1 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
4 /* ====================================================================
5 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
33 * 6. Redistributions of any form whatsoever must retain the following
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
60 #include <openssl/asn1t.h>
61 #include <openssl/x509.h>
62 #include <openssl/ec.h>
63 #include "asn1_locl.h"
65 extern const EVP_PKEY_ASN1_METHOD rsa_asn1_meths
[];
66 extern const EVP_PKEY_ASN1_METHOD dsa_asn1_meths
[];
67 extern const EVP_PKEY_ASN1_METHOD dh_asn1_meth
;
68 extern const EVP_PKEY_ASN1_METHOD eckey_asn1_meth
;
70 /* Keep this sorted in type order !! */
71 const EVP_PKEY_ASN1_METHOD
*standard_methods
[] =
73 #ifndef OPENSSL_NO_RSA
80 #ifndef OPENSSL_NO_DSA
92 typedef int sk_cmp_fn_type(const char * const *a
, const char * const *b
);
93 static STACK
*app_methods
= NULL
;
102 i
< sizeof(standard_methods
)/sizeof(EVP_PKEY_ASN1_METHOD
*);
104 fprintf(stderr
, "Number %d id=%d (%s)\n", i
,
105 standard_methods
[i
]->pkey_id
,
106 OBJ_nid2sn(standard_methods
[i
]->pkey_id
));
110 static int ameth_cmp(const EVP_PKEY_ASN1_METHOD
* const *a
,
111 const EVP_PKEY_ASN1_METHOD
* const *b
)
113 return ((*a
)->pkey_id
- (*b
)->pkey_id
);
116 int EVP_PKEY_asn1_get_count(void)
118 int num
= sizeof(standard_methods
)/sizeof(EVP_PKEY_ASN1_METHOD
*);
120 num
+= sk_num(app_methods
);
124 const EVP_PKEY_ASN1_METHOD
*EVP_PKEY_asn1_get0(int idx
)
126 int num
= sizeof(standard_methods
)/sizeof(EVP_PKEY_ASN1_METHOD
*);
130 return standard_methods
[idx
];
132 return (const EVP_PKEY_ASN1_METHOD
*)sk_value(app_methods
, idx
);
135 const EVP_PKEY_ASN1_METHOD
*EVP_PKEY_asn1_find(int type
)
137 EVP_PKEY_ASN1_METHOD tmp
, *t
= &tmp
, **ret
;
142 idx
= sk_find(app_methods
, (char *)&t
);
144 return (EVP_PKEY_ASN1_METHOD
*)
145 sk_value(app_methods
, idx
);
147 ret
= (EVP_PKEY_ASN1_METHOD
**) OBJ_bsearch((char *)&t
,
148 (char *)standard_methods
,
149 sizeof(standard_methods
)/sizeof(EVP_PKEY_ASN1_METHOD
*),
150 sizeof(EVP_PKEY_ASN1_METHOD
*),
151 (int (*)(const void *, const void *))ameth_cmp
);
154 if ((*ret
)->pkey_flags
& ASN1_PKEY_ALIAS
)
155 return EVP_PKEY_asn1_find((*ret
)->pkey_base_id
);
159 const EVP_PKEY_ASN1_METHOD
*EVP_PKEY_asn1_find_str(const char *str
, int len
)
162 const EVP_PKEY_ASN1_METHOD
*ameth
;
163 for (i
= 0; i
< EVP_PKEY_asn1_get_count(); i
++)
165 ameth
= EVP_PKEY_asn1_get0(i
);
166 if (ameth
->pkey_flags
& ASN1_PKEY_ALIAS
)
168 if ((strlen(ameth
->pem_str
) == len
) &&
169 !strncasecmp(ameth
->pem_str
, str
, len
))
175 int EVP_PKEY_asn1_add(const EVP_PKEY_ASN1_METHOD
*ameth
)
177 if (app_methods
== NULL
)
179 app_methods
= sk_new((sk_cmp_fn_type
*)ameth_cmp
);
183 if (!sk_push(app_methods
, (char *)ameth
))
185 sk_sort(app_methods
);
189 int EVP_PKEY_asn1_get0_info(int *ppkey_id
, int *ppkey_base_id
, int *ppkey_flags
,
190 const char **pinfo
, const char **ppem_str
,
191 const EVP_PKEY_ASN1_METHOD
*ameth
)
196 *ppkey_id
= ameth
->pkey_id
;
198 *ppkey_base_id
= ameth
->pkey_base_id
;
200 *ppkey_flags
= ameth
->pkey_flags
;
202 *pinfo
= ameth
->info
;
204 *ppem_str
= ameth
->pem_str
;
208 EVP_PKEY_ASN1_METHOD
* EVP_PKEY_asn1_new(int id
,
209 const char *pem_str
, const char *info
)
211 EVP_PKEY_ASN1_METHOD
*ameth
;
212 ameth
= OPENSSL_malloc(sizeof(EVP_PKEY_ASN1_METHOD
));
217 ameth
->pkey_base_id
= id
;
218 ameth
->pkey_flags
= ASN1_PKEY_DYNAMIC
;
222 ameth
->info
= BUF_strdup(info
);
229 ameth
->pem_str
= BUF_strdup(pem_str
);
234 ameth
->pub_decode
= 0;
235 ameth
->pub_encode
= 0;
237 ameth
->pub_print
= 0;
239 ameth
->priv_decode
= 0;
240 ameth
->priv_encode
= 0;
241 ameth
->priv_print
= 0;
243 ameth
->pkey_size
= 0;
244 ameth
->pkey_bits
= 0;
246 ameth
->param_decode
= 0;
247 ameth
->param_encode
= 0;
248 ameth
->param_missing
= 0;
249 ameth
->param_copy
= 0;
250 ameth
->param_cmp
= 0;
251 ameth
->param_print
= 0;
253 ameth
->pkey_free
= 0;
254 ameth
->pkey_ctrl
= 0;
260 EVP_PKEY_asn1_free(ameth
);
265 void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD
*ameth
)
267 if (ameth
&& (ameth
->pkey_flags
& ASN1_PKEY_DYNAMIC
))
270 OPENSSL_free(ameth
->pem_str
);
272 OPENSSL_free(ameth
->info
);
277 void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD
*ameth
,
278 int (*pub_decode
)(EVP_PKEY
*pk
, X509_PUBKEY
*pub
),
279 int (*pub_encode
)(X509_PUBKEY
*pub
, const EVP_PKEY
*pk
),
280 int (*pub_cmp
)(const EVP_PKEY
*a
, const EVP_PKEY
*b
),
281 int (*pub_print
)(BIO
*out
, const EVP_PKEY
*pkey
, int indent
,
283 int (*pkey_size
)(const EVP_PKEY
*pk
),
284 int (*pkey_bits
)(const EVP_PKEY
*pk
))
286 ameth
->pub_decode
= pub_decode
;
287 ameth
->pub_encode
= pub_encode
;
288 ameth
->pub_cmp
= pub_cmp
;
289 ameth
->pub_print
= pub_print
;
290 ameth
->pkey_size
= pkey_size
;
291 ameth
->pkey_bits
= pkey_bits
;
294 void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD
*ameth
,
295 int (*priv_decode
)(EVP_PKEY
*pk
, PKCS8_PRIV_KEY_INFO
*p8inf
),
296 int (*priv_encode
)(PKCS8_PRIV_KEY_INFO
*p8
, const EVP_PKEY
*pk
),
297 int (*priv_print
)(BIO
*out
, const EVP_PKEY
*pkey
, int indent
,
300 ameth
->priv_decode
= priv_decode
;
301 ameth
->priv_encode
= priv_encode
;
302 ameth
->priv_print
= priv_print
;
305 void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD
*ameth
,
306 int (*param_decode
)(EVP_PKEY
*pkey
,
307 const unsigned char **pder
, int derlen
),
308 int (*param_encode
)(const EVP_PKEY
*pkey
, unsigned char **pder
),
309 int (*param_missing
)(const EVP_PKEY
*pk
),
310 int (*param_copy
)(EVP_PKEY
*to
, const EVP_PKEY
*from
),
311 int (*param_cmp
)(const EVP_PKEY
*a
, const EVP_PKEY
*b
),
312 int (*param_print
)(BIO
*out
, const EVP_PKEY
*pkey
, int indent
,
315 ameth
->param_decode
= param_decode
;
316 ameth
->param_encode
= param_encode
;
317 ameth
->param_missing
= param_missing
;
318 ameth
->param_copy
= param_copy
;
319 ameth
->param_cmp
= param_cmp
;
320 ameth
->param_print
= param_print
;
323 void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD
*ameth
,
324 void (*pkey_free
)(EVP_PKEY
*pkey
))
326 ameth
->pkey_free
= pkey_free
;
329 void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD
*ameth
,
330 void (*pkey_ctrl
)(EVP_PKEY
*pkey
, int op
,
331 long arg1
, void *arg2
))
333 ameth
->pkey_ctrl
= pkey_ctrl
;