diff options
Diffstat (limited to 'openssl/crypto/dsa/dsa_lib.c')
| -rw-r--r-- | openssl/crypto/dsa/dsa_lib.c | 311 |
1 files changed, 0 insertions, 311 deletions
diff --git a/openssl/crypto/dsa/dsa_lib.c b/openssl/crypto/dsa/dsa_lib.c deleted file mode 100644 index e9b75902..00000000 --- a/openssl/crypto/dsa/dsa_lib.c +++ /dev/null @@ -1,311 +0,0 @@ -/* crypto/dsa/dsa_lib.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.] - */ - -/* Original version from Steven Schoch <schoch@sheba.arc.nasa.gov> */ - -#include <stdio.h> -#include "cryptlib.h" -#include <openssl/bn.h> -#include <openssl/dsa.h> -#include <openssl/asn1.h> -#ifndef OPENSSL_NO_ENGINE -#include <openssl/engine.h> -#endif -#ifndef OPENSSL_NO_DH -#include <openssl/dh.h> -#endif - -const char DSA_version[]="DSA" OPENSSL_VERSION_PTEXT; - -static const DSA_METHOD *default_DSA_method = NULL; - -void DSA_set_default_method(const DSA_METHOD *meth) - { - default_DSA_method = meth; - } - -const DSA_METHOD *DSA_get_default_method(void) - { - if(!default_DSA_method) - default_DSA_method = DSA_OpenSSL(); - return default_DSA_method; - } - -DSA *DSA_new(void) - { - return DSA_new_method(NULL); - } - -int DSA_set_method(DSA *dsa, const DSA_METHOD *meth) - { - /* NB: The caller is specifically setting a method, so it's not up to us - * to deal with which ENGINE it comes from. */ - const DSA_METHOD *mtmp; - mtmp = dsa->meth; - if (mtmp->finish) mtmp->finish(dsa); -#ifndef OPENSSL_NO_ENGINE - if (dsa->engine) - { - ENGINE_finish(dsa->engine); - dsa->engine = NULL; - } -#endif - dsa->meth = meth; - if (meth->init) meth->init(dsa); - return 1; - } - -DSA *DSA_new_method(ENGINE *engine) - { - DSA *ret; - - ret=(DSA *)OPENSSL_malloc(sizeof(DSA)); - if (ret == NULL) - { - DSAerr(DSA_F_DSA_NEW_METHOD,ERR_R_MALLOC_FAILURE); - return(NULL); - } - ret->meth = DSA_get_default_method(); -#ifndef OPENSSL_NO_ENGINE - if (engine) - { - if (!ENGINE_init(engine)) - { - DSAerr(DSA_F_DSA_NEW_METHOD, ERR_R_ENGINE_LIB); - OPENSSL_free(ret); - return NULL; - } - ret->engine = engine; - } - else - ret->engine = ENGINE_get_default_DSA(); - if(ret->engine) - { - ret->meth = ENGINE_get_DSA(ret->engine); - if(!ret->meth) - { - DSAerr(DSA_F_DSA_NEW_METHOD, - ERR_R_ENGINE_LIB); - ENGINE_finish(ret->engine); - OPENSSL_free(ret); - return NULL; - } - } -#endif - - ret->pad=0; - ret->version=0; - ret->write_params=1; - ret->p=NULL; - ret->q=NULL; - ret->g=NULL; - - ret->pub_key=NULL; - ret->priv_key=NULL; - - ret->kinv=NULL; - ret->r=NULL; - ret->method_mont_p=NULL; - - ret->references=1; - ret->flags=ret->meth->flags; - CRYPTO_new_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data); - if ((ret->meth->init != NULL) && !ret->meth->init(ret)) - { -#ifndef OPENSSL_NO_ENGINE - if (ret->engine) - ENGINE_finish(ret->engine); -#endif - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, ret, &ret->ex_data); - OPENSSL_free(ret); - ret=NULL; - } - - return(ret); - } - -void DSA_free(DSA *r) - { - int i; - - if (r == NULL) return; - - i=CRYPTO_add(&r->references,-1,CRYPTO_LOCK_DSA); -#ifdef REF_PRINT - REF_PRINT("DSA",r); -#endif - if (i > 0) return; -#ifdef REF_CHECK - if (i < 0) - { - fprintf(stderr,"DSA_free, bad reference count\n"); - abort(); - } -#endif - - if(r->meth->finish) - r->meth->finish(r); -#ifndef OPENSSL_NO_ENGINE - if(r->engine) - ENGINE_finish(r->engine); -#endif - - CRYPTO_free_ex_data(CRYPTO_EX_INDEX_DSA, r, &r->ex_data); - - if (r->p != NULL) BN_clear_free(r->p); - if (r->q != NULL) BN_clear_free(r->q); - if (r->g != NULL) BN_clear_free(r->g); - if (r->pub_key != NULL) BN_clear_free(r->pub_key); - if (r->priv_key != NULL) BN_clear_free(r->priv_key); - if (r->kinv != NULL) BN_clear_free(r->kinv); - if (r->r != NULL) BN_clear_free(r->r); - OPENSSL_free(r); - } - -int DSA_up_ref(DSA *r) - { - int i = CRYPTO_add(&r->references, 1, CRYPTO_LOCK_DSA); -#ifdef REF_PRINT - REF_PRINT("DSA",r); -#endif -#ifdef REF_CHECK - if (i < 2) - { - fprintf(stderr, "DSA_up_ref, bad reference count\n"); - abort(); - } -#endif - return ((i > 1) ? 1 : 0); - } - -int DSA_size(const DSA *r) - { - int ret,i; - ASN1_INTEGER bs; - unsigned char buf[4]; /* 4 bytes looks really small. - However, i2d_ASN1_INTEGER() will not look - beyond the first byte, as long as the second - parameter is NULL. */ - - i=BN_num_bits(r->q); - bs.length=(i+7)/8; - bs.data=buf; - bs.type=V_ASN1_INTEGER; - /* If the top bit is set the asn1 encoding is 1 larger. */ - buf[0]=0xff; - - i=i2d_ASN1_INTEGER(&bs,NULL); - i+=i; /* r and s */ - ret=ASN1_object_size(1,i,V_ASN1_SEQUENCE); - return(ret); - } - -int DSA_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, - CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func) - { - return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DSA, argl, argp, - new_func, dup_func, free_func); - } - -int DSA_set_ex_data(DSA *d, int idx, void *arg) - { - return(CRYPTO_set_ex_data(&d->ex_data,idx,arg)); - } - -void *DSA_get_ex_data(DSA *d, int idx) - { - return(CRYPTO_get_ex_data(&d->ex_data,idx)); - } - -#ifndef OPENSSL_NO_DH -DH *DSA_dup_DH(const DSA *r) - { - /* DSA has p, q, g, optional pub_key, optional priv_key. - * DH has p, optional length, g, optional pub_key, optional priv_key. - */ - - DH *ret = NULL; - - if (r == NULL) - goto err; - ret = DH_new(); - if (ret == NULL) - goto err; - if (r->p != NULL) - if ((ret->p = BN_dup(r->p)) == NULL) - goto err; - if (r->q != NULL) - ret->length = BN_num_bits(r->q); - if (r->g != NULL) - if ((ret->g = BN_dup(r->g)) == NULL) - goto err; - if (r->pub_key != NULL) - if ((ret->pub_key = BN_dup(r->pub_key)) == NULL) - goto err; - if (r->priv_key != NULL) - if ((ret->priv_key = BN_dup(r->priv_key)) == NULL) - goto err; - - return ret; - - err: - if (ret != NULL) - DH_free(ret); - return NULL; - } -#endif |