OPC Studio User's Guide and Reference
MaximumPastKeyCount Property (SecurityGroupElement)



OpcLabs.BaseLib Assembly > OpcLabs.BaseLib.Security.KeyManagement.Configuration Namespace > SecurityGroupElement Class : MaximumPastKeyCount Property
The maximum number of historical keys stored by the SKS.
Syntax
'Declaration
 
<ValueRangeAttribute(0, 4294967295)>
Public Property MaximumPastKeyCount As Long
'Usage
 
Dim instance As SecurityGroupElement
Dim value As Long
 
instance.MaximumPastKeyCount = value
 
value = instance.MaximumPastKeyCount
[ValueRange(0, 4294967295)]
public long MaximumPastKeyCount {get; set;}
[ValueRange(0, 4294967295)]
public:
property int64 MaximumPastKeyCount {
   int64 get();
   void set (    int64 value);
}

Property Value

Valid values of this property are in the range from 0 to 4294967295.

The default value of this property is 0.

Remarks

In OPC UA SecurityGroupType, this corresponds to the MaxPastKeyCount property.

"The Property MaxPastKeyCount defines the maximum number of historical keys stored by the SKS. The historical keys are necessary to allow Subscribers to request keys for older NetworkMessages."

Requirements

Target Platforms: .NET Framework: Windows 10 (selected versions), Windows 11 (selected versions), Windows Server 2016, Windows Server 2022; .NET: Linux, macOS, Microsoft Windows

See Also