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Keyword: digitalsignatures

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  • Obama suggests 'digital fingerprints' to counter misinformation 'so we know what's true and what's not true'

    06/16/2023 4:09:48 PM PDT · by ransomnote · 42 replies
    FOXNEWS ^ | June 16, 2023 | Aaron Kliegman
    Obama says he's been target of 'deepfakes,' predicts next election cycle will be rife with false infoFormer President Barack Obama suggested in a new interview the development of "digital fingerprints" to combat misinformation and distinguish between true and misleading news for consumers.Obama sat down with his former White House senior adviser David Axelrod for a conversation on the latter's podcast, "The Axe Files," on CNN Audio. During the interview, Axelrod noted he's seen "misinformation, disinformation, [and] deepfakes" targeting Obama."As I've told people, because I was the first digital president when I left office, I was probably the most recorded, filmed,...
  • SHA-1 Broken

    02/16/2005 7:47:15 AM PST · by zeugma · 74 replies · 1,719+ views
    Schneier Weblog ^ | 02-16-2005 | Bruce Schneier
    February 15, 2005 SHA-1 Broken SHA-1 has been broken. Not a reduced-round version. Not a simplified version. The real thing. The research team of Xiaoyun Wang, Yiqun Lisa Yin, and Hongbo Yu (mostly from Shandong University in China) have been quietly circulating a paper describing their results: collisions in the the full SHA-1 in 2**69 hash operations, much less than the brute-force attack of 2**80 operations based on the hash length. collisions in SHA-0 in 2**39 operations. collisions in 58-round SHA-1 in 2**33 operations. This attack builds on previous attacks on SHA-0 and SHA-1, and is a major, major cryptanalytic...
  • The New Internet Backup and the Multimillion-Dollar MD5 Digital Signature Gamble

    06/06/2002 4:41:09 PM PDT · by FoxPro · 17 replies · 336+ views
    Micro Resource Group ^ | Thursday, June 06, 2002 | Jeff Roehl
    The New Internet Backup and the Multimillion-Dollar MD5 Digital Signature Gamble You probably don't backup your computer. I don't, and my job revolves around it. Basically, there is very little on my computer that I care about. My current projects/pictures/documents are all in known directories. Every once in a while I copy these directories to another computer, and I am all right. I know if my drive crashes, it will take some time to become useful again. I am willing to take that risk versus being more vigilant. Well backing up computers. over the Internet, is slowly going through...