[Resource Topic] 2003/156: Efficient Provably Secure Public Key Steganography

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Efficient Provably Secure Public Key Steganography

Authors: Tri Van Le


We construct \emph{efficient} public key steganographic schemes, without resort to any peculiar
existence assumption such as unbiased functions. This is the first time such a construction is
obtained. Not only our constructions are \emph{secure}, but also are essentially optimal and have
\emph{no error} decoding. We achieve this by designing a new primitive called \ch{P}-codes.

ePrint: https://eprint.iacr.org/2003/156

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