(require 'epa-setup)
-Then you can do some cryptographic operations on dired.
+Then you can browse your keyring by M-x epa-list-keys. In addition,
+you can do some cryptographic operations on dired.
M-x dired
(mark some files)
** `(fillarray string 0)' is not enough to clear passphrases
-If Emacs crashed and dumps core, passphrase strings in memory are also
+If Emacs crashes and dumps core, passphrase strings in memory are also
dumped within the core file. `read-passwd' function clears passphrase
strings by `(fillarray string 0)'. However, Emacs performs compaction
in gc_sweep phase. If GC happens before `fillarray', passphrase
strings may be moved elsewhere in memory.
Fortunately, there is gpg-agent to cache passphrases in more secure
-way, so the EasyPG Library dares *not* to cache passphrase by itself.
-Elisp programs can set `epg-context-passphrase-callback' to cache
-user's passphrases.
+way, so the EasyPG Library dares to disable passphrase caching. Elisp
+programs can set `epg-context-passphrase-callback' to cache user's
+passphrases.