I want to share a document securely
If you want to share a document with a friend or two, without anyone else being able to access this document, several options are available. You can send your document as an encrypted email attachment, as described in I want to learn about encrypting email or use a stand-alone GPG4USB to encrypt one or more individual files. In either case, both parties need to have set up and exchanged their keys in advance – to decrypt the message they have received.
You can also use an encrypted messaging service or do a file transfer if both parties have set up a secure chat session.
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