From 2d4d778ffd14419c80fbb5626c24eafc789ff2f1 Mon Sep 17 00:00:00 2001
From: JP Aumasson <jeanphilippe.aumasson@gmail.com>
Date: Sun, 23 Mar 2014 14:01:33 +0100
Subject: [PATCH] usage instructions

---
 README.md | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 482d0a3..6912c80 100644
--- a/README.md
+++ b/README.md
@@ -22,8 +22,20 @@ Running
   $ make
 ```
 
-will compile and run sanity checks (test vectors) for SipHash-2-4, the
-default version of SipHash.
+will build sanity checks (test vectors) for SipHash-2-4, the default
+version of SipHash:
+
+```C
+  ./siphash24_test
+```
+
+verifies 64 test vectors, and
+
+```C
+  ./siphash24_test_debug
+```
+
+does the same and prints intermediate values.
 
 The code can be adapted to implement SipHash-*c*-*d*, the version of SipHash
 with *c* compression rounds and *d* finalization rounds, by tweaking the