Keyword : chosen-ciphertext security

How to Shorten a Ciphertext of Reproducible Key Encapsulation Mechanisms in the Random Oracle Model
Yusuke SAKAI  Goichiro HANAOKA  Kaoru KUROSAWA  Kazuo OHTA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/06/01
Vol. E94-A  No. 6  pp. 1293-1305
Type of Manuscript: Special Section PAPER (Special Section on Discrete Mathematics and Its Applications)
Category: 
Keyword: 
public key encryption,  chosen-ciphertext security,  key encapsulation mechanism, 
  Summary |  Full Text:PDF (436.6KB)
Public Key Encryption Schemes from the (B)CDH Assumption with Better Efficiency
Shota YAMADA  Yutaka KAWAI  Goichiro HANAOKA  Noboru KUNIHIRO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 1984-1993
Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
public key encryption,  chosen-ciphertext security,  computational Diffie-Hellman assumption,  bilinear computational Diffie-Hellman assumption, 
  Summary |  Full Text:PDF (396.6KB)
Between Hashed DH and Computational DH: Compact Encryption from Weaker Assumption
Goichiro HANAOKA  Kaoru KUROSAWA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/11/01
Vol. E93-A  No. 11  pp. 1994-2006
Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications)
Category: Cryptography and Information Security
Keyword: 
public key encryption,  chosen-ciphertext security,  Diffie-Hellman assumption, 
  Summary |  Full Text:PDF (408.2KB)
Chosen Ciphertext Security with Optimal Ciphertext Overhead
Masayuki ABE  Eike KILTZ  Tatsuaki OKAMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/01/01
Vol. E93-A  No. 1  pp. 22-33
Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security)
Category: Public Key Cryptography
Keyword: 
chosen-ciphertext security,  OAEP,  ciphertext overhead, 
  Summary |  Full Text:PDF (258.5KB)