Append length in bits to new_X

2017-09-01 10:06:18 -06:00 · 2017-09-01 10:06:18 -06:00 · 87011f37c5
parent 1acf1c3034
commit 87011f37c5
1 changed files with 1 additions and 1 deletions
--- a/nkms/crypto/kmac.py
+++ b/nkms/crypto/kmac.py
@ -28,7 +28,7 @@ class KMAC_256(object):
        kmac = hashlib.shake_256()
        new_X = (self._bytepad(key, self.BLOCK_SIZE_BYTES)
                 + message
-                 + (self.LENGTH_BYTES).to_bytes(2, byteorder='big'))
+                 + (self.LENGTH_BYTES*8).to_bytes(2, byteorder='big'))

        kmac.update(new_X)
        return kmac.digest(self.LENGTH_BYTES)