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Conference Papers Year : 2021

Homomorphic Two Tier Reversible Data Hiding In Encrypted 3D Objects

William Puech
Pauline Puteaux
Jean-Pierre Pedeboy

Abstract

Today, 3D objects are an increasingly popular form of media. It has become necessary to secure them during their transmission or archiving. In this paper, we propose a two tier reversible data hiding method for 3D objects in the encrypted domain. Based on the homomorphic properties of the Paillier cryptosystem, our proposed method embeds a first tier message in the encrypted domain which can be extracted in either the encrypted domain or the clear domain. Indeed, our method produces a marked 3D object which is visually very similar to the original object. It seeks to be format compliant and to preserve the original size of the data, without the need for an auxiliary file. Moreover, large keys are used, rending our method secure for real life applications.
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Dates and versions

lirmm-03520989 , version 1 (11-01-2022)

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Bianca Jansen van Rensburg, William Puech, Pauline Puteaux, Jean-Pierre Pedeboy. Homomorphic Two Tier Reversible Data Hiding In Encrypted 3D Objects. ICIP 2021 - 28th IEEE International Conference on Image Processing, Sep 2021, Anchorage, AK, United States. pp.3068-3072, ⟨10.1109/ICIP42928.2021.9506320⟩. ⟨lirmm-03520989⟩
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