-/* crypto/rsa/rsa_gen.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 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 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
*/
#include <stdio.h>
#include <time.h>
#include <openssl/err.h>
#include <openssl/bn.h>
-#include <openssl/rsa.h>
+#include "rsa_locl.h"
/* X9.31 RSA key derivation and generation */
goto err;
ctx = BN_CTX_new();
- if (!ctx)
+ if (ctx == NULL)
goto err;
BN_CTX_start(ctx);
* test programs to output selective parameters.
*/
- if (Xp && !rsa->p) {
+ if (Xp && rsa->p == NULL) {
rsa->p = BN_new();
- if (!rsa->p)
+ if (rsa->p == NULL)
goto err;
if (!BN_X931_derive_prime_ex(rsa->p, p1, p2,
goto err;
}
- if (Xq && !rsa->q) {
+ if (Xq && rsa->q == NULL) {
rsa->q = BN_new();
- if (!rsa->q)
+ if (rsa->q == NULL)
goto err;
if (!BN_X931_derive_prime_ex(rsa->q, q1, q2,
Xq, Xq1, Xq2, e, ctx, cb))
goto err;
}
- if (!rsa->p || !rsa->q) {
+ if (rsa->p == NULL || rsa->q == NULL) {
BN_CTX_end(ctx);
BN_CTX_free(ctx);
return 2;
goto err; /* LCM((p-1)(q-1)) */
ctx2 = BN_CTX_new();
- if (!ctx2)
+ if (ctx2 == NULL)
goto err;
rsa->d = BN_mod_inverse(NULL, rsa->e, r0, ctx2); /* d */
ret = 1;
err:
- if (ctx) {
+ if (ctx)
BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- }
- if (ctx2)
- BN_CTX_free(ctx2);
+ BN_CTX_free(ctx);
+ BN_CTX_free(ctx2);
return ret;
BN_CTX *ctx = NULL;
ctx = BN_CTX_new();
- if (!ctx)
+ if (ctx == NULL)
goto error;
BN_CTX_start(ctx);
Xp = BN_CTX_get(ctx);
Xq = BN_CTX_get(ctx);
+ if (Xq == NULL)
+ goto error;
if (!BN_X931_generate_Xpq(Xp, Xq, bits, ctx))
goto error;
rsa->p = BN_new();
rsa->q = BN_new();
- if (!rsa->p || !rsa->q)
+ if (rsa->p == NULL || rsa->q == NULL)
goto error;
/* Generate two primes from Xp, Xq */
ok = 1;
error:
- if (ctx) {
+ if (ctx)
BN_CTX_end(ctx);
- BN_CTX_free(ctx);
- }
+ BN_CTX_free(ctx);
if (ok)
return 1;
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