diff options
| author | Martin Kaiser <wireshark@kaiser.cx> | 2016-02-06 13:57:56 +0100 |
|---|---|---|
| committer | Anders Broman <a.broman58@gmail.com> | 2016-02-08 06:01:05 +0000 |
| commit | 40331511ed9c117703c3097f23e3a2f17b17e993 (patch) | |
| tree | 8cf742e5d33f1c747f6476698396871c3d2d7bb6 /epan/crc16-tvb.h | |
| parent | 0fbc8f80dae3fa7f47d121b25655ac86268681b8 (diff) | |
add functions to calculate the CRC of an ISO14443-A message
Change-Id: I1ccd9885746a6044f298d7d531a9bc009a70288e
Reviewed-on: https://code.wireshark.org/review/13802
Petri-Dish: Martin Kaiser <wireshark@kaiser.cx>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Anders Broman <a.broman58@gmail.com>
Diffstat (limited to 'epan/crc16-tvb.h')
| -rw-r--r-- | epan/crc16-tvb.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/epan/crc16-tvb.h b/epan/crc16-tvb.h index c8a699f98a..1a18f1fba3 100644 --- a/epan/crc16-tvb.h +++ b/epan/crc16-tvb.h @@ -77,6 +77,13 @@ WS_DLL_PUBLIC guint16 crc16_ccitt_tvb_seed(tvbuff_t *tvb, guint len, guint16 see WS_DLL_PUBLIC guint16 crc16_ccitt_tvb_offset_seed(tvbuff_t *tvb, guint offset, guint len, guint16 seed); +/** Compute the 16bit CRC_A value of a tv buffer as defined in ISO14443-3. + @param tvb The tv buffer containing the data. + @param offset The offset into the tv buffer. + @param len The number of bytes to include in the computation. + @return The calculated CRC_A. */ +WS_DLL_PUBLIC guint16 crc16_iso14443a_tvb_offset(tvbuff_t *tvb, guint offset, guint len); + /** Compute the "plain" CRC16 checksum of a tv buffer using the following * parameters: * Width = 16 |