Update on NIST's Post-Quantum Cryptography Program
NIST has posted an update on their post-quantum cryptography program: After spending more than three years examining new approaches to encryption and data protection that could defeat an assault from a...
View ArticleBreaking 256-bit Elliptic Curve Encryption with a Quantum Computer
Researchers have calculated the quantum computer size necessary to break 256-bit elliptic curve public-key cryptography: Finally, we calculate the number of physical qubits required to break the...
View ArticleThe NSA Says that There are No Known Flaws in NIST’s Quantum-Resistant...
Rob Joyce, the director of cybersecurity at the NSA, said so in an interview: The NSA already has classified quantum-resistant algorithms of its own that it developed over many years, said Joyce. But...
View ArticleNIST Announces First Four Quantum-Resistant Cryptographic Algorithms
NIST’s post-quantum computing cryptography standard process is entering its final phases. It announced the first four algorithms: For general encryption, used when we access secure websites, NIST has...
View ArticleSIKE Broken
SIKE is one of the new algorithms that NIST recently added to the post-quantum cryptography competition. It was just broken, really badly. We present an efficient key recovery attack on the...
View ArticleNIST’s Post-Quantum Cryptography Standards
Quantum computing is a completely new paradigm for computers. A quantum computer uses quantum properties such as superposition, which allows a qubit (a quantum bit) to be neither 0 nor 1, but something...
View ArticleBreaking RSA with a Quantum Computer
A group of Chinese researchers have just published a paper claiming that they can—although they have not yet done so—break 2048-bit RSA. This is something to take seriously. It might not be correct,...
View ArticleSide-Channel Attack against CRYSTALS-Kyber
CRYSTALS-Kyber is one of the public-key algorithms currently recommended by NIST as part of its post-quantum cryptography standardization process. Researchers have just published a side-channel...
View ArticleNIST Draft Document on Post-Quantum Cryptography Guidance
NIST has released a draft of Special Publication1800-38A: “Migration to Post-Quantum Cryptography: Preparation for Considering the Implementation and Adoption of Quantum Safe Cryptography.” It’s only...
View ArticleYou Can’t Rush Post-Quantum-Computing Cryptography Standards
I just read an article complaining that NIST is taking too long in finalizing its post-quantum-computing cryptography standards. This process has been going on since 2016, and since that time there has...
View ArticleImproving Shor’s Algorithm
We don’t have a useful quantum computer yet, but we do have quantum algorithms. Shor’s algorithm has the potential to factor large numbers faster than otherwise possible, which—if the run times are...
View ArticleQuantum Computing Skeptics
Interesting article. I am also skeptical that we are going to see useful quantum computers anytime soon. Since at least 2019, I have been saying that this is hard. And that we don’t know if it’s “land...
View ArticleImproving the Cryptanalysis of Lattice-Based Public-Key Algorithms
The winner of the Best Paper Award at Crypto this year was a significant improvement to lattice-based cryptanalysis. This is important, because a bunch of NIST’s post-quantum options base their...
View ArticleApple Announces Post-Quantum Encryption Algorithms for iMessage
Apple announced PQ3, its post-quantum encryption standard based on the Kyber secure key-encapsulation protocol, one of the post-quantum algorithms selected by NIST in 2022. There’s a lot of detail in...
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