two factor auth android app
Need more security ? Try Two Factor Auth
A sample application that can be used as a template for implementing Mobile Two Factor Auth
The major drawback of authentication performed including something that the user possesses is that the physical token (the USB stick, the bank card, the key or similar) must be carried around by the user, practically at all times. Loss and theft are a risk. There are also costs involved in procuring and subsequently replacing tokens of this kind. In addition, there are inherent conflicts and unavoidable trade-offs between usability and security.
Devices such as mobile phones and smartphones serve as "something that the user possesses", was developed to provide an alternative method that would avoid such issues. To authenticate themselves, people can use their personal access license (i.e. something that only the individual user knows) plus a one-time-valid, dynamic passcode consisting of digits. The code can be sent to their mobile device by SMS or directly on-screen. The advantage of this method is that there is no need for an additional, dedicated token, as users tend to carry their mobile devices around at all times anyway.
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