j256 / two-factor-auth

Two Factor Authentication Java code implementing the Time-based One-time Password Algorithm

j256/two-factor-auth Issues

Google's QR API is dead
Updated a month ago11
"Key not recognized" in Google Authenticator app
Closed 2 years ago3
code is not validating
Closed 2 years ago1
Auth keys are invalid after server restart
Closed 2 years ago1
generateCurrentNumberString cannot match with the authenticator's code
Closed 4 years ago3
google authenticator 不是有效的身份验证令牌
Closed 3 years ago8
Compatibility with hardware devices instead of auth apps?
Closed 4 years ago1
Use with TOTP systems that generate Hex secrets
Closed 4 years ago
windowMillis setting is not correct
Closed 4 years ago3
Custom QR Image Dimensions
Closed 4 years ago1
does this repo support MS authenticator?
Closed 4 years ago2
generateCurrentNumber() returns long but validateCurrentNumber() accepts an int
Closed 5 years ago2
qrImageUrl invalid for google authenticator
Closed 6 years ago4
Invalid base-32 character: _
Closed 7 years ago3
Use generateBase32Secret()
Closed 7 years ago2
Separate otpauth portion of QR Url
Closed 7 years ago3
Problem with invalid base-32 secret causing ArrayIndexOutOfBoundsException
Closed 7 years ago5
License
Closed 8 years ago1
License?
Closed 9 years ago2