I have long been annoyed that the word “crypto” has been co-opted by the blockchain people, and no longer refers to “cryptography.” I’m not the only one. Powered by WPeMatico
Category: cryptography
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Late last year, the NSA declassified and released a redacted version of Lambros D. Callimahos’s Military Cryptanalytics, Part III. We just got most of the index. It’s hard to believe that there are any real secrets left in this 44-year-old volume. Powered by WPeMatico
Apple’s NeuralHash algorithm — the one it’s using for client-side scanning on the iPhone — has been reverse-engineered. Turns out it was already in iOS 14.3, and someone noticed: Early tests show that it can tolerate image resizing and compression, but not cropping or rotations. We also have the first collision: two images that hash … Read More “Apple’s NeuralHash Algorithm Has Been Reverse-Engineered” »
Bizarro is a new banking trojan that is stealing financial information and crypto wallets. …the program can be delivered in a couple of ways — either via malicious links contained within spam emails, or through a trojanized app. Using these sneaky methods, trojan operators will implant the malware onto a target device, where it will … Read More “Bizarro Banking Trojan” »
This is a newly unclassified NSA history of its reaction to academic cryptography in the 1970s: “NSA Comes Out of the Closet: The Debate over Public Cryptography in the Inman Era,” Cryptographic Quarterly, Spring 1996, author still classified. Powered by WPeMatico
I have been seeing this paper by cryptographer Peter Schnorr making the rounds: “Fast Factoring Integers by SVP Algorithms.” It describes a new factoring method, and its abstract ends with the provocative sentence: “This destroys the RSA cryptosystem.” It does not. At best, it’s an improvement in factoring — and I’m not sure it’s even … Read More “No, RSA Is Not Broken” »
The US Cyber Command has released a series of ten Valentine’s Day “Cryptography Challenge Puzzles.” Slashdot thread. Reddit thread. (And here’s the archived link, in case Cyber Command takes the page down.) Powered by WPeMatico
DiceKeys is a physical mechanism for creating and storing a 192-bit key. The idea is that you roll a special set of twenty-five dice, put them into a plastic jig, and then use an app to convert those dice into a key. You can then use that key for a variety of purposes, and regenerate … Read More “DiceKeys” »
Mike Stay broke an old zipfile encryption algorithm to recover $300,000 in bitcoin. DefCon talk here. Powered by WPeMatico
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 quantum computer, the National Institute of Standards and Technology (NIST) has winnowed the 69 submissions it initially received down to a final group of … Read More “Update on NIST’s Post-Quantum Cryptography Program” »