Java

HMAC with SHA256

See more Encryption Examples

Demonstrates how to compute a HMAC SHA256 keyed-hash message authentication code. Java

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[])
  {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkCrypt2 crypt = new CkCrypt2();

    // The output will be Hex, so set the EncodingMode:
    crypt.put_EncodingMode("hex");

    // Set the hash algorithm:
    // Choices are: md5, sha-1, sha256, sha384, sha512, md2, haval
    crypt.put_HashAlgorithm("sha256");
    crypt.put_MacAlgorithm("hmac");

    String mac;

    // Set the HMAC key:
    crypt.SetMacKeyEncoded("The_API_Secret","ascii");
    mac = crypt.macStringENC("The quick brown fox jumps over the lazy dog");
    System.out.println(mac);
  }
}