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JOC
2006
77views more  JOC 2006»
14 years 13 days ago
An Improved Real-Quadratic-Field-Based Key Exchange Procedure
To date, the only non-group structure that has been suitably employed as the key space for Diffie-Hellman type cryptographic key exchange is the infrastructure of a real quadratic ...
Michael J. Jacobson Jr., Renate Scheidler, Hugh C....
STOC
2002
ACM
126views Algorithms» more  STOC 2002»
15 years 23 days ago
Polynomial-time quantum algorithms for Pell's equation and the principal ideal problem
We give polynomial-time quantum algorithms for three problems from computational algebraic number theory. The first is Pell's equation. Given a positive nonsquare integer d, ...
Sean Hallgren