A tap and gesture hybrid method for authenticating smartphone users

@inproceedings{Arif2013ATA,
  title={A tap and gesture hybrid method for authenticating smartphone users},
  author={Ahmed Sabbir Arif and Michel Pahud and Ken Hinckley and William Buxton},
  booktitle={Mobile HCI},
  year={2013}
}
This paper presents a new tap and gesture hybrid method for authenticating mobile device users. The new technique augments four simple gestures - up, down, left, and right, to the dominant digit lock technique, allowing users to either tap or perform any one of the four gestures on the digit keys. It offers in total 6250000 unique four-symbol password combinations, which is substantially more than the conventional techniques. Results of a pilot study showed that the new technique was slower and… CONTINUE READING

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