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epriestley e146958217 Generate QR codes for TOTP tokens
Summary: Ref T4398. I found a reasonable-ish LGPLv3 library for doing this, which isn't too huge or unwieldy.

Test Plan:
  - Scanned QR code with Authy.
  - Scanned QR code with Google Authenticator.

{F149317}

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T4398

Differential Revision: https://secure.phabricator.com/D8923
2014-05-01 10:23:11 -07:00

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