Secure your OTP Keys.
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HENNGE OTP Generator
HENNGE OTP Generator is a virtual device application for multi-factor authentication (MFA), so-called two-step verification, which generates time-based one-time passwords (OTP) complying with RFC 6238 (TOTP: Time-Based One-Time Password Algorithm).
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Additional Instant Security
HENNGE OTP Generator has it's own PIN screen which prevents strangers or children from casually accessing your OTPs, even when you are physically away from your phone.
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Tested for various platforms
We tested TOTP QR codes from, and believe it works with:
- - Amazon Web Services (AWS Multi-Factor Authentication)
- - App.net (Two-Factor Authentication)
- - Dropbox (Two-step verification)
- - Evernote (Two-Step Verification)
- - GitHub (Two-factor Authentication)
- - Google Accounts (2-step verification)
- - Google Apps for Business (2-step verification)
- - HENNGE One(HENNGE Access Control OTP verification)
- - Microsoft Accounts (Two-Step Verification)
- - Tumblr (Two-Factor Authentication)
- - Yahoo! JAPAN(Yahoo! JAPAN one time password)
Limitations
- - To make OTP work, make sure your clock is in sync.
- - Only supports 6-digits OTPs.