[英]How to read a PEM certificate without BEGIN and END via PEMParser in Java using BouncyCastle
I have a cert.PEM
file which I created in this way: 我有一个以这种方式创建的
cert.PEM
文件:
Base64 encoder = new Base64();
File file = new File(certPath + "cert.pem");
file.createNewFile();
writer = new FileWriter(file);
writer.write(new String(encoder.encode(cert.getEncoded())));
writer.close();
It is without ----BEGIN CERTIFICATE----
and -----END CERTIFICATE-----
parts. 它没有
----BEGIN CERTIFICATE----
和-----END CERTIFICATE-----
部分。 It is in its raw form like: 它的原始格式如下:
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
Now I want to read it again and parse it to a X509CertificateHolder
by this code: 现在,我想再次阅读它,并通过以下代码将其解析为
X509CertificateHolder
:
PEMParser r = new PEMParser(new FileReader(certFile));
System.out.println(r.ready());
PemObject object = r.readPemObject();
X509CertificateHolder cert = new X509CertificateHolder(object.getContent());
Date date = new Date();
if (date.compareTo(cert.getNotAfter()) > 0)
{
generateCert();
}
and I get this: 我得到这个:
java.lang.NullPointerException
at com.sunova.bot.Launcher.<init>(Launcher.java:67)
at com.sunova.bot.Launcher.getInstance(Launcher.java:41)
at com.sunova.bot.Launcher.main(Launcher.java:48)
which is due to r.readPemObject()
returns null. 由于
r.readPemObject()
返回null。 What should I do? 我该怎么办?
The PEM format includes the BEGIN CERTIFICATE and END CERTIFICATE headers. PEM格式包括BEGIN CERTIFICATE和END CERTIFICATE标头。 See http://tools.ietf.org/html/rfc7468#page-11 .
参见http://tools.ietf.org/html/rfc7468#page-11 。 So you should add them in your .pem file.
因此,您应该将它们添加到您的.pem文件中。 After this, PEMParser will work properly
之后,PEMParser将正常工作
If you can not do this, add the headers on the fly before providing the content to PEMParser 如果您不能执行此操作,请在将内容提供给PEMParser之前动态添加标头
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