Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
Upcoming SlideShare
What to Upload to SlideShare
Next
Download to read offline and view in fullscreen.

Share

2FA, OTP, WTF?

Download to read offline

An overview of 2 Factor Authentication and the TOTP algorithm used for one time passwords. Code examples in Python using https://github.com/pyotp/

Related Books

Free with a 30 day trial from Scribd

See all
  • Be the first to like this

2FA, OTP, WTF?

  1. 1. 2 FA , O T P, W T F ? @ K E L L E Y R O B I N S O N T W I L I O
  2. 2. ( 2 FA ) T W O FA C T O R A U T H E N T I C AT I O N
  3. 3. FACTORS • Something you know • Something you have • Something you are
  4. 4. ( O T P ) O N E T I M E PA S S W O R D
  5. 5. ( T O T P ) T I M E - B A S E D O N E T I M E PA S S W O R D
  6. 6. ( T O T P ) T I M E - B A S E D O N E T I M E PA S S W O R D
  7. 7. T O T P A L G O R I T H M
  8. 8. 1 . S E C R E T K E Y
  9. 9. 2 . C U R R E N T T I M E
  10. 10. 3 . S I G N I N G F U N C T I O N
  11. 11. 4 . T R U N C AT E
  12. 12. https://github.com/pyotp/
  13. 13. T H A N K Y O U ! @ K E L L E Y R O B I N S O N
  14. 14. https://tools.ietf.org/html/rfc6238 https://twofactorauth.org/ https://authy.com/ https://twitter.com/jessysaurusrex https://security.stackexchange.com/a/135953 2 FA R E S O U R C E S

An overview of 2 Factor Authentication and the TOTP algorithm used for one time passwords. Code examples in Python using https://github.com/pyotp/

Views

Total views

408

On Slideshare

0

From embeds

0

Number of embeds

0

Actions

Downloads

3

Shares

0

Comments

0

Likes

0

×