期刊
SIGNAL PROCESSING
卷 141, 期 -, 页码 217-227出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.sigpro.2017.06.010
关键词
Image encryption; ECC; AES; Random generator
Elliptic Curve Cryptography (ECC) has proven to be an effective cryptography. ECC has its own advantages such as efficient key size compared to other Public Key Infrastructures. This paper exploits the Elliptic curve random generator defined by National Institute of Standards and Technology (NIST) to generate a sequence of arbitrary numbers based on curves. The random generation phase is based on public shared key and a changing point G, which is a generator of a curve to obtain random sequences. Then, Advanced Encryption System is applied to these sequences acquiring arbitrary keys for encrypting image. Using AES alongside well distributed randoms provides a prominent encryption technique. Our experiments show that the proposed method fulfills the basics of cryptography including simpleness and correctness. Moreover, the results of the evaluation prove the effectiveness and security of the proposed method. (C) 2017 Elsevier B.V. All rights reserved.
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