internal byte[] GetSerializedAttestationParameters(SqlEnclaveAttestationParameters sqlEnclaveAttestationParameters, string enclaveType)
{
byte[] attestationProtocolBytes = null;
byte[] attestationProtocolInputLengthBytes = null;
byte[] clientDHPublicKeyLengthBytes = null;
int attestationProtocolInt = sqlEnclaveAttestationParameters.Protocol;
attestationProtocolBytes = GetUintBytes(enclaveType, attestationProtocolInt, "attestationProtocol");
if (attestationProtocolBytes == null)
{
throw SQL.NullArgumentInternal(nameof(attestationProtocolBytes), nameof(EnclaveDelegate), nameof(GetSerializedAttestationParameters));
}
byte[] attestationProtocolInputBytes = sqlEnclaveAttestationParameters.GetInput();
attestationProtocolInputLengthBytes = GetUintBytes(enclaveType, attestationProtocolInputBytes.Length, "attestationProtocolInputLength");
if (attestationProtocolInputLengthBytes == null)
{
throw SQL.NullArgumentInternal(nameof(attestationProtocolInputLengthBytes), nameof(EnclaveDelegate), nameof(GetSerializedAttestationParameters));
}
byte[] clientDHPublicKey = sqlEnclaveAttestationParameters.ClientDiffieHellmanKey.Key.Export(CngKeyBlobFormat.EccPublicBlob);
clientDHPublicKeyLengthBytes = GetUintBytes(enclaveType, clientDHPublicKey.Length, "clientDHPublicKeyLength");
if (clientDHPublicKeyLengthBytes == null)
{
throw SQL.NullArgumentInternal(nameof(clientDHPublicKeyLengthBytes), nameof(EnclaveDelegate), nameof(GetSerializedAttestationParameters));
}
return(CombineByteArrays(attestationProtocolBytes, attestationProtocolInputLengthBytes, attestationProtocolInputBytes, clientDHPublicKeyLengthBytes, clientDHPublicKey));
}
internal byte[] GetSerializedAttestationParameters(SqlEnclaveAttestationParameters sqlEnclaveAttestationParameters, string enclaveType)
{
byte[] attestationProtocolBytes = null;
byte[] attestationProtocolInputLengthBytes = null;
byte[] clientDHPublicKeyLengthBytes = null;
int attestationProtocolInt = sqlEnclaveAttestationParameters.Protocol;
// attestation protocol
attestationProtocolBytes = GetUintBytes(enclaveType, attestationProtocolInt, "attestationProtocol");
if (attestationProtocolBytes == null)
{
throw SQL.NullArgumentInternal("attestationProtocolBytes", ClassName, GetSerializedAttestationParametersName);
}
// attestationProtocolInput
byte[] attestationProtocolInputBytes = sqlEnclaveAttestationParameters.GetInput();
// attestationProtocolInput length
attestationProtocolInputLengthBytes = GetUintBytes(enclaveType, attestationProtocolInputBytes.Length, "attestationProtocolInputLength");
if (attestationProtocolInputLengthBytes == null)
{
throw SQL.NullArgumentInternal("attestationProtocolInputLengthBytes", ClassName, GetSerializedAttestationParametersName);
}
// clientDHPublicKey
byte[] clientDHPublicKey = KeyConverter.ECDHPublicKeyToECCKeyBlob(sqlEnclaveAttestationParameters.ClientDiffieHellmanKey.PublicKey);
// clientDHPublicKey length
clientDHPublicKeyLengthBytes = GetUintBytes(enclaveType, clientDHPublicKey.Length, "clientDHPublicKeyLength");
if (clientDHPublicKeyLengthBytes == null)
{
throw SQL.NullArgumentInternal("clientDHPublicKeyLengthBytes", ClassName, GetSerializedAttestationParametersName);
}
return(CombineByteArrays(new[] { attestationProtocolBytes, attestationProtocolInputLengthBytes,
attestationProtocolInputBytes, clientDHPublicKeyLengthBytes, clientDHPublicKey }));
}
