1282 lines
55 KiB
C
1282 lines
55 KiB
C
/* 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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/** Returns the montgomery data for order(Generator)
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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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BN_MONT_CTX *EC_GROUP_get_mont_data(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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const char *EC_curve_nid2nist(int nid);
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int EC_curve_nist2nid(const char *name);
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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
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* \return 1 on success and 0 if an error occured
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*/
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int EC_POINT_copy(EC_POINT *dst, const EC_POINT *src);
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/** Creates a new EC_POINT object and copies the content of the supplied
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* EC_POINT
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* \param src source EC_POINT object
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* \param group underlying the 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_dup(const EC_POINT *src, const EC_GROUP *group);
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/** Returns the EC_METHOD used in EC_POINT object
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* \param point EC_POINT object
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* \return the EC_METHOD used
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*/
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const EC_METHOD *EC_POINT_method_of(const EC_POINT *point);
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/** Sets a point to infinity (neutral element)
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* \param group underlying EC_GROUP object
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* \param point EC_POINT to set to infinity
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* \return 1 on success and 0 if an error occured
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*/
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int EC_POINT_set_to_infinity(const EC_GROUP *group, EC_POINT *point);
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/** Sets the jacobian projective coordinates of a EC_POINT over GFp
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* \param group underlying EC_GROUP object
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* \param p EC_POINT object
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* \param x BIGNUM with the x-coordinate
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* \param y BIGNUM with the y-coordinate
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* \param z BIGNUM with the z-coordinate
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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_POINT_set_Jprojective_coordinates_GFp(const EC_GROUP *group,
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|
EC_POINT *p, const BIGNUM *x,
|
|
const BIGNUM *y, const BIGNUM *z,
|
|
BN_CTX *ctx);
|
|
|
|
/** Gets the jacobian projective coordinates of a EC_POINT over GFp
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param x BIGNUM for the x-coordinate
|
|
* \param y BIGNUM for the y-coordinate
|
|
* \param z BIGNUM for the z-coordinate
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_get_Jprojective_coordinates_GFp(const EC_GROUP *group,
|
|
const EC_POINT *p, BIGNUM *x,
|
|
BIGNUM *y, BIGNUM *z,
|
|
BN_CTX *ctx);
|
|
|
|
/** Sets the affine coordinates of a EC_POINT over GFp
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param x BIGNUM with the x-coordinate
|
|
* \param y BIGNUM with the y-coordinate
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_set_affine_coordinates_GFp(const EC_GROUP *group, EC_POINT *p,
|
|
const BIGNUM *x, const BIGNUM *y,
|
|
BN_CTX *ctx);
|
|
|
|
/** Gets the affine coordinates of a EC_POINT over GFp
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param x BIGNUM for the x-coordinate
|
|
* \param y BIGNUM for the y-coordinate
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_get_affine_coordinates_GFp(const EC_GROUP *group,
|
|
const EC_POINT *p, BIGNUM *x,
|
|
BIGNUM *y, BN_CTX *ctx);
|
|
|
|
/** Sets the x9.62 compressed coordinates of a EC_POINT over GFp
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param x BIGNUM with x-coordinate
|
|
* \param y_bit integer with the y-Bit (either 0 or 1)
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_set_compressed_coordinates_GFp(const EC_GROUP *group,
|
|
EC_POINT *p, const BIGNUM *x,
|
|
int y_bit, BN_CTX *ctx);
|
|
# ifndef OPENSSL_NO_EC2M
|
|
/** Sets the affine coordinates of a EC_POINT over GF2m
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param x BIGNUM with the x-coordinate
|
|
* \param y BIGNUM with the y-coordinate
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_set_affine_coordinates_GF2m(const EC_GROUP *group, EC_POINT *p,
|
|
const BIGNUM *x, const BIGNUM *y,
|
|
BN_CTX *ctx);
|
|
|
|
/** Gets the affine coordinates of a EC_POINT over GF2m
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param x BIGNUM for the x-coordinate
|
|
* \param y BIGNUM for the y-coordinate
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_get_affine_coordinates_GF2m(const EC_GROUP *group,
|
|
const EC_POINT *p, BIGNUM *x,
|
|
BIGNUM *y, BN_CTX *ctx);
|
|
|
|
/** Sets the x9.62 compressed coordinates of a EC_POINT over GF2m
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param x BIGNUM with x-coordinate
|
|
* \param y_bit integer with the y-Bit (either 0 or 1)
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_set_compressed_coordinates_GF2m(const EC_GROUP *group,
|
|
EC_POINT *p, const BIGNUM *x,
|
|
int y_bit, BN_CTX *ctx);
|
|
# endif
|
|
/** Encodes a EC_POINT object to a octet string
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param form point conversion form
|
|
* \param buf memory buffer for the result. If NULL the function returns
|
|
* required buffer size.
|
|
* \param len length of the memory buffer
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return the length of the encoded octet string or 0 if an error occurred
|
|
*/
|
|
size_t EC_POINT_point2oct(const EC_GROUP *group, const EC_POINT *p,
|
|
point_conversion_form_t form,
|
|
unsigned char *buf, size_t len, BN_CTX *ctx);
|
|
|
|
/** Decodes a EC_POINT from a octet string
|
|
* \param group underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \param buf memory buffer with the encoded ec point
|
|
* \param len length of the encoded ec point
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_oct2point(const EC_GROUP *group, EC_POINT *p,
|
|
const unsigned char *buf, size_t len, BN_CTX *ctx);
|
|
|
|
/* other interfaces to point2oct/oct2point: */
|
|
BIGNUM *EC_POINT_point2bn(const EC_GROUP *, const EC_POINT *,
|
|
point_conversion_form_t form, BIGNUM *, BN_CTX *);
|
|
EC_POINT *EC_POINT_bn2point(const EC_GROUP *, const BIGNUM *,
|
|
EC_POINT *, BN_CTX *);
|
|
char *EC_POINT_point2hex(const EC_GROUP *, const EC_POINT *,
|
|
point_conversion_form_t form, BN_CTX *);
|
|
EC_POINT *EC_POINT_hex2point(const EC_GROUP *, const char *,
|
|
EC_POINT *, BN_CTX *);
|
|
|
|
/********************************************************************/
|
|
/* functions for doing EC_POINT arithmetic */
|
|
/********************************************************************/
|
|
|
|
/** Computes the sum of two EC_POINT
|
|
* \param group underlying EC_GROUP object
|
|
* \param r EC_POINT object for the result (r = a + b)
|
|
* \param a EC_POINT object with the first summand
|
|
* \param b EC_POINT object with the second summand
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_add(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
|
|
const EC_POINT *b, BN_CTX *ctx);
|
|
|
|
/** Computes the double of a EC_POINT
|
|
* \param group underlying EC_GROUP object
|
|
* \param r EC_POINT object for the result (r = 2 * a)
|
|
* \param a EC_POINT object
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_dbl(const EC_GROUP *group, EC_POINT *r, const EC_POINT *a,
|
|
BN_CTX *ctx);
|
|
|
|
/** Computes the inverse of a EC_POINT
|
|
* \param group underlying EC_GROUP object
|
|
* \param a EC_POINT object to be inverted (it's used for the result as well)
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_invert(const EC_GROUP *group, EC_POINT *a, BN_CTX *ctx);
|
|
|
|
/** Checks whether the point is the neutral element of the group
|
|
* \param group the underlying EC_GROUP object
|
|
* \param p EC_POINT object
|
|
* \return 1 if the point is the neutral element and 0 otherwise
|
|
*/
|
|
int EC_POINT_is_at_infinity(const EC_GROUP *group, const EC_POINT *p);
|
|
|
|
/** Checks whether the point is on the curve
|
|
* \param group underlying EC_GROUP object
|
|
* \param point EC_POINT object to check
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 if point if on the curve and 0 otherwise
|
|
*/
|
|
int EC_POINT_is_on_curve(const EC_GROUP *group, const EC_POINT *point,
|
|
BN_CTX *ctx);
|
|
|
|
/** Compares two EC_POINTs
|
|
* \param group underlying EC_GROUP object
|
|
* \param a first EC_POINT object
|
|
* \param b second EC_POINT object
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 0 if both points are equal and a value != 0 otherwise
|
|
*/
|
|
int EC_POINT_cmp(const EC_GROUP *group, const EC_POINT *a, const EC_POINT *b,
|
|
BN_CTX *ctx);
|
|
|
|
int EC_POINT_make_affine(const EC_GROUP *group, EC_POINT *point, BN_CTX *ctx);
|
|
int EC_POINTs_make_affine(const EC_GROUP *group, size_t num,
|
|
EC_POINT *points[], BN_CTX *ctx);
|
|
|
|
/** Computes r = generator * n sum_{i=0}^{num-1} p[i] * m[i]
|
|
* \param group underlying EC_GROUP object
|
|
* \param r EC_POINT object for the result
|
|
* \param n BIGNUM with the multiplier for the group generator (optional)
|
|
* \param num number futher summands
|
|
* \param p array of size num of EC_POINT objects
|
|
* \param m array of size num of BIGNUM objects
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINTs_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
|
|
size_t num, const EC_POINT *p[], const BIGNUM *m[],
|
|
BN_CTX *ctx);
|
|
|
|
/** Computes r = generator * n + q * m
|
|
* \param group underlying EC_GROUP object
|
|
* \param r EC_POINT object for the result
|
|
* \param n BIGNUM with the multiplier for the group generator (optional)
|
|
* \param q EC_POINT object with the first factor of the second summand
|
|
* \param m BIGNUM with the second factor of the second summand
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_POINT_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *n,
|
|
const EC_POINT *q, const BIGNUM *m, BN_CTX *ctx);
|
|
|
|
/** Stores multiples of generator for faster point multiplication
|
|
* \param group EC_GROUP object
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occured
|
|
*/
|
|
int EC_GROUP_precompute_mult(EC_GROUP *group, BN_CTX *ctx);
|
|
|
|
/** Reports whether a precomputation has been done
|
|
* \param group EC_GROUP object
|
|
* \return 1 if a pre-computation has been done and 0 otherwise
|
|
*/
|
|
int EC_GROUP_have_precompute_mult(const EC_GROUP *group);
|
|
|
|
/********************************************************************/
|
|
/* ASN1 stuff */
|
|
/********************************************************************/
|
|
|
|
/*
|
|
* EC_GROUP_get_basis_type() returns the NID of the basis type used to
|
|
* represent the field elements
|
|
*/
|
|
int EC_GROUP_get_basis_type(const EC_GROUP *);
|
|
# ifndef OPENSSL_NO_EC2M
|
|
int EC_GROUP_get_trinomial_basis(const EC_GROUP *, unsigned int *k);
|
|
int EC_GROUP_get_pentanomial_basis(const EC_GROUP *, unsigned int *k1,
|
|
unsigned int *k2, unsigned int *k3);
|
|
# endif
|
|
|
|
# define OPENSSL_EC_NAMED_CURVE 0x001
|
|
|
|
typedef struct ecpk_parameters_st ECPKPARAMETERS;
|
|
|
|
EC_GROUP *d2i_ECPKParameters(EC_GROUP **, const unsigned char **in, long len);
|
|
int i2d_ECPKParameters(const EC_GROUP *, unsigned char **out);
|
|
|
|
# define d2i_ECPKParameters_bio(bp,x) ASN1_d2i_bio_of(EC_GROUP,NULL,d2i_ECPKParameters,bp,x)
|
|
# define i2d_ECPKParameters_bio(bp,x) ASN1_i2d_bio_of_const(EC_GROUP,i2d_ECPKParameters,bp,x)
|
|
# define d2i_ECPKParameters_fp(fp,x) (EC_GROUP *)ASN1_d2i_fp(NULL, \
|
|
(char *(*)())d2i_ECPKParameters,(fp),(unsigned char **)(x))
|
|
# define i2d_ECPKParameters_fp(fp,x) ASN1_i2d_fp(i2d_ECPKParameters,(fp), \
|
|
(unsigned char *)(x))
|
|
|
|
# ifndef OPENSSL_NO_BIO
|
|
int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off);
|
|
# endif
|
|
# ifndef OPENSSL_NO_FP_API
|
|
int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off);
|
|
# endif
|
|
|
|
/********************************************************************/
|
|
/* EC_KEY functions */
|
|
/********************************************************************/
|
|
|
|
typedef struct ec_key_st EC_KEY;
|
|
|
|
/* some values for the encoding_flag */
|
|
# define EC_PKEY_NO_PARAMETERS 0x001
|
|
# define EC_PKEY_NO_PUBKEY 0x002
|
|
|
|
/* some values for the flags field */
|
|
# define EC_FLAG_NON_FIPS_ALLOW 0x1
|
|
# define EC_FLAG_FIPS_CHECKED 0x2
|
|
|
|
/** Creates a new EC_KEY object.
|
|
* \return EC_KEY object or NULL if an error occurred.
|
|
*/
|
|
EC_KEY *EC_KEY_new(void);
|
|
|
|
int EC_KEY_get_flags(const EC_KEY *key);
|
|
|
|
void EC_KEY_set_flags(EC_KEY *key, int flags);
|
|
|
|
void EC_KEY_clear_flags(EC_KEY *key, int flags);
|
|
|
|
/** Creates a new EC_KEY object using a named curve as underlying
|
|
* EC_GROUP object.
|
|
* \param nid NID of the named curve.
|
|
* \return EC_KEY object or NULL if an error occurred.
|
|
*/
|
|
EC_KEY *EC_KEY_new_by_curve_name(int nid);
|
|
|
|
/** Frees a EC_KEY object.
|
|
* \param key EC_KEY object to be freed.
|
|
*/
|
|
void EC_KEY_free(EC_KEY *key);
|
|
|
|
/** Copies a EC_KEY object.
|
|
* \param dst destination EC_KEY object
|
|
* \param src src EC_KEY object
|
|
* \return dst or NULL if an error occurred.
|
|
*/
|
|
EC_KEY *EC_KEY_copy(EC_KEY *dst, const EC_KEY *src);
|
|
|
|
/** Creates a new EC_KEY object and copies the content from src to it.
|
|
* \param src the source EC_KEY object
|
|
* \return newly created EC_KEY object or NULL if an error occurred.
|
|
*/
|
|
EC_KEY *EC_KEY_dup(const EC_KEY *src);
|
|
|
|
/** Increases the internal reference count of a EC_KEY object.
|
|
* \param key EC_KEY object
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int EC_KEY_up_ref(EC_KEY *key);
|
|
|
|
/** Returns the EC_GROUP object of a EC_KEY object
|
|
* \param key EC_KEY object
|
|
* \return the EC_GROUP object (possibly NULL).
|
|
*/
|
|
const EC_GROUP *EC_KEY_get0_group(const EC_KEY *key);
|
|
|
|
/** Sets the EC_GROUP of a EC_KEY object.
|
|
* \param key EC_KEY object
|
|
* \param group EC_GROUP to use in the EC_KEY object (note: the EC_KEY
|
|
* object will use an own copy of the EC_GROUP).
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int EC_KEY_set_group(EC_KEY *key, const EC_GROUP *group);
|
|
|
|
/** Returns the private key of a EC_KEY object.
|
|
* \param key EC_KEY object
|
|
* \return a BIGNUM with the private key (possibly NULL).
|
|
*/
|
|
const BIGNUM *EC_KEY_get0_private_key(const EC_KEY *key);
|
|
|
|
/** Sets the private key of a EC_KEY object.
|
|
* \param key EC_KEY object
|
|
* \param prv BIGNUM with the private key (note: the EC_KEY object
|
|
* will use an own copy of the BIGNUM).
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int EC_KEY_set_private_key(EC_KEY *key, const BIGNUM *prv);
|
|
|
|
/** Returns the public key of a EC_KEY object.
|
|
* \param key the EC_KEY object
|
|
* \return a EC_POINT object with the public key (possibly NULL)
|
|
*/
|
|
const EC_POINT *EC_KEY_get0_public_key(const EC_KEY *key);
|
|
|
|
/** Sets the public key of a EC_KEY object.
|
|
* \param key EC_KEY object
|
|
* \param pub EC_POINT object with the public key (note: the EC_KEY object
|
|
* will use an own copy of the EC_POINT object).
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int EC_KEY_set_public_key(EC_KEY *key, const EC_POINT *pub);
|
|
|
|
unsigned EC_KEY_get_enc_flags(const EC_KEY *key);
|
|
void EC_KEY_set_enc_flags(EC_KEY *eckey, unsigned int flags);
|
|
point_conversion_form_t EC_KEY_get_conv_form(const EC_KEY *key);
|
|
void EC_KEY_set_conv_form(EC_KEY *eckey, point_conversion_form_t cform);
|
|
/* functions to set/get method specific data */
|
|
void *EC_KEY_get_key_method_data(EC_KEY *key,
|
|
void *(*dup_func) (void *),
|
|
void (*free_func) (void *),
|
|
void (*clear_free_func) (void *));
|
|
/** Sets the key method data of an EC_KEY object, if none has yet been set.
|
|
* \param key EC_KEY object
|
|
* \param data opaque data to install.
|
|
* \param dup_func a function that duplicates |data|.
|
|
* \param free_func a function that frees |data|.
|
|
* \param clear_free_func a function that wipes and frees |data|.
|
|
* \return the previously set data pointer, or NULL if |data| was inserted.
|
|
*/
|
|
void *EC_KEY_insert_key_method_data(EC_KEY *key, void *data,
|
|
void *(*dup_func) (void *),
|
|
void (*free_func) (void *),
|
|
void (*clear_free_func) (void *));
|
|
/* wrapper functions for the underlying EC_GROUP object */
|
|
void EC_KEY_set_asn1_flag(EC_KEY *eckey, int asn1_flag);
|
|
|
|
/** Creates a table of pre-computed multiples of the generator to
|
|
* accelerate further EC_KEY operations.
|
|
* \param key EC_KEY object
|
|
* \param ctx BN_CTX object (optional)
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int EC_KEY_precompute_mult(EC_KEY *key, BN_CTX *ctx);
|
|
|
|
/** Creates a new ec private (and optional a new public) key.
|
|
* \param key EC_KEY object
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int EC_KEY_generate_key(EC_KEY *key);
|
|
|
|
/** Verifies that a private and/or public key is valid.
|
|
* \param key the EC_KEY object
|
|
* \return 1 on success and 0 otherwise.
|
|
*/
|
|
int EC_KEY_check_key(const EC_KEY *key);
|
|
|
|
/** Sets a public key from affine coordindates performing
|
|
* neccessary NIST PKV tests.
|
|
* \param key the EC_KEY object
|
|
* \param x public key x coordinate
|
|
* \param y public key y coordinate
|
|
* \return 1 on success and 0 otherwise.
|
|
*/
|
|
int EC_KEY_set_public_key_affine_coordinates(EC_KEY *key, BIGNUM *x,
|
|
BIGNUM *y);
|
|
|
|
/********************************************************************/
|
|
/* de- and encoding functions for SEC1 ECPrivateKey */
|
|
/********************************************************************/
|
|
|
|
/** Decodes a private key from a memory buffer.
|
|
* \param key a pointer to a EC_KEY object which should be used (or NULL)
|
|
* \param in pointer to memory with the DER encoded private key
|
|
* \param len length of the DER encoded private key
|
|
* \return the decoded private key or NULL if an error occurred.
|
|
*/
|
|
EC_KEY *d2i_ECPrivateKey(EC_KEY **key, const unsigned char **in, long len);
|
|
|
|
/** Encodes a private key object and stores the result in a buffer.
|
|
* \param key the EC_KEY object to encode
|
|
* \param out the buffer for the result (if NULL the function returns number
|
|
* of bytes needed).
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int i2d_ECPrivateKey(EC_KEY *key, unsigned char **out);
|
|
|
|
/********************************************************************/
|
|
/* de- and encoding functions for EC parameters */
|
|
/********************************************************************/
|
|
|
|
/** Decodes ec parameter from a memory buffer.
|
|
* \param key a pointer to a EC_KEY object which should be used (or NULL)
|
|
* \param in pointer to memory with the DER encoded ec parameters
|
|
* \param len length of the DER encoded ec parameters
|
|
* \return a EC_KEY object with the decoded parameters or NULL if an error
|
|
* occurred.
|
|
*/
|
|
EC_KEY *d2i_ECParameters(EC_KEY **key, const unsigned char **in, long len);
|
|
|
|
/** Encodes ec parameter and stores the result in a buffer.
|
|
* \param key the EC_KEY object with ec paramters to encode
|
|
* \param out the buffer for the result (if NULL the function returns number
|
|
* of bytes needed).
|
|
* \return 1 on success and 0 if an error occurred.
|
|
*/
|
|
int i2d_ECParameters(EC_KEY *key, unsigned char **out);
|
|
|
|
/********************************************************************/
|
|
/* de- and encoding functions for EC public key */
|
|
/* (octet string, not DER -- hence 'o2i' and 'i2o') */
|
|
/********************************************************************/
|
|
|
|
/** Decodes a ec public key from a octet string.
|
|
* \param key a pointer to a EC_KEY object which should be used
|
|
* \param in memory buffer with the encoded public key
|
|
* \param len length of the encoded public key
|
|
* \return EC_KEY object with decoded public key or NULL if an error
|
|
* occurred.
|
|
*/
|
|
EC_KEY *o2i_ECPublicKey(EC_KEY **key, const unsigned char **in, long len);
|
|
|
|
/** Encodes a ec public key in an octet string.
|
|
* \param key the EC_KEY object with the public key
|
|
* \param out the buffer for the result (if NULL the function returns number
|
|
* of bytes needed).
|
|
* \return 1 on success and 0 if an error occurred
|
|
*/
|
|
int i2o_ECPublicKey(EC_KEY *key, unsigned char **out);
|
|
|
|
# ifndef OPENSSL_NO_BIO
|
|
/** Prints out the ec parameters on human readable form.
|
|
* \param bp BIO object to which the information is printed
|
|
* \param key EC_KEY object
|
|
* \return 1 on success and 0 if an error occurred
|
|
*/
|
|
int ECParameters_print(BIO *bp, const EC_KEY *key);
|
|
|
|
/** Prints out the contents of a EC_KEY object
|
|
* \param bp BIO object to which the information is printed
|
|
* \param key EC_KEY object
|
|
* \param off line offset
|
|
* \return 1 on success and 0 if an error occurred
|
|
*/
|
|
int EC_KEY_print(BIO *bp, const EC_KEY *key, int off);
|
|
|
|
# endif
|
|
# ifndef OPENSSL_NO_FP_API
|
|
/** Prints out the ec parameters on human readable form.
|
|
* \param fp file descriptor to which the information is printed
|
|
* \param key EC_KEY object
|
|
* \return 1 on success and 0 if an error occurred
|
|
*/
|
|
int ECParameters_print_fp(FILE *fp, const EC_KEY *key);
|
|
|
|
/** Prints out the contents of a EC_KEY object
|
|
* \param fp file descriptor to which the information is printed
|
|
* \param key EC_KEY object
|
|
* \param off line offset
|
|
* \return 1 on success and 0 if an error occurred
|
|
*/
|
|
int EC_KEY_print_fp(FILE *fp, const EC_KEY *key, int off);
|
|
|
|
# endif
|
|
|
|
# define ECParameters_dup(x) ASN1_dup_of(EC_KEY,i2d_ECParameters,d2i_ECParameters,x)
|
|
|
|
# ifndef __cplusplus
|
|
# if defined(__SUNPRO_C)
|
|
# if __SUNPRO_C >= 0x520
|
|
# pragma error_messages (default,E_ARRAY_OF_INCOMPLETE_NONAME,E_ARRAY_OF_INCOMPLETE)
|
|
# endif
|
|
# endif
|
|
# endif
|
|
|
|
# define EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \
|
|
EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID, nid, NULL)
|
|
|
|
# define EVP_PKEY_CTX_set_ec_param_enc(ctx, flag) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_PARAMGEN|EVP_PKEY_OP_KEYGEN, \
|
|
EVP_PKEY_CTRL_EC_PARAM_ENC, flag, NULL)
|
|
|
|
# define EVP_PKEY_CTX_set_ecdh_cofactor_mode(ctx, flag) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_EC_ECDH_COFACTOR, flag, NULL)
|
|
|
|
# define EVP_PKEY_CTX_get_ecdh_cofactor_mode(ctx) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_EC_ECDH_COFACTOR, -2, NULL)
|
|
|
|
# define EVP_PKEY_CTX_set_ecdh_kdf_type(ctx, kdf) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_EC_KDF_TYPE, kdf, NULL)
|
|
|
|
# define EVP_PKEY_CTX_get_ecdh_kdf_type(ctx) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_EC_KDF_TYPE, -2, NULL)
|
|
|
|
# define EVP_PKEY_CTX_set_ecdh_kdf_md(ctx, md) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_EC_KDF_MD, 0, (void *)md)
|
|
|
|
# define EVP_PKEY_CTX_get_ecdh_kdf_md(ctx, pmd) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_GET_EC_KDF_MD, 0, (void *)pmd)
|
|
|
|
# define EVP_PKEY_CTX_set_ecdh_kdf_outlen(ctx, len) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_EC_KDF_OUTLEN, len, NULL)
|
|
|
|
# define EVP_PKEY_CTX_get_ecdh_kdf_outlen(ctx, plen) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN, 0, (void *)plen)
|
|
|
|
# define EVP_PKEY_CTX_set0_ecdh_kdf_ukm(ctx, p, plen) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_EC_KDF_UKM, plen, (void *)p)
|
|
|
|
# define EVP_PKEY_CTX_get0_ecdh_kdf_ukm(ctx, p) \
|
|
EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_EC, \
|
|
EVP_PKEY_OP_DERIVE, \
|
|
EVP_PKEY_CTRL_GET_EC_KDF_UKM, 0, (void *)p)
|
|
|
|
# define EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID (EVP_PKEY_ALG_CTRL + 1)
|
|
# define EVP_PKEY_CTRL_EC_PARAM_ENC (EVP_PKEY_ALG_CTRL + 2)
|
|
# define EVP_PKEY_CTRL_EC_ECDH_COFACTOR (EVP_PKEY_ALG_CTRL + 3)
|
|
# define EVP_PKEY_CTRL_EC_KDF_TYPE (EVP_PKEY_ALG_CTRL + 4)
|
|
# define EVP_PKEY_CTRL_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 5)
|
|
# define EVP_PKEY_CTRL_GET_EC_KDF_MD (EVP_PKEY_ALG_CTRL + 6)
|
|
# define EVP_PKEY_CTRL_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 7)
|
|
# define EVP_PKEY_CTRL_GET_EC_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 8)
|
|
# define EVP_PKEY_CTRL_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 9)
|
|
# define EVP_PKEY_CTRL_GET_EC_KDF_UKM (EVP_PKEY_ALG_CTRL + 10)
|
|
/* KDF types */
|
|
# define EVP_PKEY_ECDH_KDF_NONE 1
|
|
# define EVP_PKEY_ECDH_KDF_X9_62 2
|
|
|
|
/* BEGIN ERROR CODES */
|
|
/*
|
|
* The following lines are auto generated by the script mkerr.pl. Any changes
|
|
* made after this point may be overwritten when the script is next run.
|
|
*/
|
|
void ERR_load_EC_strings(void);
|
|
|
|
/* Error codes for the EC functions. */
|
|
|
|
/* Function codes. */
|
|
# define EC_F_BN_TO_FELEM 224
|
|
# define EC_F_COMPUTE_WNAF 143
|
|
# define EC_F_D2I_ECPARAMETERS 144
|
|
# define EC_F_D2I_ECPKPARAMETERS 145
|
|
# define EC_F_D2I_ECPRIVATEKEY 146
|
|
# define EC_F_DO_EC_KEY_PRINT 221
|
|
# define EC_F_ECDH_CMS_DECRYPT 238
|
|
# define EC_F_ECDH_CMS_SET_SHARED_INFO 239
|
|
# define EC_F_ECKEY_PARAM2TYPE 223
|
|
# define EC_F_ECKEY_PARAM_DECODE 212
|
|
# define EC_F_ECKEY_PRIV_DECODE 213
|
|
# define EC_F_ECKEY_PRIV_ENCODE 214
|
|
# define EC_F_ECKEY_PUB_DECODE 215
|
|
# define EC_F_ECKEY_PUB_ENCODE 216
|
|
# define EC_F_ECKEY_TYPE2PARAM 220
|
|
# define EC_F_ECPARAMETERS_PRINT 147
|
|
# define EC_F_ECPARAMETERS_PRINT_FP 148
|
|
# define EC_F_ECPKPARAMETERS_PRINT 149
|
|
# define EC_F_ECPKPARAMETERS_PRINT_FP 150
|
|
# define EC_F_ECP_NIST_MOD_192 203
|
|
# define EC_F_ECP_NIST_MOD_224 204
|
|
# define EC_F_ECP_NIST_MOD_256 205
|
|
# define EC_F_ECP_NIST_MOD_521 206
|
|
# define EC_F_EC_ASN1_GROUP2CURVE 153
|
|
# define EC_F_EC_ASN1_GROUP2FIELDID 154
|
|
# define EC_F_EC_ASN1_GROUP2PARAMETERS 155
|
|
# define EC_F_EC_ASN1_GROUP2PKPARAMETERS 156
|
|
# define EC_F_EC_ASN1_PARAMETERS2GROUP 157
|
|
# define EC_F_EC_ASN1_PKPARAMETERS2GROUP 158
|
|
# define EC_F_EC_EX_DATA_SET_DATA 211
|
|
# define EC_F_EC_GF2M_MONTGOMERY_POINT_MULTIPLY 208
|
|
# define EC_F_EC_GF2M_SIMPLE_GROUP_CHECK_DISCRIMINANT 159
|
|
# define EC_F_EC_GF2M_SIMPLE_GROUP_SET_CURVE 195
|
|
# define EC_F_EC_GF2M_SIMPLE_OCT2POINT 160
|
|
# define EC_F_EC_GF2M_SIMPLE_POINT2OCT 161
|
|
# define EC_F_EC_GF2M_SIMPLE_POINT_GET_AFFINE_COORDINATES 162
|
|
# define EC_F_EC_GF2M_SIMPLE_POINT_SET_AFFINE_COORDINATES 163
|
|
# define EC_F_EC_GF2M_SIMPLE_SET_COMPRESSED_COORDINATES 164
|
|
# define EC_F_EC_GFP_MONT_FIELD_DECODE 133
|
|
# define EC_F_EC_GFP_MONT_FIELD_ENCODE 134
|
|
# define EC_F_EC_GFP_MONT_FIELD_MUL 131
|
|
# define EC_F_EC_GFP_MONT_FIELD_SET_TO_ONE 209
|
|
# define EC_F_EC_GFP_MONT_FIELD_SQR 132
|
|
# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE 189
|
|
# define EC_F_EC_GFP_MONT_GROUP_SET_CURVE_GFP 135
|
|
# define EC_F_EC_GFP_NISTP224_GROUP_SET_CURVE 225
|
|
# define EC_F_EC_GFP_NISTP224_POINTS_MUL 228
|
|
# define EC_F_EC_GFP_NISTP224_POINT_GET_AFFINE_COORDINATES 226
|
|
# define EC_F_EC_GFP_NISTP256_GROUP_SET_CURVE 230
|
|
# define EC_F_EC_GFP_NISTP256_POINTS_MUL 231
|
|
# define EC_F_EC_GFP_NISTP256_POINT_GET_AFFINE_COORDINATES 232
|
|
# define EC_F_EC_GFP_NISTP521_GROUP_SET_CURVE 233
|
|
# define EC_F_EC_GFP_NISTP521_POINTS_MUL 234
|
|
# define EC_F_EC_GFP_NISTP521_POINT_GET_AFFINE_COORDINATES 235
|
|
# define EC_F_EC_GFP_NIST_FIELD_MUL 200
|
|
# define EC_F_EC_GFP_NIST_FIELD_SQR 201
|
|
# define EC_F_EC_GFP_NIST_GROUP_SET_CURVE 202
|
|
# define EC_F_EC_GFP_SIMPLE_GROUP_CHECK_DISCRIMINANT 165
|
|
# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE 166
|
|
# define EC_F_EC_GFP_SIMPLE_GROUP_SET_CURVE_GFP 100
|
|
# define EC_F_EC_GFP_SIMPLE_GROUP_SET_GENERATOR 101
|
|
# define EC_F_EC_GFP_SIMPLE_MAKE_AFFINE 102
|
|
# define EC_F_EC_GFP_SIMPLE_OCT2POINT 103
|
|
# define EC_F_EC_GFP_SIMPLE_POINT2OCT 104
|
|
# define EC_F_EC_GFP_SIMPLE_POINTS_MAKE_AFFINE 137
|
|
# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES 167
|
|
# define EC_F_EC_GFP_SIMPLE_POINT_GET_AFFINE_COORDINATES_GFP 105
|
|
# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES 168
|
|
# define EC_F_EC_GFP_SIMPLE_POINT_SET_AFFINE_COORDINATES_GFP 128
|
|
# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES 169
|
|
# define EC_F_EC_GFP_SIMPLE_SET_COMPRESSED_COORDINATES_GFP 129
|
|
# define EC_F_EC_GROUP_CHECK 170
|
|
# define EC_F_EC_GROUP_CHECK_DISCRIMINANT 171
|
|
# define EC_F_EC_GROUP_COPY 106
|
|
# define EC_F_EC_GROUP_GET0_GENERATOR 139
|
|
# define EC_F_EC_GROUP_GET_COFACTOR 140
|
|
# define EC_F_EC_GROUP_GET_CURVE_GF2M 172
|
|
# define EC_F_EC_GROUP_GET_CURVE_GFP 130
|
|
# define EC_F_EC_GROUP_GET_DEGREE 173
|
|
# define EC_F_EC_GROUP_GET_ORDER 141
|
|
# define EC_F_EC_GROUP_GET_PENTANOMIAL_BASIS 193
|
|
# define EC_F_EC_GROUP_GET_TRINOMIAL_BASIS 194
|
|
# define EC_F_EC_GROUP_NEW 108
|
|
# define EC_F_EC_GROUP_NEW_BY_CURVE_NAME 174
|
|
# define EC_F_EC_GROUP_NEW_FROM_DATA 175
|
|
# define EC_F_EC_GROUP_PRECOMPUTE_MULT 142
|
|
# define EC_F_EC_GROUP_SET_CURVE_GF2M 176
|
|
# define EC_F_EC_GROUP_SET_CURVE_GFP 109
|
|
# define EC_F_EC_GROUP_SET_EXTRA_DATA 110
|
|
# define EC_F_EC_GROUP_SET_GENERATOR 111
|
|
# define EC_F_EC_KEY_CHECK_KEY 177
|
|
# define EC_F_EC_KEY_COPY 178
|
|
# define EC_F_EC_KEY_GENERATE_KEY 179
|
|
# define EC_F_EC_KEY_NEW 182
|
|
# define EC_F_EC_KEY_PRINT 180
|
|
# define EC_F_EC_KEY_PRINT_FP 181
|
|
# define EC_F_EC_KEY_SET_PUBLIC_KEY_AFFINE_COORDINATES 229
|
|
# define EC_F_EC_POINTS_MAKE_AFFINE 136
|
|
# define EC_F_EC_POINT_ADD 112
|
|
# define EC_F_EC_POINT_CMP 113
|
|
# define EC_F_EC_POINT_COPY 114
|
|
# define EC_F_EC_POINT_DBL 115
|
|
# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GF2M 183
|
|
# define EC_F_EC_POINT_GET_AFFINE_COORDINATES_GFP 116
|
|
# define EC_F_EC_POINT_GET_JPROJECTIVE_COORDINATES_GFP 117
|
|
# define EC_F_EC_POINT_INVERT 210
|
|
# define EC_F_EC_POINT_IS_AT_INFINITY 118
|
|
# define EC_F_EC_POINT_IS_ON_CURVE 119
|
|
# define EC_F_EC_POINT_MAKE_AFFINE 120
|
|
# define EC_F_EC_POINT_MUL 184
|
|
# define EC_F_EC_POINT_NEW 121
|
|
# define EC_F_EC_POINT_OCT2POINT 122
|
|
# define EC_F_EC_POINT_POINT2OCT 123
|
|
# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GF2M 185
|
|
# define EC_F_EC_POINT_SET_AFFINE_COORDINATES_GFP 124
|
|
# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GF2M 186
|
|
# define EC_F_EC_POINT_SET_COMPRESSED_COORDINATES_GFP 125
|
|
# define EC_F_EC_POINT_SET_JPROJECTIVE_COORDINATES_GFP 126
|
|
# define EC_F_EC_POINT_SET_TO_INFINITY 127
|
|
# define EC_F_EC_PRE_COMP_DUP 207
|
|
# define EC_F_EC_PRE_COMP_NEW 196
|
|
# define EC_F_EC_WNAF_MUL 187
|
|
# define EC_F_EC_WNAF_PRECOMPUTE_MULT 188
|
|
# define EC_F_I2D_ECPARAMETERS 190
|
|
# define EC_F_I2D_ECPKPARAMETERS 191
|
|
# define EC_F_I2D_ECPRIVATEKEY 192
|
|
# define EC_F_I2O_ECPUBLICKEY 151
|
|
# define EC_F_NISTP224_PRE_COMP_NEW 227
|
|
# define EC_F_NISTP256_PRE_COMP_NEW 236
|
|
# define EC_F_NISTP521_PRE_COMP_NEW 237
|
|
# define EC_F_ECP_NISTZ256_GET_AFFINE 240
|
|
# define EC_F_ECP_NISTZ256_POINTS_MUL 241
|
|
# define EC_F_ECP_NISTZ256_WINDOWED_MUL 242
|
|
# define EC_F_ECP_NISTZ256_MULT_PRECOMPUTE 243
|
|
# define EC_F_ECP_NISTZ256_PRE_COMP_NEW 244
|
|
# define EC_F_O2I_ECPUBLICKEY 152
|
|
# define EC_F_OLD_EC_PRIV_DECODE 222
|
|
# define EC_F_PKEY_EC_CTRL 197
|
|
# define EC_F_PKEY_EC_CTRL_STR 198
|
|
# define EC_F_PKEY_EC_DERIVE 217
|
|
# define EC_F_PKEY_EC_KEYGEN 199
|
|
# define EC_F_PKEY_EC_PARAMGEN 219
|
|
# define EC_F_PKEY_EC_SIGN 218
|
|
|
|
/* Reason codes. */
|
|
# define EC_R_ASN1_ERROR 115
|
|
# define EC_R_ASN1_UNKNOWN_FIELD 116
|
|
# define EC_R_BIGNUM_OUT_OF_RANGE 144
|
|
# define EC_R_BUFFER_TOO_SMALL 100
|
|
# define EC_R_COORDINATES_OUT_OF_RANGE 146
|
|
# define EC_R_D2I_ECPKPARAMETERS_FAILURE 117
|
|
# define EC_R_DECODE_ERROR 142
|
|
# define EC_R_DISCRIMINANT_IS_ZERO 118
|
|
# define EC_R_EC_GROUP_NEW_BY_NAME_FAILURE 119
|
|
# define EC_R_FIELD_TOO_LARGE 143
|
|
# define EC_R_GF2M_NOT_SUPPORTED 147
|
|
# define EC_R_GROUP2PKPARAMETERS_FAILURE 120
|
|
# define EC_R_I2D_ECPKPARAMETERS_FAILURE 121
|
|
# define EC_R_INCOMPATIBLE_OBJECTS 101
|
|
# define EC_R_INVALID_ARGUMENT 112
|
|
# define EC_R_INVALID_COMPRESSED_POINT 110
|
|
# define EC_R_INVALID_COMPRESSION_BIT 109
|
|
# define EC_R_INVALID_CURVE 141
|
|
# define EC_R_INVALID_DIGEST 151
|
|
# define EC_R_INVALID_DIGEST_TYPE 138
|
|
# define EC_R_INVALID_ENCODING 102
|
|
# define EC_R_INVALID_FIELD 103
|
|
# define EC_R_INVALID_FORM 104
|
|
# define EC_R_INVALID_GROUP_ORDER 122
|
|
# define EC_R_INVALID_PENTANOMIAL_BASIS 132
|
|
# define EC_R_INVALID_PRIVATE_KEY 123
|
|
# define EC_R_INVALID_TRINOMIAL_BASIS 137
|
|
# define EC_R_KDF_PARAMETER_ERROR 148
|
|
# define EC_R_KEYS_NOT_SET 140
|
|
# define EC_R_MISSING_PARAMETERS 124
|
|
# define EC_R_MISSING_PRIVATE_KEY 125
|
|
# define EC_R_NOT_A_NIST_PRIME 135
|
|
# define EC_R_NOT_A_SUPPORTED_NIST_PRIME 136
|
|
# define EC_R_NOT_IMPLEMENTED 126
|
|
# define EC_R_NOT_INITIALIZED 111
|
|
# define EC_R_NO_FIELD_MOD 133
|
|
# define EC_R_NO_PARAMETERS_SET 139
|
|
# define EC_R_PASSED_NULL_PARAMETER 134
|
|
# define EC_R_PEER_KEY_ERROR 149
|
|
# define EC_R_PKPARAMETERS2GROUP_FAILURE 127
|
|
# define EC_R_POINT_AT_INFINITY 106
|
|
# define EC_R_POINT_IS_NOT_ON_CURVE 107
|
|
# define EC_R_SHARED_INFO_ERROR 150
|
|
# define EC_R_SLOT_FULL 108
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# define EC_R_UNDEFINED_GENERATOR 113
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# define EC_R_UNDEFINED_ORDER 128
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# define EC_R_UNKNOWN_GROUP 129
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# define EC_R_UNKNOWN_ORDER 114
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# define EC_R_UNSUPPORTED_FIELD 131
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# define EC_R_WRONG_CURVE_PARAMETERS 145
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# define EC_R_WRONG_ORDER 130
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#ifdef __cplusplus
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}
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#endif
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#endif
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