JPEG mage encryption with Elliptic Curve Cryptography

Bakhtiari, Saeid; Ibrahim, Subariah; Salleh, Mazleena; Bakhtiari, Majid

doi:10.1109/isbast.2014.7013111

Cited by 8 publications

(16 citation statements)

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“…This yields an entropy of 7.99986 for the Lena image. In [5] authors introduced a new technique combining both image compression and encryption techniques. An Elliptic curve cryptography encryption technique is deployed during and before traditional JPEG compression technique for more security and size reduction.…”

Section: The Related Workmentioning

confidence: 99%

“…The entropy obtained for different images when encrypted using ECC alone are tabulated in the Table [4]. Similarly, the entropy values of different document images when encrypted using Hybrid scheme are tabulated in Table [5]. The entropy of the cipher image for the input Lena image with ECC alone is 7.5984, while for the same image with hybrid scheme is 7.9997.…”

Section: Entropymentioning

confidence: 99%

“…While finding the PSNR, the cipher image is considered as a noisy image. The PSNR values obtained for different document images are tabulated in Table [4,5] against the ECC scheme and the hybrid scheme.…”

Section: Entropymentioning

confidence: 99%

“…The proposed encryption scheme is fed with a set of different document images for the system with ECC and the hybrid system. The MSE obtained for different images using ECC and Hybrid schemes are tabulated in Table [4,5]. The results shows that the MSE is more in the case of hybrid encryption scheme than in the case of ECC alone.…”

Section: Entropymentioning

confidence: 99%

“…The multiplication, KG in the above equation is repeating the addition of the point G for K number of times using the equations (4) and (5). The initial value for a and b are -1 and 188 respectively.…”

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Hybrid Method of Document Image Encryption using ECC and Multiple Chaotic Maps

C R*,

2019

IJRTE

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Document imaging is one of the most important technology used to preserve, retrieve and to transmit old documents over the internet. Since open network threatens the security of such documents from being intercepted, the proposed scheme intends to provide enhanced security for such documents. The proposed hybrid algorithm includes Elliptic Curve Cryptography (ECC), and mixed chaotic system. The ECC encrypts the plain image based on the elliptic points generated by selecting a prime number. The mixed chaotic map includes twodimensional logistic map and three-dimensional Lorenz map. The 2D logistic map is used for confusing the ECC encrypted image and 3D Lorenz map is used for diffusing the confused image. The two levels of confusion, first with byte level and second with bit level are introduced. The two levels of diffusion, first level with Lorenz map and second level with Fibonacci sequences are introduced. Better net pixel change rate and unified average change intensity with flat histogram and low correlation are achieved in this method. The key Sensitivity, Entropy, Mean Square Error, and Peak Signal to Noise Ratio analysis reveal that the proposed method is resistant to any external invasion. The encryption and decryption speed is increased by using programming techniques. The robustness of the algorithm is also checked and found to be robust against noise and loss of information.

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Section: The Related Workmentioning

confidence: 99%

Section: Entropymentioning

confidence: 99%

Section: Entropymentioning

confidence: 99%

Section: Entropymentioning

confidence: 99%

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confidence: 99%

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