diff options
Diffstat (limited to 'openssl/crypto/dsa/dsa_lib.c')
-rw-r--r-- | openssl/crypto/dsa/dsa_lib.c | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/openssl/crypto/dsa/dsa_lib.c b/openssl/crypto/dsa/dsa_lib.c deleted file mode 100644 index eb9d21d..0000000 --- a/openssl/crypto/dsa/dsa_lib.c +++ /dev/null @@ -1,329 +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 - -#ifdef OPENSSL_FIPS -# include <openssl/fips.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) { -#ifdef OPENSSL_FIPS - if (FIPS_mode()) - return FIPS_dsa_openssl(); - else - return DSA_OpenSSL(); -#else - default_DSA_method = DSA_OpenSSL(); -#endif - } - 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 & ~DSA_FLAG_NON_FIPS_ALLOW; - 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, optional q. - */ - - 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 ((ret->q = BN_dup(r->q)) == NULL) - goto err; - } - 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 |