Const-ify Nb, Nk, Nr

[aes.git] / aes.cpp

diff --git a/aes.cpp b/aes.cpp
index e4aef0b..883d3b3 100644 (file)
--- a/aes.cpp
+++ b/aes.cpp
@@ -9,8 +9,7 @@ static byte xtimes (const byte bx);
 static void printState (byteArray &bytes, std::string name);
 
 AES::AES (const byteArray& key)
 static void printState (byteArray &bytes, std::string name);
 
 AES::AES (const byteArray& key)

-       : Nb(4)                                 // This is constant in AES
-       , Nk(key.size() / 4)    // This can be either 4, 6, or 8 (128, 192, or 256 bit)
+       : Nk(key.size() / 4)    // This can be either 4, 6, or 8 (128, 192, or 256 bit)

        , Nr(Nk + Nb + 2)
        , keySchedule(Nb * (Nr+1), 0x00000000)
 {
        , Nr(Nk + Nb + 2)
        , keySchedule(Nb * (Nr+1), 0x00000000)
 {