Rough cut of challenge 10

1 files changed, 51 insertions, 0 deletions

diff --git a/src/solvers/Challenge10.scala b/src/solvers/Challenge10.scala
new file mode 100644
index 0000000..a130106
--- /dev/null
+++ b/src/solvers/Challenge10.scala
@@ -0,0 +1,51 @@
+package ixee.cryptopals.solvers
+
+import scala.io.Source
+import ixee.cryptopals.utils.ByteUtils._
+import ixee.cryptopals.utils.StreamUtils._
+import ixee.cryptopals.utils.ConversionUtils._
+import ixee.cryptopals.utils.FunctionUtils._
+import ixee.cryptopals.utils._
+import io.github.marklister.base64.Base64._
+import javax.crypto.Cipher
+import javax.crypto.spec.SecretKeySpec
+
+object Challenge10 {
+  val path = "./data/10.txt"
+
+  lazy val ciphertext =
+    Source
+      .fromFile(path)
+      .getLines()
+      .toSeq
+      .mkString
+      .toByteArray
+
+  def run = {
+    val encInstance = CryptoUtils.cbcEncryptInstance(
+      "AES",
+      "YELLOW SUBMARINE".asBytes.toArray,
+      Stream.continually(0.toByte).take(16)
+    )
+
+    val decInstance = CryptoUtils.cbcDecryptInstance(
+      "AES",
+      "YELLOW SUBMARINE".asBytes.toArray,
+      Stream.continually(0.toByte).take(16)
+    )
+
+    val s = "foo bar frobnicator the quick brown fox jumps over the lazy dog".asBytes
+
+    val enc = encInstance.enc(s) ++ encInstance.end()
+    val dec = decInstance.dec(enc)
+    println(dec.startsWith(enc))
+
+    val decInstance2 = CryptoUtils.cbcDecryptInstance(
+      "AES",
+      "YELLOW SUBMARINE".asBytes.toArray,
+      Stream.continually(0.toByte).take(16)
+    )
+
+    decInstance2.dec(ciphertext)
+  }
+}