ECSS: EC-Council Certified Security Specialist

An algorithm that forms part of the U.S. government's long-term project to establish publicly available cryptography standards, as authorized by the Computer Security Act of 1987, accepts a message 2^64 bits in length and produces a 160-bit message digest to complicate text searching.

Which of the following algorithms is a family of two similar hash functions that have different block sizes and use 32-bit words and 64-bit words?