From a1cdc619bb50c5348b12b5e1825f0865b2b50439 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Wed, 7 May 2014 01:03:14 -0400
Subject: [PATCH] Mention siphash in src/ext/README

---
 src/ext/README | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ext/README b/src/ext/README
index 58ba7f699d..5d5a6e1518 100644
--- a/src/ext/README
+++ b/src/ext/README
@@ -42,3 +42,10 @@ curve25519_donna/*.c
 
     A copy of Adam Langley's curve25519-donna mostly-portable
     implementations of curve25519.
+
+csiphash.c
+siphash.h
+
+    Marek Majkowski's implementation of siphash 2-4, a secure keyed
+    hash algorithm to avoid collision-based DoS attacks against hash
+    tables.
-- 
2.47.3