Concealing Additional Secrets Using Sharing Approach in Steganography

  • Marek R. OgielaEmail author
  • Katarzyna Koptyra
Conference paper
Part of the Lecture Notes on Data Engineering and Communications Technologies book series (LNDECT, volume 2)


This paper describes a method of concealing additional secret data in fuzzy vault cryptosystem. The hidden information is placed on the second level of the system, what means that it is impossible to reveal higher level secret before decoding all related data from lower level. This property gives an opportunity of using presented technique as a secret sharing system in which information from previous step is used in the next part of the algorithm (no additional keys are required). As the existence of second-level secrets is not obvious for external observer, this idea may be applied for steganography purposes. The format of concealed secret is two-dimensional point (x, y), thus the method presented in this paper is suitable for protecting all data that can be presented as a pair of numbers.


Shared Secret Level Secret Order Invariance Fuzzy Vault High Level Secret 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.AGH University of Science and Technology, Faculty of Electrical Engineering, Automatics, Computer Science, and Biomedical EngineeringKrakowPoland

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