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jedisct1's profile
Frank
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Frank
@jedisct1

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Frank

@jedisct1

France
Joined November 2008

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    1. Kevin Jones  🏳️‍🌈‏ @vcsjones 28 Sep 2018
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      • Report NetzDG Violation

      If you were building a password store from scratch in 2018, almost 2019, what would you use today and with what parameters? bcrypt, scrypt, argon2?

      5 replies 0 retweets 2 likes
      Show this thread
    2. Scott Arciszewski‏ @CiPHPerCoder 28 Sep 2018
      • Report Tweet
      • Report NetzDG Violation
      Replying to @vcsjones

      Hash-then-encrypt Password hash: Argon2id, N=32MiB, r=2, p=2 Encryption: XChaCha20-Poly1305 Webserver has the keys, database on separate hardware (e.g. Amazon RDS)

      3 replies 0 retweets 14 likes
    3. tux  🏴 🧨‏ @__tux 28 Sep 2018
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      Replying to @CiPHPerCoder @vcsjones

      Where did you come to those params for Argon2?

      1 reply 0 retweets 0 likes
    4. Scott Arciszewski‏ @CiPHPerCoder 28 Sep 2018
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      Replying to @__tux @vcsjones

      They're the *_INTERACTIVE constants in libsodium

      1 reply 0 retweets 2 likes
    5. Steve‏ @Sc00bzT 20 Mar 2019
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      • Report NetzDG Violation
      Replying to @CiPHPerCoder @__tux @vcsjones

      Those aren't the defaults. It's N=64MiB and p=1 since June 2017 and probably since Argon2id was added (https://github.com/jedisct1/libsodium/blame/32e36af97ef2116179cf6489e1f95f31d6b14e95/src/libsodium/include/sodium/crypto_pwhash_argon2id.h#L70 … and https://github.com/jedisct1/libsodium/blame/32e36af97ef2116179cf6489e1f95f31d6b14e95/src/libsodium/crypto_pwhash/argon2/pwhash_argon2id.c#L200 …). Note that these settings are 4x harder for GPUs. Also bcrypt is better for auth until maybe DDR5 or DDR6 and GPUs stagnate.

      1 reply 1 retweet 2 likes
      Frank‏ @jedisct1 20 Mar 2019
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      Replying to @Sc00bzT @CiPHPerCoder and

      Correct. But you just replied to a 172 days old tweet :)

      7:44 AM - 20 Mar 2019
      1 reply 0 retweets 0 likes
        1. New conversation
        2. Steve‏ @Sc00bzT 20 Mar 2019
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          Replying to @jedisct1 @CiPHPerCoder and

          Steve Retweeted Paul Moore  🇬🇧

          Blame @Paul_Reviews:https://twitter.com/Paul_Reviews/status/1107690801520394240 …

          Steve added,

          Paul Moore  🇬🇧Verified account @Paul_Reviews
          SRP6a -> Encrypt verifier https://twitter.com/vcsjones/status/1045751060835504128 …
          1 reply 0 retweets 0 likes
        3. Paul Moore  🇬🇧‏Verified account @Paul_Reviews 20 Mar 2019
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          Replying to @Sc00bzT @jedisct1 and

          sidesteps from room....

          1 reply 0 retweets 0 likes
        4. 1 more reply

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