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-rw-r--r--sys/netgraph/ng_mppc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/netgraph/ng_mppc.c b/sys/netgraph/ng_mppc.c
index 9637df8..6d20796 100644
--- a/sys/netgraph/ng_mppc.c
+++ b/sys/netgraph/ng_mppc.c
@@ -170,6 +170,11 @@ static struct ng_type ng_mppc_typestruct = {
};
NETGRAPH_INIT(mppc, &ng_mppc_typestruct);
+#ifdef NETGRAPH_MPPC_ENCRYPTION
+/* Depend on separate rc4 module */
+MODULE_DEPEND(ng_mppc, rc4, 1, 1, 1);
+#endif
+
/* Fixed bit pattern to weaken keysize down to 40 or 56 bits */
static const u_char ng_mppe_weakenkey[3] = { 0xd1, 0x26, 0x9e };
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