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 * Copyright 2015 by Saso Kiselkov. All rights reserved. 27 */ 28 29 #ifndef _DES_IMPL_H 30 #define _DES_IMPL_H 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_COPY_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 #define DES_XOR_BLOCK(src, dst) \ 53 (dst)[0] ^= (src)[0]; \ 54 (dst)[1] ^= (src)[1]; \ 55 (dst)[2] ^= (src)[2]; \ 56 (dst)[3] ^= (src)[3]; \ 57 (dst)[4] ^= (src)[4]; \ 58 (dst)[5] ^= (src)[5]; \ 59 (dst)[6] ^= (src)[6]; \ 60 (dst)[7] ^= (src)[7] 61 62 typedef enum des_strength { 63 DES = 1, 64 DES2, 65 DES3 66 } des_strength_t; 67 68 #define DES3_STRENGTH 0x08000000 69 70 #define DES_KEYSIZE 8 71 #define DES_MINBITS 64 72 #define DES_MAXBITS 64 73 #define DES_MINBYTES (DES_MINBITS / 8) 74 #define DES_MAXBYTES (DES_MAXBITS / 8) 75 #define DES_IV_LEN 8 76 77 #define DES2_KEYSIZE (2 * DES_KEYSIZE) 78 #define DES2_MINBITS (2 * DES_MINBITS) 79 #define DES2_MAXBITS (2 * DES_MAXBITS) 80 #define DES2_MINBYTES (DES2_MINBITS / 8) 81 #define DES2_MAXBYTES (DES2_MAXBITS / 8) 82 83 #define DES3_KEYSIZE (3 * DES_KEYSIZE) 84 #define DES3_MINBITS (2 * DES_MINBITS) /* DES3 handles CKK_DES2 keys */ 85 #define DES3_MAXBITS (3 * DES_MAXBITS) 86 #define DES3_MINBYTES (DES3_MINBITS / 8) 87 #define DES3_MAXBYTES (DES3_MAXBITS / 8) 88 89 extern int des_encrypt_contiguous_blocks(void *, char *, size_t, 90 crypto_data_t *); 91 extern int des_decrypt_contiguous_blocks(void *, char *, size_t, 92 crypto_data_t *); 93 extern uint64_t des_crypt_impl(uint64_t *, uint64_t, int); 94 extern void des_ks(uint64_t *, uint64_t); 95 extern int des_crunch_block(const void *, const uint8_t *, uint8_t *, 96 boolean_t); 97 extern int des3_crunch_block(const void *, const uint8_t *, uint8_t *, 98 boolean_t); 99 extern void des_init_keysched(uint8_t *, des_strength_t, void *); 100 extern void *des_alloc_keysched(size_t *, des_strength_t, int); 101 extern boolean_t des_keycheck(uint8_t *, des_strength_t, uint8_t *); 102 extern void des_parity_fix(uint8_t *, des_strength_t, uint8_t *); 103 extern void des_copy_block(const uint8_t *, uint8_t *); 104 extern void des_xor_block(const uint8_t *, uint8_t *); 105 extern int des_encrypt_block(const void *, const uint8_t *, uint8_t *); 106 extern int des3_encrypt_block(const void *, const uint8_t *, uint8_t *); 107 extern int des_decrypt_block(const void *, const uint8_t *, uint8_t *); 108 extern int des3_decrypt_block(const void *, const uint8_t *, uint8_t *); 109 110 #ifdef _DES_IMPL 111 112 #ifdef _KERNEL 113 typedef enum des_mech_type { 114 DES_ECB_MECH_INFO_TYPE, /* SUN_CKM_DES_ECB */ 115 DES_CBC_MECH_INFO_TYPE, /* SUN_CKM_DES_CBC */ 116 DES_CFB_MECH_INFO_TYPE, /* SUN_CKM_DES_CFB */ 117 DES3_ECB_MECH_INFO_TYPE, /* SUN_CKM_DES3_ECB */ 118 DES3_CBC_MECH_INFO_TYPE, /* SUN_CKM_DES3_CBC */ 119 DES3_CFB_MECH_INFO_TYPE /* SUN_CKM_DES3_CFB */ 120 } des_mech_type_t; 121 122 #endif /* _KERNEL */ 123 #endif /* _DES_IMPL */ 124 125 #ifdef __cplusplus 126 } 127 #endif 128 129 #endif /* _DES_IMPL_H */