Everything you need to know about cryptography in 1 hour Colin Percival Tarsnap cperciva@tarsnap.com May 13, 2010 Colin Percival Tarsnap cperciva@tarsnap.com Everything you need to know about cryptography in 1 hour Why cryptography in 1 hour? Lots of people get cryptography wrong: Google Keyczar (timing side channel). ← Stupidity SSL (session renegotiation). ← Stupidity Amazon AWS signature method