This Structure DataType is used to represent the configuration of a SecurityGroup in a PubSub configuration of an OPC UA Application. The SecurityGroupDataType is formally defined in Table 88.
Table 88 – SecurityGroupDataType structure
|
Name |
Type |
Description |
|
SecurityGroupDataType |
Structure |
|
|
Name |
String |
Name of the SecurityGroup. |
|
SecurityGroupFolder |
String[] |
Optional path of the SecurityGroupFolders used to group SecurityGroups where each entry in the String array represents one level in a folder hierarchy. If no grouping is needed the parameter is a null or empty String array. |
|
KeyLifetime |
Duration |
The lifetime of a key in milliseconds. If the last available key expires and the Publisher does not receive a new key in two times the KeyLifetime it shall go into Error state and shall stop sending messages secured with the expired key. If a Subscriber receives messages for a key longer than two times the KeyLifetime it shall stop processing messages with the expired key. |
|
SecurityPolicyUri |
String |
The SecurityPolicy used for the SecurityGroup. |
|
MaxFutureKeyCount |
UInt32 |
The maximum number of future keys returned by the Method GetSecurityKeys. |
|
MaxPastKeyCount |
UInt32 |
The maximum number of historical keys stored by the SKS. |
|
SecurityGroupId |
String |
The identifier for the SecurityGroup. The SecurityGroupId shall match the Name field. |
|
RolePermissions |
RolePermissionType[] |
The permissions that apply to the security key access through GetSecurityKeys for the SecurityGroup. |
|
GroupProperties |
KeyValuePair[] |
Specifies additional properties for the security group. |
Its representation in the AddressSpace is defined in Table 89.
Table 89 – SecurityGroupDataType definition
|
Attributes |
Value |
|
BrowseName |
SecurityGroupDataType |
|
IsAbstract |
False |
|
Subtype of Structure defined in OPC 10000-5. |
|
|
Conformance Units |
|
|
PubSub Parameters Configuration2 |
|