[Resource Topic] 2002/130: OAEP++ : A Very Simple Way to Apply OAEP to Deterministic OW-CPA Primitives

Welcome to the resource topic for 2002/130

Title:
OAEP++ : A Very Simple Way to Apply OAEP to Deterministic OW-CPA Primitives

Authors: Kazukuni Kobara, Hideki Imai

Abstract:

We prove in the random oracle model that OAEP++,
which was proposed by us at the rump session of Asiacrypt
2000, can generate IND-CCA2 ciphers
using deterministic
OW-CPA cryptographic primitives.
Note that
OAEP++ differs from OAEP$^{++} proposed by Jonsson in \cite{Jon02}. While OAEP^{++} requires a non-malleable block cipher, OAEP++ does not require such additional functions. The security reduction of OAEP++ is as tight as that of OAEP^{++}$.

ePrint: https://eprint.iacr.org/2002/130

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