Aaron Parecki

#hash

• SHA256 Algorithm Explained (sha256algorithm.com)

  Mon, Feb 7, 2022 11:05am -08:00 #sha256 #hash
• RFC 6238: TOTP: Time-Based One-Time Password Algorithm (tools.ietf.org)

  The implementation of this algorithm MUST support a time value T larger than a 32-bit integer when it is beyond the year 2038.

  Mon, Jul 15, 2013 9:00am -07:00 #hash #password #rfc6238 #totp
• Hashcash (en.wikipedia.org)

  Hashcash is a proof-of-work system designed to limit email spam and denial-of-service attacks

  Wed, Aug 8, 2012 8:51pm -07:00 #crypto #DOS #email #hash #security #spam
• Geohash - geohash.org (geohash.org)

  Thu, Oct 7, 2010 2:26pm -07:00 #encoding #geo #geohash #geolocation #gps #hash #url
• Matasano Security LLC - Chargen - Enough With The Rainbow Tables: What You Need To Know About Secure Password Schemes (chargen.matasano.com)

  Fri, Sep 10, 2010 8:57am -07:00 #algorithm #authentication #crypto #cryptography #database #encryption #hash #md5 #password #php #security #web