/*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* https://www.openssl.org/source/license.html
*/
+/*
+ * Low level APIs are deprecated for public use, but still ok for
+ * internal use.
+ */
+#include "internal/deprecated.h"
+
#include <stdio.h>
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/asn1.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
-#include "internal/x509_int.h"
-#include <openssl/ocsp.h>
+#include "crypto/x509.h"
+#include <openssl/http.h>
#include <openssl/rsa.h>
#include <openssl/dsa.h>
#include <openssl/x509v3.h>
+#include "crypto/asn1.h"
-int X509_verify(X509 *a, EVP_PKEY *r)
+static void clean_id_ctx(EVP_MD_CTX *ctx)
{
+ EVP_PKEY_CTX *pctx = EVP_MD_CTX_pkey_ctx(ctx);
+
+ EVP_PKEY_CTX_free(pctx);
+ EVP_MD_CTX_free(ctx);
+}
+
+static EVP_MD_CTX *make_id_ctx(EVP_PKEY *r, ASN1_OCTET_STRING *id,
+ OPENSSL_CTX *libctx, const char *propq)
+{
+ EVP_MD_CTX *ctx = NULL;
+ EVP_PKEY_CTX *pctx = NULL;
+
+ if ((ctx = EVP_MD_CTX_new()) == NULL
+ || (pctx = EVP_PKEY_CTX_new_from_pkey(libctx, r, propq)) == NULL) {
+ X509err(0, ERR_R_MALLOC_FAILURE);
+ goto error;
+ }
+
+#ifndef OPENSSL_NO_EC
+ if (id != NULL) {
+ if (EVP_PKEY_CTX_set1_id(pctx, id->data, id->length) <= 0) {
+ X509err(0, ERR_R_MALLOC_FAILURE);
+ goto error;
+ }
+ }
+#endif
+
+ EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
+
+ return ctx;
+ error:
+ EVP_PKEY_CTX_free(pctx);
+ EVP_MD_CTX_free(ctx);
+ return NULL;
+}
+
+int X509_verify_ex(X509 *a, EVP_PKEY *r, OPENSSL_CTX *libctx, const char *propq)
+{
+ int rv = 0;
+ EVP_MD_CTX *ctx = NULL;
+ ASN1_OCTET_STRING *id = NULL;
+
if (X509_ALGOR_cmp(&a->sig_alg, &a->cert_info.signature))
return 0;
- return (ASN1_item_verify(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
- &a->signature, &a->cert_info, r));
+
+ id = a->distinguishing_id;
+ if ((ctx = make_id_ctx(r, id, libctx, propq)) != NULL) {
+ rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_CINF), &a->sig_alg,
+ &a->signature, &a->cert_info, ctx);
+ clean_id_ctx(ctx);
+ }
+ return rv;
+}
+
+int X509_verify(X509 *a, EVP_PKEY *r)
+{
+ return X509_verify_ex(a, r, NULL, NULL);
+}
+
+int X509_REQ_verify_ex(X509_REQ *a, EVP_PKEY *r, OPENSSL_CTX *libctx,
+ const char *propq)
+{
+ int rv = 0;
+ EVP_MD_CTX *ctx = NULL;
+ ASN1_OCTET_STRING *id = NULL;
+
+ id = a->distinguishing_id;
+ if ((ctx = make_id_ctx(r, id, libctx, propq)) != NULL) {
+ rv = ASN1_item_verify_ctx(ASN1_ITEM_rptr(X509_REQ_INFO), &a->sig_alg,
+ a->signature, &a->req_info, ctx);
+ clean_id_ctx(ctx);
+ }
+ return rv;
}
int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r)
{
- return (ASN1_item_verify(ASN1_ITEM_rptr(X509_REQ_INFO),
- &a->sig_alg, a->signature, &a->req_info, r));
+ return X509_REQ_verify_ex(a, r, NULL, NULL);
}
int NETSCAPE_SPKI_verify(NETSCAPE_SPKI *a, EVP_PKEY *r)
&x->sig_alg, &x->signature, &x->cert_info, ctx);
}
-#ifndef OPENSSL_NO_OCSP
-int X509_http_nbio(OCSP_REQ_CTX *rctx, X509 **pcert)
+#if !defined(OPENSSL_NO_SOCK)
+static ASN1_VALUE *simple_get_asn1(const char *url, BIO *bio, BIO *rbio,
+ int timeout, const ASN1_ITEM *it)
{
- return OCSP_REQ_CTX_nbio_d2i(rctx,
- (ASN1_VALUE **)pcert, ASN1_ITEM_rptr(X509));
+ return OSSL_HTTP_get_asn1(url, NULL, NULL /* no proxy used */, bio,
+ rbio, NULL /* no callback for SSL/TLS */, NULL,
+ NULL /* headers */, 1024 /* maxline */,
+ 0 /* max_resp_len */, timeout,
+ NULL /* expected_content_type */, it);
+}
+
+X509 *X509_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
+{
+ return (X509 *)simple_get_asn1(url, bio, rbio, timeout,
+ ASN1_ITEM_rptr(X509));
}
#endif
&x->crl, ctx);
}
-#ifndef OPENSSL_NO_OCSP
-int X509_CRL_http_nbio(OCSP_REQ_CTX *rctx, X509_CRL **pcrl)
+#if !defined(OPENSSL_NO_SOCK)
+X509_CRL *X509_CRL_load_http(const char *url, BIO *bio, BIO *rbio, int timeout)
{
- return OCSP_REQ_CTX_nbio_d2i(rctx,
- (ASN1_VALUE **)pcrl,
- ASN1_ITEM_rptr(X509_CRL));
+ return (X509_CRL *)simple_get_asn1(url, bio, rbio, timeout,
+ ASN1_ITEM_rptr(X509_CRL));
}
#endif
int X509_digest(const X509 *data, const EVP_MD *type, unsigned char *md,
unsigned int *len)
{
- if (type == EVP_sha1() && (data->ex_flags & EXFLAG_SET) != 0) {
+ if (type == EVP_sha1() && (data->ex_flags & EXFLAG_SET) != 0
+ && (data->ex_flags & EXFLAG_INVALID) == 0) {
/* Asking for SHA1 and we already computed it. */
if (len != NULL)
*len = sizeof(data->sha1_hash);
(ASN1_ITEM_rptr(X509), type, (char *)data, md, len));
}
+/* calculate cert digest using the same hash algorithm as in its signature */
+ASN1_OCTET_STRING *X509_digest_sig(const X509 *cert)
+{
+ unsigned int len;
+ unsigned char hash[EVP_MAX_MD_SIZE];
+ int md_NID;
+ const EVP_MD *md = NULL;
+ ASN1_OCTET_STRING *new = NULL;
+
+ if (cert == NULL) {
+ X509err(0, ERR_R_PASSED_NULL_PARAMETER);
+ return NULL;
+ }
+
+ if (!OBJ_find_sigid_algs(X509_get_signature_nid(cert), &md_NID, NULL)
+ || (md = EVP_get_digestbynid(md_NID)) == NULL) {
+ CMPerr(0, X509_R_UNSUPPORTED_ALGORITHM);
+ return NULL;
+ }
+ if (!X509_digest(cert, md, hash, &len)
+ || (new = ASN1_OCTET_STRING_new()) == NULL)
+ return NULL;
+ if (!(ASN1_OCTET_STRING_set(new, hash, len))) {
+ ASN1_OCTET_STRING_free(new);
+ return NULL;
+ }
+ return new;
+}
+
int X509_CRL_digest(const X509_CRL *data, const EVP_MD *type,
unsigned char *md, unsigned int *len)
{
- if (type == EVP_sha1() && (data->flags & EXFLAG_SET) != 0) {
+ if (type == EVP_sha1() && (data->flags & EXFLAG_SET) != 0
+ && (data->flags & EXFLAG_INVALID) == 0) {
/* Asking for SHA1; always computed in CRL d2i. */
if (len != NULL)
*len = sizeof(data->sha1_hash);
return ASN1_i2d_bio_of(X509_SIG, i2d_X509_SIG, bp, p8);
}
+#ifndef OPENSSL_NO_STDIO
+X509_PUBKEY *d2i_X509_PUBKEY_fp(FILE *fp, X509_PUBKEY **xpk)
+{
+ return ASN1_d2i_fp_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
+ fp, xpk);
+}
+
+int i2d_X509_PUBKEY_fp(FILE *fp, const X509_PUBKEY *xpk)
+{
+ return ASN1_i2d_fp_of(X509_PUBKEY, i2d_X509_PUBKEY, fp, xpk);
+}
+#endif
+
+X509_PUBKEY *d2i_X509_PUBKEY_bio(BIO *bp, X509_PUBKEY **xpk)
+{
+ return ASN1_d2i_bio_of(X509_PUBKEY, X509_PUBKEY_new, d2i_X509_PUBKEY,
+ bp, xpk);
+}
+
+int i2d_X509_PUBKEY_bio(BIO *bp, const X509_PUBKEY *xpk)
+{
+ return ASN1_i2d_bio_of(X509_PUBKEY, i2d_X509_PUBKEY, bp, xpk);
+}
+
#ifndef OPENSSL_NO_STDIO
PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO_fp(FILE *fp,
PKCS8_PRIV_KEY_INFO **p8inf)
{
PKCS8_PRIV_KEY_INFO *p8inf;
int ret;
+
p8inf = EVP_PKEY2PKCS8(key);
- if (!p8inf)
+ if (p8inf == NULL)
return 0;
ret = i2d_PKCS8_PRIV_KEY_INFO_fp(fp, p8inf);
PKCS8_PRIV_KEY_INFO_free(p8inf);
return ASN1_d2i_fp_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, fp, a);
}
+EVP_PKEY *d2i_PrivateKey_ex_fp(FILE *fp, EVP_PKEY **a, OPENSSL_CTX *libctx,
+ const char *propq)
+{
+ BIO *b;
+ void *ret;
+
+ if ((b = BIO_new(BIO_s_file())) == NULL) {
+ X509err(0, ERR_R_BUF_LIB);
+ return NULL;
+ }
+ BIO_set_fp(b, fp, BIO_NOCLOSE);
+ ret = d2i_PrivateKey_ex_bio(b, a, libctx, propq);
+ BIO_free(b);
+ return ret;
+}
+
int i2d_PUBKEY_fp(FILE *fp, const EVP_PKEY *pkey)
{
return ASN1_i2d_fp_of(EVP_PKEY, i2d_PUBKEY, fp, pkey);
{
PKCS8_PRIV_KEY_INFO *p8inf;
int ret;
+
p8inf = EVP_PKEY2PKCS8(key);
- if (!p8inf)
+ if (p8inf == NULL)
return 0;
ret = i2d_PKCS8_PRIV_KEY_INFO_bio(bp, p8inf);
PKCS8_PRIV_KEY_INFO_free(p8inf);
return ASN1_d2i_bio_of(EVP_PKEY, EVP_PKEY_new, d2i_AutoPrivateKey, bp, a);
}
+EVP_PKEY *d2i_PrivateKey_ex_bio(BIO *bp, EVP_PKEY **a, OPENSSL_CTX *libctx,
+ const char *propq)
+{
+ BUF_MEM *b = NULL;
+ const unsigned char *p;
+ void *ret = NULL;
+ int len;
+
+ len = asn1_d2i_read_bio(bp, &b);
+ if (len < 0)
+ goto err;
+
+ p = (unsigned char *)b->data;
+ ret = d2i_AutoPrivateKey_ex(a, &p, len, libctx, propq);
+ err:
+ BUF_MEM_free(b);
+ return ret;
+}
+
int i2d_PUBKEY_bio(BIO *bp, const EVP_PKEY *pkey)
{
return ASN1_i2d_bio_of(EVP_PKEY, i2d_PUBKEY, bp, pkey);
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