/*
 * ***** 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 ***** */
/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * Sun elects to use this software under the MPL license.
 */

#ifndef _ECL_EXP_H
#define _ECL_EXP_H

/* Curve field type */
typedef enum {
	ECField_GFp,
	ECField_GF2m
} ECField;

/* Hexadecimal encoding of curve parameters */
struct ECCurveParamsStr {
	char *text;
	ECField field;
	unsigned int size;
	char *irr;
	char *curvea;
	char *curveb;
	char *genx;
	char *geny;
	char *order;
	int cofactor;
};
typedef struct ECCurveParamsStr ECCurveParams;

/* Named curve parameters */
typedef enum {

	ECCurve_noName = 0,

	/* NIST prime curves */
	ECCurve_NIST_P192,
	ECCurve_NIST_P224,
	ECCurve_NIST_P256,
	ECCurve_NIST_P384,
	ECCurve_NIST_P521,

	/* NIST binary curves */
	ECCurve_NIST_K163,
	ECCurve_NIST_B163,
	ECCurve_NIST_K233,
	ECCurve_NIST_B233,
	ECCurve_NIST_K283,
	ECCurve_NIST_B283,
	ECCurve_NIST_K409,
	ECCurve_NIST_B409,
	ECCurve_NIST_K571,
	ECCurve_NIST_B571,

	/* ANSI X9.62 prime curves */
	/* ECCurve_X9_62_PRIME_192V1 == ECCurve_NIST_P192 */
	ECCurve_X9_62_PRIME_192V2,
	ECCurve_X9_62_PRIME_192V3,
	ECCurve_X9_62_PRIME_239V1,
	ECCurve_X9_62_PRIME_239V2,
	ECCurve_X9_62_PRIME_239V3,
	/* ECCurve_X9_62_PRIME_256V1 == ECCurve_NIST_P256 */

	/* ANSI X9.62 binary curves */
	ECCurve_X9_62_CHAR2_PNB163V1,
	ECCurve_X9_62_CHAR2_PNB163V2,
	ECCurve_X9_62_CHAR2_PNB163V3,
	ECCurve_X9_62_CHAR2_PNB176V1,
	ECCurve_X9_62_CHAR2_TNB191V1,
	ECCurve_X9_62_CHAR2_TNB191V2,
	ECCurve_X9_62_CHAR2_TNB191V3,
	ECCurve_X9_62_CHAR2_PNB208W1,
	ECCurve_X9_62_CHAR2_TNB239V1,
	ECCurve_X9_62_CHAR2_TNB239V2,
	ECCurve_X9_62_CHAR2_TNB239V3,
	ECCurve_X9_62_CHAR2_PNB272W1,
	ECCurve_X9_62_CHAR2_PNB304W1,
	ECCurve_X9_62_CHAR2_TNB359V1,
	ECCurve_X9_62_CHAR2_PNB368W1,
	ECCurve_X9_62_CHAR2_TNB431R1,

	/* SEC2 prime curves */
	ECCurve_SECG_PRIME_112R1,
	ECCurve_SECG_PRIME_112R2,
	ECCurve_SECG_PRIME_128R1,
	ECCurve_SECG_PRIME_128R2,
	ECCurve_SECG_PRIME_160K1,
	ECCurve_SECG_PRIME_160R1,
	ECCurve_SECG_PRIME_160R2,
	ECCurve_SECG_PRIME_192K1,
	/* ECCurve_SECG_PRIME_192R1 == ECCurve_NIST_P192 */
	ECCurve_SECG_PRIME_224K1,
	/* ECCurve_SECG_PRIME_224R1 == ECCurve_NIST_P224 */
	ECCurve_SECG_PRIME_256K1,
	/* ECCurve_SECG_PRIME_256R1 == ECCurve_NIST_P256 */
	/* ECCurve_SECG_PRIME_384R1 == ECCurve_NIST_P384 */
	/* ECCurve_SECG_PRIME_521R1 == ECCurve_NIST_P521 */

	/* SEC2 binary curves */
	ECCurve_SECG_CHAR2_113R1,
	ECCurve_SECG_CHAR2_113R2,
	ECCurve_SECG_CHAR2_131R1,
	ECCurve_SECG_CHAR2_131R2,
	/* ECCurve_SECG_CHAR2_163K1 == ECCurve_NIST_K163 */
	ECCurve_SECG_CHAR2_163R1,
	/* ECCurve_SECG_CHAR2_163R2 == ECCurve_NIST_B163 */
	ECCurve_SECG_CHAR2_193R1,
	ECCurve_SECG_CHAR2_193R2,
	/* ECCurve_SECG_CHAR2_233K1 == ECCurve_NIST_K233 */
	/* ECCurve_SECG_CHAR2_233R1 == ECCurve_NIST_B233 */
	ECCurve_SECG_CHAR2_239K1,
	/* ECCurve_SECG_CHAR2_283K1 == ECCurve_NIST_K283 */
	/* ECCurve_SECG_CHAR2_283R1 == ECCurve_NIST_B283 */
	/* ECCurve_SECG_CHAR2_409K1 == ECCurve_NIST_K409 */
	/* ECCurve_SECG_CHAR2_409R1 == ECCurve_NIST_B409 */
	/* ECCurve_SECG_CHAR2_571K1 == ECCurve_NIST_K571 */
	/* ECCurve_SECG_CHAR2_571R1 == ECCurve_NIST_B571 */

	/* WTLS curves */
	ECCurve_WTLS_1,
	/* there is no WTLS 2 curve */
	/* ECCurve_WTLS_3 == ECCurve_NIST_K163 */
	/* ECCurve_WTLS_4 == ECCurve_SECG_CHAR2_113R1 */
	/* ECCurve_WTLS_5 == ECCurve_X9_62_CHAR2_PNB163V1 */
	/* ECCurve_WTLS_6 == ECCurve_SECG_PRIME_112R1 */
	/* ECCurve_WTLS_7 == ECCurve_SECG_PRIME_160R1 */
	ECCurve_WTLS_8,
	ECCurve_WTLS_9,
	/* ECCurve_WTLS_10 == ECCurve_NIST_K233 */
	/* ECCurve_WTLS_11 == ECCurve_NIST_B233 */
	/* ECCurve_WTLS_12 == ECCurve_NIST_P224 */

	ECCurve_pastLastCurve
} ECCurveName;

/* Aliased named curves */

#define ECCurve_X9_62_PRIME_192V1 ECCurve_NIST_P192
#define ECCurve_X9_62_PRIME_256V1 ECCurve_NIST_P256
#define ECCurve_SECG_PRIME_192R1 ECCurve_NIST_P192
#define ECCurve_SECG_PRIME_224R1 ECCurve_NIST_P224
#define ECCurve_SECG_PRIME_256R1 ECCurve_NIST_P256
#define ECCurve_SECG_PRIME_384R1 ECCurve_NIST_P384
#define ECCurve_SECG_PRIME_521R1 ECCurve_NIST_P521
#define ECCurve_SECG_CHAR2_163K1 ECCurve_NIST_K163
#define ECCurve_SECG_CHAR2_163R2 ECCurve_NIST_B163
#define ECCurve_SECG_CHAR2_233K1 ECCurve_NIST_K233
#define ECCurve_SECG_CHAR2_233R1 ECCurve_NIST_B233
#define ECCurve_SECG_CHAR2_283K1 ECCurve_NIST_K283
#define ECCurve_SECG_CHAR2_283R1 ECCurve_NIST_B283
#define ECCurve_SECG_CHAR2_409K1 ECCurve_NIST_K409
#define ECCurve_SECG_CHAR2_409R1 ECCurve_NIST_B409
#define ECCurve_SECG_CHAR2_571K1 ECCurve_NIST_K571
#define ECCurve_SECG_CHAR2_571R1 ECCurve_NIST_B571
#define ECCurve_WTLS_3 ECCurve_NIST_K163
#define ECCurve_WTLS_4 ECCurve_SECG_CHAR2_113R1
#define ECCurve_WTLS_5 ECCurve_X9_62_CHAR2_PNB163V1
#define ECCurve_WTLS_6 ECCurve_SECG_PRIME_112R1
#define ECCurve_WTLS_7 ECCurve_SECG_PRIME_160R1
#define ECCurve_WTLS_10 ECCurve_NIST_K233
#define ECCurve_WTLS_11 ECCurve_NIST_B233
#define ECCurve_WTLS_12 ECCurve_NIST_P224

#endif /* _ECL_EXP_H */