Safran SecureSync 2400 User Manual page 111

It is advisable to keep your private key secret within your workstation or network
user account, and provide the SecureSync a copy of your public key. The modes
of authentication supported include:
SSH using public/private key authentication is the most secure authenticating
method for SSH, SCP or SFTP sessions.
You are required to create private and public key pairs on your workstation or
within a private area in your network account. These keys may be RSA or DSA
and may be any key bit length as supported by the SSH client tool. These public
keys are stored in a file in the .ssh directory named authorized_keys. The file is
to be formatted such that the key is followed by the optional comment with only
one key per line.
Changing Key Length Values
You may change the key length of the RSA, DSA, ECDSA, and ED25519 type host
keys.
To change the key length of a host key:
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2 SecureSync 2400 User Manual Rev. 5.2
Either Public Key with Passphrase or Login Account Password
Login Account Password only
Public Key with Passphrase only
Note: The file format, line terminations, and other EOL or EOF char-
acters should correspond to UNIX conventions, not Windows.
1. Navigate to MANAGEMENT > NETWORK: SSH
dow will open to the
2. Select the Key Length
Key sizes that are powers of 2 or divisible by 2 are recommended. The most
popular sizes are 768, 1024, and 2048. Large key sizes of up to 4096 are
supported, but may take 10 minutes or more to generate. DSA keys size
support is limited to 1024 bits. The key type ED25519 supports 256 bits.
3. Check the Regenerate All Keys
4. Click Submit. The new values will be saved.
Host Keys tab by default.
value for the key type you want to change.
box.
2.14 Configure Network Settings
Setup. The SSH Setup win-
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