-/* crypto/asn1/a_sign.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * 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.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved.
- *
- * 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 above 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 acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED 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 OpenSSL PROJECT OR
- * ITS 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.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 1995-2016 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
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#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/bn.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/objects.h>
#include <openssl/buffer.h>
-#include "internal/asn1_int.h"
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
#ifndef NO_ASN1_OLD
ASN1_BIT_STRING *signature, char *data, EVP_PKEY *pkey,
const EVP_MD *type)
{
- EVP_MD_CTX ctx;
+ EVP_MD_CTX *ctx = EVP_MD_CTX_new();
unsigned char *p, *buf_in = NULL, *buf_out = NULL;
- int i, inl = 0, outl = 0, outll = 0;
+ int i, inl = 0, outl = 0;
+ size_t inll = 0, outll = 0;
X509_ALGOR *a;
- EVP_MD_CTX_init(&ctx);
+ if (ctx == NULL) {
+ ASN1err(ASN1_F_ASN1_SIGN, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
for (i = 0; i < 2; i++) {
if (i == 0)
a = algor1;
}
}
inl = i2d(data, NULL);
- buf_in = (unsigned char *)OPENSSL_malloc((unsigned int)inl);
+ if (inl <= 0) {
+ ASN1err(ASN1_F_ASN1_SIGN, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ inll = (size_t)inl;
+ buf_in = OPENSSL_malloc(inll);
outll = outl = EVP_PKEY_size(pkey);
- buf_out = (unsigned char *)OPENSSL_malloc((unsigned int)outl);
- if ((buf_in == NULL) || (buf_out == NULL)) {
+ buf_out = OPENSSL_malloc(outll);
+ if (buf_in == NULL || buf_out == NULL) {
outl = 0;
ASN1err(ASN1_F_ASN1_SIGN, ERR_R_MALLOC_FAILURE);
goto err;
p = buf_in;
i2d(data, &p);
- if (!EVP_SignInit_ex(&ctx, type, NULL)
- || !EVP_SignUpdate(&ctx, (unsigned char *)buf_in, inl)
- || !EVP_SignFinal(&ctx, (unsigned char *)buf_out,
+ if (!EVP_SignInit_ex(ctx, type, NULL)
+ || !EVP_SignUpdate(ctx, (unsigned char *)buf_in, inl)
+ || !EVP_SignFinal(ctx, (unsigned char *)buf_out,
(unsigned int *)&outl, pkey)) {
outl = 0;
ASN1err(ASN1_F_ASN1_SIGN, ERR_R_EVP_LIB);
goto err;
}
- if (signature->data != NULL)
- OPENSSL_free(signature->data);
+ OPENSSL_free(signature->data);
signature->data = buf_out;
buf_out = NULL;
signature->length = outl;
signature->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
signature->flags |= ASN1_STRING_FLAG_BITS_LEFT;
err:
- EVP_MD_CTX_cleanup(&ctx);
- if (buf_in != NULL) {
- OPENSSL_cleanse((char *)buf_in, (unsigned int)inl);
- OPENSSL_free(buf_in);
- }
- if (buf_out != NULL) {
- OPENSSL_cleanse((char *)buf_out, outll);
- OPENSSL_free(buf_out);
- }
- return (outl);
+ EVP_MD_CTX_free(ctx);
+ OPENSSL_clear_free((char *)buf_in, inll);
+ OPENSSL_clear_free((char *)buf_out, outll);
+ return outl;
}
#endif
X509_ALGOR *algor2, ASN1_BIT_STRING *signature, void *asn,
EVP_PKEY *pkey, const EVP_MD *type)
{
- EVP_MD_CTX ctx;
- EVP_MD_CTX_init(&ctx);
- if (!EVP_DigestSignInit(&ctx, NULL, type, NULL, pkey)) {
- EVP_MD_CTX_cleanup(&ctx);
+ int rv;
+ EVP_MD_CTX *ctx = EVP_MD_CTX_new();
+
+ if (ctx == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_SIGN, ERR_R_MALLOC_FAILURE);
return 0;
}
- return ASN1_item_sign_ctx(it, algor1, algor2, signature, asn, &ctx);
+ if (!EVP_DigestSignInit(ctx, NULL, type, NULL, pkey)) {
+ EVP_MD_CTX_free(ctx);
+ return 0;
+ }
+
+ rv = ASN1_item_sign_ctx(it, algor1, algor2, signature, asn, ctx);
+
+ EVP_MD_CTX_free(ctx);
+ return rv;
}
int ASN1_item_sign_ctx(const ASN1_ITEM *it,
EVP_PKEY *pkey;
unsigned char *buf_in = NULL, *buf_out = NULL;
size_t inl = 0, outl = 0, outll = 0;
- int signid, paramtype;
- int rv;
+ int signid, paramtype, buf_len = 0;
+ int rv, pkey_id;
type = EVP_MD_CTX_md(ctx);
- pkey = EVP_PKEY_CTX_get0_pkey(ctx->pctx);
+ pkey = EVP_PKEY_CTX_get0_pkey(EVP_MD_CTX_pkey_ctx(ctx));
- if (!type || !pkey) {
+ if (pkey == NULL) {
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ASN1_R_CONTEXT_NOT_INITIALISED);
- return 0;
+ goto err;
+ }
+
+ if (pkey->ameth == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ASN1_R_DIGEST_AND_KEY_TYPE_NOT_SUPPORTED);
+ goto err;
}
if (pkey->ameth->item_sign) {
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_EVP_LIB);
if (rv <= 1)
goto err;
- } else
+ } else {
rv = 2;
+ }
if (rv == 2) {
- if (type->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
- if (!pkey->ameth ||
- !OBJ_find_sigid_by_algs(&signid,
- EVP_MD_nid(type),
- pkey->ameth->pkey_id)) {
- ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX,
- ASN1_R_DIGEST_AND_KEY_TYPE_NOT_SUPPORTED);
- return 0;
- }
- } else
- signid = type->pkey_type;
+ if (type == NULL) {
+ ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ASN1_R_CONTEXT_NOT_INITIALISED);
+ goto err;
+ }
+
+ pkey_id =
+#ifndef OPENSSL_NO_SM2
+ EVP_PKEY_id(pkey) == NID_sm2 ? NID_sm2 :
+#endif
+ pkey->ameth->pkey_id;
+
+ if (!OBJ_find_sigid_by_algs(&signid, EVP_MD_nid(type), pkey_id)) {
+ ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX,
+ ASN1_R_DIGEST_AND_KEY_TYPE_NOT_SUPPORTED);
+ goto err;
+ }
if (pkey->ameth->pkey_flags & ASN1_PKEY_SIGPARAM_NULL)
paramtype = V_ASN1_NULL;
}
- inl = ASN1_item_i2d(asn, &buf_in, it);
- outll = outl = EVP_PKEY_size(pkey);
- buf_out = OPENSSL_malloc((unsigned int)outl);
- if ((buf_in == NULL) || (buf_out == NULL)) {
+ buf_len = ASN1_item_i2d(asn, &buf_in, it);
+ if (buf_len <= 0) {
+ outl = 0;
+ ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ inl = buf_len;
+ if (!EVP_DigestSign(ctx, NULL, &outll, buf_in, inl)) {
+ outl = 0;
+ ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_EVP_LIB);
+ goto err;
+ }
+ outl = outll;
+ buf_out = OPENSSL_malloc(outll);
+ if (buf_in == NULL || buf_out == NULL) {
outl = 0;
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_MALLOC_FAILURE);
goto err;
}
- if (!EVP_DigestSignUpdate(ctx, buf_in, inl)
- || !EVP_DigestSignFinal(ctx, buf_out, &outl)) {
+ if (!EVP_DigestSign(ctx, buf_out, &outl, buf_in, inl)) {
outl = 0;
ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_EVP_LIB);
goto err;
}
- if (signature->data != NULL)
- OPENSSL_free(signature->data);
+ OPENSSL_free(signature->data);
signature->data = buf_out;
buf_out = NULL;
signature->length = outl;
signature->flags &= ~(ASN1_STRING_FLAG_BITS_LEFT | 0x07);
signature->flags |= ASN1_STRING_FLAG_BITS_LEFT;
err:
- EVP_MD_CTX_cleanup(ctx);
- if (buf_in != NULL) {
- OPENSSL_cleanse((char *)buf_in, (unsigned int)inl);
- OPENSSL_free(buf_in);
- }
- if (buf_out != NULL) {
- OPENSSL_cleanse((char *)buf_out, outll);
- OPENSSL_free(buf_out);
- }
- return (outl);
+ OPENSSL_clear_free((char *)buf_in, inl);
+ OPENSSL_clear_free((char *)buf_out, outll);
+ return outl;
}
projects / openssl.git / blobdiff