@@ -285,16 +285,16 @@
 	}
         
         return(h);
 }
 
-static int cvfs_decrypt(unsigned char *out, const unsigned char *in, unsigned long in_out_length, struct cvfs_key *key) {
+static int cvfs_decrypt(unsigned char *out, const unsigned char *in, unsigned long offset, unsigned long in_out_length, struct cvfs_key *key) {
 	unsigned long i;
 	unsigned char in_ch, out_ch;
 	int ch_idx;
 
-	for (i = 0; i < in_out_length; i++) {
+	for (i = offset; i < in_out_length; i++) {
 		in_ch = in[i];
 
 		ch_idx = (in_ch + (i / key->typedata.rotate_subst.rotate_length)) % 256;
 
 		out_ch = key->typedata.rotate_subst.subst[ch_idx];
@@ -512,11 +512,11 @@
 	puts "\tstatic struct cvfs_key key = { [string map [list "\n" " "] [encrypt_key_export $obsfucation_key "c"]] };"
 	puts "\tunsigned char *new_data, *old_data;"
 	puts "\tint decrypt_ret, free_old_data;"
 	puts ""
 	puts "\tnew_data = (void *) Tcl_Alloc(finfo->size);"
-	puts "\tdecrypt_ret = cvfs_decrypt(new_data, finfo->data, finfo->size, &key);"
+	puts "\tdecrypt_ret = cvfs_decrypt(new_data, finfo->data, 0, finfo->size, &key);"
 	puts "\tif (decrypt_ret != 0) {"
 	puts "\t\tTcl_Free((void *) new_data);"
 	puts ""
 	puts "\t\treturn;"
 	puts "\t}"