Customisation of Paillier Homomorphic Encryption for Efficient Binary Biometric Feature Vector Matching

被引:0
|
作者
Penn, Georg M. [1 ]
Poetzelsberger, Gerhard [1 ]
Rohde, Martin [1 ]
Uhl, Andreas [1 ]
机构
[1] Univ Salzburg, Dept Comp Sci, J Haringerstr 2, A-5020 Salzburg, Austria
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中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
Computing the Hamming weight between binary biometric feature vectors in a homomorphic encryption domain can be rather inefficient due to the required bit-wise encryption. A biometric matching technique more efficient than the Goldwasser-Micali approach is proposed based on exploiting Paillier's capability of encrypting messages larger than one bit at a time. The efficiency is documented in an iris identification context.
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页数:6
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