There are several ways to retrieve the approved CA certificates from a server using Java. One of the common ways is to use the Java KeyStore API. Here is an example code snippet that demonstrates how to retrieve the approved CA certificates from a server using Java:
import java.io.InputStream;
import java.security.KeyStore;
import java.security.cert.Certificate;
public class RetrieveCACertificates {
public static void main(String[] args) throws Exception {
String keystoreFile = "path/to/keystore.jks";
String keystorePassword = "keystorepassword";
// Load the keystore from file
InputStream keystoreStream = new FileInputStream(keystoreFile);
KeyStore keystore = KeyStore.getInstance("JKS");
keystore.load(keystoreStream, keystorePassword.toCharArray());
// Retrieve the certificates from the keystore
String alias = null;
int i = 1;
while ((alias = keystore.aliases().nextElement()) != null) {
Certificate cert = keystore.getCertificate(alias);
if (cert.getPublicKey().getAlgorithm().equals("RSA")) {
System.out.println("Cert " + i++ + ": " + cert.toString());
}
}
}
}
In this code snippet, we are loading the keystore file using the FileInputStream
class and initializing a KeyStore
object. Then, we are retrieving the certificate aliases from the keystore using the aliases()
method and iterating through them to get the individual certificates using the getCertificate()
method. Finally, we are checking if the certificate's public key algorithm is RSA and printing the certificate information to the console. Note that you may need to modify this code to suit your specific use case.
Please start posting anonymously - your entry will be published after you log in or create a new account. This space is reserved only for answers. If you would like to engage in a discussion, please instead post a comment under the question or an answer that you would like to discuss
Asked: 2023-05-27 16:52:00 +0000
Seen: 8 times
Last updated: May 27 '23
How can set the Project Title in the Doxygen Configuration File?
How can I convert Double to Long in Java?
Can I add a default Parameter for a Method in Java like int calculate(int x, int y=2)?
How can the rejection of the class text_plain from JavaMail API due to a VerifyError be confirmed?
Is it feasible to utilize a Toggle Button to switch among multiple classes exceeding 2?
How can I set up Environment variables on my M1 MacBook and resolve the ZSH permission denied error?
What is the process for generating a dynamic subdomain/URL using vue.js?