diff options
Diffstat (limited to 'openssl/crypto/dsa/dsa_key.c')
| -rw-r--r-- | openssl/crypto/dsa/dsa_key.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/openssl/crypto/dsa/dsa_key.c b/openssl/crypto/dsa/dsa_key.c deleted file mode 100644 index c4aa86bc..00000000 --- a/openssl/crypto/dsa/dsa_key.c +++ /dev/null @@ -1,128 +0,0 @@ -/* crypto/dsa/dsa_key.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.] - */ - -#include <stdio.h> -#include <time.h> -#include "cryptlib.h" -#ifndef OPENSSL_NO_SHA -#include <openssl/bn.h> -#include <openssl/dsa.h> -#include <openssl/rand.h> - -static int dsa_builtin_keygen(DSA *dsa); - -int DSA_generate_key(DSA *dsa) - { - if(dsa->meth->dsa_keygen) - return dsa->meth->dsa_keygen(dsa); - return dsa_builtin_keygen(dsa); - } - -static int dsa_builtin_keygen(DSA *dsa) - { - int ok=0; - BN_CTX *ctx=NULL; - BIGNUM *pub_key=NULL,*priv_key=NULL; - - if ((ctx=BN_CTX_new()) == NULL) goto err; - - if (dsa->priv_key == NULL) - { - if ((priv_key=BN_new()) == NULL) goto err; - } - else - priv_key=dsa->priv_key; - - do - if (!BN_rand_range(priv_key,dsa->q)) goto err; - while (BN_is_zero(priv_key)); - - if (dsa->pub_key == NULL) - { - if ((pub_key=BN_new()) == NULL) goto err; - } - else - pub_key=dsa->pub_key; - - { - BIGNUM local_prk; - BIGNUM *prk; - - if ((dsa->flags & DSA_FLAG_NO_EXP_CONSTTIME) == 0) - { - BN_init(&local_prk); - prk = &local_prk; - BN_with_flags(prk, priv_key, BN_FLG_CONSTTIME); - } - else - prk = priv_key; - - if (!BN_mod_exp(pub_key,dsa->g,prk,dsa->p,ctx)) goto err; - } - - dsa->priv_key=priv_key; - dsa->pub_key=pub_key; - ok=1; - -err: - if ((pub_key != NULL) && (dsa->pub_key == NULL)) BN_free(pub_key); - if ((priv_key != NULL) && (dsa->priv_key == NULL)) BN_free(priv_key); - if (ctx != NULL) BN_CTX_free(ctx); - return(ok); - } -#endif |