1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
|
/*
* Portions Copyright (C) 2004-2008, 2010 Internet Systems Consortium, Inc. ("ISC")
* Portions Copyright (C) 2000-2002 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE
* FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Portions Copyright (C) 1995-2000 by Network Associates, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NETWORK ASSOCIATES DISCLAIMS
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE
* FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: dst_internal.h,v 1.11.120.3 2010-12-09 01:12:55 marka Exp $ */
#ifndef DST_DST_INTERNAL_H
#define DST_DST_INTERNAL_H 1
#include <isc/lang.h>
#include <isc/buffer.h>
#include <isc/int.h>
#include <isc/magic.h>
#include <isc/region.h>
#include <isc/types.h>
#include <isc/md5.h>
#include <isc/refcount.h>
#include <isc/sha1.h>
#include <isc/sha2.h>
#include <isc/hmacmd5.h>
#include <isc/hmacsha.h>
#include <dst/dst.h>
#ifdef OPENSSL
#include <openssl/dh.h>
#include <openssl/dsa.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/rsa.h>
#endif
ISC_LANG_BEGINDECLS
#define KEY_MAGIC ISC_MAGIC('D','S','T','K')
#define CTX_MAGIC ISC_MAGIC('D','S','T','C')
#define VALID_KEY(x) ISC_MAGIC_VALID(x, KEY_MAGIC)
#define VALID_CTX(x) ISC_MAGIC_VALID(x, CTX_MAGIC)
extern isc_mem_t *dst__memory_pool;
/***
*** Types
***/
typedef struct dst_func dst_func_t;
typedef struct dst_hmacmd5_key dst_hmacmd5_key_t;
typedef struct dst_hmacsha1_key dst_hmacsha1_key_t;
typedef struct dst_hmacsha224_key dst_hmacsha224_key_t;
typedef struct dst_hmacsha256_key dst_hmacsha256_key_t;
typedef struct dst_hmacsha384_key dst_hmacsha384_key_t;
typedef struct dst_hmacsha512_key dst_hmacsha512_key_t;
/*% DST Key Structure */
struct dst_key {
unsigned int magic;
isc_refcount_t refs;
dns_name_t * key_name; /*%< name of the key */
unsigned int key_size; /*%< size of the key in bits */
unsigned int key_proto; /*%< protocols this key is used for */
unsigned int key_alg; /*%< algorithm of the key */
isc_uint32_t key_flags; /*%< flags of the public key */
isc_uint16_t key_id; /*%< identifier of the key */
isc_uint16_t key_bits; /*%< hmac digest bits */
dns_rdataclass_t key_class; /*%< class of the key record */
isc_mem_t *mctx; /*%< memory context */
char *engine; /*%< engine name (HSM) */
char *label; /*%< engine label (HSM) */
union {
void *generic;
gss_ctx_id_t gssctx;
#ifdef OPENSSL
#if !defined(USE_EVP) || !USE_EVP
RSA *rsa;
#endif
DSA *dsa;
DH *dh;
EVP_PKEY *pkey;
#endif
dst_hmacmd5_key_t *hmacmd5;
dst_hmacsha1_key_t *hmacsha1;
dst_hmacsha224_key_t *hmacsha224;
dst_hmacsha256_key_t *hmacsha256;
dst_hmacsha384_key_t *hmacsha384;
dst_hmacsha512_key_t *hmacsha512;
} keydata; /*%< pointer to key in crypto pkg fmt */
dst_func_t * func; /*%< crypto package specific functions */
};
struct dst_context {
unsigned int magic;
dst_key_t *key;
isc_mem_t *mctx;
union {
void *generic;
dst_gssapi_signverifyctx_t *gssctx;
isc_md5_t *md5ctx;
isc_sha1_t *sha1ctx;
isc_sha256_t *sha256ctx;
isc_sha512_t *sha512ctx;
isc_hmacmd5_t *hmacmd5ctx;
isc_hmacsha1_t *hmacsha1ctx;
isc_hmacsha224_t *hmacsha224ctx;
isc_hmacsha256_t *hmacsha256ctx;
isc_hmacsha384_t *hmacsha384ctx;
isc_hmacsha512_t *hmacsha512ctx;
#ifdef OPENSSL
EVP_MD_CTX *evp_md_ctx;
#endif
} ctxdata;
};
struct dst_func {
/*
* Context functions
*/
isc_result_t (*createctx)(dst_key_t *key, dst_context_t *dctx);
void (*destroyctx)(dst_context_t *dctx);
isc_result_t (*adddata)(dst_context_t *dctx, const isc_region_t *data);
/*
* Key operations
*/
isc_result_t (*sign)(dst_context_t *dctx, isc_buffer_t *sig);
isc_result_t (*verify)(dst_context_t *dctx, const isc_region_t *sig);
isc_result_t (*computesecret)(const dst_key_t *pub,
const dst_key_t *priv,
isc_buffer_t *secret);
isc_boolean_t (*compare)(const dst_key_t *key1, const dst_key_t *key2);
isc_boolean_t (*paramcompare)(const dst_key_t *key1,
const dst_key_t *key2);
isc_result_t (*generate)(dst_key_t *key, int parms);
isc_boolean_t (*isprivate)(const dst_key_t *key);
void (*destroy)(dst_key_t *key);
/* conversion functions */
isc_result_t (*todns)(const dst_key_t *key, isc_buffer_t *data);
isc_result_t (*fromdns)(dst_key_t *key, isc_buffer_t *data);
isc_result_t (*tofile)(const dst_key_t *key, const char *directory);
isc_result_t (*parse)(dst_key_t *key, isc_lex_t *lexer);
/* cleanup */
void (*cleanup)(void);
isc_result_t (*fromlabel)(dst_key_t *key, const char *engine,
const char *label, const char *pin);
};
/*%
* Initializers
*/
isc_result_t dst__openssl_init(void);
isc_result_t dst__hmacmd5_init(struct dst_func **funcp);
isc_result_t dst__hmacsha1_init(struct dst_func **funcp);
isc_result_t dst__hmacsha224_init(struct dst_func **funcp);
isc_result_t dst__hmacsha256_init(struct dst_func **funcp);
isc_result_t dst__hmacsha384_init(struct dst_func **funcp);
isc_result_t dst__hmacsha512_init(struct dst_func **funcp);
isc_result_t dst__opensslrsa_init(struct dst_func **funcp,
unsigned char algorithm);
isc_result_t dst__openssldsa_init(struct dst_func **funcp);
isc_result_t dst__openssldh_init(struct dst_func **funcp);
isc_result_t dst__gssapi_init(struct dst_func **funcp);
/*%
* Destructors
*/
void dst__openssl_destroy(void);
/*%
* Memory allocators using the DST memory pool.
*/
void * dst__mem_alloc(size_t size);
void dst__mem_free(void *ptr);
void * dst__mem_realloc(void *ptr, size_t size);
/*%
* Entropy retriever using the DST entropy pool.
*/
isc_result_t dst__entropy_getdata(void *buf, unsigned int len,
isc_boolean_t pseudo);
/*
* Entropy status hook.
*/
unsigned int dst__entropy_status(void);
ISC_LANG_ENDDECLS
#endif /* DST_DST_INTERNAL_H */
/*! \file */
|
