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 public key method structure */
77 struct evp_pkey_asn1_method_st
81 unsigned long pkey_flags;
86 int (*pub_decode)(EVP_PKEY *pk, X509_PUBKEY *pub);
87 int (*pub_encode)(X509_PUBKEY *pub, const EVP_PKEY *pk);
88 int (*pub_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
89 int (*pub_print)(BIO *out, const EVP_PKEY *pkey, int indent,
92 int (*priv_decode)(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
93 int (*priv_encode)(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
94 int (*priv_print)(BIO *out, const EVP_PKEY *pkey, int indent,
97 int (*pkey_size)(const EVP_PKEY *pk);
98 int (*pkey_bits)(const EVP_PKEY *pk);
100 int (*param_decode)(EVP_PKEY *pkey,
101 const unsigned char **pder, int derlen);
102 int (*param_encode)(const EVP_PKEY *pkey, unsigned char **pder);
103 int (*param_missing)(const EVP_PKEY *pk);
104 int (*param_copy)(EVP_PKEY *to, const EVP_PKEY *from);
105 int (*param_cmp)(const EVP_PKEY *a, const EVP_PKEY *b);
106 int (*param_print)(BIO *out, const EVP_PKEY *pkey, int indent,
108 int (*sig_print)(BIO *out,
109 const X509_ALGOR *sigalg, const ASN1_STRING *sig,
110 int indent, ASN1_PCTX *pctx);
113 void (*pkey_free)(EVP_PKEY *pkey);
114 int (*pkey_ctrl)(EVP_PKEY *pkey, int op, long arg1, void *arg2);
116 /* Legacy functions for old PEM */
118 int (*old_priv_decode)(EVP_PKEY *pkey,
119 const unsigned char **pder, int derlen);
120 int (*old_priv_encode)(const EVP_PKEY *pkey, unsigned char **pder);
121 /* Custom ASN1 signature verification */
122 int (*item_verify)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
123 X509_ALGOR *a, ASN1_BIT_STRING *sig,
125 int (*item_sign)(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
126 X509_ALGOR *alg1, X509_ALGOR *alg2,
127 ASN1_BIT_STRING *sig);
129 } /* EVP_PKEY_ASN1_METHOD */;
131 /* Method to handle CRL access.
132 * In general a CRL could be very large (several Mb) and can consume large
133 * amounts of resources if stored in memory by multiple processes.
134 * This method allows general CRL operations to be redirected to more
135 * efficient callbacks: for example a CRL entry database.
138 #define X509_CRL_METHOD_DYNAMIC 1
140 struct x509_crl_method_st
143 int (*crl_init)(X509_CRL *crl);
144 int (*crl_free)(X509_CRL *crl);
145 int (*crl_lookup)(X509_CRL *crl, X509_REVOKED **ret,
146 ASN1_INTEGER *ser, X509_NAME *issuer);
147 int (*crl_verify)(X509_CRL *crl, EVP_PKEY *pk);