Index: src/main.c
--- src/main.c.orig
+++ src/main.c
@@ -104,6 +104,17 @@
 
 // ---------------------------------------------------------------------------
 
+// Crypto
+unsigned char mykey[20],chksum[20],chksumasc[41];
+unsigned char tempBN[128];
+unsigned char myXhex[262];
+int use_crypt;
+
+// Diffie-Hellman vars
+Bignum myE;
+Bignum peerE;
+Bignum ourK;
+
 // for now only register when idle
 #if 1
 # define REGISTRATION_UPDATE_OFFHOOK(a) // nothing
