public override bool Equals(object obj)
{
var binding = obj as SslCertificateBinding;
if (binding == null)
{
return(false);
}
return(IPAddress.Equals(binding.IPAddress) &&
Port.Equals(binding.Port) &&
CertificateHash.Equals(binding.CertificateHash) &&
ApplicationID.Equals(binding.ApplicationID));
}
private bool ValidBlock1()
{
bool valid = true;
string temp = Block_1;
string sub = null;
// Check the length first.
// If this is wrong don't bother checking anything else.
if ((Block_1.Length < MIN_BLOCK_1_LEN) || (Block_1.Length > MAX_BLOCK_1_LEN))
{
errors.Add("Invalid length for block 1 : " + Block_1.Length + " Expecting length between : " + MIN_BLOCK_1_LEN + " and " + MAX_BLOCK_1_LEN);
valid = false;
return(valid);
}
// Check START OF BLOCK INDICATOR = {
// This is a mandatory field.
// The character { indicates the beginning of a block.
if (temp[0] != '{')
{
errors.Add("BLOCK 1: Message missing START OF BLOCK INDICATOR ({)");
valid = false;
}
temp = temp.Substring(1);
// Check BLOCK IDENTIFIER = 3c
// This is a mandatory field.
// 1 to 3 alphanumeric characters used to define block contents.
// This block identiifer must be 1.
sub = temp.Substring(0, temp.IndexOf(':'));
if (string.Equals(sub, "1") == false)
{
errors.Add("BLOCK 1: Invalid BLOCK IDENTIFIER : " + sub + " Expecting : 1");
valid = false;
}
// We found the colon in the last step now get rid of it
// This is a mandatory field.
temp = temp.Substring(2);
// Check the APPLICATION IDENTIFIER = 1a
// This is a mandatory field.
// The Application Identifier identifies the application within which the message is being sent or received.
// The available options are:
// F = FIN All user-to-user, FIN system and FIN service messages
// A = GPA (General Purpose Application) Most GPA system and service messages
// L = GPA Certain GPA service messages, for example, LOGIN, LAKs, ABORT These values are automatically assigned by the SWIFT system and the user's CBT
ApplicationID = temp.Substring(0, 1);
if ((ApplicationID.Equals("F") == false) && (ApplicationID.Equals("A") == false) && (ApplicationID.Equals("L") == false))
{
errors.Add("BLOCK 1: Invalid APPLICATION IDENTIFIER : " + ApplicationID + " Expecting : F, A or L");
valid = false;
}
// Check SERVICE IDENTIFIER = 2n
// This is a mandatory field.
// The Service Identifier consists of two numeric characters.
// It identifies the type of data that is being sent or received and, in doing so, whether the message which follows is one of the following:
// a user-to-user message,
// a system message,
// a service message,
// for example, a session control command, such as SELECT, or a logical acknowledgment, such as ACK/SAK/UAK.
// Possible values are 01 = FIN/GPA or 21 = ACK/NAK.
temp = temp.Substring(1);
ServiceID = temp.Substring(0, 2);
if ((ServiceID.Equals("01") == false) && (ServiceID.Equals("21") == false))
{
errors.Add("BLOCK 1: Invalid SERVICE IDENTIFIER : " + ServiceID + " Expecting : 01 or 21");
valid = false;
}
// Check the LOGICAL TERMINAL ADDRESS = 12x
// This is a mandatory field.
// The Logical Termial (LT) Address is a 12-character FIN address.
// It is the address of the sending LT for input messages or of the receiving LT for output messages, and includes the Branch Code.
// It consists of: - the BIC 8 CODE (8 characters) - the Logical Terminal Code (1 upper case alphabetic character) - the BIC Branch Code (3 characters)
temp = temp.Substring(2);
LTAddress = temp.Substring(0, 12);
BICCode = LTAddress.Substring(0, 8);
LogicalTerminalCode = LTAddress.Substring(8, 1);
BICBranchCode = LTAddress.Substring(9, 3);
if (IsValidBICCode(BICCode) == false)
{
errors.Add("BLOCK 1: Invalid BIC Code : " + BICCode);
valid = false;
}
if (IsValidLogicalTerminal(LogicalTerminalCode) == false)
{
errors.Add("BLOCK 1: Invalid Logical Terminal : " + LogicalTerminalCode);
valid = false;
}
if (IsValidBICBranchCode(BICBranchCode) == false)
{
errors.Add("BLOCK 1: Invalid BIC Branch Code : " + BICBranchCode);
valid = false;
}
// Check the SESSION NUMBER = 4n
// This is a mandatory field.
// The Session Number identifies the session in which the message was transmitted.
// It is a four digits number that is automatically generated by the user's computer and padded with zeros.
temp = temp.Substring(12);
SessionNumber = temp.Substring(0, 4);
if (IsValidSessionNumber(SessionNumber) == false)
{
errors.Add("BLOCK 1: Invalid SESSION NUMBER : " + SessionNumber);
valid = false;
}
// Check the INPUT SEQUENCE NUMBER = 6n
// This is a mandatory field.
// The sequence number always consists of six digits.
// It is the Input Sequence Number (ISN) of the sender's current input session or the Output Sequence Number (OSN) of the receiver's current output session.
// It is automatically generated by the user's computer and padded with zeros.
temp = temp.Substring(4);
SequenceNumber = temp.Substring(0, 6);
if (IsValidSequenceNumber(SequenceNumber) == false)
{
errors.Add("BLOCK 1: Invalid INPUT SEQUENCE NUMBER : " + SequenceNumber);
valid = false;
}
// Check END OF BLOCK INDICATOR = {
// This is a mandatory field.
// The character } indicates the end of a block.
temp = temp.Substring(6);
if (temp[0] != '}')
{
errors.Add("BLOCK 1: Message missing START OF BLOCK INDICATOR ({)");
valid = false;
}
return(valid);
}
