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akka.util.Crypt.scala Maven / Gradle / Ivy

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/**
 * Copyright (C) 2009-2016 Lightbend Inc. 
 */

package akka.util

import java.security.{ MessageDigest, SecureRandom }
@deprecated(message = "Not in use.", since = "2.4-M1")
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 java.lang.StringBuilder(bytes.length * 2)
    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")
}




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