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Title |
A Visual Information Encryption Scheme Based on Visual Cryptography and D-H Key Agreement Scheme |
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Author |
Chao-Wen Chan, Yi-Da Wu |
| Citation |
Vol. 8 No. 4 pp. 128-132 |
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Abstract |
This paper presents a new visual cryptography scheme for secure digital transmission. Visual cryptography can be seen as a one-time pad system. Then, it cannot be reused. In this paper, we apply Diffie and Hellman (D-H) key agreement method and toral automorphism (TA) such that visual cryptography can be reused. Both secret and symmetry-key are represented in binary image. The proposed scheme is simple and easy to be implemented for shadow images. Therefore, it can be used in many electronic business applications. |
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Keywords |
Visual cryptography, secret sharing, toral automorphism, key agreement |
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