processByte method
Processes the input and returns the amount of bytes written.
Implementation
@override
int processByte(int inp, Uint8List out, int outOff) {
_ensureAadMacFinished();
var r = out[outOff] = _ctr.returnByte(inp);
if (_forEncryption) {
_cMac.updateByte(r);
return 1;
}
return _bufByte(inp);
}