I am trying to connect to a SFTP server for a client of ours and send files in an automated process using MS Windows. The details I have received from the client do not include the password. I instead have the public-private key pair using PuTTY.

The typical connection string used is as follows

open sftp://username:password.SFTPURL:port -hostkey="ssh-dss 1024 XXXXXXX"

I do not however understand how to specify the private key in this connection, instead of the password. How do I tell the script where the private key lies and is there a particular key word to use when connecting using public key?

I am new at this so please bear with me.

Thanks!

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Is the SFTP client tool given, or can you use one of your choice? Because if you have the liberty to choose, then I would recommend trying out Syncplify.me FTP Script!, which allows you to write scripts like this, using passwordless public-key authentication:

varCli: TSFTPClient;beginCli :=TSFTPClient.Create;tryCli.ServerAddr :='your.remote.host';Cli.Username :='username';Cli.AddPK('c:\user_key.rsa');if Cli.Open thenbegin// Add your code here.http:// ... Cli.Close;end;finallyCli.Free;end;end.
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