Chosen Ciphertext Security from Injective Trapdoor Functions

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Paper 2020/759

Chosen Ciphertext Security from Injective Trapdoor Functions

Susan Hohenberger and Venkata Koppula and Brent Waters

Abstract

We provide a construction of chosen ciphertext secure public-key encryption from (injective) trapdoor functions. Our construction is black box and assumes no special properties (e.g. ``lossy'', ``correlated product secure'') of the trapdoor function.

Metadata

Available format(s): PDF
Category: Foundations
Publication info: Published by the IACR in CRYPTO 2020
Keywords: public-key cryptography CCA security trapdoor functions
Contact author(s): susan @ cs jhu edu,venkata koppula @ weizmann ac il,bwaters @ cs utexas edu
History: 2020-06-21: received
Short URL: https://ia.cr/2020/759
License: CC BY