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 int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d);
62 int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d);
64 /* ASN1 print context structure */
69 unsigned long nm_flags;
70 unsigned long cert_flags;
71 unsigned long oid_flags;
72 unsigned long str_flags;
75 /* ASN1 scan context structure */
79 /* The ASN1_ITEM associated with this field */
81 /* If ASN1_TEMPLATE associated with this field */
82 const ASN1_TEMPLATE *tt;
83 /* Various flags associated with field and context */
85 /* If SEQUENCE OF or SET OF, field index */
87 /* ASN1 depth of field */
89 /* Structure and field name */
90 const char *sname, *fname;
91 /* If a primitive type the type of underlying field */
93 /* The field value itself */
95 /* Callback to pass information to */
96 int (*scan_cb)(ASN1_SCTX *ctx);
97 /* Context specific application data */
101 /* ASN1 public key method structure */
103 struct evp_pkey_asn1_method_st
107 unsigned long pkey_flags;
112 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub);
113 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
114 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
115 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
118 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
119 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
120 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
123 int (*pkey_size)(const EVP_PKEY *pk);
124 int (*pkey_bits)(const EVP_PKEY *pk);
125 int (*pkey_security_bits)(const EVP_PKEY *pk);
127 int (*param_decode)(EVP_PKEY *pkey,
128 const unsigned char **pder, int derlen);
129 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder);
130 int (*param_missing)(const EVP_PKEY *pk);
131 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
132 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
133 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
135 int (*sig_print)(BIO *out,
136 const X509_ALGOR *sigalg, const ASN1_STRING *sig,
137 int indent, ASN1_PCTX *pctx);
140 void (*pkey_free)(EVP_PKEY *pkey);
141 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);
143 /* Legacy functions for old PEM */
145 int (*old_priv_decode)(EVP_PKEY *pkey,
146 const unsigned char **pder, int derlen);
147 int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder);
148 /* Custom ASN1 signature verification */
149 int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
150 X509_ALGOR *a, ASN1_BIT_STRING *sig,
152 int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
153 X509_ALGOR *alg1, X509_ALGOR *alg2,
154 ASN1_BIT_STRING *sig);
156 } /* EVP_PKEY_ASN1_METHOD */;
158 /* Method to handle CRL access.
159 * In general a CRL could be very large (several Mb) and can consume large
160 * amounts of resources if stored in memory by multiple processes.
161 * This method allows general CRL operations to be redirected to more
162 * efficient callbacks: for example a CRL entry database.
165 #define X509_CRL_METHOD_DYNAMIC 1
167 struct x509_crl_method_st
170 int (*crl_init)(X509_CRL *crl);
171 int (*crl_free)(X509_CRL *crl);
172 int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret,
173 ASN1_INTEGER *ser, X509_NAME *issuer);
174 int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk);