aboutsummaryrefslogtreecommitdiff
path: root/openssl/crypto/asn1/asn1_locl.h
blob: 9fcf0d9530ff9a82dc008d45b537fda2c9ead109 (plain)
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
/* asn1t.h */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 2006.
 */
/* ====================================================================
 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

/* Internal ASN1 structures and functions: not for application use */

/* ASN1 print context structure */

struct asn1_pctx_st
	{
	unsigned long flags;
	unsigned long nm_flags;
	unsigned long cert_flags;
	unsigned long oid_flags;
	unsigned long str_flags;
	} /* ASN1_PCTX */;

/* ASN1 public key method structure */

struct evp_pkey_asn1_method_st
	{
	int pkey_id;
	int pkey_base_id;
	unsigned long pkey_flags;

	char *pem_str;
	char *info;

	int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub);
	int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
	int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
	int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
							ASN1_PCTX *pctx);

	int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
	int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
	int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
							ASN1_PCTX *pctx);

	int (*pkey_size)(const EVP_PKEY *pk);
	int (*pkey_bits)(const EVP_PKEY *pk);

	int (*param_decode)(EVP_PKEY *pkey,
				const unsigned char **pder, int derlen);
	int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder);
	int (*param_missing)(const EVP_PKEY *pk);
	int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
	int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
	int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
							ASN1_PCTX *pctx);
	int (*sig_print)(BIO *out,
			 const X509_ALGOR *sigalg, const ASN1_STRING *sig,
					 int indent, ASN1_PCTX *pctx);


	void (*pkey_free)(EVP_PKEY *pkey);
	int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);

	/* Legacy functions for old PEM */

	int (*old_priv_decode)(EVP_PKEY *pkey,
				const unsigned char **pder, int derlen);
	int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder);
	/* Custom ASN1 signature verification */
	int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
				X509_ALGOR *a, ASN1_BIT_STRING *sig,
				EVP_PKEY *pkey);
	int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
				X509_ALGOR *alg1, X509_ALGOR *alg2, 
				ASN1_BIT_STRING *sig);

	} /* EVP_PKEY_ASN1_METHOD */;

/* Method to handle CRL access.
 * In general a CRL could be very large (several Mb) and can consume large
 * amounts of resources if stored in memory by multiple processes.
 * This method allows general CRL operations to be redirected to more
 * efficient callbacks: for example a CRL entry database.
 */

#define X509_CRL_METHOD_DYNAMIC		1

struct x509_crl_method_st
	{
	int flags;
	int (*crl_init)(X509_CRL *crl);
	int (*crl_free)(X509_CRL *crl);
	int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret,
				ASN1_INTEGER *ser, X509_NAME *issuer);
	int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk);
	};