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/* crypto/ec/ec.h */
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/*
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* Originally written by Bodo Moeller for the OpenSSL project.
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*/
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/**
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* \file crypto/ec/ec.h Include file for the OpenSSL EC functions
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* \author Originally written by Bodo Moeller for the OpenSSL project
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*/
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/* ====================================================================
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* Copyright (c) 1998-2005 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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/* ====================================================================
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* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
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*
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* Portions of the attached software ("Contribution") are developed by
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* SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
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*
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* The Contribution is licensed pursuant to the OpenSSL open source
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* license provided above.
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*
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* The elliptic curve binary polynomial software is originally written by
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* Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
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*
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*/
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#ifndef HEADER_EC_H
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# define HEADER_EC_H
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# include <openssl/opensslconf.h> |
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# ifdef OPENSSL_NO_EC
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# error EC is disabled.
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# endif
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# include <openssl/asn1.h> |
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# include <openssl/symhacks.h> |
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# ifndef OPENSSL_NO_DEPRECATED
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# include <openssl/bn.h> |
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# endif
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# ifdef __cplusplus
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extern "C" { |
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# elif defined(__SUNPRO_C)
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# if __SUNPRO_C >= 0x520 |
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# pragma error_messages (off,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
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# endif
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# endif
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# ifndef OPENSSL_ECC_MAX_FIELD_BITS
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# define OPENSSL_ECC_MAX_FIELD_BITS 661 |
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# endif
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/** Enum for the point conversion form as defined in X9.62 (ECDSA)
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* for the encoding of a elliptic curve point (x,y) */
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typedef enum { |
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/** the point is encoded as z||x, where the octet z specifies
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* which solution of the quadratic equation y is */
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POINT_CONVERSION_COMPRESSED = 2,
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/** the point is encoded as z||x||y, where z is the octet 0x02 */
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POINT_CONVERSION_UNCOMPRESSED = 4,
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/** the point is encoded as z||x||y, where the octet z specifies
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* which solution of the quadratic equation y is */
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POINT_CONVERSION_HYBRID = 6
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} point_conversion_form_t; |
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typedef struct ec_method_st EC_METHOD; |
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typedef struct ec_group_st |
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/*-
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EC_METHOD *meth;
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-- field definition
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-- curve coefficients
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-- optional generator with associated information (order, cofactor)
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-- optional extra data (precomputed table for fast computation of multiples of generator)
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-- ASN1 stuff
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*/
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EC_GROUP; |
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typedef struct ec_point_st EC_POINT; |
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/********************************************************************/
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/* EC_METHODs for curves over GF(p) */
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/********************************************************************/
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/** Returns the basic GFp ec methods which provides the basis for the
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* optimized methods.
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* \return EC_METHOD object
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*/
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const EC_METHOD *EC_GFp_simple_method(void); |
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/** Returns GFp methods using montgomery multiplication.
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* \return EC_METHOD object
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*/
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const EC_METHOD *EC_GFp_mont_method(void); |
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/** Returns GFp methods using optimized methods for NIST recommended curves
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* \return EC_METHOD object
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*/
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const EC_METHOD *EC_GFp_nist_method(void); |
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# ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
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/** Returns 64-bit optimized methods for nistp224
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* \return EC_METHOD object
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*/
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const EC_METHOD *EC_GFp_nistp224_method(void); |
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/** Returns 64-bit optimized methods for nistp256
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* \return EC_METHOD object
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*/
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const EC_METHOD *EC_GFp_nistp256_method(void); |
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/** Returns 64-bit optimized methods for nistp521
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* \return EC_METHOD object
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*/
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const EC_METHOD *EC_GFp_nistp521_method(void); |
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# endif
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# ifndef OPENSSL_NO_EC2M
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/********************************************************************/
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/* EC_METHOD for curves over GF(2^m) */
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/********************************************************************/
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/** Returns the basic GF2m ec method
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* \return EC_METHOD object
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*/
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const EC_METHOD *EC_GF2m_simple_method(void); |
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# endif
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/********************************************************************/
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/* EC_GROUP functions */
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/********************************************************************/
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/** Creates a new EC_GROUP object
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* \param meth EC_METHOD to use
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* \return newly created EC_GROUP object or NULL in case of an error.
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*/
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EC_GROUP *EC_GROUP_new(const EC_METHOD *meth);
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/** Frees a EC_GROUP object
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* \param group EC_GROUP object to be freed.
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*/
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void EC_GROUP_free(EC_GROUP *group);
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/** Clears and frees a EC_GROUP object
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* \param group EC_GROUP object to be cleared and freed.
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*/
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void EC_GROUP_clear_free(EC_GROUP *group);
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/** Copies EC_GROUP objects. Note: both EC_GROUPs must use the same EC_METHOD.
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* \param dst destination EC_GROUP object
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* \param src source EC_GROUP object
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* \return 1 on success and 0 if an error occurred.
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*/
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int EC_GROUP_copy(EC_GROUP *dst, const EC_GROUP *src); |
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/** Creates a new EC_GROUP object and copies the copies the content
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* form src to the newly created EC_KEY object
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* \param src source EC_GROUP object
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* \return newly created EC_GROUP object or NULL in case of an error.
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*/
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EC_GROUP *EC_GROUP_dup(const EC_GROUP *src);
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/** Returns the EC_METHOD of the EC_GROUP object.
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* \param group EC_GROUP object
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* \return EC_METHOD used in this EC_GROUP object.
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*/
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const EC_METHOD *EC_GROUP_method_of(const EC_GROUP *group); |
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/** Returns the field type of the EC_METHOD.
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* \param meth EC_METHOD object
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* \return NID of the underlying field type OID.
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*/
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int EC_METHOD_get_field_type(const EC_METHOD *meth); |
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/** Sets the generator and it's order/cofactor of a EC_GROUP object.
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* \param group EC_GROUP object
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* \param generator EC_POINT object with the generator.
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* \param order the order of the group generated by the generator.
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* \param cofactor the index of the sub-group generated by the generator
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* in the group of all points on the elliptic curve.
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* \return 1 on success and 0 if an error occured
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*/
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int EC_GROUP_set_generator(EC_GROUP *group, const EC_POINT *generator, |
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const BIGNUM *order, const BIGNUM *cofactor); |
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/** Returns the generator of a EC_GROUP object.
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* \param group EC_GROUP object
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* \return the currently used generator (possibly NULL).
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*/
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const EC_POINT *EC_GROUP_get0_generator(const EC_GROUP *group); |
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/** Gets the order of a EC_GROUP
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* \param group EC_GROUP object
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* \param order BIGNUM to which the order is copied
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* \param ctx BN_CTX object (optional)
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* \return 1 on success and 0 if an error occured
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*/
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int EC_GROUP_get_order(const EC_GROUP *group, BIGNUM *order, BN_CTX *ctx); |
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/** Gets the cofactor of a EC_GROUP
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* \param group EC_GROUP object
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* \param cofactor BIGNUM to which the cofactor is copied
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* \param ctx BN_CTX object (optional)
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* \return 1 on success and 0 if an error occured
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*/
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int EC_GROUP_get_cofactor(const EC_GROUP *group, BIGNUM *cofactor, |
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BN_CTX *ctx); |
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/** Sets the name of a EC_GROUP object
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* \param group EC_GROUP object
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* \param nid NID of the curve name OID
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*/
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void EC_GROUP_set_curve_name(EC_GROUP *group, int nid); |
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/** Returns the curve name of a EC_GROUP object
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* \param group EC_GROUP object
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* \return NID of the curve name OID or 0 if not set.
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*/
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int EC_GROUP_get_curve_name(const EC_GROUP *group); |
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void EC_GROUP_set_asn1_flag(EC_GROUP *group, int flag); |
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int EC_GROUP_get_asn1_flag(const EC_GROUP *group); |
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void EC_GROUP_set_point_conversion_form(EC_GROUP *group,
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point_conversion_form_t form); |
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point_conversion_form_t EC_GROUP_get_point_conversion_form(const EC_GROUP *);
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unsigned char *EC_GROUP_get0_seed(const EC_GROUP *x); |
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size_t EC_GROUP_get_seed_len(const EC_GROUP *);
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size_t EC_GROUP_set_seed(EC_GROUP *, const unsigned char *, size_t len); |
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/** Sets the parameter of a ec over GFp defined by y^2 = x^3 + a*x + b
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* \param group EC_GROUP object
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* \param p BIGNUM with the prime number
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* \param a BIGNUM with parameter a of the equation
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* \param b BIGNUM with parameter b of the equation
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* \param ctx BN_CTX object (optional)
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* \return 1 on success and 0 if an error occured
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*/
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int EC_GROUP_set_curve_GFp(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx);
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/** Gets the parameter of the ec over GFp defined by y^2 = x^3 + a*x + b
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* \param group EC_GROUP object
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* \param p BIGNUM for the prime number
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* \param a BIGNUM for parameter a of the equation
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* \param b BIGNUM for parameter b of the equation
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* \param ctx BN_CTX object (optional)
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* \return 1 on success and 0 if an error occured
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*/
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int EC_GROUP_get_curve_GFp(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, |
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BIGNUM *b, BN_CTX *ctx); |
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# ifndef OPENSSL_NO_EC2M
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/** Sets the parameter of a ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b
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* \param group EC_GROUP object
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* \param p BIGNUM with the polynomial defining the underlying field
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* \param a BIGNUM with parameter a of the equation
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* \param b BIGNUM with parameter b of the equation
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* \param ctx BN_CTX object (optional)
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* \return 1 on success and 0 if an error occured
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*/
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int EC_GROUP_set_curve_GF2m(EC_GROUP *group, const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx);
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/** Gets the parameter of the ec over GF2m defined by y^2 + x*y = x^3 + a*x^2 + b
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* \param group EC_GROUP object
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* \param p BIGNUM for the polynomial defining the underlying field
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* \param a BIGNUM for parameter a of the equation
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* \param b BIGNUM for parameter b of the equation
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* \param ctx BN_CTX object (optional)
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* \return 1 on success and 0 if an error occured
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*/
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int EC_GROUP_get_curve_GF2m(const EC_GROUP *group, BIGNUM *p, BIGNUM *a, |
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BIGNUM *b, BN_CTX *ctx); |
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# endif
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/** Returns the number of bits needed to represent a field element
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* \param group EC_GROUP object
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* \return number of bits needed to represent a field element
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*/
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int EC_GROUP_get_degree(const EC_GROUP *group); |
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/** Checks whether the parameter in the EC_GROUP define a valid ec group
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* \param group EC_GROUP object
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* \param ctx BN_CTX object (optional)
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* \return 1 if group is a valid ec group and 0 otherwise
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*/
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int EC_GROUP_check(const EC_GROUP *group, BN_CTX *ctx); |
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/** Checks whether the discriminant of the elliptic curve is zero or not
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* \param group EC_GROUP object
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* \param ctx BN_CTX object (optional)
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* \return 1 if the discriminant is not zero and 0 otherwise
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*/
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int EC_GROUP_check_discriminant(const EC_GROUP *group, BN_CTX *ctx); |
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/** Compares two EC_GROUP objects
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* \param a first EC_GROUP object
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* \param b second EC_GROUP object
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* \param ctx BN_CTX object (optional)
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* \return 0 if both groups are equal and 1 otherwise
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*/
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int EC_GROUP_cmp(const EC_GROUP *a, const EC_GROUP *b, BN_CTX *ctx); |
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/*
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* EC_GROUP_new_GF*() calls EC_GROUP_new() and EC_GROUP_set_GF*() after
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* choosing an appropriate EC_METHOD
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*/
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/** Creates a new EC_GROUP object with the specified parameters defined
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* over GFp (defined by the equation y^2 = x^3 + a*x + b)
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* \param p BIGNUM with the prime number
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* \param a BIGNUM with the parameter a of the equation
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* \param b BIGNUM with the parameter b of the equation
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* \param ctx BN_CTX object (optional)
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* \return newly created EC_GROUP object with the specified parameters
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*/
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EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx);
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# ifndef OPENSSL_NO_EC2M
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/** Creates a new EC_GROUP object with the specified parameters defined
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* over GF2m (defined by the equation y^2 + x*y = x^3 + a*x^2 + b)
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* \param p BIGNUM with the polynomial defining the underlying field
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* \param a BIGNUM with the parameter a of the equation
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* \param b BIGNUM with the parameter b of the equation
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* \param ctx BN_CTX object (optional)
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* \return newly created EC_GROUP object with the specified parameters
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*/
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EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, |
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const BIGNUM *b, BN_CTX *ctx);
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# endif
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/** Creates a EC_GROUP object with a curve specified by a NID
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* \param nid NID of the OID of the curve name
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* \return newly created EC_GROUP object with specified curve or NULL
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* if an error occurred
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*/
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EC_GROUP *EC_GROUP_new_by_curve_name(int nid);
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/********************************************************************/
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/* handling of internal curves */
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/********************************************************************/
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typedef struct { |
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int nid;
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const char *comment; |
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} EC_builtin_curve; |
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/*
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* EC_builtin_curves(EC_builtin_curve *r, size_t size) returns number of all
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* available curves or zero if a error occurred. In case r ist not zero
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* nitems EC_builtin_curve structures are filled with the data of the first
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* nitems internal groups
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*/
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size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems); |
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/********************************************************************/
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/* EC_POINT functions */
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/********************************************************************/
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/** Creates a new EC_POINT object for the specified EC_GROUP
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* \param group EC_GROUP the underlying EC_GROUP object
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* \return newly created EC_POINT object or NULL if an error occurred
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*/
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EC_POINT *EC_POINT_new(const EC_GROUP *group);
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/** Frees a EC_POINT object
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* \param point EC_POINT object to be freed
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*/
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void EC_POINT_free(EC_POINT *point);
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/** Clears and frees a EC_POINT object
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* \param point EC_POINT object to be cleared and freed
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*/
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void EC_POINT_clear_free(EC_POINT *point);
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/** Copies EC_POINT object
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* \param dst destination EC_POINT object
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* \param src source EC_POINT object
|
| 430 |
* \return 1 on success and 0 if an error occured
|
| 431 |
*/
|
| 432 |
int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src); |
| 433 |
|
| 434 |
/** Creates a new EC_POINT object and copies the content of the supplied
|
| 435 |
* EC_POINT
|
| 436 |
* \param src source EC_POINT object
|
| 437 |
* \param group underlying the EC_GROUP object
|
| 438 |
* \return newly created EC_POINT object or NULL if an error occurred
|
| 439 |
*/
|
| 440 |
EC_POINT *EC_POINT_dup(const EC_POINT *src, const EC_GROUP *group); |
| 441 |
|
| 442 |
/** Returns the EC_METHOD used in EC_POINT object
|
| 443 |
* \param point EC_POINT object
|
| 444 |
* \return the EC_METHOD used
|
| 445 |
*/
|
| 446 |
const EC_METHOD *EC_POINT_method_of(const EC_POINT *point); |
| 447 |
|
| 448 |
/** Sets a point to infinity (neutral element)
|
| 449 |
* \param group underlying EC_GROUP object
|
| 450 |
* \param point EC_POINT to set to infinity
|
| 451 |
* \return 1 on success and 0 if an error occured
|
| 452 |
*/
|
| 453 |
int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point); |
| 454 |
|
| 455 |
/** Sets the jacobian projective coordinates of a EC_POINT over GFp
|
| 456 |
* \param group underlying EC_GROUP object
|
| 457 |
* \param p EC_POINT object
|
| 458 |
* \param x BIGNUM with the x-coordinate
|
| 459 |
* \param y BIGNUM with the y-coordinate
|
| 460 |
* \param z BIGNUM with the z-coordinate
|
| 461 |
* \param ctx BN_CTX object (optional)
|
| 462 |
* \return 1 on success and 0 if an error occured
|
| 463 |
*/
|
| 464 |
int EC_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group, |
| 465 |
EC_POINT *p, const BIGNUM *x,
|
| 466 |
const BIGNUM *y, const BIGNUM *z, |
| 467 |
BN_CTX *ctx); |
| 468 |
|
| 469 |
/** Gets the jacobian projective coordinates of a EC_POINT over GFp
|
| 470 |
* \param group underlying EC_GROUP object
|
| 471 |
* \param p EC_POINT object
|
| 472 |
* \param x BIGNUM for the x-coordinate
|
| 473 |
* \param y BIGNUM for the y-coordinate
|
| 474 |
* \param z BIGNUM for the z-coordinate
|
| 475 |
* \param ctx BN_CTX object (optional)
|
| 476 |
* \return 1 on success and 0 if an error occured
|
| 477 |
*/
|
| 478 |
int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group, |
| 479 |
const EC_POINT *p, BIGNUM *x,
|
| 480 |
BIGNUM *y, BIGNUM *z, |
| 481 |
BN_CTX *ctx); |
| 482 |
|
| 483 |
/** Sets the affine coordinates of a EC_POINT over GFp
|
| 484 |
* \param group underlying EC_GROUP object
|
| 485 |
* \param p EC_POINT object
|
| 486 |
* \param x BIGNUM with the x-coordinate
|
| 487 |
* \param y BIGNUM with the y-coordinate
|
| 488 |
* \param ctx BN_CTX object (optional)
|
| 489 |
* \return 1 on success and 0 if an error occured
|
| 490 |
*/
|
| 491 |
int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p, |
| 492 |
const BIGNUM *x, const BIGNUM *y, |
| 493 |
BN_CTX *ctx); |
| 494 |
|
| 495 |
/** Gets the affine coordinates of a EC_POINT over GFp
|
| 496 |
* \param group underlying EC_GROUP object
|
| 497 |
* \param p EC_POINT object
|
| 498 |
* \param x BIGNUM for the x-coordinate
|
| 499 |
* \param y BIGNUM for the y-coordinate
|
| 500 |
* \param ctx BN_CTX object (optional)
|
| 501 |
* \return 1 on success and 0 if an error occured
|
| 502 |
*/
|
| 503 |
int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group, |
| 504 |
const EC_POINT *p, BIGNUM *x,
|
| 505 |
BIGNUM *y, BN_CTX *ctx); |
| 506 |
|
| 507 |
/** Sets the x9.62 compressed coordinates of a EC_POINT over GFp
|
| 508 |
* \param group underlying EC_GROUP object
|
| 509 |
* \param p EC_POINT object
|
| 510 |
* \param x BIGNUM with x-coordinate
|
| 511 |
* \param y_bit integer with the y-Bit (either 0 or 1)
|
| 512 |
* \param ctx BN_CTX object (optional)
|
| 513 |
* \return 1 on success and 0 if an error occured
|
| 514 |
*/
|
| 515 |
int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group, |
| 516 |
EC_POINT *p, const BIGNUM *x,
|
| 517 |
int y_bit, BN_CTX *ctx);
|
| 518 |
# ifndef OPENSSL_NO_EC2M
|
| 519 |
/** Sets the affine coordinates of a EC_POINT over GF2m
|
| 520 |
* \param group underlying EC_GROUP object
|
| 521 |
* \param p EC_POINT object
|
| 522 |
* \param x BIGNUM with the x-coordinate
|
| 523 |
* \param y BIGNUM with the y-coordinate
|
| 524 |
* \param ctx BN_CTX object (optional)
|
| 525 |
* \return 1 on success and 0 if an error occured
|
| 526 |
*/
|
| 527 |
int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p, |
| 528 |
const BIGNUM *x, const BIGNUM *y, |
| 529 |
BN_CTX *ctx); |
| 530 |
|
| 531 |
/** Gets the affine coordinates of a EC_POINT over GF2m
|
| 532 |
* \param group underlying EC_GROUP object
|
| 533 |
* \param p EC_POINT object
|
| 534 |
* \param x BIGNUM for the x-coordinate
|
| 535 |
* \param y BIGNUM for the y-coordinate
|
| 536 |
* \param ctx BN_CTX object (optional)
|
| 537 |
* \return 1 on success and 0 if an error occured
|
| 538 |
*/
|
| 539 |
int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group, |
| 540 |
const EC_POINT *p, BIGNUM *x,
|
| 541 |
BIGNUM *y, BN_CTX *ctx); |
| 542 |
|
| 543 |
/** Sets the x9.62 compressed coordinates of a EC_POINT over GF2m
|
| 544 |
* \param group underlying EC_GROUP object
|
| 545 |
* \param p EC_POINT object
|
| 546 |
* \param x BIGNUM with x-coordinate
|
| 547 |
* \param y_bit integer with the y-Bit (either 0 or 1)
|
| 548 |
* \param ctx BN_CTX object (optional)
|
| 549 |
* \return 1 on success and 0 if an error occured
|
| 550 |
*/
|
| 551 |
int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group, |
| 552 |
EC_POINT *p, const BIGNUM *x,
|
| 553 |
int y_bit, BN_CTX *ctx);
|
| 554 |
# endif
|
| 555 |
/** Encodes a EC_POINT object to a octet string
|
| 556 |
* \param group underlying EC_GROUP object
|
| 557 |
* \param p EC_POINT object
|
| 558 |
* \param form point conversion form
|
| 559 |
* \param buf memory buffer for the result. If NULL the function returns
|
| 560 |
* required buffer size.
|
| 561 |
* \param len length of the memory buffer
|
| 562 |
* \param ctx BN_CTX object (optional)
|
| 563 |
* \return the length of the encoded octet string or 0 if an error occurred
|
| 564 |
*/
|
| 565 |
size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p, |
| 566 |
point_conversion_form_t form, |
| 567 |
unsigned char *buf, size_t len, BN_CTX *ctx); |
| 568 |
|
| 569 |
/** Decodes a EC_POINT from a octet string
|
| 570 |
* \param group underlying EC_GROUP object
|
| 571 |
* \param p EC_POINT object
|
| 572 |
* \param buf memory buffer with the encoded ec point
|
| 573 |
* \param len length of the encoded ec point
|
| 574 |
* \param ctx BN_CTX object (optional)
|
| 575 |
* \return 1 on success and 0 if an error occured
|
| 576 |
*/
|
| 577 |
int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p, |
| 578 |
const unsigned char *buf, size_t len, BN_CTX *ctx); |
| 579 |
|
| 580 |
/* other interfaces to point2oct/oct2point: */
|
| 581 |
BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *, |
| 582 |
point_conversion_form_t form, BIGNUM *, BN_CTX *); |
| 583 |
EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *, |
| 584 |
EC_POINT *, BN_CTX *); |
| 585 |
char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *, |
| 586 |
point_conversion_form_t form, BN_CTX *); |
| 587 |
EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *, |
| 588 |
EC_POINT *, BN_CTX *); |
| 589 |
|
| 590 |
/********************************************************************/
|
| 591 |
/* functions for doing EC_POINT arithmetic */
|
| 592 |
/********************************************************************/
|
| 593 |
|
| 594 |
/** Computes the sum of two EC_POINT
|
| 595 |
* \param group underlying EC_GROUP object
|
| 596 |
* \param r EC_POINT object for the result (r = a + b)
|
| 597 |
* \param a EC_POINT object with the first summand
|
| 598 |
* \param b EC_POINT object with the second summand
|
| 599 |
* \param ctx BN_CTX object (optional)
|
| 600 |
* \return 1 on success and 0 if an error occured
|
| 601 |
*/
|
| 602 |
int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, |
| 603 |
const EC_POINT *b, BN_CTX *ctx);
|
| 604 |
|
| 605 |
/** Computes the double of a EC_POINT
|
| 606 |
* \param group underlying EC_GROUP object
|
| 607 |
* \param r EC_POINT object for the result (r = 2 * a)
|
| 608 |
* \param a EC_POINT object
|
| 609 |
* \param ctx BN_CTX object (optional)
|
| 610 |
* \return 1 on success and 0 if an error occured
|
| 611 |
*/
|
| 612 |
int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a, |
| 613 |
BN_CTX *ctx); |
| 614 |
|
| 615 |
/** Computes the inverse of a EC_POINT
|
| 616 |
* \param group underlying EC_GROUP object
|
| 617 |
* \param a EC_POINT object to be inverted (it's used for the result as well)
|
| 618 |
* \param ctx BN_CTX object (optional)
|
| 619 |
* \return 1 on success and 0 if an error occured
|
| 620 |
*/
|
| 621 |
int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx); |
| 622 |
|
| 623 |
/** Checks whether the point is the neutral element of the group
|
| 624 |
* \param group the underlying EC_GROUP object
|
| 625 |
* \param p EC_POINT object
|
| 626 |
* \return 1 if the point is the neutral element and 0 otherwise
|
| 627 |
*/
|
| 628 |
int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p); |
| 629 |
|
| 630 |
/** Checks whether the point is on the curve
|
| 631 |
* \param group underlying EC_GROUP object
|
| 632 |
* \param point EC_POINT object to check
|
| 633 |
* \param ctx BN_CTX object (optional)
|
| 634 |
* \return 1 if point if on the curve and 0 otherwise
|
| 635 |
*/
|
| 636 |
int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point, |
| 637 |
BN_CTX *ctx); |
| 638 |
|
| 639 |
/** Compares two EC_POINTs
|
| 640 |
* \param group underlying EC_GROUP object
|
| 641 |
* \param a first EC_POINT object
|
| 642 |
* \param b second EC_POINT object
|
| 643 |
* \param ctx BN_CTX object (optional)
|
| 644 |
* \return 0 if both points are equal and a value != 0 otherwise
|
| 645 |
*/
|
| 646 |
int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b, |
| 647 |
BN_CTX *ctx); |
| 648 |
|
| 649 |
int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx); |
| 650 |
int EC_POINTs_make_affine(const EC_GROUP *group, size_t num, |
| 651 |
EC_POINT *points[], BN_CTX *ctx); |
| 652 |
|
| 653 |
/** Computes r = generator * n sum_{i=0}^{num-1} p[i] * m[i]
|
| 654 |
* \param group underlying EC_GROUP object
|
| 655 |
* \param r EC_POINT object for the result
|
| 656 |
* \param n BIGNUM with the multiplier for the group generator (optional)
|
| 657 |
* \param num number futher summands
|
| 658 |
* \param p array of size num of EC_POINT objects
|
| 659 |
* \param m array of size num of BIGNUM objects
|
| 660 |
* \param ctx BN_CTX object (optional)
|
| 661 |
* \return 1 on success and 0 if an error occured
|
| 662 |
*/
|
| 663 |
int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, |
| 664 |
size_t num, const EC_POINT *p[], const BIGNUM *m[], |
| 665 |
BN_CTX *ctx); |
| 666 |
|
| 667 |
/** Computes r = generator * n + q * m
|
| 668 |
* \param group underlying EC_GROUP object
|
| 669 |
* \param r EC_POINT object for the result
|
| 670 |
* \param n BIGNUM with the multiplier for the group generator (optional)
|
| 671 |
* \param q EC_POINT object with the first factor of the second summand
|
| 672 |
* \param m BIGNUM with the second factor of the second summand
|
| 673 |
* \param ctx BN_CTX object (optional)
|
| 674 |
* \return 1 on success and 0 if an error occured
|
| 675 |
*/
|
| 676 |
int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n, |
| 677 |
const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx); |
| 678 |
|
| 679 |
/** Stores multiples of generator for faster point multiplication
|
| 680 |
* \param group EC_GROUP object
|
| 681 |
* \param ctx BN_CTX object (optional)
|
| 682 |
* \return 1 on success and 0 if an error occured
|
| 683 |
*/
|
| 684 |
int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
|
| 685 |
|
| 686 |
/** Reports whether a precomputation has been done
|
| 687 |
* \param group EC_GROUP object
|
| 688 |
* \return 1 if a pre-computation has been done and 0 otherwise
|
| 689 |
*/
|
| 690 |
int EC_GROUP_have_precompute_mult(const EC_GROUP *group); |
| 691 |
|
| 692 |
/********************************************************************/
|
| 693 |
/* ASN1 stuff */
|
| 694 |
/********************************************************************/
|
| 695 |
|
| 696 |
/*
|
| 697 |
* EC_GROUP_get_basis_type() returns the NID of the basis type used to
|
| 698 |
* represent the field elements
|
| 699 |
*/
|
| 700 |
int EC_GROUP_get_basis_type(const EC_GROUP *); |
| 701 |
# ifndef OPENSSL_NO_EC2M
|
| 702 |
int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k); |
| 703 |
int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1, |
| 704 |
unsigned int *k2, unsigned int *k3); |
| 705 |
# endif
|
| 706 |
|
| 707 |
# define OPENSSL_EC_NAMED_CURVE 0x001 |
| 708 |
|
| 709 |
typedef struct ecpk_parameters_st ECPKPARAMETERS; |
| 710 |
|
| 711 |
EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len); |
| 712 |
int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out); |
| 713 |
|
| 714 |
# define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x) |
| 715 |
# define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x)
|
| 716 |
# define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \ |
| 717 |
(char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x)) |
| 718 |
# define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \
|
| 719 |
(unsigned char *)(x)) |
| 720 |
|
| 721 |
# ifndef OPENSSL_NO_BIO
|
| 722 |
int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off); |
| 723 |
# endif
|
| 724 |
# ifndef OPENSSL_NO_FP_API
|
| 725 |
int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off); |
| 726 |
# endif
|
| 727 |
|
| 728 |
/********************************************************************/
|
| 729 |
/* EC_KEY functions */
|
| 730 |
/********************************************************************/
|
| 731 |
|
| 732 |
typedef struct ec_key_st EC_KEY; |
| 733 |
|
| 734 |
/* some values for the encoding_flag */
|
| 735 |
# define EC_PKEY_NO_PARAMETERS 0x001 |
| 736 |
# define EC_PKEY_NO_PUBKEY 0x002 |
| 737 |
|
| 738 |
/* some values for the flags field */
|
| 739 |
# define EC_FLAG_NON_FIPS_ALLOW 0x1 |
| 740 |
# define EC_FLAG_FIPS_CHECKED 0x2 |
| 741 |
|
| 742 |
/** Creates a new EC_KEY object.
|
| 743 |
* \return EC_KEY object or NULL if an error occurred.
|
| 744 |
*/
|
| 745 |
EC_KEY *EC_KEY_new(void);
|
| 746 |
|
| 747 |
int EC_KEY_get_flags(const EC_KEY *key); |
| 748 |
|
| 749 |
void EC_KEY_set_flags(EC_KEY *key, int flags); |
| 750 |
|
| 751 |
void EC_KEY_clear_flags(EC_KEY *key, int flags); |
| 752 |
|
| 753 |
/** Creates a new EC_KEY object using a named curve as underlying
|
| 754 |
* EC_GROUP object.
|
| 755 |
* \param nid NID of the named curve.
|
| 756 |
* \return EC_KEY object or NULL if an error occurred.
|
| 757 |
*/
|
| 758 |
EC_KEY *EC_KEY_new_by_curve_name(int nid);
|
| 759 |
|
| 760 |
/** Frees a EC_KEY object.
|
| 761 |
* \param key EC_KEY object to be freed.
|
| 762 |
*/
|
| 763 |
void EC_KEY_free(EC_KEY *key);
|
| 764 |
|
| 765 |
/** Copies a EC_KEY object.
|
| 766 |
* \param dst destination EC_KEY object
|
| 767 |
* \param src src EC_KEY object
|
| 768 |
* \return dst or NULL if an error occurred.
|
| 769 |
*/
|
| 770 |
EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src);
|
| 771 |
|
| 772 |
/** Creates a new EC_KEY object and copies the content from src to it.
|
| 773 |
* \param src the source EC_KEY object
|
| 774 |
* \return newly created EC_KEY object or NULL if an error occurred.
|
| 775 |
*/
|
| 776 |
EC_KEY *EC_KEY_dup(const EC_KEY *src);
|
| 777 |
|
| 778 |
/** Increases the internal reference count of a EC_KEY object.
|
| 779 |
* \param key EC_KEY object
|
| 780 |
* \return 1 on success and 0 if an error occurred.
|
| 781 |
*/
|
| 782 |
int EC_KEY_up_ref(EC_KEY *key);
|
| 783 |
|
| 784 |
/** Returns the EC_GROUP object of a EC_KEY object
|
| 785 |
* \param key EC_KEY object
|
| 786 |
* \return the EC_GROUP object (possibly NULL).
|
| 787 |
*/
|
| 788 |
const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key); |
| 789 |
|
| 790 |
/** Sets the EC_GROUP of a EC_KEY object.
|
| 791 |
* \param key EC_KEY object
|
| 792 |
* \param group EC_GROUP to use in the EC_KEY object (note: the EC_KEY
|
| 793 |
* object will use an own copy of the EC_GROUP).
|
| 794 |
* \return 1 on success and 0 if an error occurred.
|
| 795 |
*/
|
| 796 |
int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group); |
| 797 |
|
| 798 |
/** Returns the private key of a EC_KEY object.
|
| 799 |
* \param key EC_KEY object
|
| 800 |
* \return a BIGNUM with the private key (possibly NULL).
|
| 801 |
*/
|
| 802 |
const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key); |
| 803 |
|
| 804 |
/** Sets the private key of a EC_KEY object.
|
| 805 |
* \param key EC_KEY object
|
| 806 |
* \param prv BIGNUM with the private key (note: the EC_KEY object
|
| 807 |
* will use an own copy of the BIGNUM).
|
| 808 |
* \return 1 on success and 0 if an error occurred.
|
| 809 |
*/
|
| 810 |
int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv); |
| 811 |
|
| 812 |
/** Returns the public key of a EC_KEY object.
|
| 813 |
* \param key the EC_KEY object
|
| 814 |
* \return a EC_POINT object with the public key (possibly NULL)
|
| 815 |
*/
|
| 816 |
const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key); |
| 817 |
|
| 818 |
/** Sets the public key of a EC_KEY object.
|
| 819 |
* \param key EC_KEY object
|
| 820 |
* \param pub EC_POINT object with the public key (note: the EC_KEY object
|
| 821 |
* will use an own copy of the EC_POINT object).
|
| 822 |
* \return 1 on success and 0 if an error occurred.
|
| 823 |
*/
|
| 824 |
int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub); |
| 825 |
|
| 826 |
unsigned EC_KEY_get_enc_flags(const EC_KEY *key); |
| 827 |
void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags); |
| 828 |
point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key);
|
| 829 |
void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform);
|
| 830 |
/* functions to set/get method specific data */
|
| 831 |
void *EC_KEY_get_key_method_data(EC_KEY *key,
|
| 832 |
void *(*dup_func) (void *), |
| 833 |
void (*free_func) (void *), |
| 834 |
void (*clear_free_func) (void *)); |
| 835 |
/** Sets the key method data of an EC_KEY object, if none has yet been set.
|
| 836 |
* \param key EC_KEY object
|
| 837 |
* \param data opaque data to install.
|
| 838 |
* \param dup_func a function that duplicates |data|.
|
| 839 |
* \param free_func a function that frees |data|.
|
| 840 |
* \param clear_free_func a function that wipes and frees |data|.
|
| 841 |
* \return the previously set data pointer, or NULL if |data| was inserted.
|
| 842 |
*/
|
| 843 |
void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data, |
| 844 |
void *(*dup_func) (void *), |
| 845 |
void (*free_func) (void *), |
| 846 |
void (*clear_free_func) (void *)); |
| 847 |
/* wrapper functions for the underlying EC_GROUP object */
|
| 848 |
void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag); |
| 849 |
|
| 850 |
/** Creates a table of pre-computed multiples of the generator to
|
| 851 |
* accelerate further EC_KEY operations.
|
| 852 |
* \param key EC_KEY object
|
| 853 |
* \param ctx BN_CTX object (optional)
|
| 854 |
* \return 1 on success and 0 if an error occurred.
|
| 855 |
*/
|
| 856 |
int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx);
|
| 857 |
|
| 858 |
/** Creates a new ec private (and optional a new public) key.
|
| 859 |
* \param key EC_KEY object
|
| 860 |
* \return 1 on success and 0 if an error occurred.
|
| 861 |
*/
|
| 862 |
int EC_KEY_generate_key(EC_KEY *key);
|
| 863 |
|
| 864 |
/** Verifies that a private and/or public key is valid.
|
| 865 |
* \param key the EC_KEY object
|
| 866 |
* \return 1 on success and 0 otherwise.
|
| 867 |
*/
|
| 868 |
int EC_KEY_check_key(const EC_KEY *key); |
| 869 |
|
| 870 |
/** Sets a public key from affine coordindates performing
|
| 871 |
* neccessary NIST PKV tests.
|
| 872 |
* \param key the EC_KEY object
|
| 873 |
* \param x public key x coordinate
|
| 874 |
* \param y public key y coordinate
|
| 875 |
* \return 1 on success and 0 otherwise.
|
| 876 |
*/
|
| 877 |
int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
|
| 878 |
BIGNUM *y); |
| 879 |
|
| 880 |
/********************************************************************/
|
| 881 |
/* de- and encoding functions for SEC1 ECPrivateKey */
|
| 882 |
/********************************************************************/
|
| 883 |
|
| 884 |
/** Decodes a private key from a memory buffer.
|
| 885 |
* \param key a pointer to a EC_KEY object which should be used (or NULL)
|
| 886 |
* \param in pointer to memory with the DER encoded private key
|
| 887 |
* \param len length of the DER encoded private key
|
| 888 |
* \return the decoded private key or NULL if an error occurred.
|
| 889 |
*/
|
| 890 |
EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len); |
| 891 |
|
| 892 |
/** Encodes a private key object and stores the result in a buffer.
|
| 893 |
* \param key the EC_KEY object to encode
|
| 894 |
* \param out the buffer for the result (if NULL the function returns number
|
| 895 |
* of bytes needed).
|
| 896 |
* \return 1 on success and 0 if an error occurred.
|
| 897 |
*/
|
| 898 |
int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out); |
| 899 |
|
| 900 |
/********************************************************************/
|
| 901 |
/* de- and encoding functions for EC parameters */
|
| 902 |
/********************************************************************/
|
| 903 |
|
| 904 |
/** Decodes ec parameter from a memory buffer.
|
| 905 |
* \param key a pointer to a EC_KEY object which should be used (or NULL)
|
| 906 |
* \param in pointer to memory with the DER encoded ec parameters
|
| 907 |
* \param len length of the DER encoded ec parameters
|
| 908 |
* \return a EC_KEY object with the decoded parameters or NULL if an error
|
| 909 |
* occurred.
|
| 910 |
*/
|
| 911 |
EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len); |
| 912 |
|
| 913 |
/** Encodes ec parameter and stores the result in a buffer.
|
| 914 |
* \param key the EC_KEY object with ec paramters to encode
|
| 915 |
* \param out the buffer for the result (if NULL the function returns number
|
| 916 |
* of bytes needed).
|
| 917 |
* \return 1 on success and 0 if an error occurred.
|
| 918 |
*/
|
| 919 |
int i2d_ECParameters(EC_KEY *key, unsigned char **out); |
| 920 |
|
| 921 |
/********************************************************************/
|
| 922 |
/* de- and encoding functions for EC public key */
|
| 923 |
/* (octet string, not DER -- hence 'o2i' and 'i2o') */
|
| 924 |
/********************************************************************/
|
| 925 |
|
| 926 |
/** Decodes a ec public key from a octet string.
|
| 927 |
* \param key a pointer to a EC_KEY object which should be used
|
| 928 |
* \param in memory buffer with the encoded public key
|
| 929 |
* \param len length of the encoded public key
|
| 930 |
* \return EC_KEY object with decoded public key or NULL if an error
|
| 931 |
* occurred.
|
| 932 |
*/
|
| 933 |
EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len); |
| 934 |
|
| 935 |
/** Encodes a ec public key in an octet string.
|
| 936 |
* \param key the EC_KEY object with the public key
|
| 937 |
* \param out the buffer for the result (if NULL the function returns number
|
| 938 |
* of bytes needed).
|
| 939 |
* \return 1 on success and 0 if an error occurred
|
| 940 |
*/
|
| 941 |
int i2o_ECPublicKey(EC_KEY *key, unsigned char **out); |
| 942 |
|
| 943 |
# ifndef OPENSSL_NO_BIO
|
| 944 |
/** Prints out the ec parameters on human readable form.
|
| 945 |
* \param bp BIO object to which the information is printed
|
| 946 |
* \param key EC_KEY object
|
| 947 |
* \return 1 on success and 0 if an error occurred
|
| 948 |
*/
|
| 949 |
int ECParameters_print(BIO *bp, const EC_KEY *key); |
| 950 |
|
| 951 |
/** Prints out the contents of a EC_KEY object
|
| 952 |
* \param bp BIO object to which the information is printed
|
| 953 |
* \param key EC_KEY object
|
| 954 |
* \param off line offset
|
| 955 |
* \return 1 on success and 0 if an error occurred
|
| 956 |
*/
|
| 957 |
int EC_KEY_print(BIO *bp, const EC_KEY *key, int off); |
| 958 |
|
| 959 |
# endif
|
| 960 |
# ifndef OPENSSL_NO_FP_API
|
| 961 |
/** Prints out the ec parameters on human readable form.
|
| 962 |
* \param fp file descriptor to which the information is printed
|
| 963 |
* \param key EC_KEY object
|
| 964 |
* \return 1 on success and 0 if an error occurred
|
| 965 |
*/
|
| 966 |
int ECParameters_print_fp(FILE *fp, const EC_KEY *key); |
| 967 |
|
| 968 |
/** Prints out the contents of a EC_KEY object
|
| 969 |
* \param fp file descriptor to which the information is printed
|
| 970 |
* \param key EC_KEY object
|
| 971 |
* \param off line offset
|
| 972 |
* \return 1 on success and 0 if an error occurred
|
| 973 |
*/
|
| 974 |
int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off); |
| 975 |
|
| 976 |
# endif
|
| 977 |
|
| 978 |
# define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
|
| 979 |
|
| 980 |
# ifndef __cplusplus
|
| 981 |
# if defined(__SUNPRO_C)
|
| 982 |
# if __SUNPRO_C >= 0x520 |
| 983 |
# pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE) |
| 984 |
# endif
|
| 985 |
# endif
|
| 986 |
# endif
|
| 987 |
|
| 988 |
# define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \
|
| 989 |
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, EVP_PKEY_OP_PARAMGEN, \ |
| 990 |
EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL)
|
| 991 |
|
| 992 |
# define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1) |
| 993 |
|
| 994 |
/* BEGIN ERROR CODES */
|
| 995 |
/*
|
| 996 |
* The following lines are auto generated by the script mkerr.pl. Any changes
|
| 997 |
* made after this point may be overwritten when the script is next run.
|
| 998 |
*/
|
| 999 |
void ERR_load_EC_strings(void); |
| 1000 |
|
| 1001 |
/* Error codes for the EC functions. */
|
| 1002 |
|
| 1003 |
/* Function codes. */
|
| 1004 |
# define EC_F_BN_TO_FELEM 224 |
| 1005 |
# define EC_F_COMPUTE_WNAF 143 |
| 1006 |
# define EC_F_D2I_ECPARAMETERS 144 |
| 1007 |
# define EC_F_D2I_ECPKPARAMETERS 145 |
| 1008 |
# define EC_F_D2I_ECPRIVATEKEY 146 |
| 1009 |
# define EC_F_DO_EC_KEY_PRINT 221 |
| 1010 |
# define EC_F_ECKEY_PARAM2TYPE 223 |
| 1011 |
# define EC_F_ECKEY_PARAM_DECODE 212 |
| 1012 |
# define EC_F_ECKEY_PRIV_DECODE 213 |
| 1013 |
# define EC_F_ECKEY_PRIV_ENCODE 214 |
| 1014 |
# define EC_F_ECKEY_PUB_DECODE 215 |
| 1015 |
# define EC_F_ECKEY_PUB_ENCODE 216 |
| 1016 |
# define EC_F_ECKEY_TYPE2PARAM 220 |
| 1017 |
# define EC_F_ECPARAMETERS_PRINT 147 |
| 1018 |
# define EC_F_ECPARAMETERS_PRINT_FP 148 |
| 1019 |
# define EC_F_ECPKPARAMETERS_PRINT 149 |
| 1020 |
# define EC_F_ECPKPARAMETERS_PRINT_FP 150 |
| 1021 |
# define EC_F_ECP_NIST_MOD_192 203 |
| 1022 |
# define EC_F_ECP_NIST_MOD_224 204 |
| 1023 |
# define EC_F_ECP_NIST_MOD_256 205 |
| 1024 |
# define EC_F_ECP_NIST_MOD_521 206 |
| 1025 |
# define EC_F_EC_ASN1_GROUP2CURVE 153 |
| 1026 |
# define EC_F_EC_ASN1_GROUP2FIELDID 154 |
| 1027 |
# define EC_F_EC_ASN1_GROUP2PARAMETERS 155 |
| 1028 |
# define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156 |
| 1029 |
# define EC_F_EC_ASN1_PARAMETERS2GROUP 157 |
| 1030 |
# define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158 |
| 1031 |
# define EC_F_EC_EX_DATA_SET_DATA 211 |
| 1032 |
# define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208 |
| 1033 |
# define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159 |
| 1034 |
# define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195 |
| 1035 |
# define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160 |
| 1036 |
# define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161 |
| 1037 |
# define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162 |
| 1038 |
# define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163 |
| 1039 |
# define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164 |
| 1040 |
# define EC_F_EC_GFP_MONT_FIELD_DECODE 133 |
| 1041 |
# define EC_F_EC_GFP_MONT_FIELD_ENCODE 134 |
| 1042 |
# define EC_F_EC_GFP_MONT_FIELD_MUL 131 |
| 1043 |
# define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209 |
| 1044 |
# define EC_F_EC_GFP_MONT_FIELD_SQR 132 |
| 1045 |
# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189 |
| 1046 |
# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135 |
| 1047 |
# define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 225 |
| 1048 |
# define EC_F_EC_GFP_NISTP224_POINTS_MUL 228 |
| 1049 |
# define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 226 |
| 1050 |
# define EC_F_EC_GFP_NISTP256_GROUP_SET_CURVE 230 |
| 1051 |
# define EC_F_EC_GFP_NISTP256_POINTS_MUL 231 |
| 1052 |
# define EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES 232 |
| 1053 |
# define EC_F_EC_GFP_NISTP521_GROUP_SET_CURVE 233 |
| 1054 |
# define EC_F_EC_GFP_NISTP521_POINTS_MUL 234 |
| 1055 |
# define EC_F_EC_GFP_NISTP521_POINT_GET_AFFINE_COORDINATES 235 |
| 1056 |
# define EC_F_EC_GFP_NIST_FIELD_MUL 200 |
| 1057 |
# define EC_F_EC_GFP_NIST_FIELD_SQR 201 |
| 1058 |
# define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202 |
| 1059 |
# define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165 |
| 1060 |
# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166 |
| 1061 |
# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100 |
| 1062 |
# define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101 |
| 1063 |
# define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102 |
| 1064 |
# define EC_F_EC_GFP_SIMPLE_OCT2POINT 103 |
| 1065 |
# define EC_F_EC_GFP_SIMPLE_POINT2OCT 104 |
| 1066 |
# define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137 |
| 1067 |
# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167 |
| 1068 |
# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105 |
| 1069 |
# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168 |
| 1070 |
# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128 |
| 1071 |
# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169 |
| 1072 |
# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129 |
| 1073 |
# define EC_F_EC_GROUP_CHECK 170 |
| 1074 |
# define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171 |
| 1075 |
# define EC_F_EC_GROUP_COPY 106 |
| 1076 |
# define EC_F_EC_GROUP_GET0_GENERATOR 139 |
| 1077 |
# define EC_F_EC_GROUP_GET_COFACTOR 140 |
| 1078 |
# define EC_F_EC_GROUP_GET_CURVE_GF2M 172 |
| 1079 |
# define EC_F_EC_GROUP_GET_CURVE_GFP 130 |
| 1080 |
# define EC_F_EC_GROUP_GET_DEGREE 173 |
| 1081 |
# define EC_F_EC_GROUP_GET_ORDER 141 |
| 1082 |
# define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193 |
| 1083 |
# define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194 |
| 1084 |
# define EC_F_EC_GROUP_NEW 108 |
| 1085 |
# define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174 |
| 1086 |
# define EC_F_EC_GROUP_NEW_FROM_DATA 175 |
| 1087 |
# define EC_F_EC_GROUP_PRECOMPUTE_MULT 142 |
| 1088 |
# define EC_F_EC_GROUP_SET_CURVE_GF2M 176 |
| 1089 |
# define EC_F_EC_GROUP_SET_CURVE_GFP 109 |
| 1090 |
# define EC_F_EC_GROUP_SET_EXTRA_DATA 110 |
| 1091 |
# define EC_F_EC_GROUP_SET_GENERATOR 111 |
| 1092 |
# define EC_F_EC_KEY_CHECK_KEY 177 |
| 1093 |
# define EC_F_EC_KEY_COPY 178 |
| 1094 |
# define EC_F_EC_KEY_GENERATE_KEY 179 |
| 1095 |
# define EC_F_EC_KEY_NEW 182 |
| 1096 |
# define EC_F_EC_KEY_PRINT 180 |
| 1097 |
# define EC_F_EC_KEY_PRINT_FP 181 |
| 1098 |
# define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 229 |
| 1099 |
# define EC_F_EC_POINTS_MAKE_AFFINE 136 |
| 1100 |
# define EC_F_EC_POINT_ADD 112 |
| 1101 |
# define EC_F_EC_POINT_CMP 113 |
| 1102 |
# define EC_F_EC_POINT_COPY 114 |
| 1103 |
# define EC_F_EC_POINT_DBL 115 |
| 1104 |
# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183 |
| 1105 |
# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116 |
| 1106 |
# define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117 |
| 1107 |
# define EC_F_EC_POINT_INVERT 210 |
| 1108 |
# define EC_F_EC_POINT_IS_AT_INFINITY 118 |
| 1109 |
# define EC_F_EC_POINT_IS_ON_CURVE 119 |
| 1110 |
# define EC_F_EC_POINT_MAKE_AFFINE 120 |
| 1111 |
# define EC_F_EC_POINT_MUL 184 |
| 1112 |
# define EC_F_EC_POINT_NEW 121 |
| 1113 |
# define EC_F_EC_POINT_OCT2POINT 122 |
| 1114 |
# define EC_F_EC_POINT_POINT2OCT 123 |
| 1115 |
# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185 |
| 1116 |
# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124 |
| 1117 |
# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186 |
| 1118 |
# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125 |
| 1119 |
# define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126 |
| 1120 |
# define EC_F_EC_POINT_SET_TO_INFINITY 127 |
| 1121 |
# define EC_F_EC_PRE_COMP_DUP 207 |
| 1122 |
# define EC_F_EC_PRE_COMP_NEW 196 |
| 1123 |
# define EC_F_EC_WNAF_MUL 187 |
| 1124 |
# define EC_F_EC_WNAF_PRECOMPUTE_MULT 188 |
| 1125 |
# define EC_F_I2D_ECPARAMETERS 190 |
| 1126 |
# define EC_F_I2D_ECPKPARAMETERS 191 |
| 1127 |
# define EC_F_I2D_ECPRIVATEKEY 192 |
| 1128 |
# define EC_F_I2O_ECPUBLICKEY 151 |
| 1129 |
# define EC_F_NISTP224_PRE_COMP_NEW 227 |
| 1130 |
# define EC_F_NISTP256_PRE_COMP_NEW 236 |
| 1131 |
# define EC_F_NISTP521_PRE_COMP_NEW 237 |
| 1132 |
# define EC_F_O2I_ECPUBLICKEY 152 |
| 1133 |
# define EC_F_OLD_EC_PRIV_DECODE 222 |
| 1134 |
# define EC_F_PKEY_EC_CTRL 197 |
| 1135 |
# define EC_F_PKEY_EC_CTRL_STR 198 |
| 1136 |
# define EC_F_PKEY_EC_DERIVE 217 |
| 1137 |
# define EC_F_PKEY_EC_KEYGEN 199 |
| 1138 |
# define EC_F_PKEY_EC_PARAMGEN 219 |
| 1139 |
# define EC_F_PKEY_EC_SIGN 218 |
| 1140 |
|
| 1141 |
/* Reason codes. */
|
| 1142 |
# define EC_R_ASN1_ERROR 115 |
| 1143 |
# define EC_R_ASN1_UNKNOWN_FIELD 116 |
| 1144 |
# define EC_R_BIGNUM_OUT_OF_RANGE 144 |
| 1145 |
# define EC_R_BUFFER_TOO_SMALL 100 |
| 1146 |
# define EC_R_COORDINATES_OUT_OF_RANGE 146 |
| 1147 |
# define EC_R_D2I_ECPKPARAMETERS_FAILURE 117 |
| 1148 |
# define EC_R_DECODE_ERROR 142 |
| 1149 |
# define EC_R_DISCRIMINANT_IS_ZERO 118 |
| 1150 |
# define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119 |
| 1151 |
# define EC_R_FIELD_TOO_LARGE 143 |
| 1152 |
# define EC_R_GF2M_NOT_SUPPORTED 147 |
| 1153 |
# define EC_R_GROUP2PKPARAMETERS_FAILURE 120 |
| 1154 |
# define EC_R_I2D_ECPKPARAMETERS_FAILURE 121 |
| 1155 |
# define EC_R_INCOMPATIBLE_OBJECTS 101 |
| 1156 |
# define EC_R_INVALID_ARGUMENT 112 |
| 1157 |
# define EC_R_INVALID_COMPRESSED_POINT 110 |
| 1158 |
# define EC_R_INVALID_COMPRESSION_BIT 109 |
| 1159 |
# define EC_R_INVALID_CURVE 141 |
| 1160 |
# define EC_R_INVALID_DIGEST_TYPE 138 |
| 1161 |
# define EC_R_INVALID_ENCODING 102 |
| 1162 |
# define EC_R_INVALID_FIELD 103 |
| 1163 |
# define EC_R_INVALID_FORM 104 |
| 1164 |
# define EC_R_INVALID_GROUP_ORDER 122 |
| 1165 |
# define EC_R_INVALID_PENTANOMIAL_BASIS 132 |
| 1166 |
# define EC_R_INVALID_PRIVATE_KEY 123 |
| 1167 |
# define EC_R_INVALID_TRINOMIAL_BASIS 137 |
| 1168 |
# define EC_R_KEYS_NOT_SET 140 |
| 1169 |
# define EC_R_MISSING_PARAMETERS 124 |
| 1170 |
# define EC_R_MISSING_PRIVATE_KEY 125 |
| 1171 |
# define EC_R_NOT_A_NIST_PRIME 135 |
| 1172 |
# define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136 |
| 1173 |
# define EC_R_NOT_IMPLEMENTED 126 |
| 1174 |
# define EC_R_NOT_INITIALIZED 111 |
| 1175 |
# define EC_R_NO_FIELD_MOD 133 |
| 1176 |
# define EC_R_NO_PARAMETERS_SET 139 |
| 1177 |
# define EC_R_PASSED_NULL_PARAMETER 134 |
| 1178 |
# define EC_R_PKPARAMETERS2GROUP_FAILURE 127 |
| 1179 |
# define EC_R_POINT_AT_INFINITY 106 |
| 1180 |
# define EC_R_POINT_IS_NOT_ON_CURVE 107 |
| 1181 |
# define EC_R_SLOT_FULL 108 |
| 1182 |
# define EC_R_UNDEFINED_GENERATOR 113 |
| 1183 |
# define EC_R_UNDEFINED_ORDER 128 |
| 1184 |
# define EC_R_UNKNOWN_GROUP 129 |
| 1185 |
# define EC_R_UNKNOWN_ORDER 114 |
| 1186 |
# define EC_R_UNSUPPORTED_FIELD 131 |
| 1187 |
# define EC_R_WRONG_CURVE_PARAMETERS 145 |
| 1188 |
# define EC_R_WRONG_ORDER 130 |
| 1189 |
|
| 1190 |
#ifdef __cplusplus
|
| 1191 |
} |
| 1192 |
#endif
|
| 1193 |
#endif
|