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Diffstat (limited to 'src/vpn/gnunet-vpn-checksum.c')
-rw-r--r--src/vpn/gnunet-vpn-checksum.c57
1 files changed, 0 insertions, 57 deletions
diff --git a/src/vpn/gnunet-vpn-checksum.c b/src/vpn/gnunet-vpn-checksum.c
deleted file mode 100644
index 0e0e24cdc..000000000
--- a/src/vpn/gnunet-vpn-checksum.c
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- This file is part of GNUnet.
- (C) 2010 Christian Grothoff
-
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
-
- GNUnet is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-/**
- * @file vpn/gnunet-vpn-checksum.c
- * @brief
- * @author Philipp Toelke
- */
-
-#include "gnunet-vpn-checksum.h"
-
-uint32_t
-calculate_checksum_update (uint32_t sum, uint16_t * hdr, short len)
-{
- for (; len >= 2; len -= 2)
- sum += *(hdr++);
- if (len == 1)
- sum += *((unsigned char *) hdr);
- return sum;
-}
-
-uint16_t
-calculate_checksum_end (uint32_t sum)
-{
- while (sum >> 16)
- sum = (sum >> 16) + (sum & 0xFFFF);
-
- return ~sum;
-}
-
-/**
- * Calculate the checksum of an IPv4-Header
- */
-uint16_t
-calculate_ip_checksum (uint16_t * hdr, short len)
-{
- uint32_t sum = calculate_checksum_update (0, hdr, len);
-
- return calculate_checksum_end (sum);
-}