How To: Tectia SSH.com Public Key Authentication with Titan SFTP

Question

How to connect SSH.com’s Tectia client using Public Key authentication

Pre-requisites

Linux, Titan SFTP, Tectia 

Steps

Download and install Tectia SSH.com from https://www.ssh.com/

I. Generating Keypair in Linux for ssh.com (scpg3)

#ssh-keygen-g3 -t rsa -b 2048

Generating 2048-bit rsa key pair
   8 .oOoo.oOo.oO
Key generated.
2048-bit rsa, root@titanmft, Fri Apr 04 2025 16:54:30
Passphrase :
Again      :
Private key saved to /root/.ssh2/id_rsa_2048_c
Public key saved to /root/.ssh2/id_rsa_2048_c.pub

 

II. Convert generated keypair to OpenSSH format

ssh-keygen-g3 -p Naza1278 --key-format openssh2-aes --import-private-key id_rsa_2048_c id_rsa_2048_c2

ssh-keygen-g3 --key-format openssh2 --import-public-key id_rsa_2048_c.pub id_rsa_2048_c2.pub

 

III. Copy converted public keys to Windows to Upload it to Titan

The generated keypairs are located in user's home directory under .ssh2

 

IV. Upload public key in Titan

Goto Users (select user you want to use) -> Edit Users Services -> SSH/SFTP -> Click Manage HosT Keys

V. Click Import -> Put Name in New Key Name -> Select Import from Multiple files, .pub -> Click Browse and look for the Public Key and click Add

VI. Public Key is now added - > Click Close

 

VII. Assign Public Key to user -> Click Save

VIII. Now, go to Linux and test the transfer

# scpg3 -v random_seed npalad@192.168.100.109:/

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