cn.ponfee.commons.jce.security

类 ECDSASigner

java.lang.Object

cn.ponfee.commons.jce.security.ECDSASigner

public final class ECDSASigner
extends Object

ECDSA签名算法工具类 http://blog.csdn.net/qq_30866297/article/details/51465439

作者:

Ponfee

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	ECDSASigner.ECDSASignAlgorithms

构造器概要

构造器

构造器和说明
ECDSASigner()

方法概要

限定符和类型	方法和说明
static ECPrivateKey	decodePrivateKey(byte[] privateKey) get ECPrivateKey from byte array
static ECPublicKey	decodePublicKey(byte[] publicKey) get ECPublicKey from byte array
static byte[]	encode(ECPrivateKey key) ECPrivateKey convert to byte array
static byte[]	encode(ECPublicKey key) ECPublicKey convert to byte array
static org.apache.commons.lang3.tuple.Pair<ECPublicKey,ECPrivateKey>	generateKeyPair()
static org.apache.commons.lang3.tuple.Pair<ECPublicKey,ECPrivateKey>	generateKeyPair(int keySize) 密钥生成
static byte[]	signSha1(byte[] data, ECPrivateKey privateKey)
static byte[]	signSha256(byte[] data, ECPrivateKey privateKey)
static byte[]	signSha512(byte[] data, ECPrivateKey privateKey)
static boolean	verifySha1(byte[] data, byte[] signed, ECPublicKey publicKey)
static boolean	verifySha256(byte[] data, byte[] signed, ECPublicKey publicKey)
static boolean	verifySha512(byte[] data, byte[] signed, ECPublicKey publicKey)

从类继承的方法 java.lang.Object

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

构造器详细资料

ECDSASigner

public ECDSASigner()

方法详细资料

generateKeyPair

public static org.apache.commons.lang3.tuple.Pair<ECPublicKey,ECPrivateKey> generateKeyPair()

generateKeyPair

public static org.apache.commons.lang3.tuple.Pair<ECPublicKey,ECPrivateKey> generateKeyPair(int keySize)

密钥生成

参数:

keySize - the key size: 192/224/256/384/521/571

返回:

ec key map

encode

public static byte[] encode(ECPublicKey key)

ECPublicKey convert to byte array

参数:

key - the ECPublicKey

返回:

byte array encoded of ECPublicKey

encode

public static byte[] encode(ECPrivateKey key)

ECPrivateKey convert to byte array

参数:

key - the ECPrivateKey

返回:

byte array encoded of ECPrivateKey

decodePublicKey

public static ECPublicKey decodePublicKey(byte[] publicKey)

get ECPublicKey from byte array

参数:

publicKey -

返回:

decodePrivateKey

public static ECPrivateKey decodePrivateKey(byte[] privateKey)

get ECPrivateKey from byte array

参数:

privateKey -

返回:

signSha1

public static byte[] signSha1(byte[] data,
                              ECPrivateKey privateKey)

verifySha1

public static boolean verifySha1(byte[] data,
                                 byte[] signed,
                                 ECPublicKey publicKey)

signSha256

public static byte[] signSha256(byte[] data,
                                ECPrivateKey privateKey)

verifySha256

public static boolean verifySha256(byte[] data,
                                   byte[] signed,
                                   ECPublicKey publicKey)

signSha512

public static byte[] signSha512(byte[] data,
                                ECPrivateKey privateKey)

verifySha512

public static boolean verifySha512(byte[] data,
                                   byte[] signed,
                                   ECPublicKey publicKey)