Backdooring an ‘Encrypted’ Application

Persuant to my last post on cryptography and pixie dust, it’s helpful to read through Matt Green’s highly accessible article “How to ‘backdoor’ an encryption app.” You’ll find that companies have a host of ways of enabling third-party surveillance, ranging from overt deception to having access to communications metadata to compromising their product’s security if required by authorities. In effect, there are lots of ways that data custodians can undermine their promises to consumers, and it’s pretty rare that the public ever learns that the method(s) used to secure their communications have either been broken or are generally ineffective.

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