Finally, we calculate the number of physical qubits required to break the 256-bit elliptic curve encryption of keys in the Bitcoin network within the small available time frame in which it would actually pose a threat to do so. It would require 317 × 106 physical qubits to break the encryption within one hour using the surface code, a code cycle time of 1 μs, a reaction time of 10 μs, and a physical gate error of 10-3. To instead break the encryption within one day, it would require 13 × 106 physical qubits.
Governments are back on their anti-encryption bullshit again. Between the U.S. Senate's "EARN IT" Act, the E.U.'s slew of anti-encryption proposals, and Australia's new anti-encryption law, it's become clear that the authoritarians in office view online privacy as a threat to their existence. Normally, when the governments increase their anti-privacy sabre-rattling, technologists start talking more…
SHA-2 (Secure Hash Algorithm 2), of which SHA-256 is a part, is one of the most popular hashing algorithms out there. In this article, we are going to break down each step of the algorithm as simple as we can and work through a real-life example by hand.
Recherchen von ZDF, Washington Post und SRF belegen, dass BND und CIA grobe Menschrechtsverletzungen verschwiegen, als sie heimlich Staaten ausspionierten.
Found linked from Whose Curve Is It Anyway <https://whosecurve.com/>. | Here at Trail of Bits we review a lot of code. From major open source projects to exciting new proprietary software, we’ve seen it all. But one common denominator in all of these systems is that for some inexplicable reason people still seem to think RSA is a good cryptosystem to use. Let me save…
Cryptography engineers have been tearing their hair out over PGP’s deficiencies for (literally) decades. When other kinds of engineers get wind of this, they’re shocked. PGP is bad? Why do people keep telling me to use PGP? The answer is that they shouldn’t be telling you that, because PGP is bad and needs to go away. There are, as you’re about to see, lots of problems with PGP. Fortunately, if you’re not morbidly curious, there’s a simple meta-problem with it: it was designed in the 1990s, before serious modern cryptography.
Here at Trail of Bits we review a lot of code. From major open source projects to exciting new proprietary software, we’ve seen it all. But one common denominator in all of these systems is that for some inexplicable reason people still seem to think RSA is a good cryptosystem to use. Let me save…
Quantum computers pose a significant security threat to cryptocurrencies such as Bitcoin. Now a team of Russian scientists has worked out how to secure blockchains using quantum mechanics.
E-Mail-Verschlüsselung ist seit Jahren ein Thema. Und seit Jahren setzt sie sich nicht durch. Das hat verschiedene Gründe. Wir zeigen trotzdem, wie es geht.
They’re almost invisible but contain a hidden code – and now their presence on a leaked document has sparked speculation about their usefulness to FBI investigators.
So you've got a new PC or laptop and Windows is asking you to enter your Microsoft account details. There are some strong reasons for signing up, not least of all the fact it's free, but if you don't want to you don't have to. Here's how to set up Windows 10 without a Microsoft account.
“There hasn’t been a revolution like the one in Rojava since the 1930s,” Taaki says, comparing it to Catalonia and the Spanish Civil War. “It’s one of the biggest things to happen in anarchist history.”
Opt out of global data surveillance programs like PRISM, XKeyscore and Tempora. Help make mass surveillance of entire populations uneconomical! We all have a right to privacy, which you can exercise today by encrypting your communications and ending your reliance on proprietary services.
From typing a business letter to taking pictures with friends, the internet has changed every part of our lives. We don’t just share information with people, we also want it synced across our computer
There are many good reasons of using Android without Google Play Services (the Google's proprietary part of Android operating system), mostly to protect its privacy. Google Play Services contain background processes used by Google not only to provide services (e.g., push notifications, acc
Unlike many others, you might stop yourself before typing “ls” and notice — that’s no shell, it’s a chat room! While the little details sink in, it dawns on you that there is something extra-special…
“Such access will open doors through which criminals and malicious nation-states can attack the very individuals law enforcement seeks to defend,” the report said. “The costs would be substantial, the damage to innovation severe and the consequences to economic growth hard to predict. The costs to the developed countries’ soft power and to our moral authority would also be considerable.”
This specification describes a JavaScript API for performing basic cryptographic operations in web applications, such as hashing, signature generation and verification, and encryption and decryption. Additionally, it describes an API for applications to generate and/or manage the keying material necessary to perform these operations. Uses for this API range from user or service authentication, document or code signing, and the confidentiality and integrity of communications.
The European Parliament wants its IT department to rehabilitate its Linux desktop pilot. On Tuesday, the EP's committee on budgetary control accepted a request by MEPs Bart Staes and Amelia Andersdotter to dust off the Linux desktop, which had been shelved in 2012. In their amendment, the MEPs write they regret that the Linux distribution was never promoted among those in the parliament “who would have had an interest in such a project”.
Travis Doering is raising funds for CLASSIFIED : THE EDWARD SNOWDEN STORY on Kickstarter! Classified: The Edward Snowden Story is a feature length biopic that will tell the story of former CIA and NSA employee Edward Snowden.
Y. Hanaoka, G. Hanaoka, J. Shikata, и H. Imai. Cryptology ePrint Archive, Report 2004/338, (2005)supersedes a previous version which is entitled as 'Identity-Based
Encryption with Non-Interactive Key Update'..
J. Camenisch, и E. Herreweghen. CCS '02: Proceedings of the 9th ACM conference on Computer and communications security, стр. 21-30. New York, NY, USA, ACM, (2002)