fix comparison operators
implement AES192
assert Blocks > 0
add members returning underlying buffer
cast __m128i explicitly to __m128 and back
dispatch for aligned and unaligned
improve alignment
move RngCounter to StaticCounter
restrict discard size to result_type
remove unused assert
improve counter increment performance
improve performance of block counter
fix aligned test
improve pack unpack performance
more descriptive template par name
fix m128i pack/unpack
input and output m128i as chars