tss.tpm

Class TPMS_ALGORITHM_DETAIL_ECC

java.lang.Object

tss.TpmStructure

tss.tpm.TPMS_ALGORITHM_DETAIL_ECC

All Implemented Interfaces:

TpmMarshaller

public class TPMS_ALGORITHM_DETAIL_ECC
extends TpmStructure

This structure is used to report on the curve parameters of an ECC curve. It is returned by TPM2_ECC_Parameters().

Field Summary

Fields

Modifier and Type	Field and Description
byte[]	a coefficient of the linear term in the curve equation
byte[]	b constant term for curve equation
TPM_ECC_CURVE	curveID identifier for the curve
byte[]	gX x coordinate of base point G
byte[]	gY y coordinate of base point G
byte[]	h cofactor (a size of zero indicates a cofactor of 1)
TPMU_KDF_SCHEME	kdf if not TPM_ALG_NULL, the required KDF and hash algorithm used in secret sharing operations
short	keySize Size in bits of the key
byte[]	n order of G
byte[]	p Fp (the modulus)
TPMU_ASYM_SCHEME	sign If not TPM_ALG_NULL, this is the mandatory signature scheme that is required to be used with this curve.

Constructor Summary

Constructors

Constructor and Description
TPMS_ALGORITHM_DETAIL_ECC() This structure is used to report on the curve parameters of an ECC curve.
TPMS_ALGORITHM_DETAIL_ECC(TPM_ECC_CURVE _curveID, int _keySize, TPMU_KDF_SCHEME _kdf, TPMU_ASYM_SCHEME _sign, byte[] _p, byte[] _a, byte[] _b, byte[] _gX, byte[] _gY, byte[] _n, byte[] _h) This structure is used to report on the curve parameters of an ECC curve.

Method Summary

Modifier and Type	Method and Description
static TPMS_ALGORITHM_DETAIL_ECC	fromTpm(byte[] x)
static TPMS_ALGORITHM_DETAIL_ECC	fromTpm(InByteBuf buf)
int	GetUnionSelector_kdf()
int	GetUnionSelector_sign()
void	initFromTpm(InByteBuf buf) Populate this object from the TPM representation in the input byte buffer object
String	toString()
void	toStringInternal(TpmStructurePrinter _p, int d) Serialize this object to the structure printer
byte[]	toTpm() Convert this object to its TPM representation and return it as a byte array
void	toTpm(OutByteBuf buf) Convert this object to its TPM representation and store in the output byte buffer object

Methods inherited from class tss.TpmStructure

equals, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

curveID

public TPM_ECC_CURVE curveID

identifier for the curve

keySize

public short keySize

Size in bits of the key

kdf

public TPMU_KDF_SCHEME kdf

if not TPM_ALG_NULL, the required KDF and hash algorithm used in secret sharing operations

sign

public TPMU_ASYM_SCHEME sign

If not TPM_ALG_NULL, this is the mandatory signature scheme that is required to be used with this curve.

p

public byte[] p

Fp (the modulus)

a

public byte[] a

coefficient of the linear term in the curve equation

b

public byte[] b

constant term for curve equation

gX

public byte[] gX

x coordinate of base point G

gY

public byte[] gY

y coordinate of base point G

n

public byte[] n

order of G

h

public byte[] h

cofactor (a size of zero indicates a cofactor of 1)

Constructor Detail

TPMS_ALGORITHM_DETAIL_ECC

public TPMS_ALGORITHM_DETAIL_ECC(TPM_ECC_CURVE _curveID,
                                 int _keySize,
                                 TPMU_KDF_SCHEME _kdf,
                                 TPMU_ASYM_SCHEME _sign,
                                 byte[] _p,
                                 byte[] _a,
                                 byte[] _b,
                                 byte[] _gX,
                                 byte[] _gY,
                                 byte[] _n,
                                 byte[] _h)

This structure is used to report on the curve parameters of an ECC curve. It is returned by TPM2_ECC_Parameters().

Parameters:

_curveID - identifier for the curve

_keySize - Size in bits of the key

_kdf - if not TPM_ALG_NULL, the required KDF and hash algorithm used in secret sharing operations (One of TPMS_SCHEME_MGF1, TPMS_SCHEME_KDF1_SP800_56A, TPMS_SCHEME_KDF2, TPMS_SCHEME_KDF1_SP800_108, TPMS_NULL_KDF_SCHEME)

_sign - If not TPM_ALG_NULL, this is the mandatory signature scheme that is required to be used with this curve. (One of TPMS_KEY_SCHEME_ECDH, TPMS_KEY_SCHEME_ECMQV, TPMS_SIG_SCHEME_RSASSA, TPMS_SIG_SCHEME_RSAPSS, TPMS_SIG_SCHEME_ECDSA, TPMS_SIG_SCHEME_ECDAA, TPMS_SIG_SCHEME_SM2, TPMS_SIG_SCHEME_ECSCHNORR, TPMS_ENC_SCHEME_RSAES, TPMS_ENC_SCHEME_OAEP, TPMS_SCHEME_HASH, TPMS_NULL_ASYM_SCHEME)

_p - Fp (the modulus)

_a - coefficient of the linear term in the curve equation

_b - constant term for curve equation

_gX - x coordinate of base point G

_gY - y coordinate of base point G

_n - order of G

_h - cofactor (a size of zero indicates a cofactor of 1)

TPMS_ALGORITHM_DETAIL_ECC

public TPMS_ALGORITHM_DETAIL_ECC()

This structure is used to report on the curve parameters of an ECC curve. It is returned by TPM2_ECC_Parameters().

Method Detail

GetUnionSelector_kdf

public int GetUnionSelector_kdf()

GetUnionSelector_sign

public int GetUnionSelector_sign()

toTpm

public void toTpm(OutByteBuf buf)

Description copied from interface: TpmMarshaller

Convert this object to its TPM representation and store in the output byte buffer object

Parameters:

buf - An output byte buffer

initFromTpm

public void initFromTpm(InByteBuf buf)

Description copied from interface: TpmMarshaller

Populate this object from the TPM representation in the input byte buffer object

Parameters:

buf - An input byte buffer

toTpm

public byte[] toTpm()

Description copied from interface: TpmMarshaller

Convert this object to its TPM representation and return it as a byte array

Returns:

Byte buffer with the TPM 2.0 compatible wire representation of the object

fromTpm

public static TPMS_ALGORITHM_DETAIL_ECC fromTpm(byte[] x)

fromTpm

public static TPMS_ALGORITHM_DETAIL_ECC fromTpm(InByteBuf buf)

toString

public String toString()

Overrides:

toString in class Object

toStringInternal

public void toStringInternal(TpmStructurePrinter _p,
                             int d)

Description copied from class: TpmStructure

Serialize this object to the structure printer

Specified by:

toStringInternal in class TpmStructure

Parameters:

_p - The structure accumulator

d - The data to serialize