(Java) Hash (Digest) a String

Hash the bytes of a string.

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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[])
  {
    CkStringBuilder sb = new CkStringBuilder();

    sb.Append("Hello World");

    // Hashing algorithms (i.e. digest algorithms) operate on raw bytes.
    // Therefore, we must specify the character encoding (utf-8, utf-16, iso-8859-1, etc.) to be used when hashing.

    // Get the SHA256 hash in hex
    String sha256_hex = sb.getHash("sha256","hex","utf-8");
    System.out.println("SHA256: " + sha256_hex);

    // Get the SHA384 hash in hex lowercase
    String sha384_hex = sb.getHash("sha384","hex_lower","utf-8");
    System.out.println("SHA384: " + sha384_hex);

    // Get the SHA512 hash in base64
    String sha512_base64 = sb.getHash("sha512","base64","utf-8");
    System.out.println("SHA512: " + sha512_base64);

    // Get the SHA1 hash in hex lowercase
    String sha1_hex = sb.getHash("sha1","hex_lower","utf-8");
    System.out.println("SHA1: " + sha1_hex);

    // Get the CRC8 digest in decimal
    String crc8_decimal = sb.getHash("crc8","decimal","utf-8");
    System.out.println("CRC8: " + crc8_decimal);
  }
}