Scala 加密和哈希函数

//md5

import java.security.MessageDigest
object Md5 {
    def hashMD5(content: String): String = {
      val md5 = MessageDigest.getInstance("MD5")
      val encoded = md5.digest((content).getBytes)
      encoded.map("%02x".format(_)).mkString
    }
 
    def main(args: Array[String]) { 
        println(hashMD5("abcdefg"))
        println(hashMD5("abcde"))
    }
 
}