Hardware Index to Permutation Converter
Abstract:
We demonstrate a circuit that generates a permutation in response to an index. Since there are n n-element permutations, the index ranges from 0 to n 1. Such a circuit is needed in the hardware implementation of unique-permutation hash functions to specify how parallel machines interact through a shared memory. Such a circuit is also needed in cryptographic applications. The circuit is based on the factorial number system.
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Collection: TR