getCrc32 function
Implementation
getCrc32(Uint8List buf) {
final b = buf;
int crc = 0xffffffff;
for (int i = 0; i < b.length; i++) {
final byte = b[i];
final t = (byte ^ crc) & 0xff;
crc = lookUpTable[t] ^ (crc >>> 8);
}
return ~crc & 0xffffffff;
}