possible rijndael bug

[lg]

> vlm> Absolutely NOT.

> vlm> According to RFC1423 and FIPS81, the padding length may be somewhere
> vlm> in between 1 to 16 bytes, which translated into

> vlm> 	if(padLen < 0 || padLen >= 16)

> vlm> for this particular code.

> Ah, yes.  Then, `assert(padLen > 0 && padLen <= 16)'; should be wrong.

The thing is that our padLen is not real padlen it is the (BlockSize-realpadlen), and since
BlockSize is 16 and realpadlen is in [0, 16) range(as vlm writes) than our padLen will be 
in (0, 16] range.

> Sincerely,