mm-decrypt-function-alist

mm-decrypt-function-alist is a variable defined in `mm-decode.el'.
Its value is

(("application/pgp-encrypted" mml2015-decrypt "PGP" mml2015-decrypt-test)
 ("application/x-gnus-pgp-encrypted" mm-uu-pgp-encrypted-extract-1 "PGP" mm-uu-pgp-encrypted-test))

Documentation:
Not documented as a variable.