Hash Algorithms: SHA-1, HAVAL, MD2, MD5, SHA-256, SHA-384, SHA-512

How to create hashes (message digests) for strings.

Download Chilkat Java Library

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    CkCrypt2 crypt = new CkCrypt2();

    //  Any string argument automatically begins the 30-day trial.
    boolean success;
    success = crypt.UnlockComponent("30-day trial");
    if (success != true) {
        System.out.println("Crypt component unlock failed");
        return;
    }

    String s;
    s = "The quick brown fox jumps over the lazy dog";

    crypt.put_HashAlgorithm("sha1");
    crypt.put_EncodingMode("hex");

    //  Other possible EncodingMode settings are:
    //  "quoted-printable", "base64", and "url"

    String hash;
    hash = crypt.hashStringENC(s);
    System.out.println("SHA1:");
    System.out.println(hash);

    //  Hash using MD2
    crypt.put_HashAlgorithm("md2");
    hash = crypt.hashStringENC(s);
    System.out.println("MD2:");
    System.out.println(hash);

    //  Hash using MD5
    crypt.put_HashAlgorithm("md5");
    hash = crypt.hashStringENC(s);
    System.out.println("MD5:");
    System.out.println(hash);

    //  Hash using SHA-256
    crypt.put_HashAlgorithm("sha256");
    hash = crypt.hashStringENC(s);
    System.out.println("SHA256:");
    System.out.println(hash);

    //  Hash using SHA-384
    crypt.put_HashAlgorithm("sha384");
    hash = crypt.hashStringENC(s);
    System.out.println("SHA384:");
    System.out.println(hash);

    //  Hash using SHA-512
    crypt.put_HashAlgorithm("sha512");
    hash = crypt.hashStringENC(s);
    System.out.println("SHA512:");
    System.out.println(hash);

    //  Hash using HAVAL
    //  There are two additional properties relevant to HAVAL:
    //  HavalRounds, and KeyLength.
    //  HavalRounds can have values of 3, 4, or 5.
    //  KeyLength can have values of 128, 160, 192, 224, or 256
    crypt.put_HashAlgorithm("haval");
    crypt.put_HavalRounds(5);
    crypt.put_KeyLength(256);
    hash = crypt.hashStringENC(s);
    System.out.println("Haval:");
    System.out.println(hash);

    //  Hashes for "The quick brown fox jumps over the lazy dog"

    //  SHA1:
    //  2FD4E1C67A2D28FCED849EE1BB76E7391B93EB12

    //  MD2:
    //  03D85A0D629D2C442E987525319FC471

    //  MD5:
    //  9E107D9D372BB6826BD81D3542A419D6

    //  SHA256:
    //  D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592

    //  SHA384:
    //  CA737F1014A48F4C0B6DD43CB177B0AFD9E5169367544C494011E3317DBF9A509CB1E5DC1E85A941BBEE3D7F2AFBC9B1

    //  SHA512:
    //  07E547D9586F6A73F73FBAC0435ED76951218FB7D0C8D788A309D785436BBB642E93A252A954F23912547D1E8A3B5ED6E1BFD7097821233FA0538F3DB854FEE6

    //  Haval:
    //  B89C551CDFE2E06DBD4CEA2BE1BC7D557416C58EBB4D07CBC94E49F710C55BE4

  }
}