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package ixee.cryptopals.test
import com.ixee.IxeeSpec
class Set2Spec extends IxeeSpec {
import ixee.cryptopals.utils.ConversionUtils._
import ixee.cryptopals.utils.ByteUtils._
import ixee.cryptopals.utils.StreamUtils._
import ixee.cryptopals.utils._
import ixee.cryptopals.solvers._
"Set2" - {
"Challenge 9: Implement PKCS#7 padding" - {
"when n bytes are missing" - {
"fill with n bytes of value n" in {
val text = "what a nice stri" * 16 * 2
def challenge9spec(expected: Byte) = {
val truncated = text.dropRight(expected)
val padString =
CryptoUtils.pkcs7pad(truncated.toByteArray, 256).takeRight(expected)
val expectedPad =
s"${expected.toChar}" * expected
padString.asAscii mustBe expectedPad
}
for {
x <- 1 to 255
} yield challenge9spec(x.toByte)
}
}
}
"Challenge 10: Implement CBC mode" - {
}
}
}
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