x_all.c revision 277195
1/* crypto/x509/x_all.c */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#include <stdio.h>
60#include <openssl/stack.h>
61#include "cryptlib.h"
62#include <openssl/buffer.h>
63#include <openssl/asn1.h>
64#include <openssl/evp.h>
65#include <openssl/x509.h>
66#ifndef OPENSSL_NO_RSA
67#include <openssl/rsa.h>
68#endif
69#ifndef OPENSSL_NO_DSA
70#include <openssl/dsa.h>
71#endif
72
73int X509_verify(X509 *a, EVP_PKEY *r)
74	{
75	if (X509_ALGOR_cmp(a->sig_alg, a->cert_info->signature))
76		return 0;
77	return(ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF),a->sig_alg,
78		a->signature,a->cert_info,r));
79	}
80
81int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
82	{
83	return( ASN1_item_verify(ASN1_ITEM_rptr(X509_REQ_INFO),
84		a->sig_alg,a->signature,a->req_info,r));
85	}
86
87int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
88	{
89	return(ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC),
90		a->sig_algor,a->signature,a->spkac,r));
91	}
92
93int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
94	{
95	x->cert_info->enc.modified = 1;
96	return(ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), x->cert_info->signature,
97		x->sig_alg, x->signature, x->cert_info,pkey,md));
98	}
99
100int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
101	{
102	return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
103		x->cert_info->signature,
104		x->sig_alg, x->signature, x->cert_info, ctx);
105	}
106
107int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
108	{
109	return(ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO),x->sig_alg, NULL,
110		x->signature, x->req_info,pkey,md));
111	}
112
113int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
114	{
115	return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
116		x->sig_alg, NULL, x->signature, x->req_info, ctx);
117	}
118
119int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
120	{
121	x->crl->enc.modified = 1;
122	return(ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO),x->crl->sig_alg,
123		x->sig_alg, x->signature, x->crl,pkey,md));
124	}
125
126int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
127	{
128	return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
129		x->crl->sig_alg, x->sig_alg, x->signature, x->crl, ctx);
130	}
131
132int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
133	{
134	return(ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), x->sig_algor,NULL,
135		x->signature, x->spkac,pkey,md));
136	}
137
138#ifndef OPENSSL_NO_FP_API
139X509 *d2i_X509_fp(FILE *fp, X509 **x509)
140	{
141	return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
142	}
143
144int i2d_X509_fp(FILE *fp, X509 *x509)
145	{
146	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
147	}
148#endif
149
150X509 *d2i_X509_bio(BIO *bp, X509 **x509)
151	{
152	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
153	}
154
155int i2d_X509_bio(BIO *bp, X509 *x509)
156	{
157	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
158	}
159
160#ifndef OPENSSL_NO_FP_API
161X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
162	{
163	return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
164	}
165
166int i2d_X509_CRL_fp(FILE *fp, X509_CRL *crl)
167	{
168	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
169	}
170#endif
171
172X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
173	{
174	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
175	}
176
177int i2d_X509_CRL_bio(BIO *bp, X509_CRL *crl)
178	{
179	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
180	}
181
182#ifndef OPENSSL_NO_FP_API
183PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
184	{
185	return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
186	}
187
188int i2d_PKCS7_fp(FILE *fp, PKCS7 *p7)
189	{
190	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
191	}
192#endif
193
194PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
195	{
196	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
197	}
198
199int i2d_PKCS7_bio(BIO *bp, PKCS7 *p7)
200	{
201	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
202	}
203
204#ifndef OPENSSL_NO_FP_API
205X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
206	{
207	return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
208	}
209
210int i2d_X509_REQ_fp(FILE *fp, X509_REQ *req)
211	{
212	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
213	}
214#endif
215
216X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
217	{
218	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
219	}
220
221int i2d_X509_REQ_bio(BIO *bp, X509_REQ *req)
222	{
223	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
224	}
225
226#ifndef OPENSSL_NO_RSA
227
228#ifndef OPENSSL_NO_FP_API
229RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
230	{
231	return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
232	}
233
234int i2d_RSAPrivateKey_fp(FILE *fp, RSA *rsa)
235	{
236	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
237	}
238
239RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
240	{
241	return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
242	}
243
244
245RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
246	{
247	return ASN1_d2i_fp((void *(*)(void))
248			   RSA_new,(D2I_OF(void))d2i_RSA_PUBKEY, fp,
249			   (void **)rsa);
250	}
251
252int i2d_RSAPublicKey_fp(FILE *fp, RSA *rsa)
253	{
254	return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
255	}
256
257int i2d_RSA_PUBKEY_fp(FILE *fp, RSA *rsa)
258	{
259	return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY,fp,rsa);
260	}
261#endif
262
263RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
264	{
265	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
266	}
267
268int i2d_RSAPrivateKey_bio(BIO *bp, RSA *rsa)
269	{
270	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
271	}
272
273RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
274	{
275	return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
276	}
277
278
279RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
280	{
281	return ASN1_d2i_bio_of(RSA,RSA_new,d2i_RSA_PUBKEY,bp,rsa);
282	}
283
284int i2d_RSAPublicKey_bio(BIO *bp, RSA *rsa)
285	{
286	return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
287	}
288
289int i2d_RSA_PUBKEY_bio(BIO *bp, RSA *rsa)
290	{
291	return ASN1_i2d_bio_of(RSA,i2d_RSA_PUBKEY,bp,rsa);
292	}
293#endif
294
295#ifndef OPENSSL_NO_DSA
296#ifndef OPENSSL_NO_FP_API
297DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
298	{
299	return ASN1_d2i_fp_of(DSA,DSA_new,d2i_DSAPrivateKey,fp,dsa);
300	}
301
302int i2d_DSAPrivateKey_fp(FILE *fp, DSA *dsa)
303	{
304	return ASN1_i2d_fp_of_const(DSA,i2d_DSAPrivateKey,fp,dsa);
305	}
306
307DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
308	{
309	return ASN1_d2i_fp_of(DSA,DSA_new,d2i_DSA_PUBKEY,fp,dsa);
310	}
311
312int i2d_DSA_PUBKEY_fp(FILE *fp, DSA *dsa)
313	{
314	return ASN1_i2d_fp_of(DSA,i2d_DSA_PUBKEY,fp,dsa);
315	}
316#endif
317
318DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
319	{
320	return ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSAPrivateKey,bp,dsa
321);
322	}
323
324int i2d_DSAPrivateKey_bio(BIO *bp, DSA *dsa)
325	{
326	return ASN1_i2d_bio_of_const(DSA,i2d_DSAPrivateKey,bp,dsa);
327	}
328
329DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
330	{
331	return ASN1_d2i_bio_of(DSA,DSA_new,d2i_DSA_PUBKEY,bp,dsa);
332	}
333
334int i2d_DSA_PUBKEY_bio(BIO *bp, DSA *dsa)
335	{
336	return ASN1_i2d_bio_of(DSA,i2d_DSA_PUBKEY,bp,dsa);
337	}
338
339#endif
340
341#ifndef OPENSSL_NO_EC
342#ifndef OPENSSL_NO_FP_API
343EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
344	{
345	return ASN1_d2i_fp_of(EC_KEY,EC_KEY_new,d2i_EC_PUBKEY,fp,eckey);
346	}
347
348int i2d_EC_PUBKEY_fp(FILE *fp, EC_KEY *eckey)
349	{
350	return ASN1_i2d_fp_of(EC_KEY,i2d_EC_PUBKEY,fp,eckey);
351	}
352
353EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
354	{
355	return ASN1_d2i_fp_of(EC_KEY,EC_KEY_new,d2i_ECPrivateKey,fp,eckey);
356	}
357
358int i2d_ECPrivateKey_fp(FILE *fp, EC_KEY *eckey)
359	{
360	return ASN1_i2d_fp_of(EC_KEY,i2d_ECPrivateKey,fp,eckey);
361	}
362#endif
363EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
364	{
365	return ASN1_d2i_bio_of(EC_KEY,EC_KEY_new,d2i_EC_PUBKEY,bp,eckey);
366	}
367
368int i2d_EC_PUBKEY_bio(BIO *bp, EC_KEY *ecdsa)
369	{
370	return ASN1_i2d_bio_of(EC_KEY,i2d_EC_PUBKEY,bp,ecdsa);
371	}
372
373EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
374	{
375	return ASN1_d2i_bio_of(EC_KEY,EC_KEY_new,d2i_ECPrivateKey,bp,eckey);
376	}
377
378int i2d_ECPrivateKey_bio(BIO *bp, EC_KEY *eckey)
379	{
380	return ASN1_i2d_bio_of(EC_KEY,i2d_ECPrivateKey,bp,eckey);
381	}
382#endif
383
384
385int X509_pubkey_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
386	     unsigned int *len)
387	{
388	ASN1_BIT_STRING *key;
389	key = X509_get0_pubkey_bitstr(data);
390	if(!key) return 0;
391	return EVP_Digest(key->data, key->length, md, len, type, NULL);
392	}
393
394int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
395	     unsigned int *len)
396	{
397	return(ASN1_item_digest(ASN1_ITEM_rptr(X509),type,(char *)data,md,len));
398	}
399
400int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type, unsigned char *md,
401	     unsigned int *len)
402	{
403	return(ASN1_item_digest(ASN1_ITEM_rptr(X509_CRL),type,(char *)data,md,len));
404	}
405
406int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type, unsigned char *md,
407	     unsigned int *len)
408	{
409	return(ASN1_item_digest(ASN1_ITEM_rptr(X509_REQ),type,(char *)data,md,len));
410	}
411
412int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type, unsigned char *md,
413	     unsigned int *len)
414	{
415	return(ASN1_item_digest(ASN1_ITEM_rptr(X509_NAME),type,(char *)data,md,len));
416	}
417
418int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data, const EVP_MD *type,
419	     unsigned char *md, unsigned int *len)
420	{
421	return(ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL),type,
422		(char *)data,md,len));
423	}
424
425
426#ifndef OPENSSL_NO_FP_API
427X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
428	{
429	return ASN1_d2i_fp_of(X509_SIG,X509_SIG_new,d2i_X509_SIG,fp,p8);
430	}
431
432int i2d_PKCS8_fp(FILE *fp, X509_SIG *p8)
433	{
434	return ASN1_i2d_fp_of(X509_SIG,i2d_X509_SIG,fp,p8);
435	}
436#endif
437
438X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
439	{
440	return ASN1_d2i_bio_of(X509_SIG,X509_SIG_new,d2i_X509_SIG,bp,p8);
441	}
442
443int i2d_PKCS8_bio(BIO *bp, X509_SIG *p8)
444	{
445	return ASN1_i2d_bio_of(X509_SIG,i2d_X509_SIG,bp,p8);
446	}
447
448#ifndef OPENSSL_NO_FP_API
449PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
450						 PKCS8_PRIV_KEY_INFO **p8inf)
451	{
452	return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO,PKCS8_PRIV_KEY_INFO_new,
453			      d2i_PKCS8_PRIV_KEY_INFO,fp,p8inf);
454	}
455
456int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, PKCS8_PRIV_KEY_INFO *p8inf)
457	{
458	return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO,i2d_PKCS8_PRIV_KEY_INFO,fp,
459			      p8inf);
460	}
461
462int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, EVP_PKEY *key)
463	{
464	PKCS8_PRIV_KEY_INFO *p8inf;
465	int ret;
466	p8inf = EVP_PKEY2PKCS8(key);
467	if(!p8inf) return 0;
468	ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
469	PKCS8_PRIV_KEY_INFO_free(p8inf);
470	return ret;
471	}
472
473int i2d_PrivateKey_fp(FILE *fp, EVP_PKEY *pkey)
474	{
475	return ASN1_i2d_fp_of(EVP_PKEY,i2d_PrivateKey,fp,pkey);
476	}
477
478EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
479{
480	return ASN1_d2i_fp_of(EVP_PKEY,EVP_PKEY_new,d2i_AutoPrivateKey,fp,a);
481}
482
483int i2d_PUBKEY_fp(FILE *fp, EVP_PKEY *pkey)
484	{
485	return ASN1_i2d_fp_of(EVP_PKEY,i2d_PUBKEY,fp,pkey);
486	}
487
488EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
489{
490	return ASN1_d2i_fp_of(EVP_PKEY,EVP_PKEY_new,d2i_PUBKEY,fp,a);
491}
492
493#endif
494
495PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
496						 PKCS8_PRIV_KEY_INFO **p8inf)
497	{
498	return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO,PKCS8_PRIV_KEY_INFO_new,
499			    d2i_PKCS8_PRIV_KEY_INFO,bp,p8inf);
500	}
501
502int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, PKCS8_PRIV_KEY_INFO *p8inf)
503	{
504	return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO,i2d_PKCS8_PRIV_KEY_INFO,bp,
505			       p8inf);
506	}
507
508int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, EVP_PKEY *key)
509	{
510	PKCS8_PRIV_KEY_INFO *p8inf;
511	int ret;
512	p8inf = EVP_PKEY2PKCS8(key);
513	if(!p8inf) return 0;
514	ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
515	PKCS8_PRIV_KEY_INFO_free(p8inf);
516	return ret;
517	}
518
519int i2d_PrivateKey_bio(BIO *bp, EVP_PKEY *pkey)
520	{
521	return ASN1_i2d_bio_of(EVP_PKEY,i2d_PrivateKey,bp,pkey);
522	}
523
524EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
525	{
526	return ASN1_d2i_bio_of(EVP_PKEY,EVP_PKEY_new,d2i_AutoPrivateKey,bp,a);
527	}
528
529int i2d_PUBKEY_bio(BIO *bp, EVP_PKEY *pkey)
530	{
531	return ASN1_i2d_bio_of(EVP_PKEY,i2d_PUBKEY,bp,pkey);
532	}
533
534EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
535	{
536	return ASN1_d2i_bio_of(EVP_PKEY,EVP_PKEY_new,d2i_PUBKEY,bp,a);
537	}
538