A Secure Asymmetric Watermarking to the Public Key Attack

이덕; Kim Jong Weon; Choi Jong Uk

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2008, 13(7), pp.173-180
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

이덕 ¹, Kim Jong Weon ², Choi Jong Uk ³

¹연변대학교 공과대학
²상명대학교
³상명대학교

ABSTRACT

In this paper, we proposed an algorithm for an effective public key and private key generation to implement a secure asymmetric watermarking system against the public key attack. The public key and private key generation is based on the linear transformation using a special matrix and the keys are designed to be able to have high correlation value. We also proposed a counter plan of public key attack. This method uses a multiple public key generation and distribution. As the results, the correlation value between the public key and the private key is high in the watermarked image. After the public key attack, this can detect the correlation by using other public key.
KEYWORDS

상관도검출(correlation detection), 비대칭(asymmetric), 공개키(public key), 공개 키 공격(public key attack)
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KCI Citation (1)

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