2001-07-29 Simon Josefsson <jas@extundo.com>

2001-07-29  Simon Josefsson  <jas@extundo.com>

	Support S/MIME decryption.

	* mm-decode.el (mm-inline-media-tests):
	(mm-inlined-types):
	(mm-automatic-display):
	(mm-attachment-override-types): Add application/{x-,}pkcs7-mime.

	* mm-view.el (mm-pkcs7-signed-magic):
	(mm-pkcs7-enveloped-magic): New variables.
	(mm-view-pkcs7-get-type): New function; identify PKCS#7 type.
	(mm-view-pkcs7): New function; mm viewer for PKCS#7 blobs.
	(mm-view-pkcs7-decrypt): New function; mm viewer for encrypted
	PKCS#7 blobs.

	* smime.el (smime-decrypt-region): Expand keyfile.