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| author | Peter Wu <peter@lekensteyn.nl> | 2017-01-27 22:30:34 +0100 |
|---|---|---|
| committer | Peter Wu <peter@lekensteyn.nl> | 2017-01-28 14:32:09 +0100 |
| commit | ec9ce3fdad014274ce00de1768f9e11395a77e37 (patch) | |
| tree | 9c5dd1a5e2c80fa542404594561a17ff3f1a4446 /wsutil/pint.h | |
| parent | 0d57fe2fe4941acf69d1b5af9b61cc0b10248aa3 (diff) | |
| download | wireshark-ec9ce3fdad014274ce00de1768f9e11395a77e37.tar.gz | |
(D)TLS: fix type of record sequence numberTLS13
The record sequence number is 64-bit, not 32-bit. This applies to all
SSLv3/TLS/DTLS versions. Without this fix, after about four million
records, the wrong MAC is calculated (for TLS 1.2) or decryption will
fail (for TLS 1.3).
Change-Id: I05e5e8bc4229ac443a1b06c5fe984fb885eab1ca
Diffstat (limited to 'wsutil/pint.h')
| -rw-r--r-- | wsutil/pint.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/wsutil/pint.h b/wsutil/pint.h index 02012537ee..ecea5fc94a 100644 --- a/wsutil/pint.h +++ b/wsutil/pint.h @@ -137,6 +137,17 @@ ((guint8*)(p))[3] = (guint8)((v) >> 0); \ } +static inline void phton64(guint8 *p, guint64 v) { + p[0] = (guint8)(v >> 56); + p[1] = (guint8)(v >> 48); + p[2] = (guint8)(v >> 40); + p[3] = (guint8)(v >> 32); + p[4] = (guint8)(v >> 24); + p[5] = (guint8)(v >> 16); + p[6] = (guint8)(v >> 8); + p[7] = (guint8)(v >> 0); +} + /* Subtract two guint32s with respect to wraparound */ #define guint32_wraparound_diff(higher, lower) ((higher>lower)?(higher-lower):(higher+0xffffffff-lower+1)) |