> Nor are we necessarily talking about the customized encryption used by large business enterprises to protect their operations. We are talking about consumer p

> Nor are we necessarily talking about the customized encryption used by large business enterprises to protect their operations. We are talking about consumer products and services such as messaging, smart phones, email, and voice and data applications. Do "large business enterprises" use exclusively "customized encryption", or do they use the same encryption "consumer products" use? In my experience, it's the later. The biggest example is TLS: for instance, every business which uses Microsoft Office 365 relies on the same TLS used by "consumer products". The same applies to full disk encryption (BitLocker and/or LUKS), smart phones (large business do use smart phones, and they are the same smart phones everyone else uses), email, and so on. As a personal example, the software we develop at work is used by "large business enterprises". When we added encryption to it, we didn't use "customized encryption"; we used standard TLS.