asn1_locl.h revision 296341 
1/* asn1t.h */
2/*
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
4 * 2006.
5 */
6/* ====================================================================
7 * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in
18 *    the documentation and/or other materials provided with the
19 *    distribution.
20 *
21 * 3. All advertising materials mentioning features or use of this
22 *    software must display the following acknowledgment:
23 *    "This product includes software developed by the OpenSSL Project
24 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
25 *
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 *    endorse or promote products derived from this software without
28 *    prior written permission. For written permission, please contact
29 *    licensing@OpenSSL.org.
30 *
31 * 5. Products derived from this software may not be called "OpenSSL"
32 *    nor may "OpenSSL" appear in their names without prior written
33 *    permission of the OpenSSL Project.
34 *
35 * 6. Redistributions of any form whatsoever must retain the following
36 *    acknowledgment:
37 *    "This product includes software developed by the OpenSSL Project
38 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
53 *
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com).  This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
57 *
58 */
59
60/* Internal ASN1 structures and functions: not for application use */
61
62/* ASN1 print context structure */
63
64struct asn1_pctx_st {
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
74struct evp_pkey_asn1_method_st {
75    int pkey_id;
76    int pkey_base_id;
77    unsigned long pkey_flags;
78    char *pem_str;
79    char *info;
80    int (*pub_decode) (EVP_PKEY *pk, X509_PUBKEY *pub);
81    int (*pub_encode) (X509_PUBKEY *pub, const EVP_PKEY *pk);
82    int (*pub_cmp) (const EVP_PKEY *a, const EVP_PKEY *b);
83    int (*pub_print) (BIO *out, const EVP_PKEY *pkey, int indent,
84                      ASN1_PCTX *pctx);
85    int (*priv_decode) (EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
86    int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
87    int (*priv_print) (BIO *out, const EVP_PKEY *pkey, int indent,
88                       ASN1_PCTX *pctx);
89    int (*pkey_size) (const EVP_PKEY *pk);
90    int (*pkey_bits) (const EVP_PKEY *pk);
91    int (*param_decode) (EVP_PKEY *pkey,
92                         const unsigned char **pder, int derlen);
93    int (*param_encode) (const EVP_PKEY *pkey, unsigned char **pder);
94    int (*param_missing) (const EVP_PKEY *pk);
95    int (*param_copy) (EVP_PKEY *to, const EVP_PKEY *from);
96    int (*param_cmp) (const EVP_PKEY *a, const EVP_PKEY *b);
97    int (*param_print) (BIO *out, const EVP_PKEY *pkey, int indent,
98                        ASN1_PCTX *pctx);
99    int (*sig_print) (BIO *out,
100                      const X509_ALGOR *sigalg, const ASN1_STRING *sig,
101                      int indent, ASN1_PCTX *pctx);
102    void (*pkey_free) (EVP_PKEY *pkey);
103    int (*pkey_ctrl) (EVP_PKEY *pkey, int op, long arg1, void *arg2);
104    /* Legacy functions for old PEM */
105    int (*old_priv_decode) (EVP_PKEY *pkey,
106                            const unsigned char **pder, int derlen);
107    int (*old_priv_encode) (const EVP_PKEY *pkey, unsigned char **pder);
108    /* Custom ASN1 signature verification */
109    int (*item_verify) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
110                        X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey);
111    int (*item_sign) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
112                      X509_ALGOR *alg1, X509_ALGOR *alg2,
113                      ASN1_BIT_STRING *sig);
114} /* EVP_PKEY_ASN1_METHOD */ ;
115
116/*
117 * Method to handle CRL access. In general a CRL could be very large (several
118 * Mb) and can consume large amounts of resources if stored in memory by
119 * multiple processes. This method allows general CRL operations to be
120 * redirected to more efficient callbacks: for example a CRL entry database.
121 */
122
123#define X509_CRL_METHOD_DYNAMIC         1
124
125struct x509_crl_method_st {
126    int flags;
127    int (*crl_init) (X509_CRL *crl);
128    int (*crl_free) (X509_CRL *crl);
129    int (*crl_lookup) (X509_CRL *crl, X509_REVOKED **ret,
130                       ASN1_INTEGER *ser, X509_NAME *issuer);
131    int (*crl_verify) (X509_CRL *crl, EVP_PKEY *pk);
132};
133