adicione isso a .emacs:
;; Do not use gpg agent when runing in terminal
(defadvice epg--start (around advice-epg-disable-agent activate)
(let ((agent (getenv "GPG_AGENT_INFO")))
(setenv "GPG_AGENT_INFO" nil)
ad-do-it
(setenv "GPG_AGENT_INFO" agent)))
fonte: link