The compare function should do a little-endian comparision, therefore
copy the code from quinier/memsec and don't revert the loop, tada, le.
Signed-off-by: Paul Spooren <mail@aparcar.org>
This finishes the last step of removing sodium.rs from the rosenpass crate
itself and also removes the NOTHING and NONCE0 constants.
Hashing functions now use destination parameters;
rosenpass_constant_time::xor now does too.
