An Identity Based Encryption Scheme Based on Quadratic Residues
- Cite this paper as:
- Cocks C. (2001) An Identity Based Encryption Scheme Based on Quadratic Residues. In: Honary B. (eds) Cryptography and Coding. Cryptography and Coding 2001. Lecture Notes in Computer Science, vol 2260. Springer, Berlin, Heidelberg
We present a novel public key cryptosystem in which the public key of a subscriber can be chosen to be a publicly known value, such as his identity. We discuss the security of the proposed scheme, and show that this is related to the difficulty of solving the quadratic residuosity problem
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