package ixee.cryptopals.test

import com.ixee.IxeeSpec

class Set1Spec extends IxeeSpec {

  import ixee.cryptopals.utils.ConversionUtils._
  import ixee.cryptopals.utils.ByteUtils._
  import ixee.cryptopals.solvers._

  "Set1" - {

    "Challenge 1: converts from a hex string to base64" in {

      hexStr2Base64String(
        "49276d206b696c6c696e6720796f757220627261696e206c696b65206120706f69736f6e6f7573206d757368726f6f6d"
      ) mustBe(
        "SSdtIGtpbGxpbmcgeW91ciBicmFpbiBsaWtlIGEgcG9pc29ub3VzIG11c2hyb29t"
      )
    }

    "Challenge 2: xor's two equal-length buffers" in {

      val a = hexStr2Bytes(
        "1c0111001f010100061a024b53535009181c"
      )
      val b = hexStr2Bytes(
        "686974207468652062756c6c277320657965"
      )

      (a xor b).hex mustBe
        "746865206b696420646f6e277420706c6179"
    }

    "Challenge 3: single-byte xor cipher" in {
      XorDecrypt.findBestSingleByteKey(
        hexStr2Bytes(
          "1b37373331363f78151b7f2b783431333d78397828372d363c78373e783a393b3736"
        )
      ) mustBe 88.toByte
    }

    "Challenge 4: detecting single-byte xor" - {
      "Decrypts and reports the line of the single-byte xor" in {
        Challenge4.run("./data/4.txt") mustBe
          (("Now that the party is jumping\n", 170))
      }
    }
  }

}