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 _DES_IMPL
108
109 #ifdef _KERNEL
110 typedef enum des_mech_type {
111 DES_ECB_MECH_INFO_TYPE, /* SUN_CKM_DES_ECB */
112 DES_CBC_MECH_INFO_TYPE, /* SUN_CKM_DES_CBC */
113 DES_CFB_MECH_INFO_TYPE, /* SUN_CKM_DES_CFB */
114 DES3_ECB_MECH_INFO_TYPE, /* SUN_CKM_DES3_ECB */
115 DES3_CBC_MECH_INFO_TYPE, /* SUN_CKM_DES3_CBC */
116 DES3_CFB_MECH_INFO_TYPE /* SUN_CKM_DES3_CFB */
117 } des_mech_type_t;
118
119 #endif /* _KERNEL */
120 #endif /* _DES_IMPL */
121
122 #ifdef __cplusplus
123 }
124 #endif
125
126 #endif /* _DES_IMPL_H */