On Fri, Aug 21, 2020 at 02:42:23PM -0400, Matthew Graybosch wrote: > On Fri, 21 Aug 2020 19:46:13 +0200 (CEST) > local10 <local10@tutanota.com> wrote: > > > Hi, > > > > What would be a reasonably secure and simple way to encrypt files on > > Linux and then send them to a non-technical Windows user so she > > would be able decrypt and read them? > > The "zip" command has an "--encrypt" option. As long as your recipient > has WinZip (paid or trialware), you should be able to do the following: If you are somewhat serious about security, you better don't use this: "ZIP supports a simple password-based symmetric encryption system generally known as ZipCrypto. It is documented in the ZIP specification, and known to be seriously flawed." [1] 7z is reportedly better (and it does compress better, too). But I concur with the others: GnuPG is the gold standard here. Cheers [1] https://en.wikipedia.org/wiki/ZIP_(file_format)#Encryption - t
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