decryptBlock method
Implementation
Uint8List decryptBlock(final Uint8List eblock) {
if (eblock.length % blockSize != 0) {
throw ArgumentError.value(
eblock, "eblock size should be $blockSize bytes");
}
_bc.init(false, _key);
final wblock = _bytesToDWordList(eblock);
_processBlock(wblock);
return _dwordListToBytes(wblock);
}