akka.util.Crypt.scala Maven / Gradle / Ivy
/**
* Copyright (C) 2009-2012 Typesafe Inc.
*/
package akka.util
import java.security.{ MessageDigest, SecureRandom }
object Crypt {
val hex = "0123456789ABCDEF"
val lineSeparator = System.getProperty("line.separator")
lazy val random = SecureRandom.getInstance("SHA1PRNG")
def md5(text: String): String = md5(unifyLineSeparator(text).getBytes("ASCII"))
def md5(bytes: Array[Byte]): String = digest(bytes, MessageDigest.getInstance("MD5"))
def sha1(text: String): String = sha1(unifyLineSeparator(text).getBytes("ASCII"))
def sha1(bytes: Array[Byte]): String = digest(bytes, MessageDigest.getInstance("SHA1"))
def generateSecureCookie: String = {
val bytes = Array.fill(32)(0.byteValue)
random.nextBytes(bytes)
sha1(bytes)
}
def digest(bytes: Array[Byte], md: MessageDigest): String = {
md.update(bytes)
hexify(md.digest)
}
def hexify(bytes: Array[Byte]): String = {
val builder = new StringBuilder
bytes.foreach { byte ⇒ builder.append(hex.charAt((byte & 0xF0) >> 4)).append(hex.charAt(byte & 0xF)) }
builder.toString
}
private def unifyLineSeparator(text: String): String = text.replaceAll(lineSeparator, "\n")
}