encryption   39977

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Encryption Workarounds by Orin S. Kerr, Bruce Schneier :: SSRN
The widespread use of encryption has triggered a new step in many criminal investigations: The encryption workaround. We define an encryption workaround as any lawful government effort to reveal unencrypted plaintext of a target’s data that has been concealed by encryption. This Article provides an overview of encryption workarounds. It begins with a taxonomy of the different ways investigators might try to bypass encryption schemes. We classify six kinds of workarounds: find the key, guess the key, compel the key, exploit a flaw in the encryption software, access plaintext while the device is in use, and locate another plaintext copy. For each approach, we consider the practical, technological, and legal hurdles raised by its use.

The remainder of this Article develops lessons about encryption workarounds and the broader public debate about encryption in criminal investigations. First, encryption workarounds are inherently probabilistic. None work every time, and none can be categorically ruled out every time. Second, the different resources required for different workarounds will have significant distributional effects on law enforcement. Some techniques are inexpensive and can be used often by many law enforcement agencies; some are sophisticated or expensive and likely to be used rarely and only by a few. Third, the scope of legal authority to compel third-party assistance will be a continuing challenge. And fourth, the law governing encryption workarounds remains uncertain and underdeveloped. Whether encryption will be a game changer or a speed bump depends on both technological change and the resolution of important legal questions that currently remain unanswered.
encryption  cryptography 
16 hours ago by Chirael
Open Quantum Safe
Open-source software for prototyping quantum-resistant cryptography
a way to jimmy quantum computing proof crypto into openssl, in case you'd ever want such a weird thing.
post-quatum  OpenSSL  encryption  PQE  programming  algorithm  library 
21 hours ago by pjjw
Mailvelope
Mailvelope can be installed from the Chrome Web Store.
chrome  email  encryption  gmail 
2 days ago by danesparza

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