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1 /* asn1t.h */
2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3  * project 2006.
4  */
5 /* ====================================================================
6  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in
17  *    the documentation and/or other materials provided with the
18  *    distribution.
19  *
20  * 3. All advertising materials mentioning features or use of this
21  *    software must display the following acknowledgment:
22  *    "This product includes software developed by the OpenSSL Project
23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24  *
25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26  *    endorse or promote products derived from this software without
27  *    prior written permission. For written permission, please contact
28  *    licensing@OpenSSL.org.
29  *
30  * 5. Products derived from this software may not be called "OpenSSL"
31  *    nor may "OpenSSL" appear in their names without prior written
32  *    permission of the OpenSSL Project.
33  *
34  * 6. Redistributions of any form whatsoever must retain the following
35  *    acknowledgment:
36  *    "This product includes software developed by the OpenSSL Project
37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38  *
39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50  * OF THE POSSIBILITY OF SUCH DAMAGE.
51  * ====================================================================
52  *
53  * This product includes cryptographic software written by Eric Young
54  * (eay@cryptsoft.com).  This product includes software written by Tim
55  * Hudson (tjh@cryptsoft.com).
56  *
57  */
58 
59 /* Internal ASN1 structures and functions: not for application use */
60 
61 /* ASN1 print context structure */
62 
63 struct asn1_pctx_st
64 	{
65 	unsigned long flags;
66 	unsigned long nm_flags;
67 	unsigned long cert_flags;
68 	unsigned long oid_flags;
69 	unsigned long str_flags;
70 	} /* ASN1_PCTX */;
71 
72 /* ASN1 public key method structure */
73 
74 struct evp_pkey_asn1_method_st
75 	{
76 	int pkey_id;
77 	int pkey_base_id;
78 	unsigned long pkey_flags;
79 
80 	char *pem_str;
81 	char *info;
82 
83 	int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub);
84 	int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
85 	int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
86 	int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
87 							ASN1_PCTX *pctx);
88 
89 	int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
90 	int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
91 	int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
92 							ASN1_PCTX *pctx);
93 
94 	int (*pkey_size)(const EVP_PKEY *pk);
95 	int (*pkey_bits)(const EVP_PKEY *pk);
96 
97 	int (*param_decode)(EVP_PKEY *pkey,
98 				const unsigned char **pder, int derlen);
99 	int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder);
100 	int (*param_missing)(const EVP_PKEY *pk);
101 	int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
102 	int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
103 	int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
104 							ASN1_PCTX *pctx);
105 
106 	void (*pkey_free)(EVP_PKEY *pkey);
107 	int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);
108 
109 	/* Legacy functions for old PEM */
110 
111 	int (*old_priv_decode)(EVP_PKEY *pkey,
112 				const unsigned char **pder, int derlen);
113 	int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder);
114 
115 	} /* EVP_PKEY_ASN1_METHOD */;
116 
117 /* Method to handle CRL access.
118  * In general a CRL could be very large (several Mb) and can consume large
119  * amounts of resources if stored in memory by multiple processes.
120  * This method allows general CRL operations to be redirected to more
121  * efficient callbacks: for example a CRL entry database.
122  */
123 
124 #define X509_CRL_METHOD_DYNAMIC		1
125 
126 struct x509_crl_method_st
127 	{
128 	int flags;
129 	int (*crl_init)(X509_CRL *crl);
130 	int (*crl_free)(X509_CRL *crl);
131 	int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret,
132 				ASN1_INTEGER *ser, X509_NAME *issuer);
133 	int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk);
134 	};
135