Aaron Parecki

#totp

• 

  Nice, @backblaze just added two-factor auth via TOTP! Much better than SMS. #security https://www.backblaze.com/blog/two-factor-verification-via-totp/

  Portland, Oregon, USA

  1 like 1 reply

  Fri, Jul 14, 2017 7:46am -07:00 #security #totp
• Google Two Factor Authentication, possible attacks and prevention (zerocool.is-a-geek.net)

  To prevent this kind of attack we need to: limit the number of login attempts, ban IPs that send a large number of login requests

  Wed, Oct 15, 2014 12:22pm -07:00 #indieauth #totp #security
• 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