epa-select-keys

epa-select-keys is an autoloaded compiled Lisp function in `epa.el'.

(epa-select-keys CONTEXT PROMPT &optional NAMES SECRET)

Display a user's keyring and ask him to select keys.
CONTEXT is an epg-context.
PROMPT is a string to prompt with.
NAMES is a list of strings to be matched with keys. If it is nil, all
the keys are listed.
If SECRET is non-nil, list secret keys instead of public keys.