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- /*
- * ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is the elliptic curve math library.
- *
- * The Initial Developer of the Original Code is
- * Sun Microsystems, Inc.
- * Portions created by the Initial Developer are Copyright (C) 2003
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Douglas Stebila <douglas@stebila.ca>, Sun Microsystems Laboratories
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- /* Although this is not an exported header file, code which uses elliptic
- * curve point operations will need to include it. */
-
- #ifndef __ecl_h_
- #define __ecl_h_
-
- #include "ecl-exp.h"
- #include "mpi.h"
-
- struct ECGroupStr;
- typedef struct ECGroupStr ECGroup;
-
- /* Construct ECGroup from hexadecimal representations of parameters. */
- ECGroup *ECGroup_fromHex(const ECCurveParams * params);
-
- /* Construct ECGroup from named parameters. */
- ECGroup *ECGroup_fromName(const ECCurveName name);
-
- /* Free an allocated ECGroup. */
- void ECGroup_free(ECGroup *group);
-
- /* Construct ECCurveParams from an ECCurveName */
- ECCurveParams *EC_GetNamedCurveParams(const ECCurveName name);
-
- /* Duplicates an ECCurveParams */
- ECCurveParams *ECCurveParams_dup(const ECCurveParams * params);
-
- /* Free an allocated ECCurveParams */
- void EC_FreeCurveParams(ECCurveParams * params);
-
- /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k * P(x,
- * y). If x, y = NULL, then P is assumed to be the generator (base point)
- * of the group of points on the elliptic curve. Input and output values
- * are assumed to be NOT field-encoded. */
- mp_err ECPoint_mul(const ECGroup *group, const mp_int *k, const mp_int *px,
- const mp_int *py, mp_int *qx, mp_int *qy);
-
- /* Elliptic curve scalar-point multiplication. Computes Q(x, y) = k1 * G +
- * k2 * P(x, y), where G is the generator (base point) of the group of
- * points on the elliptic curve. Input and output values are assumed to
- * be NOT field-encoded. */
- mp_err ECPoints_mul(const ECGroup *group, const mp_int *k1,
- const mp_int *k2, const mp_int *px, const mp_int *py,
- mp_int *qx, mp_int *qy);
-
- /* Validates an EC public key as described in Section 5.2.2 of X9.62.
- * Returns MP_YES if the public key is valid, MP_NO if the public key
- * is invalid, or an error code if the validation could not be
- * performed. */
- mp_err ECPoint_validate(const ECGroup *group, const mp_int *px, const
- mp_int *py);
-
- #endif /* __ecl_h_ */
-