Схема построения криптографических хеш-функций MDC-4

Brachtl, B.O., D. Coppersmith, M.M. Hyden, S.M. Matyas, C.H. Meyer, J. Oseas, S. Pilpel, and M. Schilling (1990). “Data authentication using modification detection codes based on a public one way encryption function.” U.S. Patent Number 4,908,861.

Meyer, C.H. and M. Schilling (1988). “Secure program load with manipulation detection code.” Proc. Securicom, 88, 111–130.