2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
59 /* Internal ASN1 structures and functions: not for application use */
61 /* ASN1 print context structure */
66 unsigned long nm_flags;
67 unsigned long cert_flags;
68 unsigned long oid_flags;
69 unsigned long str_flags;
72 /* ASN1 scan context structure */
76 /* The ASN1_ITEM associated with this field */
78 /* If ASN1_TEMPLATE associated with this field */
79 const ASN1_TEMPLATE *tt;
80 /* Various flags associated with field and context */
82 /* If SEQUENCE OF or SET OF, field index */
84 /* ASN1 depth of field */
86 /* Structure and field name */
87 const char *sname, *fname;
88 /* If a primitive type the type of underlying field */
90 /* The field value itself */
92 /* Callback to pass information to */
93 int (*scan_cb)(ASN1_SCTX *ctx);
94 /* Context specific application data */
98 /* ASN1 public key method structure */
100 struct evp_pkey_asn1_method_st
104 unsigned long pkey_flags;
109 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub);
110 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
111 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
112 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
115 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
116 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
117 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
120 int (*pkey_size)(const EVP_PKEY *pk);
121 int (*pkey_bits)(const EVP_PKEY *pk);
123 int (*param_decode)(EVP_PKEY *pkey,
124 const unsigned char **pder, int derlen);
125 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder);
126 int (*param_missing)(const EVP_PKEY *pk);
127 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
128 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
129 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
131 int (*sig_print)(BIO *out,
132 const X509_ALGOR *sigalg, const ASN1_STRING *sig,
133 int indent, ASN1_PCTX *pctx);
136 void (*pkey_free)(EVP_PKEY *pkey);
137 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);
139 /* Legacy functions for old PEM */
141 int (*old_priv_decode)(EVP_PKEY *pkey,
142 const unsigned char **pder, int derlen);
143 int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder);
144 /* Custom ASN1 signature verification */
145 int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
146 X509_ALGOR *a, ASN1_BIT_STRING *sig,
148 int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
149 X509_ALGOR *alg1, X509_ALGOR *alg2,
150 ASN1_BIT_STRING *sig);
152 } /* EVP_PKEY_ASN1_METHOD */;
154 /* Method to handle CRL access.
155 * In general a CRL could be very large (several Mb) and can consume large
156 * amounts of resources if stored in memory by multiple processes.
157 * This method allows general CRL operations to be redirected to more
158 * efficient callbacks: for example a CRL entry database.
161 #define X509_CRL_METHOD_DYNAMIC 1
163 struct x509_crl_method_st
166 int (*crl_init)(X509_CRL *crl);
167 int (*crl_free)(X509_CRL *crl);
168 int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret,
169 ASN1_INTEGER *ser, X509_NAME *issuer);
170 int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk);