Otpkey Authenticator

The Otpkey Authenticator app adds a multi-factor layer of security for your online accounts. Many services and IT products support One Time Password authentication to protect your account.

These passwords can be generated even when your device is in offline mode.

The Otpkey Authenticator app works with many of the great online services you already use, including Google, Facebook, Evernote, GitHub, Twitter, AWS, and many more popular online services and IT products!

The Otpkey Authenticator app works for the standard TOTP or HOTP protocols.

Features
=======
- Secure as your device account
- Scan for QR code
- Export account as QR code
- Auto hide
- Hide your security code
- Change your account icon
- Use Bio Authentication
- Copy code to clip-board
- Backup into Google Firebase

Specifications
===========
- Type : Time-based, Counter-based
- Algorithm : SHA-1, SHA-256, SHA-512
- Digits : 6, 8, 10
- Period : 30, 60

RFC Standards
===========
TOTP - Time-based One-time Password Algorithm (RFC 6238)
HOTP - HMAC Based OTP Algorithm (RFC 4226)