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authorMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2017-09-13 12:09:40 -0700
committerMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2017-09-13 12:09:40 -0700
commitb6f94dbeacfc6f0a507413096189304c58dbe66c (patch)
treebce8c7db22209078618294c51d95a0c033aec7d9 /Cryptlib/OpenSSL/crypto/bn/bn_blind.c
parent25f7fd1fb389a5f6356f353d16c5ead80dac6bbc (diff)
downloadefi-boot-shim-upstream/13_git1505328970.9c1c35c5.tar.gz
efi-boot-shim-upstream/13_git1505328970.9c1c35c5.zip
New upstream version 13~git1505328970.9c1c35c5upstream/13_git1505328970.9c1c35c5
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/bn/bn_blind.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/bn/bn_blind.c196
1 files changed, 146 insertions, 50 deletions
diff --git a/Cryptlib/OpenSSL/crypto/bn/bn_blind.c b/Cryptlib/OpenSSL/crypto/bn/bn_blind.c
index 24d13830..d448daa3 100644
--- a/Cryptlib/OpenSSL/crypto/bn/bn_blind.c
+++ b/Cryptlib/OpenSSL/crypto/bn/bn_blind.c
@@ -1,14 +1,116 @@
-/*
- * Copyright 1998-2016 The OpenSSL Project Authors. All Rights Reserved.
+/* crypto/bn/bn_blind.c */
+/* ====================================================================
+ * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved.
*
- * Licensed under the OpenSSL license (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
+ * 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 (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.]
*/
-#include <openssl/opensslconf.h>
-#include "internal/cryptlib.h"
+#include <stdio.h>
+#include "cryptlib.h"
#include "bn_lcl.h"
#define BN_BLINDING_COUNTER 32
@@ -18,13 +120,16 @@ struct bn_blinding_st {
BIGNUM *Ai;
BIGNUM *e;
BIGNUM *mod; /* just a reference */
- CRYPTO_THREAD_ID tid;
+#ifndef OPENSSL_NO_DEPRECATED
+ unsigned long thread_id; /* added in OpenSSL 0.9.6j and 0.9.7b; used
+ * only by crypto/rsa/rsa_eay.c, rsa_lib.c */
+#endif
+ CRYPTO_THREADID tid;
int counter;
unsigned long flags;
BN_MONT_CTX *m_ctx;
int (*bn_mod_exp) (BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx);
- CRYPTO_RWLOCK *lock;
};
BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod)
@@ -33,25 +138,15 @@ BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod)
bn_check_top(mod);
- if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) {
+ if ((ret = (BN_BLINDING *)OPENSSL_malloc(sizeof(BN_BLINDING))) == NULL) {
BNerr(BN_F_BN_BLINDING_NEW, ERR_R_MALLOC_FAILURE);
- return NULL;
+ return (NULL);
}
-
- ret->lock = CRYPTO_THREAD_lock_new();
- if (ret->lock == NULL) {
- BNerr(BN_F_BN_BLINDING_NEW, ERR_R_MALLOC_FAILURE);
- OPENSSL_free(ret);
- return NULL;
- }
-
- BN_BLINDING_set_current_thread(ret);
-
+ memset(ret, 0, sizeof(BN_BLINDING));
if (A != NULL) {
if ((ret->A = BN_dup(A)) == NULL)
goto err;
}
-
if (Ai != NULL) {
if ((ret->Ai = BN_dup(Ai)) == NULL)
goto err;
@@ -60,7 +155,6 @@ BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod)
/* save a copy of mod in the BN_BLINDING structure */
if ((ret->mod = BN_dup(mod)) == NULL)
goto err;
-
if (BN_get_flags(mod, BN_FLG_CONSTTIME) != 0)
BN_set_flags(ret->mod, BN_FLG_CONSTTIME);
@@ -70,12 +164,12 @@ BN_BLINDING *BN_BLINDING_new(const BIGNUM *A, const BIGNUM *Ai, BIGNUM *mod)
* use.
*/
ret->counter = -1;
-
- return ret;
-
+ CRYPTO_THREADID_current(&ret->tid);
+ return (ret);
err:
- BN_BLINDING_free(ret);
- return NULL;
+ if (ret != NULL)
+ BN_BLINDING_free(ret);
+ return (NULL);
}
void BN_BLINDING_free(BN_BLINDING *r)
@@ -83,11 +177,14 @@ void BN_BLINDING_free(BN_BLINDING *r)
if (r == NULL)
return;
- BN_free(r->A);
- BN_free(r->Ai);
- BN_free(r->e);
- BN_free(r->mod);
- CRYPTO_THREAD_lock_free(r->lock);
+ if (r->A != NULL)
+ BN_free(r->A);
+ if (r->Ai != NULL)
+ BN_free(r->Ai);
+ if (r->e != NULL)
+ BN_free(r->e);
+ if (r->mod != NULL)
+ BN_free(r->mod);
OPENSSL_free(r);
}
@@ -181,24 +278,21 @@ int BN_BLINDING_invert_ex(BIGNUM *n, const BIGNUM *r, BN_BLINDING *b,
return (ret);
}
-int BN_BLINDING_is_current_thread(BN_BLINDING *b)
-{
- return CRYPTO_THREAD_compare_id(CRYPTO_THREAD_get_current_id(), b->tid);
-}
-
-void BN_BLINDING_set_current_thread(BN_BLINDING *b)
+#ifndef OPENSSL_NO_DEPRECATED
+unsigned long BN_BLINDING_get_thread_id(const BN_BLINDING *b)
{
- b->tid = CRYPTO_THREAD_get_current_id();
+ return b->thread_id;
}
-int BN_BLINDING_lock(BN_BLINDING *b)
+void BN_BLINDING_set_thread_id(BN_BLINDING *b, unsigned long n)
{
- return CRYPTO_THREAD_write_lock(b->lock);
+ b->thread_id = n;
}
+#endif
-int BN_BLINDING_unlock(BN_BLINDING *b)
+CRYPTO_THREADID *BN_BLINDING_thread_id(BN_BLINDING *b)
{
- return CRYPTO_THREAD_unlock(b->lock);
+ return &b->tid;
}
unsigned long BN_BLINDING_get_flags(const BN_BLINDING *b)
@@ -238,7 +332,8 @@ BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
goto err;
if (e != NULL) {
- BN_free(ret->e);
+ if (ret->e != NULL)
+ BN_free(ret->e);
ret->e = BN_dup(e);
}
if (ret->e == NULL)
@@ -250,19 +345,20 @@ BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
ret->m_ctx = m_ctx;
do {
- int rv;
if (!BN_rand_range(ret->A, ret->mod))
goto err;
- if (!int_bn_mod_inverse(ret->Ai, ret->A, ret->mod, ctx, &rv)) {
+ if (BN_mod_inverse(ret->Ai, ret->A, ret->mod, ctx) == NULL) {
/*
* this should almost never happen for good RSA keys
*/
- if (rv) {
+ unsigned long error = ERR_peek_last_error();
+ if (ERR_GET_REASON(error) == BN_R_NO_INVERSE) {
if (retry_counter-- == 0) {
BNerr(BN_F_BN_BLINDING_CREATE_PARAM,
BN_R_TOO_MANY_ITERATIONS);
goto err;
}
+ ERR_clear_error();
} else
goto err;
} else
@@ -280,7 +376,7 @@ BN_BLINDING *BN_BLINDING_create_param(BN_BLINDING *b,
return ret;
err:
- if (b == NULL) {
+ if (b == NULL && ret != NULL) {
BN_BLINDING_free(ret);
ret = NULL;
}