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 #include "internal/cryptlib.h"
12 #include <openssl/buffer.h>
13 #include <openssl/asn1.h>
14 #include <openssl/evp.h>
15 #include <openssl/x509.h>
16 #include "crypto/x509.h"
17 #include <openssl/ocsp.h>
18 #include <openssl/rsa.h>
19 #include <openssl/dsa.h>
20 #include <openssl/x509v3.h>
22 static void clean_id_ctx(EVP_MD_CTX *ctx)
24 EVP_PKEY_CTX *pctx = EVP_MD_CTX_pkey_ctx(ctx);
26 EVP_PKEY_CTX_free(pctx);
30 static EVP_MD_CTX *make_id_ctx(EVP_PKEY *r, ASN1_OCTET_STRING *id)
32 EVP_MD_CTX *ctx = NULL;
33 EVP_PKEY_CTX *pctx = NULL;
35 if ((ctx = EVP_MD_CTX_new()) == NULL
36 || (pctx = EVP_PKEY_CTX_new(r, NULL)) == NULL) {
37 X509err(0, ERR_R_MALLOC_FAILURE);
42 if (EVP_PKEY_CTX_set1_id(pctx, id->data, id->length) <= 0) {
43 X509err(0, ERR_R_MALLOC_FAILURE);
48 EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
52 EVP_PKEY_CTX_free(pctx);
57 int X509_verify(X509 *a, EVP_PKEY *r)
60 EVP_MD_CTX *ctx = NULL;
61 ASN1_OCTET_STRING *id = NULL;
63 if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature))
66 #ifndef OPENSSL_NO_SM2
70 if ((ctx = make_id_ctx(r, id)) != NULL) {
71 rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
72 &a->signature, &a->cert_info, ctx);
78 int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
81 EVP_MD_CTX *ctx = NULL;
82 ASN1_OCTET_STRING *id = NULL;
84 #ifndef OPENSSL_NO_SM2
88 if ((ctx = make_id_ctx(r, id)) != NULL) {
89 rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
90 a->signature, &a->req_info, ctx);
96 int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
98 return (ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC),
99 &a->sig_algor, a->signature, a->spkac, r));
102 int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
104 x->cert_info.enc.modified = 1;
105 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), &x->cert_info.signature,
106 &x->sig_alg, &x->signature, &x->cert_info, pkey,
110 int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
112 x->cert_info.enc.modified = 1;
113 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
114 &x->cert_info.signature,
115 &x->sig_alg, &x->signature, &x->cert_info, ctx);
118 #ifndef OPENSSL_NO_OCSP
119 int X509_http_nbio(OCSP_REQ_CTX *rctx, X509 **pcert)
121 return OCSP_REQ_CTX_nbio_d2i(rctx,
122 (ASN1_VALUE **)pcert, ASN1_ITEM_rptr(X509));
126 int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
128 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
129 x->signature, &x->req_info, pkey, md));
132 int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
134 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
135 &x->sig_alg, NULL, x->signature, &x->req_info,
139 int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
141 x->crl.enc.modified = 1;
142 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
143 &x->sig_alg, &x->signature, &x->crl, pkey, md));
146 int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
148 x->crl.enc.modified = 1;
149 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
150 &x->crl.sig_alg, &x->sig_alg, &x->signature,
154 #ifndef OPENSSL_NO_OCSP
155 int X509_CRL_http_nbio(OCSP_REQ_CTX *rctx, X509_CRL **pcrl)
157 return OCSP_REQ_CTX_nbio_d2i(rctx,
159 ASN1_ITEM_rptr(X509_CRL));
163 int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
165 return (ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
166 x->signature, x->spkac, pkey, md));
169 #ifndef OPENSSL_NO_STDIO
170 X509 *d2i_X509_fp(FILE *fp, X509 **x509)
172 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
175 int i2d_X509_fp(FILE *fp, const X509 *x509)
177 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
181 X509 *d2i_X509_bio(BIO *bp, X509 **x509)
183 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
186 int i2d_X509_bio(BIO *bp, const X509 *x509)
188 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
191 #ifndef OPENSSL_NO_STDIO
192 X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
194 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
197 int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
199 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
203 X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
205 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
208 int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
210 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
213 #ifndef OPENSSL_NO_STDIO
214 PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
216 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
219 int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
221 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
225 PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
227 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
230 int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
232 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
235 #ifndef OPENSSL_NO_STDIO
236 X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
238 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
241 int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
243 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
247 X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
249 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
252 int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
254 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
257 #ifndef OPENSSL_NO_RSA
259 # ifndef OPENSSL_NO_STDIO
260 RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
262 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
265 int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
267 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
270 RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
272 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
275 RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
277 return ASN1_d2i_fp((void *(*)(void))
278 RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
282 int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
284 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
287 int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
289 return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
293 RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
295 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
298 int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
300 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
303 RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
305 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
308 RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
310 return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
313 int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
315 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
318 int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
320 return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
324 #ifndef OPENSSL_NO_DSA
325 # ifndef OPENSSL_NO_STDIO
326 DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
328 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
331 int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
333 return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
336 DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
338 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
341 int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
343 return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
347 DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
349 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
352 int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
354 return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
357 DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
359 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
362 int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
364 return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
369 #ifndef OPENSSL_NO_EC
370 # ifndef OPENSSL_NO_STDIO
371 EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
373 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
376 int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
378 return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
381 EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
383 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
386 int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
388 return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
391 EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
393 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
396 int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
398 return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
401 EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
403 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
406 int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
408 return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
412 int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
413 unsigned char *md, unsigned int *len)
415 ASN1_BIT_STRING *key;
416 key = X509_get0_pubkey_bitstr(data);
419 return EVP_Digest(key->data, key->length, md, len, type, NULL);
422 int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
425 if (type == EVP_sha1() && (data->ex_flags & EXFLAG_SET) != 0) {
426 /* Asking for SHA1 and we already computed it. */
428 *len = sizeof(data->sha1_hash);
429 memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
432 return (ASN1_item_digest
433 (ASN1_ITEM_rptr(X509), type, (char *)data, md, len));
436 int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
437 unsigned char *md, unsigned int *len)
439 if (type == EVP_sha1() && (data->flags & EXFLAG_SET) != 0) {
440 /* Asking for SHA1; always computed in CRL d2i. */
442 *len = sizeof(data->sha1_hash);
443 memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
446 return (ASN1_item_digest
447 (ASN1_ITEM_rptr(X509_CRL), type, (char *)data, md, len));
450 int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
451 unsigned char *md, unsigned int *len)
453 return (ASN1_item_digest
454 (ASN1_ITEM_rptr(X509_REQ), type, (char *)data, md, len));
457 int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
458 unsigned char *md, unsigned int *len)
460 return (ASN1_item_digest
461 (ASN1_ITEM_rptr(X509_NAME), type, (char *)data, md, len));
464 int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
465 const EVP_MD *type, unsigned char *md,
468 return (ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
469 (char *)data, md, len));
472 #ifndef OPENSSL_NO_STDIO
473 X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
475 return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
478 int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
480 return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
484 X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
486 return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
489 int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
491 return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
494 #ifndef OPENSSL_NO_STDIO
495 X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
497 return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
501 int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
503 return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
507 X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
509 return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
513 int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
515 return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
518 #ifndef OPENSSL_NO_STDIO
519 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
520 PKCS8_PRIV_KEY_INFO **p8inf)
522 return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
523 d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
526 int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
528 return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
532 int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
534 PKCS8_PRIV_KEY_INFO *p8inf;
537 p8inf = EVP_PKEY2PKCS8(key);
540 ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
541 PKCS8_PRIV_KEY_INFO_free(p8inf);
545 int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
547 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
550 EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
552 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
555 int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
557 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
560 EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
562 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
567 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
568 PKCS8_PRIV_KEY_INFO **p8inf)
570 return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
571 d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
574 int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
576 return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
580 int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
582 PKCS8_PRIV_KEY_INFO *p8inf;
585 p8inf = EVP_PKEY2PKCS8(key);
588 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
589 PKCS8_PRIV_KEY_INFO_free(p8inf);
593 int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
595 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
598 EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
600 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
603 int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
605 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
608 EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
610 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);