Java doesn't produce the same hash for non 128 bit keysizes of AES as C++&Python

[GoogleCodeExporter]

What steps will reproduce the problem?

http://code.google.com/p/keyczar/source/browse/java/code/src/org/keyczar/AesKey.
java#119

byte[] fullHash = Util.hash(Util.fromInt(BLOCK_SIZE), aesBytes, 
hmacKey.getEncoded());

What is the expected output? What do you see instead?

byte[] fullHash = Util.hash(Util.fromInt(aesBytes.length), aesBytes, 
hmacKey.getEncoded());

so that it is compatable with:
http://code.google.com/p/keyczar/source/browse/python/src/keyczar/keys.py#341
 fullhash = util.Hash(util.IntToBytes(len(self.key_bytes)),
                         self.key_bytes,
                         self.hmac_key.key_bytes)
or
http://code.google.com/p/keyczar/source/browse/cpp/src/keyczar/key.cc#202
 digest_impl.Update(util::Int32ToByteString(trimmed_field->size()));
 digest_impl.Update(*trimmed_field);

or wiki:
http://code.google.com/p/keyczar/wiki/KeyHash
4-byte integer valued length of the raw AES key bytes
Raw AES key bytes
Raw HMAC key bytes

What version of the product are you using? On what operating system?

Rev 275f433163c1

Original issue reported on code.google.com by jtu...@gmail.com on 11 Sep 2012 at 12:56

[jbtule]

This issue can be closed!!