org.dromara.hutool.crypto.cert

Class CertUtil

java.lang.Object

org.dromara.hutool.crypto.cert.CertUtil

public class CertUtil
extends Object

数字证书Certificate相关工具类

Since:

6.0.0

Author:

looly

Field Summary

Fields

Modifier and Type	Field and Description
static String	TYPE_X509 Certification类型：X.509

Constructor Summary

Constructors

Constructor and Description
CertUtil()

Method Summary

Modifier and Type	Method and Description
static Certificate	getCertificate(KeyStore keyStore, String alias) 获得 Certification
static CertificateFactory	getCertificateFactory(String type) 获取CertificateFactory
static boolean	isSelfSigned(X509Certificate cert) 判断一个证书是否是自签名的，即证书由自己签发。
static boolean	isSignedBy(X509Certificate end, X509Certificate ca) 验证一个证书是否由另一个证书签发。
static Certificate	readCertificate(String type, InputStream in) 读取Certification文件 Certification为证书文件 see: ...
static Certificate	readCertificate(String type, InputStream in, char[] password, String alias) 读取Certification文件 Certification为证书文件 see: ...
static Certificate	readX509Certificate(InputStream in) 读取X.509 Certification文件 Certification为证书文件 see: ...
static Certificate	readX509Certificate(InputStream in, char[] password, String alias) 读取X.509 Certification文件 Certification为证书文件 see: ...

Methods inherited from class java.lang.Object

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

Field Detail

TYPE_X509

public static final String TYPE_X509

Certification类型：X.509

See Also:

Constant Field Values

Constructor Detail

CertUtil

public CertUtil()

Method Detail

readX509Certificate

public static Certificate readX509Certificate(InputStream in)

读取X.509 Certification文件
Certification为证书文件
see: ...

Parameters:

in - InputStream 如果想从文件读取.cer文件，使用 FileUtil.getInputStream(File) 读取

Returns:

KeyStore

readX509Certificate

public static Certificate readX509Certificate(InputStream in,
                                              char[] password,
                                              String alias)

读取X.509 Certification文件
Certification为证书文件
see: ...

Parameters:

in - InputStream 如果想从文件读取.cer文件，使用 FileUtil.getInputStream(File) 读取

password - 密码

alias - 别名

Returns:

KeyStore

readCertificate

public static Certificate readCertificate(String type,
                                          InputStream in,
                                          char[] password,
                                          String alias)

读取Certification文件
Certification为证书文件
see: ...

Parameters:

type - 类型，例如X.509

in - InputStream 如果想从文件读取.cer文件，使用 FileUtil.getInputStream(File) 读取

password - 密码

alias - 别名

Returns:

KeyStore

Since:

4.4.1

readCertificate

public static Certificate readCertificate(String type,
                                          InputStream in)

读取Certification文件
Certification为证书文件
see: ...

Parameters:

type - 类型，例如X.509

in - InputStream 如果想从文件读取.cer文件，使用 FileUtil.getInputStream(File) 读取

Returns:

Certificate

getCertificate

public static Certificate getCertificate(KeyStore keyStore,
                                         String alias)

获得 Certification

Parameters:

keyStore - KeyStore

alias - 别名

Returns:

Certificate

getCertificateFactory

public static CertificateFactory getCertificateFactory(String type)

获取CertificateFactory

Parameters:

type - 类型，例如X.509

Returns:

KeyPairGenerator

Since:

4.5.0

isSelfSigned

public static boolean isSelfSigned(X509Certificate cert)

判断一个证书是否是自签名的，即证书由自己签发。

Parameters:

cert - 证书

Returns:

true表示自签名的，false表示非自签名的

isSignedBy

public static boolean isSignedBy(X509Certificate end,
                                 X509Certificate ca)

验证一个证书是否由另一个证书签发。
来自：sun.security.tools.KeyStoreUtil

Parameters:

end - 需要验证的终端证书

ca - 用于验证的CA证书

Returns:

如果终端证书由CA证书签发，则返回true，否则返回false