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 int (*sig_print)(BIO *out,
106 const X509_ALGOR *sigalg, const ASN1_STRING *sig,
107 int indent, ASN1_PCTX *pctx);
108
109
110 void (*pkey_free)(EVP_PKEY *pkey);
111 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);
112
113 /* Legacy functions for old PEM */
114
115 int (*old_priv_decode)(EVP_PKEY *pkey,
116 const unsigned char **pder, int derlen);
117 int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder);
118 /* Custom ASN1 signature verification */
119 int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
120 X509_ALGOR *a, ASN1_BIT_STRING *sig,
121 EVP_PKEY *pkey);
122 int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
123 X509_ALGOR *alg1, X509_ALGOR *alg2,
124 ASN1_BIT_STRING *sig);
125
126 } /* EVP_PKEY_ASN1_METHOD */;
127
128 /* Method to handle CRL access.
129 * In general a CRL could be very large (several Mb) and can consume large
130 * amounts of resources if stored in memory by multiple processes.
131 * This method allows general CRL operations to be redirected to more
132 * efficient callbacks: for example a CRL entry database.
133 */
134
135 #define X509_CRL_METHOD_DYNAMIC 1
136
137 struct x509_crl_method_st
138 {
139 int flags;
140 int (*crl_init)(X509_CRL *crl);
141 int (*crl_free)(X509_CRL *crl);
142 int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret,
143 ASN1_INTEGER *ser, X509_NAME *issuer);
144 int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk);
145 };