Governments cannot require individuals, they cannot require the public as a body, and they cannot require corporations to make investigation and law enforcement easy for them in a liberal society.

I talk to cryptographers, some of the leading technologists in the world, all the time about how we can deal with these issues. It is not possible to create a back door that is only accessible, for example, to the FBI.

The immoral cannot be made moral through the use of secret law.

In the United States, there hasn't been much legislative change on the surveillance issue, although there are some tepid proposals.

[Bill] Binney designed ThinThread, an NSA program that used encryption to try to make mass surveillance less objectionable. It would still have been unlawful and unconstitutional.

When the police officers knock on your door with a warrant, they don't expect you to give them a tour. It's supposed to be an adversarial process so that it's used in these extraordinary powers are applied only when there's no alternative. Only when they're absolutely necessary, and only when they're proportionate to the threat faced by these individuals.

Imagine, if you will, you're sitting at my desk in Hawaii. You have access to the entire world, as far as you can see it. Last several days, content of internet communications. Every email that's sent. Every website that's visited by every individual. Every text message that somebody sends on their phone. Every phone call they make.