package com.ack.security;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.security.KeyStore;
import java.security.PrivateKey;
import java.security.cert.Certificate;
import java.util.Enumeration;
public class AccessingCertificates {
public static void main( String[] args ) throws Exception {
final String keyStore = "acme";
final String keyStorePass = "danger";
final String keyPass = "password";
// load information into a keystore
java.security.KeyStore ks = java.security.KeyStore.getInstance( "JKS" );
java.io.FileInputStream ksfis = new java.io.FileInputStream( keyStore );
java.io.BufferedInputStream ksbufin = new java.io.BufferedInputStream( ksfis );
ks.load( ksbufin, keyStorePass.toCharArray() );
// list aliases in the keystore
java.io.FileOutputStream fos = null;
for( java.util.Enumeration theAliases = ks.aliases(); theAliases.hasMoreElements(); ) {
String alias = (String) theAliases.nextElement();
java.security.cert.Certificate cert = ks.getCertificate( alias );
ByteUtils.saveBytesToFile( alias + ".cer", cert.getEncoded() );
ByteUtils.saveBytesToFile( alias + ".pubkey", cert.getPublicKey().getEncoded() );
java.security.PrivateKey privateKey = (java.security.PrivateKey) ks.getKey( alias, keyPass.toCharArray() );
ByteUtils.saveBytesToFile( alias + ".privKey", privateKey.getEncoded() );
System.out.println( "### generated certificate information for -> " + alias );
System.out.println( cert );
}
}
}