On Oct 3, 2011, at 1:49 PM, pet jemen wrote: > Hi, > > I want to sign binary data in OpenPGP Message Format. > I want sign it by two or more keys. > According to http://tools.ietf.org/html/rfc4880#section-5.4 it seems it is > possible. > (A one-octet number holding a flag showing whether the signature is nested. > A zero value indicates that the next packet is another One-Pass Signature > packet that describes another signature to be applied to the same message > data.) > > I'd like to use gpg from command-line to sign an input file by two keys. > I tried to sign it by: > gpg2.exe --quiet --yes --force-v3-sigs -z 0 -u "test1 (test1) > <te...@test1.org>" -o %1.signed --sign %1 > gpg2.exe --quiet --yes --force-v3-sigs -z 0 -u "test2 (test2) > <te...@test2.org>" -o %1.signed2 --sign %1.signed > > But the second signature signed the first one also with the first signature. > I need to sign it in way were I can verify signature of signed data by both > keys (the last octet of One-Pass Signature Packets (Tag 4) packet should be > equal to zero).
Just repeat -u as many times as you need: gpg -u the-first-key -u the-second-key -u the-third-key -u etc --sign thefile David _______________________________________________ Gnupg-users mailing list Gnupg-users@gnupg.org http://lists.gnupg.org/mailman/listinfo/gnupg-users
