--- linux-mm/drivers/net/Kconfig.old	2005-05-16 14:15:29.000000000 +0200
+++ linux-mm/drivers/net/Kconfig	2005-05-16 14:24:44.000000000 +0200
@@ -2431,6 +2431,9 @@ config PPP_BSDCOMP
 config PPP_MPPE
        tristate "PPP MPPE compression (encryption) (EXPERIMENTAL)"
        depends on PPP && EXPERIMENTAL
+       select CRYPTO
+       select CRYPTO_SHA1
+       select CRYPTO_ARC4
        ---help---
          Support for the MPPE Encryption protocol, as employed by the
 	 Microsoft Point-to-Point Tunneling Protocol.