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Diffstat (limited to 'thirdparty/openssl/crypto/ec/ec_cvt.c')
| -rw-r--r-- | thirdparty/openssl/crypto/ec/ec_cvt.c | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/thirdparty/openssl/crypto/ec/ec_cvt.c b/thirdparty/openssl/crypto/ec/ec_cvt.c deleted file mode 100644 index 5a832ba1cf..0000000000 --- a/thirdparty/openssl/crypto/ec/ec_cvt.c +++ /dev/null @@ -1,180 +0,0 @@ -/* crypto/ec/ec_cvt.c */ -/* - * Originally written by Bodo Moeller for the OpenSSL project. - */ -/* ==================================================================== - * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved. - * - * 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 above 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 acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED 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 OpenSSL PROJECT OR - * ITS 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. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ -/* ==================================================================== - * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. - * - * Portions of the attached software ("Contribution") are developed by - * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project. - * - * The Contribution is licensed pursuant to the OpenSSL open source - * license provided above. - * - * The elliptic curve binary polynomial software is originally written by - * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories. - * - */ - -#include <openssl/err.h> -#include "ec_lcl.h" - -#ifdef OPENSSL_FIPS -# include <openssl/fips.h> -#endif - -EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, - const BIGNUM *b, BN_CTX *ctx) -{ - const EC_METHOD *meth; - EC_GROUP *ret; - -#ifdef OPENSSL_FIPS - if (FIPS_mode()) - return FIPS_ec_group_new_curve_gfp(p, a, b, ctx); -#endif -#if defined(OPENSSL_BN_ASM_MONT) - /* - * This might appear controversial, but the fact is that generic - * prime method was observed to deliver better performance even - * for NIST primes on a range of platforms, e.g.: 60%-15% - * improvement on IA-64, ~25% on ARM, 30%-90% on P4, 20%-25% - * in 32-bit build and 35%--12% in 64-bit build on Core2... - * Coefficients are relative to optimized bn_nist.c for most - * intensive ECDSA verify and ECDH operations for 192- and 521- - * bit keys respectively. Choice of these boundary values is - * arguable, because the dependency of improvement coefficient - * from key length is not a "monotone" curve. For example while - * 571-bit result is 23% on ARM, 384-bit one is -1%. But it's - * generally faster, sometimes "respectfully" faster, sometimes - * "tolerably" slower... What effectively happens is that loop - * with bn_mul_add_words is put against bn_mul_mont, and the - * latter "wins" on short vectors. Correct solution should be - * implementing dedicated NxN multiplication subroutines for - * small N. But till it materializes, let's stick to generic - * prime method... - * <appro> - */ - meth = EC_GFp_mont_method(); -#else - meth = EC_GFp_nist_method(); -#endif - - ret = EC_GROUP_new(meth); - if (ret == NULL) - return NULL; - - if (!EC_GROUP_set_curve_GFp(ret, p, a, b, ctx)) { - unsigned long err; - - err = ERR_peek_last_error(); - - if (!(ERR_GET_LIB(err) == ERR_LIB_EC && - ((ERR_GET_REASON(err) == EC_R_NOT_A_NIST_PRIME) || - (ERR_GET_REASON(err) == EC_R_NOT_A_SUPPORTED_NIST_PRIME)))) { - /* real error */ - - EC_GROUP_clear_free(ret); - return NULL; - } - - /* - * not an actual error, we just cannot use EC_GFp_nist_method - */ - - ERR_clear_error(); - - EC_GROUP_clear_free(ret); - meth = EC_GFp_mont_method(); - - ret = EC_GROUP_new(meth); - if (ret == NULL) - return NULL; - - if (!EC_GROUP_set_curve_GFp(ret, p, a, b, ctx)) { - EC_GROUP_clear_free(ret); - return NULL; - } - } - - return ret; -} - -#ifndef OPENSSL_NO_EC2M -EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, - const BIGNUM *b, BN_CTX *ctx) -{ - const EC_METHOD *meth; - EC_GROUP *ret; - -# ifdef OPENSSL_FIPS - if (FIPS_mode()) - return FIPS_ec_group_new_curve_gf2m(p, a, b, ctx); -# endif - meth = EC_GF2m_simple_method(); - - ret = EC_GROUP_new(meth); - if (ret == NULL) - return NULL; - - if (!EC_GROUP_set_curve_GF2m(ret, p, a, b, ctx)) { - EC_GROUP_clear_free(ret); - return NULL; - } - - return ret; -} -#endif |