On: “How do I choose not to share my account informati...

[ge0rg]

Signal uses a home-brewed crypto protocol(^) and their CTO disallows third party clients, even based on their own open source code.

Just use XMPP.

(^) Granted, moxie can be considered a crypto expert, and the design got some public auditing.

[dsacco → ge0rg]

The Axolotl key management algorithm was jointly developed by Moxie and Trevor Perrin. Both of them are widely respected in cryptography, and the protocol has undergone formal cryptanalysis.

A novel crypto algorithm someone puts up on GitHub is "home-brewed." The Axolotl algorithm can no longer fairly be described as "home-brewed."

[mahyarm → ge0rg]

You can go start, pay for and manage your own server set and go hog wild writing whatever client you want to.