Ruby

SFTP Authentication using an SSH Certificate

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Demonstrates how to SFTP authenticate using an SSH certificate. Ruby

require 'chilkat'

success = false

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

sbSshCert = Chilkat::CkStringBuilder.new()
success = sbSshCert.LoadFile("qa_data/sshCert/user_ecdsa_key-cert.pub","utf-8")
if (success == false)
    print "Failed to load user_ecdsa_key-cert.pub" + "\n";
    exit
end

sbPrivKey = Chilkat::CkStringBuilder.new()
success = sbPrivKey.LoadFile("qa_data/sshKeys/user_ecdsa_key","utf-8")
if (success == false)
    print "Failed to load user_ecdsa_key" + "\n";
    exit
end

key = Chilkat::CkSshKey.new()
# Provide the password if the user_ecdsa_key is stored in an encrypted format.
key.put_Password("secret")
success = key.FromOpenSshPrivateKey(sbPrivKey.getAsString())
if (success == false)
    print key.lastErrorText() + "\n";
    exit
end

# Indicate that the SSH certificate is to be used for authentication.
# The UseSshCertificate method was added in Chilkat v11.0.0
key.UseSshCertificate(sbSshCert.getAsString())

sftp = Chilkat::CkSFtp.new()

hostname = "sftp.example.com"
port = 22
success = sftp.Connect(hostname,port)
if (success != true)
    print sftp.lastErrorText() + "\n";
    exit
end

success = sftp.AuthenticatePk("myLogin",key)
if (success != true)
    print sftp.lastErrorText() + "\n";
    exit
end

print "Public-Key Authentication using an SSH Certificate was Successful!" + "\n";