Hi I am on Ubuntu 16.04 running
gpgsm (GnuPG) 2.1.11 libgcrypt 1.6.5 libksba 1.3.3-unknown I am also a die hard user of emacs and use it for encrypting and decrypting my mails. I received a smime message from a colleague (with his public key embedded of course). When I tried to send him a smime encrypted and signed message I obtained the lisp error: Debugger entered--Lisp error: (epg-error "Encrypt failed" "Unusable public key: 53A51054BB68F7C3") I suspect that the key was signed from an authority whose root certificate I don't posses. For example using thunderbird and opening his signed message, I see I also tried to run gpgsm -e -r aro...@ucm.es epg-bug.txt But I receive gpgsm: enabled debug flags: ipc gpgsm: can't encrypt to 'aro...@ucm.es': Ambiguous name secmem usage: 0/16384 bytes in 0 blocks I am not sure whether this connected, but I do have old certificates of this user. Any help would be strongly appreciated. Regards Uwe Brauer
smime.p7s
Description: S/MIME cryptographic signature
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