2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
11 * Low level APIs are deprecated for public use, but still ok for
14 #include "internal/deprecated.h"
17 #include "internal/cryptlib.h"
18 #include <openssl/buffer.h>
19 #include <openssl/asn1.h>
20 #include <openssl/evp.h>
21 #include <openssl/x509.h>
22 #include <openssl/http.h>
23 #include <openssl/rsa.h>
24 #include <openssl/dsa.h>
25 #include <openssl/x509v3.h>
26 #include "internal/asn1.h"
27 #include "crypto/pkcs7.h"
28 #include "crypto/x509.h"
30 int X509_verify(X509 *a, EVP_PKEY *r)
32 if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature))
35 return ASN1_item_verify_ex(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
36 &a->signature, &a->cert_info,
37 a->distinguishing_id, r, a->libctx, a->propq);
40 int X509_REQ_verify_ex(X509_REQ *a, EVP_PKEY *r, OSSL_LIB_CTX *libctx,
43 return ASN1_item_verify_ex(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
44 a->signature, &a->req_info, a->distinguishing_id,
48 int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
50 return X509_REQ_verify_ex(a, r, NULL, NULL);
53 int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
55 return (ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC),
56 &a->sig_algor, a->signature, a->spkac, r));
59 int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
61 x->cert_info.enc.modified = 1;
62 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), &x->cert_info.signature,
63 &x->sig_alg, &x->signature, &x->cert_info, pkey,
67 int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
69 x->cert_info.enc.modified = 1;
70 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
71 &x->cert_info.signature,
72 &x->sig_alg, &x->signature, &x->cert_info, ctx);
75 static ASN1_VALUE *simple_get_asn1(const char *url, BIO *bio, BIO *rbio,
76 int timeout, const ASN1_ITEM *it)
78 return OSSL_HTTP_get_asn1(url, NULL, NULL /* no proxy used */, bio,
79 rbio, NULL /* no callback for SSL/TLS */, NULL,
80 NULL /* headers */, 1024 /* maxline */,
81 0 /* max_resp_len */, timeout,
82 NULL /* expected_content_type */, it);
85 X509 *X509_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
87 return (X509 *)simple_get_asn1(url, bio, rbio, timeout,
88 ASN1_ITEM_rptr(X509));
91 int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
93 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
94 x->signature, &x->req_info, pkey, md));
97 int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
99 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
100 &x->sig_alg, NULL, x->signature, &x->req_info,
104 int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
106 x->crl.enc.modified = 1;
107 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
108 &x->sig_alg, &x->signature, &x->crl, pkey, md));
111 int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
113 x->crl.enc.modified = 1;
114 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
115 &x->crl.sig_alg, &x->sig_alg, &x->signature,
119 X509_CRL *X509_CRL_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
121 return (X509_CRL *)simple_get_asn1(url, bio, rbio, timeout,
122 ASN1_ITEM_rptr(X509_CRL));
125 int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
127 return (ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
128 x->signature, x->spkac, pkey, md));
131 #ifndef OPENSSL_NO_STDIO
132 X509 *d2i_X509_fp(FILE *fp, X509 **x509)
134 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
137 int i2d_X509_fp(FILE *fp, const X509 *x509)
139 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
143 X509 *d2i_X509_bio(BIO *bp, X509 **x509)
145 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
148 int i2d_X509_bio(BIO *bp, const X509 *x509)
150 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
153 #ifndef OPENSSL_NO_STDIO
154 X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
156 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
159 int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
161 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
165 X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
167 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
170 int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
172 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
175 #ifndef OPENSSL_NO_STDIO
176 PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
180 ret = ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
181 if (ret != NULL && p7 != NULL)
182 pkcs7_resolve_libctx(ret);
186 int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
188 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
192 PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
196 ret = ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
197 if (ret != NULL && p7 != NULL)
198 pkcs7_resolve_libctx(ret);
202 int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
204 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
207 #ifndef OPENSSL_NO_STDIO
208 X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
210 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
213 int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
215 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
219 X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
221 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
224 int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
226 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
229 #ifndef OPENSSL_NO_RSA
231 # ifndef OPENSSL_NO_STDIO
232 RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
234 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
237 int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
239 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
242 RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
244 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
247 RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
249 return ASN1_d2i_fp((void *(*)(void))
250 RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
254 int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
256 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
259 int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
261 return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
265 RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
267 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
270 int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
272 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
275 RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
277 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
280 RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
282 return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
285 int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
287 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
290 int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
292 return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
296 #ifndef OPENSSL_NO_DSA
297 # ifndef OPENSSL_NO_STDIO
298 DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
300 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
303 int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
305 return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
308 DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
310 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
313 int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
315 return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
319 DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
321 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
324 int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
326 return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
329 DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
331 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
334 int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
336 return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
341 #ifndef OPENSSL_NO_EC
342 # ifndef OPENSSL_NO_STDIO
343 EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
345 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
348 int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
350 return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
353 EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
355 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
358 int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
360 return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
363 EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
365 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
368 int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
370 return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
373 EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
375 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
378 int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
380 return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
384 int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
385 unsigned char *md, unsigned int *len)
387 ASN1_BIT_STRING *key;
388 key = X509_get0_pubkey_bitstr(data);
391 return EVP_Digest(key->data, key->length, md, len, type, NULL);
394 int X509_digest(const X509 *cert, const EVP_MD *md, unsigned char *data,
397 if (EVP_MD_is_a(md, SN_sha1) && (cert->ex_flags & EXFLAG_SET) != 0
398 && (cert->ex_flags & EXFLAG_INVALID) == 0) {
399 /* Asking for SHA1 and we already computed it. */
401 *len = sizeof(cert->sha1_hash);
402 memcpy(data, cert->sha1_hash, sizeof(cert->sha1_hash));
405 return (asn1_item_digest_ex(ASN1_ITEM_rptr(X509), md, (char *)cert, data,
406 len, cert->libctx, cert->propq));
409 /* calculate cert digest using the same hash algorithm as in its signature */
410 ASN1_OCTET_STRING *X509_digest_sig(const X509 *cert)
413 unsigned char hash[EVP_MAX_MD_SIZE];
415 const EVP_MD *md = NULL;
416 ASN1_OCTET_STRING *new = NULL;
419 X509err(0, ERR_R_PASSED_NULL_PARAMETER);
423 if (!OBJ_find_sigid_algs(X509_get_signature_nid(cert), &md_NID, NULL)
424 || (md = EVP_get_digestbynid(md_NID)) == NULL) {
425 CMPerr(0, X509_R_UNSUPPORTED_ALGORITHM);
428 if (!X509_digest(cert, md, hash, &len)
429 || (new = ASN1_OCTET_STRING_new()) == NULL)
431 if (!(ASN1_OCTET_STRING_set(new, hash, len))) {
432 ASN1_OCTET_STRING_free(new);
438 int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
439 unsigned char *md, unsigned int *len)
441 if (type == EVP_sha1() && (data->flags & EXFLAG_SET) != 0
442 && (data->flags & EXFLAG_INVALID) == 0) {
443 /* Asking for SHA1; always computed in CRL d2i. */
445 *len = sizeof(data->sha1_hash);
446 memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
449 return (ASN1_item_digest
450 (ASN1_ITEM_rptr(X509_CRL), type, (char *)data, md, len));
453 int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
454 unsigned char *md, unsigned int *len)
456 return (ASN1_item_digest
457 (ASN1_ITEM_rptr(X509_REQ), type, (char *)data, md, len));
460 int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
461 unsigned char *md, unsigned int *len)
463 return (ASN1_item_digest
464 (ASN1_ITEM_rptr(X509_NAME), type, (char *)data, md, len));
467 int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
468 const EVP_MD *type, unsigned char *md,
471 return (ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
472 (char *)data, md, len));
475 #ifndef OPENSSL_NO_STDIO
476 X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
478 return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
481 int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
483 return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
487 X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
489 return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
492 int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
494 return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
497 #ifndef OPENSSL_NO_STDIO
498 X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
500 return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
504 int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
506 return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
510 X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
512 return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
516 int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
518 return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
521 #ifndef OPENSSL_NO_STDIO
522 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
523 PKCS8_PRIV_KEY_INFO **p8inf)
525 return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
526 d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
529 int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
531 return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
535 int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
537 PKCS8_PRIV_KEY_INFO *p8inf;
540 p8inf = EVP_PKEY2PKCS8(key);
543 ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
544 PKCS8_PRIV_KEY_INFO_free(p8inf);
548 int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
550 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
553 EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
555 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
558 EVP_PKEY *d2i_PrivateKey_ex_fp(FILE *fp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
564 if ((b = BIO_new(BIO_s_file())) == NULL) {
565 X509err(0, ERR_R_BUF_LIB);
568 BIO_set_fp(b, fp, BIO_NOCLOSE);
569 ret = d2i_PrivateKey_ex_bio(b, a, libctx, propq);
574 int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
576 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
579 EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
581 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
586 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
587 PKCS8_PRIV_KEY_INFO **p8inf)
589 return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
590 d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
593 int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
595 return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
599 int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
601 PKCS8_PRIV_KEY_INFO *p8inf;
604 p8inf = EVP_PKEY2PKCS8(key);
607 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
608 PKCS8_PRIV_KEY_INFO_free(p8inf);
612 int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
614 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
617 EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
619 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
622 EVP_PKEY *d2i_PrivateKey_ex_bio(BIO *bp, EVP_PKEY **a, OSSL_LIB_CTX *libctx,
626 const unsigned char *p;
630 len = asn1_d2i_read_bio(bp, &b);
634 p = (unsigned char *)b->data;
635 ret = d2i_AutoPrivateKey_ex(a, &p, len, libctx, propq);
641 int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
643 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
646 EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
648 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);