SignUserId Method
Signs the specified user Id of the current key.
Syntax
procedure SignUserId(UserId: String; IssuerUserId: String);Remarks
This method signs the UserId with the IssuerUserId.
To sign all user Ids in the current key set the UserId parameter to "*".
The key's passphrase is required for this operation and may be specified via KeyPassphrase or through the KeyPassphrase event.