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Geometric cryptography is an area of cryptology where messages and ciphertexts are represented by geometric quantities such as angles or intervals and where computations are performed by ruler and compass constructions.[1] The difficulty or impossibility of solving certain geometric problems like trisection of an angle using ruler and compass only is the basis for the various protocols in geometric cryptography. This field of study was suggested by Mike Burmester, Ronald L. Rivest and Adi Shamir in 1996.[1] Though the cryptographic methods based on geometry have practically no real life applications, they are of use as pedagogic tools for the elucidation of other more complex cryptographic protocols.[1] Geometric cryptography may have applications in the future once current mainstream encryption methods are made obsolete by quantum computing.[2]
^ abcMike Burmester, Ronald L Rivest and Adi Shamir (1997-11-04). "Geometric Cryptography Identification by Angle Trisection" (PDF). US Department of Energy, OSTI. Archived from the original (PDF) on 2001-11-16. Retrieved 2014-06-19.
^Costello, Craig (2019-11-12), "Craig Costello: In the war for information, will quantum computers defeat cryptographers?", TED.com
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