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Key pairs used for user public-key authentication can be managed using the Keys page of the Settings dialog.
Before you can use public-key authentication, you must generate a key pair for yourself. Then you must upload your public key to your home directory on the remote host computer. You also have to modify your authorization file to allow connecting with the new key. For more information, see Section Generating Keys.
Note: Your private keys should always be kept secret. This is important to remember if you are sharing your local computer with other users. In such a case, it is not advisable to store your private keys on the local disk, or a directory that will be replicated over a network (as when using the Windows roaming profiles functionality).
The private key file list (located above the buttons on the Keys page) shows the files used to store your private keys. The public keys are not displayed, as they have the same file names as the private keys, but with .pub as the file extension.
Private Key File Name
The Private Key File Name column displays the file names of your private keys.
The Comment column displays the comments (if any) associated with your private keys.
Below the private key list there are several buttons that can be used to administer your key files:
Click the Generate New... button to create a new public and private user key pair. This will bring up the Key Generation wizard. For more information on this procedure, see section Key Generation Wizard.)
Click Import... to import a keypair. The Import Keypair - Select Files dialog will open, allowing you to locate the keypair to be imported.
Select a key file from the private key file list and click Delete to delete the key file from your local computer.
Select a private key file from the private key file list and click Change Passphrase... to change the passphrase for the key.
Select a key file from the private key file list and click Export... to export the key pair. A Select Folder dialog will open, allowing you to specify the target location.
Clicking Upload... while connected to a remote server will automatically upload the selected public key. For more information on this procedure, see Section Uploading Your Public Key.
Select a previously generated private key file from the private key file list and click View... to display the corresponding public key. The public key file will be displayed in Notepad.
Click the button to write to the identification file that is used by the command-line tool ssh2.exe to specify which keys can be used for authentication. All the keys listed in the private key list will be included in the identification file. If you want to disable some keys, you can manually delete them from the identication file.
The identification file will be placed in the user settings folder. The actual directory is displayed on the Profile Settings page of the Settings dialog. See Defining Profile Settings.
If a previous version of the identification file already exists, it will be overwritten. A confirmation dialog will be displayed asking you to verify that you want to do this.
For more information on the ssh2.exe command-line version of the client, see Appendix SSH2.