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 "internal/x509_int.h"
17 #include <openssl/ocsp.h>
18 #include <openssl/rsa.h>
19 #include <openssl/dsa.h>
20 #include <openssl/x509v3.h>
22 #ifndef OPENSSL_NO_SM2
24 # include "internal/asn1_int.h"
25 # include "internal/evp_int.h"
27 static int x509_verify_sm2(X509 *x, EVP_PKEY *pkey, int mdnid, int pknid)
29 EVP_MD_CTX *ctx = NULL;
30 unsigned char *buf_in = NULL;
31 int ret = -1, inl = 0;
33 EVP_PKEY_CTX *pctx = NULL;
34 const EVP_MD *type = EVP_get_digestbynid(mdnid);
37 X509err(X509_F_X509_VERIFY_SM2,
38 ASN1_R_UNKNOWN_MESSAGE_DIGEST_ALGORITHM);
43 X509err(X509_F_X509_VERIFY_SM2, ERR_R_PASSED_NULL_PARAMETER);
47 if (x->signature.type == V_ASN1_BIT_STRING && x->signature.flags & 0x7) {
48 X509err(X509_F_X509_VERIFY_SM2, ASN1_R_INVALID_BIT_STRING_BITS_LEFT);
52 ctx = EVP_MD_CTX_new();
54 X509err(X509_F_X509_VERIFY_SM2, ERR_R_MALLOC_FAILURE);
58 /* Check public key OID matches public key type */
59 if (EVP_PKEY_type(pknid) != pkey->ameth->pkey_id) {
60 X509err(X509_F_X509_VERIFY_SM2, ASN1_R_WRONG_PUBLIC_KEY_TYPE);
64 if (!EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2)) {
65 X509err(X509_F_X509_VERIFY_SM2, ERR_R_EVP_LIB);
69 pctx = EVP_PKEY_CTX_new(pkey, NULL);
71 X509err(X509_F_X509_VERIFY_SM2, ERR_R_EVP_LIB);
75 /* NOTE: we tolerate no actual ID, to provide maximum flexibility */
77 && EVP_PKEY_CTX_set1_id(pctx, x->sm2_id->data,
78 x->sm2_id->length) != 1) {
79 X509err(X509_F_X509_VERIFY_SM2, ERR_R_EVP_LIB);
83 EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
85 if (!EVP_DigestVerifyInit(ctx, NULL, type, NULL, pkey)) {
86 X509err(X509_F_X509_VERIFY_SM2, ERR_R_EVP_LIB);
91 inl = ASN1_item_i2d((ASN1_VALUE *)&x->cert_info, &buf_in,
92 ASN1_ITEM_rptr(X509_CINF));
94 X509err(X509_F_X509_VERIFY_SM2, ERR_R_INTERNAL_ERROR);
98 X509err(X509_F_X509_VERIFY_SM2, ERR_R_MALLOC_FAILURE);
103 ret = EVP_DigestVerify(ctx, x->signature.data,
104 (size_t)x->signature.length, buf_in, inl);
106 X509err(X509_F_X509_VERIFY_SM2, ERR_R_EVP_LIB);
111 OPENSSL_clear_free(buf_in, inll);
112 EVP_MD_CTX_free(ctx);
113 EVP_PKEY_CTX_free(pctx);
118 int X509_verify(X509 *a, EVP_PKEY *r)
120 #ifndef OPENSSL_NO_SM2
124 if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature))
127 #ifndef OPENSSL_NO_SM2
128 /* Convert signature OID into digest and public key OIDs */
129 if (!OBJ_find_sigid_algs(OBJ_obj2nid(a->sig_alg.algorithm),
131 X509err(X509_F_X509_VERIFY, ASN1_R_UNKNOWN_SIGNATURE_ALGORITHM);
135 if (pknid == NID_sm2)
136 return x509_verify_sm2(a, r, mdnid, pknid);
139 return (ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
140 &a->signature, &a->cert_info, r));
143 int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
145 return (ASN1_item_verify(ASN1_ITEM_rptr(X509_REQ_INFO),
146 &a->sig_alg, a->signature, &a->req_info, r));
149 int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
151 return (ASN1_item_verify(ASN1_ITEM_rptr(NETSCAPE_SPKAC),
152 &a->sig_algor, a->signature, a->spkac, r));
155 int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md)
157 x->cert_info.enc.modified = 1;
158 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CINF), &x->cert_info.signature,
159 &x->sig_alg, &x->signature, &x->cert_info, pkey,
163 int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx)
165 x->cert_info.enc.modified = 1;
166 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CINF),
167 &x->cert_info.signature,
168 &x->sig_alg, &x->signature, &x->cert_info, ctx);
171 #ifndef OPENSSL_NO_OCSP
172 int X509_http_nbio(OCSP_REQ_CTX *rctx, X509 **pcert)
174 return OCSP_REQ_CTX_nbio_d2i(rctx,
175 (ASN1_VALUE **)pcert, ASN1_ITEM_rptr(X509));
179 int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md)
181 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_REQ_INFO), &x->sig_alg, NULL,
182 x->signature, &x->req_info, pkey, md));
185 int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx)
187 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_REQ_INFO),
188 &x->sig_alg, NULL, x->signature, &x->req_info,
192 int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md)
194 x->crl.enc.modified = 1;
195 return (ASN1_item_sign(ASN1_ITEM_rptr(X509_CRL_INFO), &x->crl.sig_alg,
196 &x->sig_alg, &x->signature, &x->crl, pkey, md));
199 int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx)
201 x->crl.enc.modified = 1;
202 return ASN1_item_sign_ctx(ASN1_ITEM_rptr(X509_CRL_INFO),
203 &x->crl.sig_alg, &x->sig_alg, &x->signature,
207 #ifndef OPENSSL_NO_OCSP
208 int X509_CRL_http_nbio(OCSP_REQ_CTX *rctx, X509_CRL **pcrl)
210 return OCSP_REQ_CTX_nbio_d2i(rctx,
212 ASN1_ITEM_rptr(X509_CRL));
216 int NETSCAPE_SPKI_sign(NETSCAPE_SPKI *x, EVP_PKEY *pkey, const EVP_MD *md)
218 return (ASN1_item_sign(ASN1_ITEM_rptr(NETSCAPE_SPKAC), &x->sig_algor, NULL,
219 x->signature, x->spkac, pkey, md));
222 #ifndef OPENSSL_NO_STDIO
223 X509 *d2i_X509_fp(FILE *fp, X509 **x509)
225 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509), fp, x509);
228 int i2d_X509_fp(FILE *fp, const X509 *x509)
230 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509), fp, x509);
234 X509 *d2i_X509_bio(BIO *bp, X509 **x509)
236 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509), bp, x509);
239 int i2d_X509_bio(BIO *bp, const X509 *x509)
241 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509), bp, x509);
244 #ifndef OPENSSL_NO_STDIO
245 X509_CRL *d2i_X509_CRL_fp(FILE *fp, X509_CRL **crl)
247 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
250 int i2d_X509_CRL_fp(FILE *fp, const X509_CRL *crl)
252 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_CRL), fp, crl);
256 X509_CRL *d2i_X509_CRL_bio(BIO *bp, X509_CRL **crl)
258 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
261 int i2d_X509_CRL_bio(BIO *bp, const X509_CRL *crl)
263 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_CRL), bp, crl);
266 #ifndef OPENSSL_NO_STDIO
267 PKCS7 *d2i_PKCS7_fp(FILE *fp, PKCS7 **p7)
269 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
272 int i2d_PKCS7_fp(FILE *fp, const PKCS7 *p7)
274 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(PKCS7), fp, p7);
278 PKCS7 *d2i_PKCS7_bio(BIO *bp, PKCS7 **p7)
280 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
283 int i2d_PKCS7_bio(BIO *bp, const PKCS7 *p7)
285 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(PKCS7), bp, p7);
288 #ifndef OPENSSL_NO_STDIO
289 X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **req)
291 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
294 int i2d_X509_REQ_fp(FILE *fp, const X509_REQ *req)
296 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(X509_REQ), fp, req);
300 X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **req)
302 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
305 int i2d_X509_REQ_bio(BIO *bp, const X509_REQ *req)
307 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(X509_REQ), bp, req);
310 #ifndef OPENSSL_NO_RSA
312 # ifndef OPENSSL_NO_STDIO
313 RSA *d2i_RSAPrivateKey_fp(FILE *fp, RSA **rsa)
315 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
318 int i2d_RSAPrivateKey_fp(FILE *fp, const RSA *rsa)
320 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPrivateKey), fp, rsa);
323 RSA *d2i_RSAPublicKey_fp(FILE *fp, RSA **rsa)
325 return ASN1_item_d2i_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
328 RSA *d2i_RSA_PUBKEY_fp(FILE *fp, RSA **rsa)
330 return ASN1_d2i_fp((void *(*)(void))
331 RSA_new, (D2I_OF(void)) d2i_RSA_PUBKEY, fp,
335 int i2d_RSAPublicKey_fp(FILE *fp, const RSA *rsa)
337 return ASN1_item_i2d_fp(ASN1_ITEM_rptr(RSAPublicKey), fp, rsa);
340 int i2d_RSA_PUBKEY_fp(FILE *fp, const RSA *rsa)
342 return ASN1_i2d_fp((I2D_OF(void))i2d_RSA_PUBKEY, fp, rsa);
346 RSA *d2i_RSAPrivateKey_bio(BIO *bp, RSA **rsa)
348 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
351 int i2d_RSAPrivateKey_bio(BIO *bp, const RSA *rsa)
353 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPrivateKey), bp, rsa);
356 RSA *d2i_RSAPublicKey_bio(BIO *bp, RSA **rsa)
358 return ASN1_item_d2i_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
361 RSA *d2i_RSA_PUBKEY_bio(BIO *bp, RSA **rsa)
363 return ASN1_d2i_bio_of(RSA, RSA_new, d2i_RSA_PUBKEY, bp, rsa);
366 int i2d_RSAPublicKey_bio(BIO *bp, const RSA *rsa)
368 return ASN1_item_i2d_bio(ASN1_ITEM_rptr(RSAPublicKey), bp, rsa);
371 int i2d_RSA_PUBKEY_bio(BIO *bp, const RSA *rsa)
373 return ASN1_i2d_bio_of(RSA, i2d_RSA_PUBKEY, bp, rsa);
377 #ifndef OPENSSL_NO_DSA
378 # ifndef OPENSSL_NO_STDIO
379 DSA *d2i_DSAPrivateKey_fp(FILE *fp, DSA **dsa)
381 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSAPrivateKey, fp, dsa);
384 int i2d_DSAPrivateKey_fp(FILE *fp, const DSA *dsa)
386 return ASN1_i2d_fp_of(DSA, i2d_DSAPrivateKey, fp, dsa);
389 DSA *d2i_DSA_PUBKEY_fp(FILE *fp, DSA **dsa)
391 return ASN1_d2i_fp_of(DSA, DSA_new, d2i_DSA_PUBKEY, fp, dsa);
394 int i2d_DSA_PUBKEY_fp(FILE *fp, const DSA *dsa)
396 return ASN1_i2d_fp_of(DSA, i2d_DSA_PUBKEY, fp, dsa);
400 DSA *d2i_DSAPrivateKey_bio(BIO *bp, DSA **dsa)
402 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSAPrivateKey, bp, dsa);
405 int i2d_DSAPrivateKey_bio(BIO *bp, const DSA *dsa)
407 return ASN1_i2d_bio_of(DSA, i2d_DSAPrivateKey, bp, dsa);
410 DSA *d2i_DSA_PUBKEY_bio(BIO *bp, DSA **dsa)
412 return ASN1_d2i_bio_of(DSA, DSA_new, d2i_DSA_PUBKEY, bp, dsa);
415 int i2d_DSA_PUBKEY_bio(BIO *bp, const DSA *dsa)
417 return ASN1_i2d_bio_of(DSA, i2d_DSA_PUBKEY, bp, dsa);
422 #ifndef OPENSSL_NO_EC
423 # ifndef OPENSSL_NO_STDIO
424 EC_KEY *d2i_EC_PUBKEY_fp(FILE *fp, EC_KEY **eckey)
426 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, fp, eckey);
429 int i2d_EC_PUBKEY_fp(FILE *fp, const EC_KEY *eckey)
431 return ASN1_i2d_fp_of(EC_KEY, i2d_EC_PUBKEY, fp, eckey);
434 EC_KEY *d2i_ECPrivateKey_fp(FILE *fp, EC_KEY **eckey)
436 return ASN1_d2i_fp_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, fp, eckey);
439 int i2d_ECPrivateKey_fp(FILE *fp, const EC_KEY *eckey)
441 return ASN1_i2d_fp_of(EC_KEY, i2d_ECPrivateKey, fp, eckey);
444 EC_KEY *d2i_EC_PUBKEY_bio(BIO *bp, EC_KEY **eckey)
446 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_EC_PUBKEY, bp, eckey);
449 int i2d_EC_PUBKEY_bio(BIO *bp, const EC_KEY *ecdsa)
451 return ASN1_i2d_bio_of(EC_KEY, i2d_EC_PUBKEY, bp, ecdsa);
454 EC_KEY *d2i_ECPrivateKey_bio(BIO *bp, EC_KEY **eckey)
456 return ASN1_d2i_bio_of(EC_KEY, EC_KEY_new, d2i_ECPrivateKey, bp, eckey);
459 int i2d_ECPrivateKey_bio(BIO *bp, const EC_KEY *eckey)
461 return ASN1_i2d_bio_of(EC_KEY, i2d_ECPrivateKey, bp, eckey);
465 int X509_pubkey_digest(const X509 *data, const EVP_MD *type,
466 unsigned char *md, unsigned int *len)
468 ASN1_BIT_STRING *key;
469 key = X509_get0_pubkey_bitstr(data);
472 return EVP_Digest(key->data, key->length, md, len, type, NULL);
475 int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
478 if (type == EVP_sha1() && (data->ex_flags & EXFLAG_SET) != 0) {
479 /* Asking for SHA1 and we already computed it. */
481 *len = sizeof(data->sha1_hash);
482 memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
485 return (ASN1_item_digest
486 (ASN1_ITEM_rptr(X509), type, (char *)data, md, len));
489 int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
490 unsigned char *md, unsigned int *len)
492 if (type == EVP_sha1() && (data->flags & EXFLAG_SET) != 0) {
493 /* Asking for SHA1; always computed in CRL d2i. */
495 *len = sizeof(data->sha1_hash);
496 memcpy(md, data->sha1_hash, sizeof(data->sha1_hash));
499 return (ASN1_item_digest
500 (ASN1_ITEM_rptr(X509_CRL), type, (char *)data, md, len));
503 int X509_REQ_digest(const X509_REQ *data, const EVP_MD *type,
504 unsigned char *md, unsigned int *len)
506 return (ASN1_item_digest
507 (ASN1_ITEM_rptr(X509_REQ), type, (char *)data, md, len));
510 int X509_NAME_digest(const X509_NAME *data, const EVP_MD *type,
511 unsigned char *md, unsigned int *len)
513 return (ASN1_item_digest
514 (ASN1_ITEM_rptr(X509_NAME), type, (char *)data, md, len));
517 int PKCS7_ISSUER_AND_SERIAL_digest(PKCS7_ISSUER_AND_SERIAL *data,
518 const EVP_MD *type, unsigned char *md,
521 return (ASN1_item_digest(ASN1_ITEM_rptr(PKCS7_ISSUER_AND_SERIAL), type,
522 (char *)data, md, len));
525 #ifndef OPENSSL_NO_STDIO
526 X509_SIG *d2i_PKCS8_fp(FILE *fp, X509_SIG **p8)
528 return ASN1_d2i_fp_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, fp, p8);
531 int i2d_PKCS8_fp(FILE *fp, const X509_SIG *p8)
533 return ASN1_i2d_fp_of(X509_SIG, i2d_X509_SIG, fp, p8);
537 X509_SIG *d2i_PKCS8_bio(BIO *bp, X509_SIG **p8)
539 return ASN1_d2i_bio_of(X509_SIG, X509_SIG_new, d2i_X509_SIG, bp, p8);
542 int i2d_PKCS8_bio(BIO *bp, const X509_SIG *p8)
544 return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
547 #ifndef OPENSSL_NO_STDIO
548 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
549 PKCS8_PRIV_KEY_INFO **p8inf)
551 return ASN1_d2i_fp_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
552 d2i_PKCS8_PRIV_KEY_INFO, fp, p8inf);
555 int i2d_PKCS8_PRIV_KEY_INFO_fp(FILE *fp, const PKCS8_PRIV_KEY_INFO *p8inf)
557 return ASN1_i2d_fp_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, fp,
561 int i2d_PKCS8PrivateKeyInfo_fp(FILE *fp, const EVP_PKEY *key)
563 PKCS8_PRIV_KEY_INFO *p8inf;
565 p8inf = EVP_PKEY2PKCS8(key);
568 ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
569 PKCS8_PRIV_KEY_INFO_free(p8inf);
573 int i2d_PrivateKey_fp(FILE *fp, const EVP_PKEY *pkey)
575 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PrivateKey, fp, pkey);
578 EVP_PKEY *d2i_PrivateKey_fp(FILE *fp, EVP_PKEY **a)
580 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
583 int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
585 return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
588 EVP_PKEY *d2i_PUBKEY_fp(FILE *fp, EVP_PKEY **a)
590 return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, fp, a);
595 PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_bio(BIO *bp,
596 PKCS8_PRIV_KEY_INFO **p8inf)
598 return ASN1_d2i_bio_of(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO_new,
599 d2i_PKCS8_PRIV_KEY_INFO, bp, p8inf);
602 int i2d_PKCS8_PRIV_KEY_INFO_bio(BIO *bp, const PKCS8_PRIV_KEY_INFO *p8inf)
604 return ASN1_i2d_bio_of(PKCS8_PRIV_KEY_INFO, i2d_PKCS8_PRIV_KEY_INFO, bp,
608 int i2d_PKCS8PrivateKeyInfo_bio(BIO *bp, const EVP_PKEY *key)
610 PKCS8_PRIV_KEY_INFO *p8inf;
612 p8inf = EVP_PKEY2PKCS8(key);
615 ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
616 PKCS8_PRIV_KEY_INFO_free(p8inf);
620 int i2d_PrivateKey_bio(BIO *bp, const EVP_PKEY *pkey)
622 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PrivateKey, bp, pkey);
625 EVP_PKEY *d2i_PrivateKey_bio(BIO *bp, EVP_PKEY **a)
627 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
630 int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
632 return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
635 EVP_PKEY *d2i_PUBKEY_bio(BIO *bp, EVP_PKEY **a)
637 return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_PUBKEY, bp, a);