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Import
Import a host key by opening the Open dialog box. The imported host key is saved in the host key database. Files Imports are limited to keys saved in the SECSH public key format can be imported.
Export
Export a selected host key by opening the Save dialog box. The exported Exported keys are saved in the SECSH public key format and can be used in other programs.
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View
Open a selected host key with Notepad.
Edit CA key
You can check the list of Check, add, or delete certificate-authenticated host keys, add or delete them. The . Unless the authenticated host key has had its authentication expire, a change to a server's host information does not require a you to check the new host key information to be checked even if the host information of the server is changed unless the authentication expires.