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» Provably Secure Timed-Release Public Key Encryption
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CCS
2008
ACM
13 years 9 months ago
Security arguments for the UM key agreement protocol in the NIST SP 800-56A standard
The Unified Model (UM) key agreement protocol is an efficient Diffie-Hellman scheme that has been included in many cryptographic standards, most recently in the NIST SP 80056A sta...
Alfred Menezes, Berkant Ustaoglu
INFORMATICALT
2006
177views more  INFORMATICALT 2006»
13 years 7 months ago
Cryptanalysis and Improvement of Practical Convertible Authenticated Encryption Schemes Using Self-Certified Public Keys
A convertible authenticated encryption scheme allows a specified recipient to recover and verify a message simultaneously. Moreover the recipient can prove the dishonesty of the se...
Zuhua Shao
PKC
1999
Springer
102views Cryptology» more  PKC 1999»
13 years 11 months ago
How to Enhance the Security of Public-Key Encryption at Minimum Cost
This paper presents a simple and efficient conversion from a semantically secure public-key encryption scheme against passive adversaries to a non-malleable (or semantically secure...
Eiichiro Fujisaki, Tatsuaki Okamoto
ASIACRYPT
2009
Springer
13 years 11 months ago
Hedged Public-Key Encryption: How to Protect against Bad Randomness
Abstract. Public-key encryption schemes rely for their IND-CPA security on per-message fresh randomness. In practice, randomness may be of poor quality for a variety of reasons, le...
Mihir Bellare, Zvika Brakerski, Moni Naor, Thomas ...
ASIACRYPT
2001
Springer
13 years 12 months ago
Key-Privacy in Public-Key Encryption
We consider a novel security requirement of encryption schemes that we call “key-privacy” or “anonymity”. It asks that an eavesdropper in possession of a ciphertext not be ...
Mihir Bellare, Alexandra Boldyreva, Anand Desai, D...