^= (src)[2]; \ 46 (dst)[3] ^= (src)[3]; \ 47 (dst)[4] ^= (src)[4]; \ 48 (dst)[5] ^= (src)[5]; \ 49 (dst)[6] ^= (src)[6]; \ 50 (dst)[7] ^= (src)[7] 51 52 typedef enum des_strength { 53 DES = 1, 54 DES2, 55 DES3 56 } des_strength_t; 57 58 #define DES_KEYSIZE 8 59 #define DES_MINBITS 64 60 #define DES_MAXBITS 64 61 #define DES_MINBYTES (DES_MINBITS / 8) 62 #define DES_MAXBYTES (DES_MAXBITS / 8) 63 #define DES_IV_LEN 8 64 65 #define DES2_KEYSIZE (2 * DES_KEYSIZE) 66 #define DES2_MINBITS (2 * DES_MINBITS) 67 #define DES2_MAXBITS (2 * DES_MAXBITS) 68 69 #define DES3_KEYSIZE (3 * DES_KEYSIZE) 70 #define DES3_MINBITS (3 * DES_MINBITS) 71 #define DES3_MAXBITS (3 * DES_MAXBITS) 72 #define DES3_MINBYTES (DES3_MINBITS / 8) 73 #define DES3_MAXBYTES (DES3_MAXBITS / 8) 74 75 extern uint64_t des_crypt_impl(uint64_t *, uint64_t, int); 76 extern void des_ks(uint64_t *, uint64_t); 77 extern void des_crunch_block(void *, uint8_t *, uint8_t *, boolean_t); 78 extern void des3_crunch_block(void *, uint8_t *, uint8_t *, boolean_t); 79 extern void des_init_keysched(uint8_t *, des_strength_t, void *); 80 extern void *des_alloc_keysched(size_t *, des_strength_t, int); 81 extern boolean_t des_keycheck(uint8_t *, des_strength_t, uint8_t *); 82 83 #ifdef __cplusplus 84 } 85 #endif 86 87 #endif /* _DES_IMPL_H */ 88