package ixee.cryptopals.utils

import ixee.cryptopals.utils.crypto._
import javax.crypto.Cipher
import javax.crypto.spec.SecretKeySpec

object CryptoUtils {

  def pkcs7pad(s: Seq[Byte], blockSize: Int): Seq[Byte] = {
    val padLength = blockSize - (s.length % blockSize)
    s ++ Stream.continually(padLength.toByte).take(padLength)
  }

}