| 摘要 |
Methods and systems described herein perform a secure transaction. A display presents images that are difficult for malware to recognize but a person can recognize. In at least one embodiment, a person communicates transaction information using visual images received from the service provider system. In at least one embodiment, a universal identifier is represented by images recognizable by a person, but difficult for malware to recognize.;In some embodiments, methods and systems are provided for determining whether to grant access, by generating and displaying visual images on a screen that the user can recognize. In an embodiment, a person presses ones finger(s) on the screen to select images as a method for authenticating and protecting communication from malware.;In at least one embodiment, quantum randomness helps unpredictably vary the image location, generate noise in the image, or change the shape or texture of the image.;In some embodiments, visual image authentication helps Alice and Bob detect if Eve has launched a man-in-the-middle attack on their key exchange. |
