cn.hutool.crypto

Class ECKeyUtil

java.lang.Object

cn.hutool.crypto.ECKeyUtil

public class ECKeyUtil
extends Object

EC密钥参数相关工具类封装

Since:

5.4.3

Author:

looly

Constructor Summary

Constructors

Constructor and Description
ECKeyUtil()

Method Summary

Modifier and Type	Method and Description
static KeySpec	createOpenSSHPrivateKeySpec(byte[] key) 创建OpenSSHPrivateKeySpec
static KeySpec	createOpenSSHPublicKeySpec(byte[] key) 创建OpenSSHPublicKeySpec
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	decodePrivateKeyParams(byte[] privateKeyBytes) 尝试解析转换各种类型私钥为ECPrivateKeyParameters，支持包括： D值 PKCS#8 PKCS#1
static org.bouncycastle.crypto.params.ECPublicKeyParameters	decodePublicKeyParams(byte[] publicKeyBytes) 尝试解析转换各种类型公钥为ECPublicKeyParameters，支持包括： Q值 X.509 PKCS#1
static org.bouncycastle.crypto.params.ECPublicKeyParameters	getPublicParams(org.bouncycastle.crypto.params.ECPrivateKeyParameters privateKeyParameters) 根据私钥参数获取公钥参数
static org.bouncycastle.crypto.params.AsymmetricKeyParameter	toParams(Key key) 密钥转换为AsymmetricKeyParameter
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	toPrivateParams(BigInteger d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为 ECPrivateKeyParameters
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	toPrivateParams(byte[] d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为 ECPrivateKeyParameters
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	toPrivateParams(PrivateKey privateKey) 私钥转换为 ECPrivateKeyParameters
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	toPrivateParams(String d, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为 ECPrivateKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toPublicParams(BigInteger x, BigInteger y, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toPublicParams(byte[] xBytes, byte[] yBytes, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toPublicParams(byte[] pointEncoded, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toPublicParams(org.bouncycastle.math.ec.ECPoint point, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toPublicParams(PublicKey publicKey) 公钥转换为 ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toPublicParams(String pointEncoded, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toPublicParams(String x, String y, org.bouncycastle.crypto.params.ECDomainParameters domainParameters) 转换为ECPublicKeyParameters
static PrivateKey	toSm2PrivateKey(org.bouncycastle.asn1.sec.ECPrivateKey privateKey) 将SM2算法的ECPrivateKey 转换为 PrivateKey
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	toSm2PrivateParams(BigInteger d) 转换为 ECPrivateKeyParameters
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	toSm2PrivateParams(byte[] d) 转换为 ECPrivateKeyParameters
static org.bouncycastle.crypto.params.ECPrivateKeyParameters	toSm2PrivateParams(String d) 转换为 ECPrivateKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toSm2PublicParams(byte[] q) 转换为 ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toSm2PublicParams(byte[] xBytes, byte[] yBytes) 转换为SM2的ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toSm2PublicParams(String q) 转换为 ECPublicKeyParameters
static org.bouncycastle.crypto.params.ECPublicKeyParameters	toSm2PublicParams(String x, String y) 转换为SM2的ECPublicKeyParameters

Methods inherited from class java.lang.Object

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

Constructor Detail

ECKeyUtil

public ECKeyUtil()

Method Detail

toParams

public static org.bouncycastle.crypto.params.AsymmetricKeyParameter toParams(Key key)

密钥转换为AsymmetricKeyParameter

Parameters:

key - PrivateKey或者PublicKey

Returns:

ECPrivateKeyParameters或者ECPublicKeyParameters

getPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters getPublicParams(org.bouncycastle.crypto.params.ECPrivateKeyParameters privateKeyParameters)

根据私钥参数获取公钥参数

Parameters:

privateKeyParameters - 私钥参数

Returns:

公钥参数

Since:

5.5.9

toSm2PublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(byte[] q)

转换为 ECPublicKeyParameters

Parameters:

q - 公钥Q值

Returns:

ECPublicKeyParameters

toSm2PublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(String q)

转换为 ECPublicKeyParameters

Parameters:

q - 公钥Q值

Returns:

ECPublicKeyParameters

toSm2PublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(String x,
                                                                                     String y)

转换为SM2的ECPublicKeyParameters

Parameters:

x - 公钥X

y - 公钥Y

Returns:

ECPublicKeyParameters

toSm2PublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toSm2PublicParams(byte[] xBytes,
                                                                                     byte[] yBytes)

转换为SM2的ECPublicKeyParameters

Parameters:

xBytes - 公钥X

yBytes - 公钥Y

Returns:

ECPublicKeyParameters

toPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(String x,
                                                                                  String y,
                                                                                  org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

Parameters:

x - 公钥X

y - 公钥Y

domainParameters - ECDomainParameters

Returns:

ECPublicKeyParameters，x或y为null则返回null

toPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(byte[] xBytes,
                                                                                  byte[] yBytes,
                                                                                  org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

Parameters:

xBytes - 公钥X

yBytes - 公钥Y

domainParameters - ECDomainParameters曲线参数

Returns:

ECPublicKeyParameters

toPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(BigInteger x,
                                                                                  BigInteger y,
                                                                                  org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

Parameters:

x - 公钥X

y - 公钥Y

domainParameters - ECDomainParameters

Returns:

ECPublicKeyParameters

toPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(String pointEncoded,
                                                                                  org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

Parameters:

pointEncoded - 被编码的曲线坐标点

domainParameters - ECDomainParameters

Returns:

ECPublicKeyParameters

Since:

5.4.3

toPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(byte[] pointEncoded,
                                                                                  org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

Parameters:

pointEncoded - 被编码的曲线坐标点

domainParameters - ECDomainParameters

Returns:

ECPublicKeyParameters

Since:

5.4.3

toPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(org.bouncycastle.math.ec.ECPoint point,
                                                                                  org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为ECPublicKeyParameters

Parameters:

point - 曲线坐标点

domainParameters - ECDomainParameters

Returns:

ECPublicKeyParameters

Since:

5.4.3

toPublicParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters toPublicParams(PublicKey publicKey)

公钥转换为 ECPublicKeyParameters

Parameters:

publicKey - 公钥，传入null返回null

Returns:

ECPublicKeyParameters或null

toSm2PrivateParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toSm2PrivateParams(String d)

转换为 ECPrivateKeyParameters

Parameters:

d - 私钥d值16进制字符串

Returns:

ECPrivateKeyParameters

toSm2PrivateParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toSm2PrivateParams(byte[] d)

转换为 ECPrivateKeyParameters

Parameters:

d - 私钥d值

Returns:

ECPrivateKeyParameters

toSm2PrivateParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toSm2PrivateParams(BigInteger d)

转换为 ECPrivateKeyParameters

Parameters:

d - 私钥d值

Returns:

ECPrivateKeyParameters

toPrivateParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(String d,
                                                                                    org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为 ECPrivateKeyParameters

Parameters:

d - 私钥d值16进制字符串

domainParameters - ECDomainParameters

Returns:

ECPrivateKeyParameters

toPrivateParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(byte[] d,
                                                                                    org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为 ECPrivateKeyParameters

Parameters:

d - 私钥d值

domainParameters - ECDomainParameters

Returns:

ECPrivateKeyParameters

toPrivateParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(BigInteger d,
                                                                                    org.bouncycastle.crypto.params.ECDomainParameters domainParameters)

转换为 ECPrivateKeyParameters

Parameters:

d - 私钥d值

domainParameters - ECDomainParameters

Returns:

ECPrivateKeyParameters

toPrivateParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters toPrivateParams(PrivateKey privateKey)

私钥转换为 ECPrivateKeyParameters

Parameters:

privateKey - 私钥，传入null返回null

Returns:

ECPrivateKeyParameters或null

toSm2PrivateKey

public static PrivateKey toSm2PrivateKey(org.bouncycastle.asn1.sec.ECPrivateKey privateKey)

将SM2算法的ECPrivateKey 转换为 PrivateKey

Parameters:

privateKey - ECPrivateKey

Returns:

PrivateKey

createOpenSSHPrivateKeySpec

public static KeySpec createOpenSSHPrivateKeySpec(byte[] key)

创建OpenSSHPrivateKeySpec

Parameters:

key - 私钥，需为PKCS#1格式

Returns:

OpenSSHPrivateKeySpec

Since:

5.5.9

createOpenSSHPublicKeySpec

public static KeySpec createOpenSSHPublicKeySpec(byte[] key)

创建OpenSSHPublicKeySpec

Parameters:

key - 公钥，需为PKCS#1格式

Returns:

OpenSSHPublicKeySpec

Since:

5.5.9

decodePrivateKeyParams

public static org.bouncycastle.crypto.params.ECPrivateKeyParameters decodePrivateKeyParams(byte[] privateKeyBytes)

尝试解析转换各种类型私钥为ECPrivateKeyParameters，支持包括：

• D值
• PKCS#8
• PKCS#1

Parameters:

privateKeyBytes - 私钥

Returns:

ECPrivateKeyParameters

Since:

5.5.9

decodePublicKeyParams

public static org.bouncycastle.crypto.params.ECPublicKeyParameters decodePublicKeyParams(byte[] publicKeyBytes)

尝试解析转换各种类型公钥为ECPublicKeyParameters，支持包括：

• Q值
• X.509
• PKCS#1

Parameters:

publicKeyBytes - 公钥

Returns:

ECPublicKeyParameters

Since:

5.5.9