org.apache.commons.ssl.OpenSSLTest Maven / Gradle / Ivy

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package org.apache.commons.ssl;

import org.apache.commons.ssl.util.Hex;

import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.util.Arrays;

/**
 * @author Julius Davies
 * @since 3-Jul-2007
 */
public class OpenSSLTest {

    public static void main(String[] args) throws Exception {
        String path = args[0];
        File f = new File(path);
        if (f.isDirectory()) {
            File[] files = f.listFiles();
            Arrays.sort(files);
            for (int i = 0; i < files.length; i++) {
                process(files[i], 0);
            }
        } else {
            System.out.println("Attempting decrypt!");

            String keyS = "1234567890ABDEF01234567890ABDEFF";
            String ivS = "1234567890ABDEF01234567890ABDEFF";
            byte[] key = Hex.decode(keyS.getBytes());
            byte[] iv = Hex.decode(ivS.getBytes());
            FileInputStream in = new FileInputStream(f);
            InputStream decrypted = OpenSSL.decrypt("aes128", key, iv, in);
            byte[] b = Util.streamToBytes(decrypted);
            System.out.println(new String(b));
        }
    }


    private static void process(File f, int depth) {
        String name = f.getName();
        if ("CVS".equalsIgnoreCase(name)) {
            return;
        }
        if (name.toUpperCase().startsWith("README")) {
            return;
        }

        if (f.isDirectory()) {
            if (depth <= 3) {
                File[] files = f.listFiles();
                Arrays.sort(files);
                for (int i = 0; i < files.length; i++) {
                    process(files[i], depth + 1);
                }
            } else {
                System.out.println("IGNORING [" + f + "].  Directory too deep (" + depth + ").");
            }
        } else {
            if (f.isFile() && f.canRead()) {
                String fileName = f.getName();
                int x = fileName.indexOf('.');
                if (x < 0) {
                    return;
                }
                String cipher = fileName.substring(0, x);
                String cipherPadded = Util.pad(cipher, 20, false);
                String filePadded = Util.pad(fileName, 25, false);
                try {
                    FileInputStream in = new FileInputStream(f);
                    byte[] encrypted = Util.streamToBytes(in);
                    char[] pwd = "changeit".toCharArray();

                    byte[] result = OpenSSL.decrypt(cipher, pwd, encrypted);
                    String s = new String(result, "ISO-8859-1");

                    boolean success = "Hello World!".equals(s);
                    if (success) {
                        System.out.println("SUCCESS \t" + cipherPadded + "\t" + filePadded);
                    } else {
                        System.out.println("FAILURE*\t" + cipherPadded + "\t" + filePadded + "\tDECRYPT RESULTS DON'T MATCH");
                    }
                }
                catch (Exception e) {
                    System.out.println("FAILURE*\t" + cipherPadded + "\t" + filePadded + "\t" + e);
                    e.printStackTrace();
                }
            }
        }
    }

}