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package ixee.cryptopals.utils.crypto
import javax.crypto.Cipher
sealed trait CipherGenerator {
def encrypt: IxeeCipher // feels kinda gross to type this
def decrypt: IxeeCipher // writing crypto feels wrong
}
case class EcbBuilder(primitives: SchemeBuilder) extends CipherGenerator {
// lol
def encrypt = ???
def decrypt = ???
}
case class CbcBuilder(primitives: SchemeBuilder, iv: Seq[Byte]) extends CipherGenerator {
def encrypt =
setup(Cipher.ENCRYPT_MODE)
def decrypt =
setup(Cipher.DECRYPT_MODE)
private[this] def setup(cipherMode: Int) = {
val cipher = primitives.cipher
cipher.init(cipherMode, primitives.key)
new CBCCipher(cipher, iv, cipherMode)
}
}
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