Creating a Keyed Digest Using MD5

    

import java.security.MessageDigest;

public class Main {
  public static void main(String[] a) throws Exception {
    byte[] buffer = new byte[10000];
    byte[] key = new byte[8];

    MessageDigest md5 = MessageDigest.getInstance("MD5");
    md5.update(buffer);
    byte[] k = md5.digest(key);
  }
}

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Creating a Keyed Digest Using MD5 : MD5 « Security « Java

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