Informations about SSL certificates and networks security
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Kalyna is a block cipher that became a Ukrainian national standard in 2015. It supports block and key sizes of 128, 256, and 512 bits. Its structure looks like AES but optimized for 64-bit CPUs, and it has a complicated key schedule. Rounds range from 10-18, depending on block and key sizes. There is some … Read More “Kalyna Block Cipher” »
Last Monday, the TSA announced a peculiar new security measure to take effect within 96 hours. Passengers flying into the US on foreign airlines from eight Muslim countries would be prohibited from carrying aboard any electronics larger than a smartphone. They would have to be checked and put into the cargo hold. And now the … Read More “The TSA's Selective Laptop Ban” »
Available on eBay. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Powered by WPeMatico
Over the past few months, I have been watching my blog comments decline in civility. I blame it in part on the contentious US election and its aftermath. It’s also a consequence of not requiring visitors to register in order to post comments, and of our tolerance for impassioned conversation. Whatever the causes, I’m tired … Read More “Commenting Policy for This Blog” »
Turkish hackers are threatening to erase millions of iCloud user accounts unless Apple pays a ransom. This is a weird story, and I’m skeptical of some of the details. Presumably Apple has decided that it’s smarter to spend the money on secure backups and other security measures than to pay the ransom. But we’ll see … Read More “Hackers Threaten to Erase Apple Customer Data” »
Every year, the NSA has a competition for the best cybersecurity paper. Winners get to go to the NSA to pick up the award. (Warning: you will almost certainly be fingerprinted while you’re there.) Submission guidelines and nomination page. Powered by WPeMatico
I have written a paper with Orin Kerr on encryption workarounds. Our goal wasn’t to make any policy recommendations. (That was a good thing, since we probably don’t agree on any.) Our goal was to present a taxonomy of different workarounds, and discuss their technical and legal characteristics and complications. Abstract: The widespread use of … Read More “New Paper on Encryption Workarounds” »
Here is a listing of all the documents that the NSA has in its archives that are dated earlier than 1930. Powered by WPeMatico
WikiLeaks has started publishing a large collection of classified CIA documents, including information on several — possibly many — unpublished (i.e., zero-day) vulnerabilities in computing equipment used by Americans. Despite assurances that the US government prioritizes defense over offense, it seems that the CIA was hoarding vulnerabilities. (It’s not just the CIA; last year we … Read More “WikiLeaks Not Disclosing CIA-Hoarded Vulnerabilities to Companies” »