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| Name | How does the Google Authenticator Work? HOTP TOTP Difference | 2FA Authentication |
| Video Uploader | Video From Gabriel Zimmermann |
| Upload Date | This Video Uploaded At 02-04-2020 02:23:01 |
| Video Discription | How does Authy work? What's HOTP and TOTP? What's multi factor Authentication? and Two factor? 2FA. We look at Base32, QR codes, and the respective RFCs for both approaches. Authy vs Google Authenticator. Chapters: 00:00 Intro 00:20 What are we solving? 00:39 HOTP 02:35 Solving: Password length 04:44 Solving: Syncing counter 04:41 TOTP 08:29 TOTP Secret Encoding 09:20 Qr Code contents 10:30 Real World QR code 11:08 Reading the spec, an example of the flow 15:54 How do you validate? 17:33 Outro Totp vs hotp. rfc4226. How Google authenticator works. |
| Category | Science & Technology |
| Tags | hotp | htop | totp | 2fa | google authenticator | authy | multi factor | eli5 | Explain like I'm 5 | hmac | hmac-sha-1 | hashing |
