Browsing CSAIL Technical Reports (July 1, 2003 - present) by Subject "Chosen Ciphertext Security"

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    • Bounded CCA2-Secure Non-Malleable Encryption 

      Pass, Rafael; Shelat, Abhi; Vaikuntanathan, Vinod (2006-12-14)
      Under an adaptive chosen ciphertext attack (CCA2), the security of an encryption scheme must hold against adversaries that have access to a decryption oracle. We consider a weakening of CCA2 security, wherein security ...