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/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#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_ */