/// <summary>
/// Validates the HAN keys
/// </summary>
// Revision History
// MM/DD/YY Who Version ID Number Description
// -------- --- ------- -- ------ -------------------------------------------
// 09/17/09 RCG 2.30.00 Created
// 09/19/14 jrf 4.00.63 WR 534158 Modified way test details are set.
// 05/23/17 CFB 4.72.00 WR 741323 Removed validation of HAN link key as it is no longer used in the meter
private void ValidateHANKeys()
{
string NetworkKey = (string)CRegistryHelper.GetApplicationValue("GasPro", "Key");
string LinkKey = (string)CRegistryHelper.GetApplicationValue("GasPro", "GlobalLinkKey");
ProcedureResultCodes ValidationResult = ProcedureResultCodes.COMPLETED;
string Details = "";
if (IsAborted == false)
{
//Network Key validation
ValidationResult = m_AmiDevice.ValidateHANSecurityKeys(NetworkKey, CENTRON_AMI.HANKeys.NetworkKey);
Details = GetSecurityValidationDetails(ValidationResult);
if (ProcedureResultCodes.INVALID_PARAM == ValidationResult)
{
Details += ", " + TestResources.KeyNotConsistentWithRegistry;
}
AddTestDetail(TestResources.HANNetworkKey, GetResultString(ProcedureResultCodes.COMPLETED == ValidationResult),
Details);
}
}
/// <summary>
/// Reads the encrypted key from the registry and decrypts the byte array.
/// This version of GetSecurityKey can get either of the HAN security keys.
/// </summary>
/// <param name="IncludeSeqNbr">Whether or not to include the sequence
/// number at the start of the key</param>
/// <param name="KeyName">The name of the key to fetch - either the
/// network key or the global link key
/// </param>
/// <returns>the decrypted key as a byte array</returns>
//
// Revision History
// MM/DD/YY who Version Issue# Description
// -------- --- ------- ------ ---------------------------------------
// 03/11/08 AF 1.50.04 Created
// 10/02/09 AF 2.30.05 Added Compare() parameter for compiler warning
// 11/25/09 AF 2.30.22 Changed String.Compare() to quiet compiler warning
// 06/12/12 RCG 2.70.77 Changed to use the Secured Encryption Keys
protected byte[] GetSecurityKey(bool IncludeSeqNbr, string KeyName)
{
byte[] DecryptedKeyWithSeqNumber = new byte[17];
byte[] DecryptedKey;
string EncryptedKey = (string)CRegistryHelper.GetApplicationValue("GasPro", KeyName);
DecryptedKey = DecryptHANKey(EncryptedKey);
// By definition the sequence number is the first byte of the key
DecryptedKeyWithSeqNumber[0] = DecryptedKey[0];
Array.Copy(DecryptedKey, 0, DecryptedKeyWithSeqNumber, 1, DecryptedKey.Length);
if (IncludeSeqNbr)
{
return(DecryptedKeyWithSeqNumber);
}
else
{
return(DecryptedKey);
}
}