/**
* Compare a scanned QR code with what we expect.
*
* @param scannedFingerprintData The scanned data
* @return True if matching, otehrwise false.
* @throws FingerprintVersionMismatchException if the scanned fingerprint is the wrong version.
* @throws FingerprintIdentifierMismatchException if the scanned fingerprint is for the wrong stable identifier.
*/
public bool compareTo(byte[] scannedFingerprintData)
/* throws FingerprintVersionMismatchException,
* FingerprintIdentifierMismatchException,
* FingerprintParsingException */
{
try
{
CombinedFingerprints scanned = CombinedFingerprints.Parser.ParseFrom(scannedFingerprintData);
if (scanned.RemoteFingerprintOneofCase == CombinedFingerprints.RemoteFingerprintOneofOneofCase.None ||
scanned.LocalFingerprintOneofCase == CombinedFingerprints.LocalFingerprintOneofOneofCase.None ||
scanned.VersionOneofCase == CombinedFingerprints.VersionOneofOneofCase.None ||
scanned.Version != fingerprints.Version)
{
throw new FingerprintVersionMismatchException((int)scanned.Version, VERSION);
}
return(ByteUtil.isEqual(fingerprints.LocalFingerprint.Content.ToByteArray(), scanned.RemoteFingerprint.Content.ToByteArray()) &&
ByteUtil.isEqual(fingerprints.RemoteFingerprint.Content.ToByteArray(), scanned.LocalFingerprint.Content.ToByteArray()));
}
catch (InvalidProtocolBufferException e)
{
throw new FingerprintParsingException(e);
}
}
internal ScannableFingerprint(byte[] localFingerprintData, byte[] remoteFingerprintData)
{
LogicalFingerprint localFingerprint = new LogicalFingerprint
{
Content = ByteString.CopyFrom(ByteUtil.trim(localFingerprintData, 32))
};
LogicalFingerprint remoteFingerprint = new LogicalFingerprint
{
Content = ByteString.CopyFrom(ByteUtil.trim(remoteFingerprintData, 32))
};
this.fingerprints = new CombinedFingerprints
{
Version = (uint)VERSION,
LocalFingerprint = localFingerprint,
RemoteFingerprint = remoteFingerprint
};
}
