java读取sm2证书
时间: 2023-07-18 08:31:02 浏览: 94
Java可以使用Bouncy Castle库来读取SM2证书。以下是一个简单的示例代码:
```java
import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
public class SM2CertReader {
public static void main(String[] args) {
try {
// 加载Bouncy Castle Provider
Security.addProvider(new BouncyCastleProvider());
// 读取证书库
KeyStore ks = KeyStore.getInstance("PKCS12", "BC");
FileInputStream fis = new FileInputStream("path/to/your/cert.pfx");
ks.load(fis, "password".toCharArray());
// 获取证书
Certificate cert = ks.getCertificate("alias");
X509Certificate x509Cert = (X509Certificate) cert;
// 输出证书信息
System.out.println("Subject: " + x509Cert.getSubjectDN());
System.out.println("Issuer: " + x509Cert.getIssuerDN());
System.out.println("Serial Number: " + x509Cert.getSerialNumber());
} catch (Exception e) {
e.printStackTrace();
}
}
}
```
其中,`path/to/your/cert.pfx`是证书库文件的路径,`password`是证书库的密码,`alias`是证书的别名。`x509Cert`是SM2证书,可以通过它获取证书的各种属性。