1994-04-18 - rng, anyone?

Header Data

From: hughes@ah.com (Eric Hughes)
To: cypherpunks@toad.com
Message Hash: 2fe51a19c2d8d890667eb4915633dca09aec0aa446335ace7db1f44c458a6896
Message ID: <9404180122.AA00290@ah.com>
Reply To: <8hgM0uC00Vpc9g7nQ2@andrew.cmu.edu>
UTC Datetime: 1994-04-18 01:30:14 UTC
Raw Date: Sun, 17 Apr 94 18:30:14 PDT

Raw message

From: hughes@ah.com (Eric Hughes)
Date: Sun, 17 Apr 94 18:30:14 PDT
To: cypherpunks@toad.com
Subject: rng, anyone?
In-Reply-To: <8hgM0uC00Vpc9g7nQ2@andrew.cmu.edu>
Message-ID: <9404180122.AA00290@ah.com>
MIME-Version: 1.0
Content-Type: text/plain


>> There is a problem with generating random numbers by repeated
>> iterations of a hash function when these numbers will be used to
>> simulate an encrypted message body.  

>Try xoring the output with a secret value between MD5 hashes.

That'll work.  Take the seed as the secret value, and take the first
hash as the first block.

Eric

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• 1994-04-15 (Thu, 14 Apr 94 22:50:17 PDT) - Re: rng, anyone? - wcs@anchor.ho.att.com (bill.stewart@pleasantonca.ncr.com +1-510-484-6204)
  • 1994-04-17 (Sat, 16 Apr 94 21:13:56 PDT) - rng, anyone? - hughes@ah.com (Eric Hughes)
    • 1994-04-17 (Sun, 17 Apr 94 11:31:37 PDT) - Re: rng, anyone? - Matthew J Ghio <mg5n+@andrew.cmu.edu>
      • 1994-04-18 (Sun, 17 Apr 94 18:30:14 PDT) - rng, anyone? - hughes@ah.com (Eric Hughes)