public override bool Equals(object obj)
{
if (!(obj is RawRegisterResponse))
{
return(false);
}
if (this == obj)
{
return(true);
}
if (GetType() != obj.GetType())
{
return(false);
}
RawRegisterResponse other = (RawRegisterResponse)obj;
if (!_attestationCertificate.Equals(other._attestationCertificate))
{
return(false);
}
if (!_keyHandle.SequenceEqual(other._keyHandle))
{
return(false);
}
if (!_signature.SequenceEqual(other._signature))
{
return(false);
}
return(_userPublicKey.SequenceEqual(other._userPublicKey));
}
/// <summary>
/// Converts string response into RawRegisterResponse object
/// </summary>
/// <param name="rawDataBase64">raw string from client</param>
/// <returns>RawRegisterResponse object</returns>
public static RawRegisterResponse FromBase64(string rawDataBase64)
{
if (string.IsNullOrWhiteSpace(rawDataBase64))
{
throw new ArgumentException("Invalid argument were being passed.");
}
byte[] bytes = rawDataBase64.Base64StringToByteArray();
Stream stream = new MemoryStream(bytes);
BinaryReader binaryReader = new BinaryReader(stream);
try
{
byte reservedByte = binaryReader.ReadByte();
if (reservedByte != RegistrationReservedByteValue)
{
throw new U2fException($"Incorrect value of reserved byte. Expected: {RegistrationReservedByteValue}. Was: {reservedByte}");
}
byte[] publicKey = binaryReader.ReadBytes(65);
byte keyHandleLength = binaryReader.ReadByte();
byte[] keyHandle = binaryReader.ReadBytes(keyHandleLength);
List <byte> rawCertBytes = new List <byte>();
while (binaryReader.BaseStream.Length - binaryReader.BaseStream.Position > 0)
{
byte end = binaryReader.ReadByte();
rawCertBytes.Add(end);
}
X509Certificate2 attestationCertificate = new X509Certificate2(rawCertBytes.ToArray());
// reserved byte + public key length + key handle length + cert data length
int size = 1 + 65 + 1 + keyHandle.Length + attestationCertificate.RawData.Length;
byte[] signature = bytes.Skip(size).Take(bytes.Length - size).ToArray();
RawRegisterResponse rawRegisterResponse = new RawRegisterResponse(
publicKey,
keyHandle,
attestationCertificate,
signature);
return(rawRegisterResponse);
}
catch (Exception exception)
{
throw new U2fException("Error when parsing attestation certificate", exception);
}
finally
{
stream.Dispose();
binaryReader.Dispose();
}
}
/// <summary>
/// Converts string response into RawRegisterResponse object
/// </summary>
/// <param name="rawDataBase64">raw string from client</param>
/// <returns>RawRegisterResponse object</returns>
public static RawRegisterResponse FromBase64(string rawDataBase64)
{
if (string.IsNullOrWhiteSpace(rawDataBase64))
{
throw new ArgumentException("Invalid argument were being passed.");
}
byte[] bytes = rawDataBase64.Base64StringToByteArray();
Stream stream = new MemoryStream(bytes);
BinaryReader binaryReader = new BinaryReader(stream);
try
{
byte reservedByte = binaryReader.ReadByte();
if (reservedByte != RegistrationReservedByteValue)
{
throw new U2fException(string.Format("Incorrect value of reserved byte. Expected: {0}. Was: {1}",
RegistrationReservedByteValue, reservedByte));
}
byte[] publicKey = binaryReader.ReadBytes(65);
byte[] keyHandle = binaryReader.ReadBytes(binaryReader.ReadByte());
X509CertificateParser x509CertificateParser = new X509CertificateParser();
X509Certificate attestationCertificate = x509CertificateParser.ReadCertificate(stream);
int size = (int)(binaryReader.BaseStream.Length - binaryReader.BaseStream.Position);
byte[] signature = binaryReader.ReadBytes(size);
RawRegisterResponse rawRegisterResponse = new RawRegisterResponse(
publicKey,
keyHandle,
attestationCertificate,
signature);
return(rawRegisterResponse);
}
catch (Exception e)
{
throw new U2fException("Error when parsing attestation certificate", e);
}
finally
{
stream.Dispose();
binaryReader.Dispose();
}
}
