Finally, there is a line saying "Private-MAC: " plus a hex representation of a HMAC-SHA-1 of: string name of algorithm ("ssh-dss", "ssh-rsa") string encryption
type string comment string public-blob string private-plaintext (the plaintext version of the private part, including the final padding) The key to the MAC is
itself a SHA-1 hash of: data "putty-private-key-file-mac-key" data passphrase (An empty passphrase is used for unencrypted keys.)
.NET: net5.0, net5.0-windows, net6.0, net6.0-macos, net6.0-windows, net7.0, net7.0-macos, net7.0-windows, net8.0, net8.0-browser, net8.0-macos, net8.0-windows, net9.0, net9.0-browser, net9.0-macos, net9.0-windows, net10.0, net10.0-browser, net10.0-macos, net10.0-windows.
.NET Standard: netstandard2.0, netstandard2.1
.NET Framework: net20, net35, net40, net403, net45, net451, net452, net46, net461, net462, net463, net47, net471, net472, net48, net481.