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 2009 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 /* 30 * Common definitions used by DES 31 */ 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 #define DES_BLOCK_LEN 8 38 39 #define DES_COPY_BLOCK(src, dst) \ 40 (dst)[0] = (src)[0]; \ 41 (dst)[1] = (src)[1]; \ 42 (dst)[2] = (src)[2]; \ 43 (dst)[3] = (src)[3]; \ 44 (dst)[4] = (src)[4]; \ 45 (dst)[5] = (src)[5]; \ 46 (dst)[6] = (src)[6]; \ 47 (dst)[7] = (src)[7]; 48 49 #define DES_XOR_BLOCK(src, dst) \ 50 (dst)[0] ^= (src)[0]; \ 51 (dst)[1] ^= (src)[1]; \ 52 (dst)[2] ^= (src)[2]; \ 53 (dst)[3] ^= (src)[3]; \ 54 (dst)[4] ^= (src)[4]; \ 55 (dst)[5] ^= (src)[5]; \ 56 (dst)[6] ^= (src)[6]; \ 57 (dst)[7] ^= (src)[7] 58 59 typedef enum des_strength { 60 DES = 1, 61 DES2, 62 DES3 63 } des_strength_t; 64 65 #define DES3_STRENGTH 0x08000000 66 67 #define DES_KEYSIZE 8 68 #define DES_MINBITS 64 69 #define DES_MAXBITS 64 70 #define DES_MINBYTES (DES_MINBITS / 8) 71 #define DES_MAXBYTES (DES_MAXBITS / 8) 72 #define DES_IV_LEN 8 73 74 #define DES2_KEYSIZE (2 * DES_KEYSIZE) 75 #define DES2_MINBITS (2 * DES_MINBITS) 76 #define DES2_MAXBITS (2 * DES_MAXBITS) 77 #define DES2_MINBYTES (DES2_MINBITS / 8) 78 #define DES2_MAXBYTES (DES2_MAXBITS / 8) 79 80 #define DES3_KEYSIZE (3 * DES_KEYSIZE) 81 #define DES3_MINBITS (2 * DES_MINBITS) /* DES3 handles CKK_DES2 keys */ 82 #define DES3_MAXBITS (3 * DES_MAXBITS) 83 #define DES3_MINBYTES (DES3_MINBITS / 8) 84 #define DES3_MAXBYTES (DES3_MAXBITS / 8) 85 86 extern int des_encrypt_contiguous_blocks(void *, char *, size_t, 87 crypto_data_t *); 88 extern int des_decrypt_contiguous_blocks(void *, char *, size_t, 89 crypto_data_t *); 90 extern uint64_t des_crypt_impl(uint64_t *, uint64_t, int); 91 extern void des_ks(uint64_t *, uint64_t); 92 extern int des_crunch_block(const void *, const uint8_t *, uint8_t *, 93 boolean_t); 94 extern int des3_crunch_block(const void *, const uint8_t *, uint8_t *, 95 boolean_t); 96 extern void des_init_keysched(uint8_t *, des_strength_t, void *); 97 extern void *des_alloc_keysched(size_t *, des_strength_t, int); 98 extern boolean_t des_keycheck(uint8_t *, des_strength_t, uint8_t *); 99 extern void des_parity_fix(uint8_t *, des_strength_t, uint8_t *); 100 extern void des_copy_block(uint8_t *, uint8_t *); 101 extern void des_xor_block(uint8_t *, uint8_t *); 102 extern int des_encrypt_block(const void *, const uint8_t *, uint8_t *); 103 extern int des3_encrypt_block(const void *, const uint8_t *, uint8_t *); 104 extern int des_decrypt_block(const void *, const uint8_t *, uint8_t *); 105 extern int des3_decrypt_block(const void *, const uint8_t *, uint8_t *); 106 107 #ifdef __cplusplus 108 } 109 #endif 110 111 #endif /* _DES_IMPL_H */ 112