Package 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	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 One of: TPMS_KDF_SCHEME_MGF1, TPMS_KDF_SCHEME_KDF1_SP800_56A, TPMS_KDF_SCHEME_KDF2, TPMS_KDF_SCHEME_KDF1_SP800_108, TPMS_SCHEME_HASH, TPMS_NULL_KDF_SCHEME.
int	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	Description
TPMS_ALGORITHM_DETAIL_ECC()
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)

Method Summary

Modifier and Type	Method	Description
static TPMS_ALGORITHM_DETAIL_ECC	fromBytes(byte[] byteBuf)	Static marshaling helper
static TPMS_ALGORITHM_DETAIL_ECC	fromTpm(byte[] byteBuf)	Deprecated. Use fromBytes(byte[]) instead
static TPMS_ALGORITHM_DETAIL_ECC	fromTpm(TpmBuffer buf)	Static marshaling helper
void	initFromTpm(TpmBuffer buf)	TpmMarshaller method
TPM_ALG_ID	kdfScheme()	Scheme selector
TPM_ALG_ID	signScheme()	Scheme selector
String	toString()
void	toStringInternal(TpmStructurePrinter _p, int d)	Serialize this object to the structure printer
byte[]	toTpm()	Deprecated. Use TpmStructure.toBytes() instead
void	toTpm(TpmBuffer buf)	TpmMarshaller method

Methods inherited from class tss.TpmStructure

equals, hashCode, toBytes

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 int 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 One of: TPMS_KDF_SCHEME_MGF1, TPMS_KDF_SCHEME_KDF1_SP800_56A, TPMS_KDF_SCHEME_KDF2, TPMS_KDF_SCHEME_KDF1_SP800_108, TPMS_SCHEME_HASH, TPMS_NULL_KDF_SCHEME.

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. 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

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()

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)

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_KDF_SCHEME_MGF1, TPMS_KDF_SCHEME_KDF1_SP800_56A, TPMS_KDF_SCHEME_KDF2, TPMS_KDF_SCHEME_KDF1_SP800_108, TPMS_SCHEME_HASH, 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)

Method Detail

kdfScheme

public TPM_ALG_ID kdfScheme()

Scheme selector

signScheme

public TPM_ALG_ID signScheme()

Scheme selector

toTpm

public void toTpm(TpmBuffer buf)

TpmMarshaller method

Specified by:

toTpm in interface TpmMarshaller

Overrides:

toTpm in class TpmStructure

Parameters:

buf - An output byte buffer

initFromTpm

public void initFromTpm(TpmBuffer buf)

TpmMarshaller method

Specified by:

initFromTpm in interface TpmMarshaller

Overrides:

initFromTpm in class TpmStructure

Parameters:

buf - An input byte buffer

toTpm

public byte[] toTpm()

Deprecated.

Use TpmStructure.toBytes() instead

Returns:

Wire (marshaled) representation of this object

fromBytes

public static TPMS_ALGORITHM_DETAIL_ECC fromBytes(byte[] byteBuf)

Static marshaling helper

Parameters:

byteBuf - Wire representation of the object

Returns:

New object constructed from its wire representation

fromTpm

public static TPMS_ALGORITHM_DETAIL_ECC fromTpm(byte[] byteBuf)

Deprecated.

Use fromBytes(byte[]) instead

Parameters:

byteBuf - Wire representation of the object

Returns:

New object constructed from its wire representation

fromTpm

public static TPMS_ALGORITHM_DETAIL_ECC fromTpm(TpmBuffer buf)

Static marshaling helper

Parameters:

buf - Wire representation of the object

Returns:

New object constructed from its wire representation

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

Overrides:

toStringInternal in class TpmStructure

Parameters:

_p - The structure accumulator

d - The data to serialize