What type of algorithm does winscp use

AddRawSettings method when the settings cannot be configured using any dedicated property of SessionOptions class. For both scripting and. See also raw transfer settings and raw configuration. NET assembly using PowerShell :. Documentation » Features » Scripting ». Enabling keepalives has very limited effect in scripting except for keepuptodate command and almost no effect in.

NET assembly. Depending on your security and performance requirements, you may wish to configure WinSCP to prefer the Blowfish algorithm. DES is widely regarded as insecure, as the resources to perform an exhaustive brute-force attack have been well within the realm of commercial feasibility for some time.

SSH supports data stream compression between the client and the server. Large text files may still benefit significantly, while binaries may transfer more slowly.

You may want to experiment to find what works best in your situation. You should normally leave this at the default of 2. As well as having fewer features, the older SSH-1 protocol is no longer developed, has many known cryptographic weaknesses, and is generally not considered to be secure.

If a server offers both versions, prefer 2. If you have some server or piece of equipment that only talks SSH-1, select 1 here, and do not treat the resulting connection as secure. WinSCP will not automatically fall back to the other version of the protocol if the server turns out not to match your selection here; instead, it will put up an error message and abort the connection.

As part of session settings, you can specify or have WinSCP generate an encryption key. WinSCP will then by default seamlessly encrypt all newly uploaded files and their names.

In WinSCP file panel, you will see the original file names and when you download files, you will get original contents. But anyone else, who does not know the key, including a server Administrator, will see only gibberish. This, combined with WinSCP powerful synchronization features , allows you to use your server quota as a safe backup storage for your private data.