sviolet.thistle.util.crypto.base.BaseCertificateUtils Maven / Gradle / Ivy
/*
* Copyright (C) 2015-2018 S.Violet
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Project GitHub: https://github.com/shepherdviolet/thistle
* Email: [email protected]
*/
package sviolet.thistle.util.crypto.base;
import java.io.InputStream;
import java.security.cert.*;
/**
* 证书处理基本逻辑
*
* Not recommended for direct use
*
* 不建议直接使用
*
* @author S.Violet
*/
public class BaseCertificateUtils {
public static final String TYPE_X509 = "X.509";
/* **********************************************************************************************
* certificate decode / encode
********************************************************************************************** */
/**
*
解析证书, 返回Certificate对象, 可用来获取证书公钥实例等, JDK版本较弱. 解析SM2等证书请使用BaseBCCertificateUtils.
* @param inputStream 证书数据流, 会被close掉
* @param type 证书数据格式, 例如X.509
* @return 如果type是X.509, 可以强制类型转换为X509Certificate
*/
public static Certificate parseCertificate(InputStream inputStream, String type) throws CertificateException {
try {
CertificateFactory factory = CertificateFactory.getInstance(type);
return factory.generateCertificate(inputStream);
} finally {
try {
inputStream.close();
} catch (Exception ignore) {
}
}
}
/**
* 将证书编码为二进制数据, 适用于目前所有证书类型
* @param certificate 证书
* @return 二进制数据
*/
public static byte[] encodeCertificate(Certificate certificate) throws CertificateEncodingException {
if (certificate == null){
return null;
}
return certificate.getEncoded();
}
/**
* 将证书链编码为二进制数据
* @param certPath 证书链
* @param encoding 编码, PKCS7
* @return 证书链的数据
*/
public static byte[] encodeCertPath(CertPath certPath, String encoding) throws CertificateEncodingException {
if (certPath == null) {
return null;
}
return certPath.getEncoded(encoding);
}
}