Cryptology ePrint Archive: Report 2004/272
A Characterization of Authenticated-Encryption as a Form of Chosen-Ciphertext Security
Tom Shrimpton
Abstract: In this note we introduce a variation of the standard definition of chosen-ciphertext security, which we call IND-CCA3, and prove that IND-CCA3 is equivalent to authenticated-encryption.
Category / Keywords: secret-key cryptography / authenticated-encryption, definitions, chosen-ciphertext security
Date: received 18 Oct 2004
Contact author: teshrim at cs pdx edu
Available format(s): PDF | BibTeX Citation
Version: 20041021:200537 (All versions of this report)
Short URL: ia.cr/2004/272
[ Cryptology ePrint archive ]