Abstract: A method, system, and computer program product for processing entry of a secret that comprises an ordered sequence of elements. In accordance with the method of the present invention a set of elements is presented in a mutually fixed element arrangement to a prover. The presenting step further includes assigning in association with at least one of the presented elements, an attribute selected from a set of attributes, in which the number of selectable attributes is less than the number of elements presented in the fixed arrangement. A prover input corresponding to one or more of the presented attributes is received and processed to determine entry of an element of the secret.