1 files changed, 11 insertions, 0 deletions
diff --git a/epan/crc32-tvb.c b/epan/crc32-tvb.c
index 40c41715d9..74b5abbb38 100644
--- a/epan/crc32-tvb.c
+++ b/epan/crc32-tvb.c
@@ -131,3 +131,14 @@ crc32_mpeg2_tvb_seed(tvbuff_t *tvb, guint len, guint32 seed)
 {
     return ( crc32_mpeg2_tvb_offset_seed(tvb, 0, len, seed) );
 }
+
+guint32 crc32_0x0AA725CF_tvb_offset_seed(tvbuff_t *tvb,
+                                            guint offset, guint len, guint32 seed)
+{
+    const guint8 *buf;
+
+    tvb_ensure_bytes_exist(tvb, offset, len);  /* len == -1 not allowed */
+    buf = tvb_get_ptr(tvb, offset, len);
+
+    return crc32_0x0AA725CF_seed(buf, len, seed);
+}