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Cryptanalysis of MD2 |
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| Authors: | Lars R. Knudsen John Erik Mathiassen Frédéric Muller Søren S. Thomsen |
| Affiliation: | 1. Department of Mathematics, Technical University of Denmark, Matematiktorvet 303S, 2800, Kgs. Lyngby, Denmark 2. Avenir AS, Bergen, Norway 3. HSBC, Paris, France 4. Department of Mathematics, Technical University of Denmark, Matematiktorvet 303S, 2800, Kgs. Lyngby, Denmark |
| Abstract: | This paper considers the hash function MD2 which was developed by Ron Rivest in 1989. Despite its age, MD2 has withstood cryptanalytic attacks until recently. This paper contains the state-of-the-art cryptanalytic results on MD2, in particular collision and preimage attacks on the full hash function, the latter having complexity 273, which should be compared to a brute-force attack of complexity 2128. |
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