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Cryptography Post #2430 · source on Telegram

Encrypted Name At The Coffee Shop

Description

A black-and-white cartoon shows a barista at a coffee counter calling out, "Triple Venti half-sweet non-fat caramel macchiato for 083d9a270-e6e16b2fbb008d-35067aae5f." A customer holding a drink explains to another person, "I always ENCRYPT my name in public places just to be safe." The visible identifier looks hash- or UUID-like rather than like a normal name, making the privacy precaution absurdly impractical. The technical humor comes from conflating encryption, hashing, and public anonymity while creating a worse human interface than the original problem.

Comments

16
Anonymous ★ Top Pick He did not protect his identity so much as move the PII risk into the barista's pronunciation queue.
  1. Anonymous ★ Top Pick

    He did not protect his identity so much as move the PII risk into the barista's pronunciation queue.

  2. @f3rr0us 5y

    This is actually a UUID v1 with misplaced hyphens, not an encryption product. Also, if we can assume that his node ID (6 bytes) is his name in ASCII, then his name should be 6 letters long, and not Dave. Just thinking.

    1. dev_meme 5y

      That’s md5 hash of Dave, man

      1. @serghei_k 5y

        Actually no $ echo Dave | md5sum 12d3a1c72c28845a163703171f7f4ac1 -

        1. Deleted Account 5y

          echo -n

          1. @serghei_k 5y

            Aha

  3. @f3rr0us 5y

    Got it, linebreaks :)

  4. @serghei_k 5y

    And md5 isn't encryption it's hashing

    1. Deleted Account 5y

      That's the joke

    2. dev_meme 5y

      JFYI hashing COULD be a form of encryption

  5. @o6m0o9m 5y

    @serghei_k you just done it wrong

  6. @o6m0o9m 5y

    083d9a270e6e16b2fbb08d35067aae5f, you can try rainbow table attack on it

  7. Deleted Account 5y

    Is it md5?

  8. @lord_nani 5y

    damn

  9. @lord_nani 5y

    thats cringe

  10. @serghei_k 5y

    Yeah, I already saw

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