-/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+/* crypto/rsa/rsa_gen.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.
*
- * 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 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 <stdio.h>
#include <time.h>
-#include "internal/cryptlib.h"
+#include "cryptlib.h"
#include <openssl/bn.h>
-#include "rsa_locl.h"
+#include <openssl/rsa.h>
+#ifdef OPENSSL_FIPS
+# include <openssl/fips.h>
+extern int FIPS_rsa_x931_generate_key_ex(RSA *rsa, int bits, BIGNUM *e,
+ BN_GENCB *cb);
+#endif
static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value,
BN_GENCB *cb);
*/
int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
{
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode() && !(rsa->meth->flags & RSA_FLAG_FIPS_METHOD)
+ && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)) {
+ RSAerr(RSA_F_RSA_GENERATE_KEY_EX, RSA_R_NON_FIPS_RSA_METHOD);
+ return 0;
+ }
+#endif
if (rsa->meth->rsa_keygen)
return rsa->meth->rsa_keygen(rsa, bits, e_value, cb);
+#ifdef OPENSSL_FIPS
+ if (FIPS_mode())
+ return FIPS_rsa_x931_generate_key_ex(rsa, bits, e_value, cb);
+#endif
return rsa_builtin_keygen(rsa, bits, e_value, cb);
}
BN_GENCB *cb)
{
BIGNUM *r0 = NULL, *r1 = NULL, *r2 = NULL, *r3 = NULL, *tmp;
+ BIGNUM local_r0, local_d, local_p;
+ BIGNUM *pr0, *d, *p;
int bitsp, bitsq, ok = -1, n = 0;
BN_CTX *ctx = NULL;
/* We need the RSA components non-NULL */
if (!rsa->n && ((rsa->n = BN_new()) == NULL))
goto err;
- if (!rsa->d && ((rsa->d = BN_secure_new()) == NULL))
+ if (!rsa->d && ((rsa->d = BN_new()) == NULL))
goto err;
if (!rsa->e && ((rsa->e = BN_new()) == NULL))
goto err;
- if (!rsa->p && ((rsa->p = BN_secure_new()) == NULL))
+ if (!rsa->p && ((rsa->p = BN_new()) == NULL))
goto err;
- if (!rsa->q && ((rsa->q = BN_secure_new()) == NULL))
+ if (!rsa->q && ((rsa->q = BN_new()) == NULL))
goto err;
- if (!rsa->dmp1 && ((rsa->dmp1 = BN_secure_new()) == NULL))
+ if (!rsa->dmp1 && ((rsa->dmp1 = BN_new()) == NULL))
goto err;
- if (!rsa->dmq1 && ((rsa->dmq1 = BN_secure_new()) == NULL))
+ if (!rsa->dmq1 && ((rsa->dmq1 = BN_new()) == NULL))
goto err;
- if (!rsa->iqmp && ((rsa->iqmp = BN_secure_new()) == NULL))
+ if (!rsa->iqmp && ((rsa->iqmp = BN_new()) == NULL))
goto err;
if (BN_copy(rsa->e, e_value) == NULL)
goto err; /* q-1 */
if (!BN_mul(r0, r1, r2, ctx))
goto err; /* (p-1)(q-1) */
- {
- BIGNUM *pr0 = BN_new();
-
- if (pr0 == NULL)
- goto err;
+ if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
+ pr0 = &local_r0;
BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);
- if (!BN_mod_inverse(rsa->d, rsa->e, pr0, ctx)) {
- BN_free(pr0);
- goto err; /* d */
- }
- /* We MUST free pr0 before any further use of r0 */
- BN_free(pr0);
- }
-
- {
- BIGNUM *d = BN_new();
-
- if (d == NULL)
- goto err;
+ } else
+ pr0 = r0;
+ if (!BN_mod_inverse(rsa->d, rsa->e, pr0, ctx))
+ goto err; /* d */
+
+ /* set up d for correct BN_FLG_CONSTTIME flag */
+ if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
+ d = &local_d;
BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
+ } else
+ d = rsa->d;
- if ( /* calculate d mod (p-1) */
- !BN_mod(rsa->dmp1, d, r1, ctx)
- /* calculate d mod (q-1) */
- || !BN_mod(rsa->dmq1, d, r2, ctx)) {
- BN_free(d);
- goto err;
- }
- /* We MUST free d before any further use of rsa->d */
- BN_free(d);
- }
+ /* calculate d mod (p-1) */
+ if (!BN_mod(rsa->dmp1, d, r1, ctx))
+ goto err;
- {
- BIGNUM *p = BN_new();
+ /* calculate d mod (q-1) */
+ if (!BN_mod(rsa->dmq1, d, r2, ctx))
+ goto err;
- if (p == NULL)
- goto err;
+ /* calculate inverse of q mod p */
+ if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME)) {
+ p = &local_p;
BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);
-
- /* calculate inverse of q mod p */
- if (!BN_mod_inverse(rsa->iqmp, rsa->q, p, ctx)) {
- BN_free(p);
- goto err;
- }
- /* We MUST free p before any further use of rsa->p */
- BN_free(p);
- }
+ } else
+ p = rsa->p;
+ if (!BN_mod_inverse(rsa->iqmp, rsa->q, p, ctx))
+ goto err;
ok = 1;
err:
RSAerr(RSA_F_RSA_BUILTIN_KEYGEN, ERR_LIB_BN);
ok = 0;
}
- if (ctx != NULL)
+ if (ctx != NULL) {
BN_CTX_end(ctx);
- BN_CTX_free(ctx);
+ BN_CTX_free(ctx);
+ }
return ok;
}
projects / efi-boot-shim.git / blobdiff