Re: Show that an encrypted message was signed, without decrypting it

2020-10-14 Thread Helmut Waitzmann Anti-Spam-Ticket . b . qc3c
Stefan Claas : Helmut Waitzmann Anti-Spam-Ticket.b.qc3c wrote: Stefan Claas : [The ability to check that an encrypted message has been signed.]  It would allow Alice (in her organization), or others, to do a pre-check, with procmail etc., to set-up an auto-responder, informing Bob that h

Re: Show that an encrypted message was signed, without decrypting it

2020-10-11 Thread Helmut Waitzmann Anti-Spam-Ticket . b . qc3c
Stefan Claas : I was reading old GnuPG threads were people were asking if it's possible to extract a signature from an encrypted message. I would like to ask, I don't know if this is already possible or if it's planned, if Alice would request from Bob that he always signs his messages and Bo