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Circular-Secure Encryption from Decision Diffie-Hellman
Decision Diffie-Hellman Circular-Secure Encryption
2015/8/5
We describe a public-key encryption system that remains secure even encrypting messages that depend on the secret keys in use. In particular, it remains secure under a ``key cycle'' usage, where we ha...
The Decision Die-Hellman assumption (ddh) is a gold mine. It enables one to construct
ecient cryptographic systems with strong security properties. In this paper we survey the recent
applications ...
EASY DECISION-DIFFIE-HELLMAN GROUPS
Easy decision-Diffie-Hellman groups DDH problems Weil and Tate pairings
2009/3/24
It is already known that the Weil and Tate pairings can be used to
solve many decision-Diffie-Hellman (DDH) problems on elliptic curves. A natural
question is whether all DDH problems are easy on su...
