/********************************************************************************/
/*										*/
/*			   Structure definitions used for ECC 			*/
/*			     Written by Ken Goldman				*/
/*		       IBM Thomas J. Watson Research Center			*/
/*            $Id: CryptEcc.h 1594 2020-03-26 22:15:48Z kgoldman $		*/
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/* 10.1.2 CryptEcc.h */
/* 10.1.2.1 Introduction */
/* This file contains structure definitions used for ECC. The structures in this file are only used
   internally. The ECC-related structures that cross the TPM interface are defined in TpmTypes.h */
#ifndef _CRYPT_ECC_H
#define _CRYPT_ECC_H

/* 10.1.2.2 Structures */
typedef struct ECC_CURVE
{
    const TPM_ECC_CURVE          curveId;
    const UINT16                 keySizeBits;
    const TPMT_KDF_SCHEME        kdf;
    const TPMT_ECC_SCHEME        sign;
    const ECC_CURVE_DATA        *curveData; // the address of the curve data
    const BYTE                  *OID;
} ECC_CURVE;


/* 10.1.2.2.1	Macros */
/* This macro is used to instance an ECC_CURVE_DATA structure for the curve. This structure is
   referenced by the ECC_CURVE structure */
#define CURVE_DATA_DEF(CURVE)						\
    const ECC_CURVE_DATA CURVE = {					\
	(bigNum)&CURVE##_p_DATA, (bigNum)&CURVE##_n_DATA, (bigNum)&CURVE##_h_DATA, \
	(bigNum)&CURVE##_a_DATA, (bigNum)&CURVE##_b_DATA,		\
	{(bigNum)&CURVE##_gX_DATA, (bigNum)&CURVE##_gY_DATA, (bigNum)&BN_ONE} };

extern const ECC_CURVE eccCurves[ECC_CURVE_COUNT];

#define CURVE_DEF(CURVE)						\
    {									\
	TPM_ECC_##CURVE,						\
	    CURVE##_KEY_SIZE,						\
	    CURVE##_KDF,						\
	    CURVE##_SIGN,						\
	    &##CURVE,							\
	    OID_ECC_##CURVE						\
	    }
#define CURVE_NAME(N)

#endif