Generate MD5 hash of a string

MD5Hash.scala

import java.nio.charset.Charset
import java.security.MessageDigest

object MD5Hash {

  def md5(value: String): String = {
    val Utf8 = Charset.forName("UTF-8")

    MessageDigest
      .getInstance("MD5")
      .digest(value.getBytes(Utf8))
      .foldLeft(new StringBuilder) {
        case (sb, byte) =>
          sb.append("%02x".format(byte))
      }
      .toString()
  }
}