Invention Grant
US09507928B2 Preventing the discovery of access codes 有权
防止访问代码的发现

Preventing the discovery of access codes
Abstract:
An example method includes determining a size at which to display one or more keys of a virtual keypad and determining a symbol to display on the one or more keys of the virtual keypad. The method also includes displaying the one or more keys of the virtual keypad on a computing device in accordance with a key's determined size and symbol, where a first displayed key is displayed at a different size than a second displayed key. The method further includes receiving a user input corresponding to the one or more keys and comparing the user input with a sequence of symbols. The method also includes authenticating the user in accordance with the comparison of the user input and sequence of symbols.
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