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Using ssh with public keys to the Digi CM and Digi Passport.

SSH clients tested.

    Linux via OpenSSH:
        From Linux (client):
        adduser joe
        su joe
        ssh-keygen -t dsa
        This creates file $HOME/.ssh/id_dsa.pub
        On the Digi CM/Passport:
        Via the WEB UI under System Administration-Users Admin
        Add user joe
        Enable SSHv2
        Browse and upload $HOME/.ssh/id_dsa.pub

    On Linux, once logged in as joe run ssh -l joe -p 7002 10.1.1.1

    PuTTY windows client:
        Generate the key in PuTTYgen.
        Cut & Paste the Public key to "notepad" as displayed in the PuTTYgen window
        (do not use the "save" key in PuTTY Gen). Now save it as a "notepad" text file.
        Save the private key via the "save" button in PuTTYgen.
        Upload the Public Key to the CM/Passport.

    SecureCRT windows client:
        Generate the keys and save.
        Copy the Public key to "notepad" and add "ssh-dss" and a space right before the keys.
        Also, take out all line breaks so it is one long key.
        Upload the Public Key to CM/Passport.

    F-Secure windows client:
        Edit the profile and under Settings, change Authentication to use "Public Keys".
        Load the Profile AND then Generate the keys (generated under settings-user keys).
        In windows, the keys are saved in C:\Documents and Settings\ronk\Application Data\F-Secure SSH\UserKeys.
        Keep the original key pair on the client.
        Modify the original Public Key, adding "ssh-dss" (or ssh-rsa) and a space at the very beginning of the key (the key
        usually starts with AAA). Remove all line breaks within the key itself (do not remove breaks within the header).
        Save this as a different file name. Example of a modified DSA public key:

        ---- BEGIN SSH2 PUBLIC KEY ----
        Comment: "[1024-bit dsa, ronk@RONK3, Mon Sep 29 2003 18:59:32] [1024-bit dsa, ronk@RONK3, Mon Sep 29 2003 18:59:44]"
        ssh-dss AAAAB3NzaC1kc3MAAACBAL/KJbL5+L4ZDHSuYpHaAd/7CzKw4j920P5RvvSXhz/pT7Cu5K3EnHaVTVwwd
        THh4QEhlQtnpVe3mPBCcOzeOO6O0DsDxcBafFrwwARO4cBVPiunU/2E+N/MbfDEJBWgR4U66Sm2E4mnsdFfxEsGB2kf
        KYFBu5SGUNzRXeFQk+DBAAAAFQDX03VvVoBgG+YCxfeM6WR5x1NfEwAAAIEAudCggU44gmyzh3z8DJP3cHA0C
        suE475hdBBMbSmIqiXhvArfIDpCE23XlaHljIrrlAj/LnXeKOaEbzQp4Sv0H59RxbFZHQm4ugyd2YGHosGS1KaRvum5UGA
        1KL7npOV8Beq+6OU4AVQKIsctaIJKUdrvsf5PyC6zhoZE2W0oET4AAACAPBVKGdsXkxtZ/5JunmJpzHcVURD7Bchtrs2
        CZsMXG2hdnQTON9L4MVSFFKztuzp/J0ERJpwWitaVXpBphm9iFxgxTrUSBcRZaC2HuUL0jvEw315FMILawpDP0wGAh
        zCX/9iBIHprK+eC+a5Qm92g/cXhQ/s6OqHo4tPLGahC+Hs=
        ---- END SSH2 PUBLIC KEY ----

        Upload the modified Public Key to the Digi CM/Passport.
Last updated: Aug 08, 2017

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