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Lecture Notes in Computer Science
To enhance system performance computer architectures tend to incorporate an increasing number of parallel execution units. This paper shows that the new generation of MD4-based customized hash functions (RIPEMD-128, RIPEMD-160, SHA-1) contains much more software parallelism than any of these computer architectures is currently able to provide. It is conjectured that the parallelism found in SHA-1 is a design principle. The critical path of SHA-1 is twice as short as that of its closestdoi:10.1007/3-540-69053-0_24 fatcat:rtzl66awnze5ta424tfxpimhse