Invention Grant
US09135427B2 Authentication using a subset of a user-known code sequence 有权
使用用户已知代码序列的子集进行身份验证

Authentication using a subset of a user-known code sequence
Abstract:
Authentication in a system includes presenting information to a user containing a partial sequence of a passcode along with distractors. The user is challenged to identify the partial sequence from among the information in order to gain access to the system.
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