david wong

Hey! I'm David, a security engineer at the Blockchain team of Facebook, previously a security consultant for the Cryptography Services of NCC Group. This is my blog about cryptography and security and other related topics that I find interesting.

The Noise Protocol Framework posted April 2016

WhatsApp just announced their integration of the Signal protocol (formerly known as the Axolotl protocol). An interesting aspect of it is the use of a TLS-like protocol called Noise Pipes. A protocol based on the Noise protocol framework, a one-man work led by Trevor Perrin with only a few implementations and a moderately long specificiations available here. I thought it would be interesting to understand how protocols are made from this framework, and to condense it in a 25 minutes video. Here it is.

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