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Electronics 2018, 7(5), 64; https://doi.org/10.3390/electronics7050064

Two-Dimensional (2D) Slices Encryption-Based Security Solution for Three-Dimensional (3D) Printing Industry

1
Department of IT Convergence & Application Engineering, Pukyong National University, Busan 608-737, Korea
2
Department of Information Security, Tongmyong University, Busan 608-711, Korea
*
Author to whom correspondence should be addressed.
Received: 22 April 2018 / Revised: 30 April 2018 / Accepted: 2 May 2018 / Published: 7 May 2018
(This article belongs to the Special Issue Safe and Secure Embedded Systems)
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Abstract

Nowadays, three-dimensional (3D) printing technology is applied to many areas of life and changes the world based on the creation of complex structures and shapes that were not feasible in the past. But, the data of 3D printing is often attacked in the storage and transmission processes. Therefore, 3D printing must be ensured security in the manufacturing process, especially the data of 3D printing to prevent attacks from hackers. This paper presents a security solution for 3D printing based on two-dimensional (2D) slices encryption. The 2D slices of 3D printing data is encrypted in the frequency domain or in the spatial domain by the secret key to generate the encrypted data of 3D printing. We implemented the proposed solution in both the frequency domain based on the Discrete Cosine Transform and the spatial domain based on geometric transform. The entire 2D slices of 3D printing data is altered and secured after the encryption process. The proposed solution is responsive to the security requirements for the secured storage and transmission. Experimental results also verified that the proposed solution is effective to 3D printing data and is independent on the format of 3D printing models. When compared to the conventional works, the security and performance of the proposed solution is also better. View Full-Text
Keywords: 3D printing; 3D printing data; 3D printing security; discrete cosine transform; geometric transformation 3D printing; 3D printing data; 3D printing security; discrete cosine transform; geometric transformation
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Pham, G.N.; Lee, S.-H.; Kwon, O.-H.; Kwon, K.-R. Two-Dimensional (2D) Slices Encryption-Based Security Solution for Three-Dimensional (3D) Printing Industry. Electronics 2018, 7, 64.

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