com.alipay.mychain.zoro.crypto

类 BulletProof

java.lang.Object

com.alipay.mychain.zoro.crypto.BulletProof

public class BulletProof
extends Object

版本:

$Id: BulletProof.java, v 0.1 2018-11-30 下午6:05 yinglong.wy Exp $$

作者:

yinglong.wy

字段概要

字段

限定符和类型	字段和说明
static int	BLIND_SIZE
static int	COMMIT_SIZE
static int	MAX_PROOF_COMMITS

构造器概要

构造器

构造器和说明
BulletProof()

方法概要

限定符和类型	方法和说明
static byte[]	addBlindFactors(ArrayList<byte[]> posBlindList, ArrayList<byte[]> negBlindList)
static byte[]	addCommits(ArrayList<byte[]> posCommits, ArrayList<byte[]> negCommits)
static byte[]	generateBlindFactor()
static byte[]	generateCommit(byte[] blind, long value)
static byte[]	generateProof(ArrayList<byte[]> blindlist, long[] values)
static byte[]	generateProof(byte[] blind, long value)
static boolean	isCommitsSumZero(ArrayList<byte[]> posCommits, ArrayList<byte[]> negCommits)
static boolean	verifyCommit(byte[] commit, byte[] blind, long value)
static boolean	verifyProof(byte[] proof, ArrayList<byte[]> commitlist)
static boolean	verifyProof(byte[] proof, byte[] commit)

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

BLIND_SIZE

public static final int BLIND_SIZE

另请参阅:

常量字段值

COMMIT_SIZE

public static final int COMMIT_SIZE

另请参阅:

常量字段值

MAX_PROOF_COMMITS

public static final int MAX_PROOF_COMMITS

另请参阅:

常量字段值

构造器详细资料

BulletProof

public BulletProof()

方法详细资料

generateBlindFactor

public static byte[] generateBlindFactor()
                                  throws CryptoException

返回:

the blind factor

抛出:

CryptoException

addBlindFactors

public static byte[] addBlindFactors(ArrayList<byte[]> posBlindList,
                                     ArrayList<byte[]> negBlindList)
                              throws CryptoException

参数:

posBlindList - the postive blind factor list

negBlindList - the negtive blind factor list

返回:

the sum of blind factors.

抛出:

CryptoException

generateCommit

public static byte[] generateCommit(byte[] blind,
                                    long value)
                             throws CryptoException

参数:

blind - the blind factor

value - the value

返回:

the commit result

抛出:

CryptoException

verifyCommit

public static boolean verifyCommit(byte[] commit,
                                   byte[] blind,
                                   long value)
                            throws CryptoException

参数:

commit - the commit value

blind - the blind factor

value - the value

返回:

true/false

抛出:

CryptoException

isCommitsSumZero

public static boolean isCommitsSumZero(ArrayList<byte[]> posCommits,
                                       ArrayList<byte[]> negCommits)
                                throws CryptoException

参数:

posCommits - the postive commit list

negCommits - the negtive commit list

返回:

true/false

抛出:

CryptoException

addCommits

public static byte[] addCommits(ArrayList<byte[]> posCommits,
                                ArrayList<byte[]> negCommits)
                         throws CryptoException

参数:

posCommits - the postive commit list

negCommits - the negtive commit list

返回:

the commit value

抛出:

CryptoException

generateProof

public static byte[] generateProof(ArrayList<byte[]> blindlist,
                                   long[] values)
                            throws CryptoException

参数:

blindlist - the list of blind factors

values - the array of values

返回:

the bullet proof

抛出:

CryptoException

verifyProof

public static boolean verifyProof(byte[] proof,
                                  ArrayList<byte[]> commitlist)
                           throws CryptoException

参数:

proof - the bullet proof

commitlist - the list of commits

返回:

true - verify pass; false - verify fail.

抛出:

CryptoException

generateProof

public static byte[] generateProof(byte[] blind,
                                   long value)
                            throws CryptoException

参数:

blind - the blind factors

value - the value

返回:

the bullet proof

抛出:

CryptoException

verifyProof

public static boolean verifyProof(byte[] proof,
                                  byte[] commit)
                           throws CryptoException

参数:

proof - the bullet proof

commit - the list of commits

返回:

true - verify pass; false - verify fail.

抛出:

CryptoException