2 * Copyright 1995-2017 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 "crypto/x509.h"
23 #include <openssl/ocsp.h>
24 #include <openssl/rsa.h>
25 #include <openssl/dsa.h>
26 #include <openssl/x509v3.h>
28 static void clean_id_ctx(EVP_MD_CTX *ctx)
30 EVP_PKEY_CTX *pctx = EVP_MD_CTX_pkey_ctx(ctx);
32 EVP_PKEY_CTX_free(pctx);
36 static EVP_MD_CTX *make_id_ctx(EVP_PKEY *r, ASN1_OCTET_STRING *id)
38 EVP_MD_CTX *ctx = NULL;
39 EVP_PKEY_CTX *pctx = NULL;
41 if ((ctx = EVP_MD_CTX_new()) == NULL
42 || (pctx = EVP_PKEY_CTX_new(r, NULL)) == NULL) {
43 X509err(0, ERR_R_MALLOC_FAILURE);
49 if (EVP_PKEY_CTX_set1_id(pctx, id->data, id->length) <= 0) {
50 X509err(0, ERR_R_MALLOC_FAILURE);
56 EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
60 EVP_PKEY_CTX_free(pctx);
65 int X509_verify(X509 *a, EVP_PKEY *r)
68 EVP_MD_CTX *ctx = NULL;
69 ASN1_OCTET_STRING *id = NULL;
71 if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature))
74 #ifndef OPENSSL_NO_SM2
78 if ((ctx = make_id_ctx(r, id)) != NULL) {
79 rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
80 &a->signature, &a->cert_info, ctx);
86 int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
89 EVP_MD_CTX *ctx = NULL;
90 ASN1_OCTET_STRING *id = NULL;
92 #ifndef OPENSSL_NO_SM2
96 if ((ctx = make_id_ctx(r, id)) != NULL) {
97 rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
98 a->signature, &a->req_info, ctx);
104 int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
106 return (ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC),
107 &a->sig_algor, a->signature, a->spkac, r));
110 int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
112 x->cert_info.enc.modified = 1;
113 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), &x->cert_info.signature,
114 &x->sig_alg, &x->signature, &x->cert_info, pkey,
118 int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
120 x->cert_info.enc.modified = 1;
121 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
122 &x->cert_info.signature,
123 &x->sig_alg, &x->signature, &x->cert_info, ctx);
126 #ifndef OPENSSL_NO_OCSP
127 int X509_http_nbio(OCSP_REQ_CTX *rctx, X509 **pcert)
129 return OCSP_REQ_CTX_nbio_d2i(rctx,
130 (ASN1_VALUE **)pcert, ASN1_ITEM_rptr(X509));
134 int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
136 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
137 x->signature, &x->req_info, pkey, md));
140 int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
142 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
143 &x->sig_alg, NULL, x->signature, &x->req_info,
147 int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
149 x->crl.enc.modified = 1;
150 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
151 &x->sig_alg, &x->signature, &x->crl, pkey, md));
154 int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
156 x->crl.enc.modified = 1;
157 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
158 &x->crl.sig_alg, &x->sig_alg, &x->signature,
162 #ifndef OPENSSL_NO_OCSP
163 int X509_CRL_http_nbio(OCSP_REQ_CTX *rctx, X509_CRL **pcrl)
165 return OCSP_REQ_CTX_nbio_d2i(rctx,
167 ASN1_ITEM_rptr(X509_CRL));
171 int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
173 return (ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
174 x->signature, x->spkac, pkey, md));
177 #ifndef OPENSSL_NO_STDIO
178 X509 *d2i_X509_fp(FILE *fp, X509 **x509)
180 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
183 int i2d_X509_fp(FILE *fp, const X509 *x509)
185 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
189 X509 *d2i_X509_bio(BIO *bp, X509 **x509)
191 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
194 int i2d_X509_bio(BIO *bp, const X509 *x509)
196 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
199 #ifndef OPENSSL_NO_STDIO
200 X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
202 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
205 int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
207 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
211 X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
213 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
216 int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
218 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
221 #ifndef OPENSSL_NO_STDIO
222 PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
224 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
227 int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
229 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
233 PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
235 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
238 int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
240 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
243 #ifndef OPENSSL_NO_STDIO
244 X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
246 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
249 int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
251 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
255 X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
257 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
260 int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
262 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
265 #ifndef OPENSSL_NO_RSA
267 # ifndef OPENSSL_NO_STDIO
268 RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
270 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
273 int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
275 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
278 RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
280 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
283 RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
285 return ASN1_d2i_fp((void *(*)(void))
286 RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
290 int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
292 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
295 int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
297 return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
301 RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
303 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
306 int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
308 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
311 RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
313 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
316 RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
318 return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
321 int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
323 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
326 int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
328 return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
332 #ifndef OPENSSL_NO_DSA
333 # ifndef OPENSSL_NO_STDIO
334 DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
336 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
339 int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
341 return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
344 DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
346 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
349 int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
351 return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
355 DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
357 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
360 int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
362 return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
365 DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
367 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
370 int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
372 return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
377 #ifndef OPENSSL_NO_EC
378 # ifndef OPENSSL_NO_STDIO
379 EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
381 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
384 int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
386 return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
389 EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
391 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
394 int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
396 return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
399 EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
401 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
404 int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
406 return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
409 EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
411 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
414 int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
416 return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
420 int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
421 unsigned char *md, unsigned int *len)
423 ASN1_BIT_STRING *key;
424 key = X509_get0_pubkey_bitstr(data);
427 return EVP_Digest(key->data, key->length, md, len, type, NULL);
430 int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
433 if (type == EVP_sha1() && (data->ex_flags & EXFLAG_SET) != 0) {
434 /* Asking for SHA1 and we already computed it. */
436 *len = sizeof(data->sha1_hash);
437 memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
440 return (ASN1_item_digest
441 (ASN1_ITEM_rptr(X509), type, (char *)data, md, len));
444 int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
445 unsigned char *md, unsigned int *len)
447 if (type == EVP_sha1() && (data->flags & EXFLAG_SET) != 0) {
448 /* Asking for SHA1; always computed in CRL d2i. */
450 *len = sizeof(data->sha1_hash);
451 memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
454 return (ASN1_item_digest
455 (ASN1_ITEM_rptr(X509_CRL), type, (char *)data, md, len));
458 int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
459 unsigned char *md, unsigned int *len)
461 return (ASN1_item_digest
462 (ASN1_ITEM_rptr(X509_REQ), type, (char *)data, md, len));
465 int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
466 unsigned char *md, unsigned int *len)
468 return (ASN1_item_digest
469 (ASN1_ITEM_rptr(X509_NAME), type, (char *)data, md, len));
472 int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
473 const EVP_MD *type, unsigned char *md,
476 return (ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
477 (char *)data, md, len));
480 #ifndef OPENSSL_NO_STDIO
481 X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
483 return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
486 int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
488 return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
492 X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
494 return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
497 int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
499 return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
502 #ifndef OPENSSL_NO_STDIO
503 X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
505 return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
509 int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
511 return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
515 X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
517 return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
521 int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
523 return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
526 #ifndef OPENSSL_NO_STDIO
527 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
528 PKCS8_PRIV_KEY_INFO **p8inf)
530 return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
531 d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
534 int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
536 return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
540 int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
542 PKCS8_PRIV_KEY_INFO *p8inf;
545 p8inf = EVP_PKEY2PKCS8(key);
548 ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
549 PKCS8_PRIV_KEY_INFO_free(p8inf);
553 int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
555 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
558 EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
560 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
563 int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
565 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
568 EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
570 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
575 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
576 PKCS8_PRIV_KEY_INFO **p8inf)
578 return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
579 d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
582 int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
584 return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
588 int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
590 PKCS8_PRIV_KEY_INFO *p8inf;
593 p8inf = EVP_PKEY2PKCS8(key);
596 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
597 PKCS8_PRIV_KEY_INFO_free(p8inf);
601 int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
603 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
606 EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
608 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
611 int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
613 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
616 EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
618 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);