-/* crypto/asn1/a_digest.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+/* We need to use some engine deprecated APIs */
+#define OPENSSL_SUPPRESS_DEPRECATED
+
#include <stdio.h>
#include <time.h>
+#include <sys/types.h>
-#include "cryptlib.h"
-
-#ifndef NO_SYS_TYPES_H
-# include <sys/types.h>
-#endif
+#include "internal/cryptlib.h"
+#include <openssl/engine.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/buffer.h>
#include <openssl/x509.h>
+#include "crypto/x509.h"
-#ifndef NO_ASN1_OLD
+#ifndef OPENSSL_NO_DEPRECATED_3_0
int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
unsigned char *md, unsigned int *len)
{
- int i;
+ int inl;
unsigned char *str, *p;
- i = i2d(data, NULL);
- if ((str = OPENSSL_malloc(i)) == NULL) {
+ inl = i2d(data, NULL);
+ if (inl <= 0) {
+ ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+ if ((str = OPENSSL_malloc(inl)) == NULL) {
ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_MALLOC_FAILURE);
- return (0);
+ return 0;
}
p = str;
i2d(data, &p);
- if (!EVP_Digest(str, i, md, len, type, NULL))
+ if (!EVP_Digest(str, inl, md, len, type, NULL)) {
+ OPENSSL_free(str);
return 0;
+ }
OPENSSL_free(str);
- return (1);
+ return 1;
}
#endif
-int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *type, void *asn,
- unsigned char *md, unsigned int *len)
+int asn1_item_digest_with_libctx(const ASN1_ITEM *it, const EVP_MD *md,
+ void *asn, unsigned char *data,
+ unsigned int *len, OPENSSL_CTX *libctx,
+ const char *propq)
{
- int i;
+ int i, ret = 0;
unsigned char *str = NULL;
+ EVP_MD *fetched_md = (EVP_MD *)md;
i = ASN1_item_i2d(asn, &str, it);
- if (!str)
- return (0);
-
- if (!EVP_Digest(str, i, md, len, type, NULL))
+ if (str == NULL)
return 0;
+
+ if (EVP_MD_provider(md) == NULL) {
+#if !defined(OPENSSL_NO_ENGINE)
+ if (ENGINE_get_digest_engine(EVP_MD_type(md)) == NULL)
+#endif
+ fetched_md = EVP_MD_fetch(libctx, EVP_MD_name(md), propq);
+ }
+ if (fetched_md == NULL)
+ goto err;
+
+ ret = EVP_Digest(str, i, data, len, fetched_md, NULL);
+err:
OPENSSL_free(str);
- return (1);
+ if (fetched_md != md)
+ EVP_MD_free(fetched_md);
+ return ret;
}
+
+int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *md, void *asn,
+ unsigned char *data, unsigned int *len)
+{
+ return asn1_item_digest_with_libctx(it, md, asn, data, len, NULL, NULL);
+}
+
projects / openssl.git / blobdiff