On 04/23/2017 05:12 PM, Mick wrote: > On Sunday 23 Apr 2017 16:42:12 the...@sys-concept.com wrote: >> I'm looking for a solution to encrypt and attachment to Windows users. >> gpg does not support "sda" Self Decrypting Archives. >> >> Occasionally I have to send an attachment via email and would prefer if >> the file was encrypted. Asking Windows users to use PGP is almost >> impossible. >> Sending them txt.exe and asking the to run it will not go well. > > > What is it you want to encrypt? An email? An attachment? Both? > > For email inc. attachments you can use SSL Certificates with S/MIME. MS > Outlook can handle S/MIME encrypted emails natively and you can get SSL > Certificates from a variety of CAs, some of them free for personal use. You > can always use self-signed certificates, but initially you will have to guide > your recipients to store the self-signed certificates and mark them as > trusted > on their PCs. > > Alternatively, you can install gpg4Win on MS PCs and use that to exchange PGP > encrypted messages and attachments. Your recipients may need some training > to > familiarize themselves with the gpg4Win interface, but it is not that > dissimilar to MS Outlook's S/MIME GUI. > > Thunderbird can deal with both PGP & S/MIME using Enigmail. > > If you only need to encrypt attachments (files/directories) besides the above > solutions (gpg4win will also encrypt/decrypt files separately to emails), you > can use zip/7zip and encrypt with a symmetric key the contents of the > generated archive. You will need of course to share the encryption password > for the zipped archive with your recipients securely off line. > > PS. 7z can create self-extracting archives and I had looked into this in the > past, but I was not able to make it work off the peg in Gentoo. It kept > asking about /usr/lib64/p7zip/7z.sfx which is not installed by default with > 7zip. After some failed attempts I gave up and sought alternatives.
I think mostly they will be sending some pdf files + some images. After sending the encrypted file they will follow with a call to provide "password" this shouldn't be a problem. I'll try 7zip, see if it works already. -- Thelma
