com.alipay.mychain.sdk.domain.privacy

类 PedersenCommitment

java.lang.Object

com.alipay.mychain.sdk.domain.privacy.PedersenCommitment

public class PedersenCommitment
extends Object

The type Pedersen commitment.

作者:

huihui.hh

字段概要

字段

限定符和类型	字段和说明
protected PedersenCommitmentType	type

构造器概要

构造器

构造器和说明
PedersenCommitment(long ptr) Instantiates a new Pedersen commitment.

方法概要

限定符和类型	方法和说明
static byte[]	computeBlindDelta(List<byte[]> inputs, List<byte[]> outputs)
static PedersenCommitment	createCommitment(byte[] commitment) Create commitment pedersen commitment.
static PedersenCommitment	createCommitment(long value, byte[] blind, ValueHiding keypair, byte[] extensions) Create commitment pedersen commitment.
void	destory() Destory.
static byte[]	genBlind() Gen blind byte [ ].
byte[]	getCommitment() Get commitment byte [ ].
static byte[]	getDecryptedBlind(byte[] commitment, ValueHiding keypair)
byte[]	getDecryptedBlind(ValueHiding keypair)
static long	getDecryptedValue(byte[] commitment, ValueHiding keypair)
long	getDecryptedValue(ValueHiding keypair)
EncResult	getEncValue() Get enc value enc result.
long	getPtr()
static boolean	isSumEqualsToZero(List<PedersenCommitment> pos, List<PedersenCommitment> neg, byte[] delta)
static long	nativeCreateCommitment(byte[] commitment) Create commitment pedersen commitment.
protected long	nativeNewInstance()
byte[]	toBytes()
boolean	verify(byte[] pub, PedersenCommitment commitment)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

type

protected final PedersenCommitmentType type

构造器详细资料

PedersenCommitment

public PedersenCommitment(long ptr)

Instantiates a new Pedersen commitment.

参数:

ptr - the ptr

方法详细资料

genBlind

public static byte[] genBlind()

Gen blind byte [ ].

返回:

the byte [ ]

createCommitment

public static PedersenCommitment createCommitment(long value,
                                                  byte[] blind,
                                                  ValueHiding keypair,
                                                  byte[] extensions)

Create commitment pedersen commitment.

参数:

value - the value

blind - the blind

keypair - the keypair

extensions - the extensions

返回:

the pedersen commitment

createCommitment

public static PedersenCommitment createCommitment(byte[] commitment)

Create commitment pedersen commitment.

参数:

commitment - the commitment

返回:

the pedersen commitment

nativeCreateCommitment

public static long nativeCreateCommitment(byte[] commitment)

Create commitment pedersen commitment.

参数:

commitment - the commitment

返回:

the pedersen commitment

getDecryptedValue

public static long getDecryptedValue(byte[] commitment,
                                     ValueHiding keypair)

getDecryptedBlind

public static byte[] getDecryptedBlind(byte[] commitment,
                                       ValueHiding keypair)

isSumEqualsToZero

public static boolean isSumEqualsToZero(List<PedersenCommitment> pos,
                                        List<PedersenCommitment> neg,
                                        byte[] delta)

computeBlindDelta

public static byte[] computeBlindDelta(List<byte[]> inputs,
                                       List<byte[]> outputs)

destory

public void destory()

Destory.

nativeNewInstance

protected long nativeNewInstance()

verify

public boolean verify(byte[] pub,
                      PedersenCommitment commitment)

getDecryptedValue

public long getDecryptedValue(ValueHiding keypair)

getDecryptedBlind

public final byte[] getDecryptedBlind(ValueHiding keypair)

getEncValue

public EncResult getEncValue()

Get enc value enc result.

返回:

the enc result

getCommitment

public final byte[] getCommitment()

Get commitment byte [ ].

返回:

the byte [ ]

toBytes

public final byte[] toBytes()

getPtr

public long getPtr()