diff --git a/Bibliography.md b/Bibliography.md
index 248e759..3e1f37f 100644
--- a/Bibliography.md
+++ b/Bibliography.md
@@ -13,7 +13,10 @@ Here are some papers that are potentially of interest.
 
 [Measurement and Analysis of TCP Throughput Collapse in Cluster-based Storage Systems](http://www.cs.cmu.edu/~dga/papers/incast-fast2008-abstract.html) -- Hm...  Could this happen to us?
 
+## Crypto
+
 [Salsa20 Design](http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.59.9522) a fast and secure cipher
+[Salsa20 Security Arguments](http://cr.yp.to/snuffle.html#security) why Salsa20 is probably safe against this and that threat
 
 ## See Also