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Microsoft Is Adding New Cryptography Algorithms

Posted on September 12, 2024 By infossl
cryptography, microsoft, quantum computing, Security technology, Uncategorized

Microsoft is updating SymCrypt, its core cryptographic library, with new quantum-secure algorithms. Microsoft’s details are here. From a news article: The first new algorithm Microsoft added to SymCrypt is called ML-KEM. Previously known as CRYSTALS-Kyber, ML-KEM is one of three post-quantum standards formalized last month by the National Institute of Standards and Technology (NIST). The … Read More “Microsoft Is Adding New Cryptography Algorithms” »

NIST Releases First Post-Quantum Encryption Algorithms

Posted on August 15, 2024 By infossl
cryptography, encryption, national security policy, nist, quantum computing, security standards, Security technology, Uncategorized

From the Federal Register: After three rounds of evaluation and analysis, NIST selected four algorithms it will standardize as a result of the PQC Standardization Process. The public-key encapsulation mechanism selected was CRYSTALS-KYBER, along with three digital signature schemes: CRYSTALS-Dilithium, FALCON, and SPHINCS+. These algorithms are part of three NIST standards that have been finalized: … Read More “NIST Releases First Post-Quantum Encryption Algorithms” »

Lattice-Based Cryptosystems and Quantum Cryptanalysis

Posted on May 28, 2024 By infossl
cryptography, essays, quantum computing, quantum cryptography, Security technology, Uncategorized

Quantum computers are probably coming, though we don’t know when—and when they arrive, they will, most likely, be able to break our standard public-key cryptography algorithms. In anticipation of this possibility, cryptographers have been working on quantum-resistant public-key algorithms. The National Institute for Standards and Technology (NIST) has been hosting a competition since 2017, and … Read More “Lattice-Based Cryptosystems and Quantum Cryptanalysis” »

Quantum Computing Skeptics

Posted on January 25, 2024 By infossl
quantum computing, Security technology, Uncategorized

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 a person on the surface of the moon” hard, or “land a person on the surface of the … Read More “Quantum Computing Skeptics” »

Improving Shor’s Algorithm

Posted on January 5, 2024 By infossl
academic papers, cryptanalysis, cryptography, quantum computing, rsa, Security technology, Uncategorized

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 actually feasible—could break both the RSA and Diffie-Hellman public-key algorithms. Now, computer scientist Oded Regev has a significant speed-up to Shor’s algorithm, at … Read More “Improving Shor’s Algorithm” »

You Can’t Rush Post-Quantum-Computing Cryptography Standards

Posted on August 8, 2023 By infossl
cryptography, encryption, national security policy, nist, quantum computing, security standards, Security technology, Uncategorized

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 been a huge increase in quantum technology and an equally large increase in quantum understanding and interest. Yet seven years later, we have … Read More “You Can’t Rush Post-Quantum-Computing Cryptography Standards” »

Side-Channel Attack against CRYSTALS-Kyber

Posted on February 28, 2023 By infossl
academic papers, cryptography, encryption, machine learning, quantum computing, quantum cryptography, Security technology, side-channel attacks, Uncategorized

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 attack—using power consumption—against an implementation of the algorithm that was supposed to be resistant against that sort of attack. The algorithm is not “broken” or “cracked”—despite headlines to the contrary—this … Read More “Side-Channel Attack against CRYSTALS-Kyber” »

Breaking RSA with a Quantum Computer

Posted on January 3, 2023 By infossl
academic papers, china, cryptanalysis, cryptography, quantum computing, rsa, Security technology, Uncategorized

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, but it’s not obviously wrong. We have long known from Shor’s algorithm that factoring with a quantum computer is easy. But it … Read More “Breaking RSA with a Quantum Computer” »

NIST’s Post-Quantum Cryptography Standards

Posted on August 8, 2022 By infossl
algorithms, cryptanalysis, cryptography, nist, quantum computing, quantum cryptography, Security technology, Uncategorized

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 much more complicated. In theory, such a computer can solve problems too complex for conventional computers. Current quantum computers are still toy … Read More “NIST’s Post-Quantum Cryptography Standards” »

SIKE Broken

Posted on August 4, 2022 By infossl
algorithms, cryptanalysis, cryptography, encryption, nist, quantum computing, Security technology, Uncategorized

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 Supersingular Isogeny Diffie­-Hellman protocol (SIDH), based on a “glue-and-split” theorem due to Kani. Our attack exploits the existence of a small non-scalar endomorphism on … Read More “SIKE Broken” »

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