42 lines
1.2 KiB
Java
42 lines
1.2 KiB
Java
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package com.de22.kstools;
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import java.security.cert.Certificate;
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import java.security.*;
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import java.io.File;
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import java.io.FileInputStream;
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/**
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* Exports the private key from the keystore in a pkcs12 format.
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*/
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public class ExportPrivateKey {
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public static void main(String args[]) throws Exception {
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if(args.length < 4) {
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System.out.println("Expected parameters: keystore-path, alias, store-password, key-password.");
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}//if//
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else {
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File keystoreFile = new File(args[0]);
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String aliasName = args[1];
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String storePass = args[2];
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String keyPass = args[3];
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KeyStore keystore = KeyStore.getInstance("JKS");
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Key key;
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keystore.load(new FileInputStream(keystoreFile), storePass.toCharArray());
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key = keystore.getKey(aliasName, keyPass.toCharArray());
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if(key instanceof PrivateKey) {
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char[] encodedKey = Base64Coder.encode(((PrivateKey) key).getEncoded());
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System.out.println("-----BEGIN PRIVATE KEY-----");
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for(int i = 0; i < encodedKey.length; i += 76) {
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char[] x = new char[Math.min(encodedKey.length - i, 76)];
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System.arraycopy(encodedKey, i, x, 0, x.length);
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System.out.println(x);
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}//for//
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System.out.println("-----END PRIVATE KEY-----");
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}//if//
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}//else//
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}//main()//
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}//ExportPrivateKey//
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