this tweet brought to you by this fuckily-notated ancient (1994!!) paper introducing DSA batch verificationpic.twitter.com/uWd6V6Z1MV
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scary crypto-themed halloween costumes
* multiplicative notation
* non-prime order group
* tether
* SHA-1
* “pure javascript implementation”
* RSA-1024
* clipper chip
* cryptocat
* dual EC DRBG
* merkle-hellman knapsack
* DES
* static supersingular isogeny diffie-hellman key
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bro i herd u liek subscripts in the superscripts of your superscripts of your subscripts of your superscripts with some hash functions sprinkled in there
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I asked my friends if they wanted to do a group costume and they were all into it until I started talking about multiplicative inverses.
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* Peter Shor.
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This slide from@durumcrustulum's talk on supersingular isogeny diffie hellman is
https://dconnolly.github.io/talks/defcon-2016/state-of-the-curve-defcon-2016.pdf … pic.twitter.com/tfL7jBhwcl
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13 (iota cryptographers only)
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because of the "cross your fingers and hope to god you don't reuse a winternitz key" thing?
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* "256-bit encryption" which is really RSA-256
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who did this
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cryptocat is totally achievable but probably the ickiest
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I haven't been paying attention for years, whatever happened with/to cryptocat?
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* "SSL added and removed here ;-)" * ECB by default. * A collection of plausible patents for optimized EC group operations * "military grade encryption" * goto fail; goto fail; * A strong private key stored in a public directory * MD_Update(&m,buf,j); /* purify complains */
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* Key escrow, which is definitely not a backdoor. * A golden key, which is definitely not a backdoor. * Lawful access, which is definitely not a backdoor. * whoever the Attorney General is by Halloween
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Night of the Living Key Escrow PRNG from the Black Box lagoon
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tag yourself i'm SMS-based MFA
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I'm non-salted password hashes.
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2DES/3DES? MD4/MD5?
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