-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2021 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
*/
#include <stdio.h>
#include "internal/cryptlib.h"
+#include "internal/provider.h"
#include <openssl/rand.h>
-#ifndef OPENSSL_NO_RSA
-# include <openssl/rsa.h>
-#endif
+#include <openssl/rsa.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
EVP_PKEY **pubk, int npubk)
{
unsigned char key[EVP_MAX_KEY_LENGTH];
- int i;
+ const OSSL_PROVIDER *prov;
+ OSSL_LIB_CTX *libctx = NULL;
+ EVP_PKEY_CTX *pctx = NULL;
+ const EVP_CIPHER *cipher;
+ int i, len;
+ int rv = 0;
- if (type) {
+ if (type != NULL) {
EVP_CIPHER_CTX_reset(ctx);
if (!EVP_EncryptInit_ex(ctx, type, NULL, NULL, NULL))
return 0;
}
+ if ((cipher = EVP_CIPHER_CTX_get0_cipher(ctx)) != NULL
+ && (prov = EVP_CIPHER_get0_provider(cipher)) != NULL)
+ libctx = ossl_provider_libctx(prov);
if ((npubk <= 0) || !pubk)
return 1;
+
if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
return 0;
- if (EVP_CIPHER_CTX_iv_length(ctx)
- && RAND_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx)) <= 0)
- return 0;
+
+ len = EVP_CIPHER_CTX_get_iv_length(ctx);
+ if (len < 0 || RAND_priv_bytes_ex(libctx, iv, len, 0) <= 0)
+ goto err;
+
+ len = EVP_CIPHER_CTX_get_key_length(ctx);
+ if (len < 0)
+ goto err;
if (!EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv))
- return 0;
+ goto err;
for (i = 0; i < npubk; i++) {
- ekl[i] =
- EVP_PKEY_encrypt_old(ek[i], key, EVP_CIPHER_CTX_key_length(ctx),
- pubk[i]);
- if (ekl[i] <= 0)
- return (-1);
- }
- return (npubk);
-}
+ size_t keylen = len;
-/*- MACRO
-void EVP_SealUpdate(ctx,out,outl,in,inl)
-EVP_CIPHER_CTX *ctx;
-unsigned char *out;
-int *outl;
-unsigned char *in;
-int inl;
- {
- EVP_EncryptUpdate(ctx,out,outl,in,inl);
+ pctx = EVP_PKEY_CTX_new_from_pkey(libctx, pubk[i], NULL);
+ if (pctx == NULL) {
+ ERR_raise(ERR_LIB_EVP, ERR_R_EVP_LIB);
+ goto err;
}
-*/
+
+ if (EVP_PKEY_encrypt_init(pctx) <= 0
+ || EVP_PKEY_encrypt(pctx, ek[i], &keylen, key, keylen) <= 0)
+ goto err;
+ ekl[i] = (int)keylen;
+ EVP_PKEY_CTX_free(pctx);
+ }
+ pctx = NULL;
+ rv = npubk;
+err:
+ EVP_PKEY_CTX_free(pctx);
+ OPENSSL_cleanse(key, sizeof(key));
+ return rv;
+}
int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
{
projects / openssl.git / blobdiff