2 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
5 /* ====================================================================
6 * Copyright (c) 2015 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 public key method structure */
63 struct evp_pkey_asn1_method_st {
66 unsigned long pkey_flags;
69 int (*pub_decode) (EVP_PKEY *pk, X509_PUBKEY *pub);
70 int (*pub_encode) (X509_PUBKEY *pub, const EVP_PKEY *pk);
71 int (*pub_cmp) (const EVP_PKEY *a, const EVP_PKEY *b);
72 int (*pub_print) (BIO *out, const EVP_PKEY *pkey, int indent,
74 int (*priv_decode) (EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf);
75 int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pk);
76 int (*priv_print) (BIO *out, const EVP_PKEY *pkey, int indent,
78 int (*pkey_size) (const EVP_PKEY *pk);
79 int (*pkey_bits) (const EVP_PKEY *pk);
80 int (*pkey_security_bits) (const EVP_PKEY *pk);
81 int (*param_decode) (EVP_PKEY *pkey,
82 const unsigned char **pder, int derlen);
83 int (*param_encode) (const EVP_PKEY *pkey, unsigned char **pder);
84 int (*param_missing) (const EVP_PKEY *pk);
85 int (*param_copy) (EVP_PKEY *to, const EVP_PKEY *from);
86 int (*param_cmp) (const EVP_PKEY *a, const EVP_PKEY *b);
87 int (*param_print) (BIO *out, const EVP_PKEY *pkey, int indent,
89 int (*sig_print) (BIO *out,
90 const X509_ALGOR *sigalg, const ASN1_STRING *sig,
91 int indent, ASN1_PCTX *pctx);
92 void (*pkey_free) (EVP_PKEY *pkey);
93 int (*pkey_ctrl) (EVP_PKEY *pkey, int op, long arg1, void *arg2);
94 /* Legacy functions for old PEM */
95 int (*old_priv_decode) (EVP_PKEY *pkey,
96 const unsigned char **pder, int derlen);
97 int (*old_priv_encode) (const EVP_PKEY *pkey, unsigned char **pder);
98 /* Custom ASN1 signature verification */
99 int (*item_verify) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
100 X509_ALGOR *a, ASN1_BIT_STRING *sig, EVP_PKEY *pkey);
101 int (*item_sign) (EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
102 X509_ALGOR *alg1, X509_ALGOR *alg2,
103 ASN1_BIT_STRING *sig);
104 } /* EVP_PKEY_ASN1_METHOD */ ;
106 DEFINE_STACK_OF_CONST(EVP_PKEY_ASN1_METHOD)
108 extern const EVP_PKEY_ASN1_METHOD cmac_asn1_meth;
109 extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth;
110 extern const EVP_PKEY_ASN1_METHOD dhx_asn1_meth;
111 extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths[];
112 extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth;
113 extern const EVP_PKEY_ASN1_METHOD hmac_asn1_meth;
114 extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[];
117 * These are used internally in the ASN1_OBJECT to keep track of whether the
118 * names and data need to be free()ed
120 # define ASN1_OBJECT_FLAG_DYNAMIC 0x01/* internal use */
121 # define ASN1_OBJECT_FLAG_CRITICAL 0x02/* critical x509v3 object id */
122 # define ASN1_OBJECT_FLAG_DYNAMIC_STRINGS 0x04/* internal use */
123 # define ASN1_OBJECT_FLAG_DYNAMIC_DATA 0x08/* internal use */
124 struct asn1_object_st {
128 const unsigned char *data; /* data remains const after init */
129 int flags; /* Should we free this one */
132 /* ASN1 print context structure */
134 struct asn1_pctx_st {
136 unsigned long nm_flags;
137 unsigned long cert_flags;
138 unsigned long oid_flags;
139 unsigned long str_flags;