9.8 Assume that source elements of length are mapped in some uniform fashion into a target elements of length . If each digit can take on one of values, then the number of source elements is and the number of target elements is the smaller number . A particular source element is mapped to a particular target element . a. What is the probability that the correct source element can be selected by an adversary on one try? b. What is the probability that a different source element that results in the same target element, , could be produced by an adversary? c. What is the probability that the correct target element can be produced by an adversary on one try? | |
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