Comments on “How to repair the Hill cipher”

Rangel-Romero, Y.; Vega-García, R.; Menchaca-Méndez, Adriana; Acoltzi-Cervantes, D.; Martínez-Ramos, L.; Mecate-Zambrano, M.; Montalvo-Lezama, F.; Barrón-Vidales, J.; Cortez-Duarte, N.; Rodríguez-Henríquez, Francisco

doi:10.1631/jzus.a072143

Cited by 18 publications

(8 citation statements)

References 5 publications

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“…However, Hill-Cipher succumbs to a known plain-text attack [6] and another weakness is the very poor encryption quality for images with very close pixel values or with uniform background. To address these weaknesses we propose an improvement of the basic method with a Lagged Fibonacci Generators.…”

Section: A Image Encryption With Hill-cipher and Its Vulnerabilitiesmentioning

confidence: 99%

Securing the architecture of the JPEG compression by an dynamic encryption

Gmira

Hraoui

Saaidi

et al. 2015

2015 Intelligent Systems and Computer Vision (ISCV)

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In this article, we investigate image security for transmission in digital networks using a hybrid coding based on juxtaposed encryption and compression. We have proposed a new approach that integrates a dynamic Hill-Cipher encryption added to the step of quantizing of JPEG compression. A step by step demonstration is given in order to show the functioning of the crypto compression scheme constructed. This explanation justifies how to strategically integrate different operations of our crypto compression system. The effectiveness and robustness of our scheme is validated by measuring its security strength, its computational cost and the quality of reconstructed images (PSNR). The results showed that our new idea by both its generic fast encryption and its simple adaptation provides a reasonable complexity and a good compromise between security and compression rate, this crypto compression scheme is efficient and recommended for networks with low bandwidth especially for low-power devices.

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Section: A Image Encryption With Hill-cipher and Its Vulnerabilitiesmentioning

confidence: 99%

Securing the architecture of the JPEG compression by an dynamic encryption

Gmira

Hraoui

Saaidi

et al. 2015

2015 Intelligent Systems and Computer Vision (ISCV)

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“…Ismail et al [6] proposed a modified Hill cipher named HILLMRIV algorithm, a secret initial vector is used to obtain the unique key for enciphering. Rangel-Romero et al [7] claimed that HILLMRIV algorithm has few major drawbacks and it is still prone to Known-plaintext attacks.…”

Section: Introductionmentioning

confidence: 99%

Secured Data Transmission Using Modified LEHS Algorithm in Wireless Sensor Network

Thangammal¹,

Praveena²,

Parthasarathy³

2016

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In the ancient block Hill cipher, the cipher text is obtained by multiplying the blocks of the plain text with the key matrix. To strengthen the keymatrix, a double guard Hill cipher was proposed with two key matrices, a private key matrix and its modified key matrix along with permutation. In the ancient block Hill cipher, the cipher text is obtained by multiplying the blocks of the plain text with the key matrix. To strengthen the key matrix, a double guard Hill cipher was proposed with two key matrices, a private key matrix and its modified key matrix along with permutation. In this paper a novel modification is performed to the double guard Hill cipher in order to reduce the number of calculation to obtain the cipher text by using non-square matrices. This modified double guard Hill cipher uses a non-square matrix of order (p × q) as its private keymatrix.

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“…[7] tried to improve the security of the Hill cipher's by using initial vector (HiIlMRIV) that multiplies successively by some orders of the key matrix to produce the corresponding key of each block but it is also proved that this scheme is also vulnerable to known-plaintext attack. [9] presented that If Initial Vector is not chosen carefully, some of the new generated keys may not be invertible over Zm, this make encryption/decryption process useless . [10] improved the Hill cipher's security by using many random numbers.…”

Section: Introductionmentioning

confidence: 99%

Hybrid approach of image encryption using DNA cryptography and TF Hill Cipher Algorithm

Jangid

Mohmmad

Didel

et al. 2014

2014 International Conference on Communication and Signal Processing

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The Hill cipher algorithm is one of the symmetric key algorithms that have many variations but still not suited for all zeroes plaintext block. Chosen-plaintext attack can be possible on Toorani and Falahati Hill Cipher Algorithm by two closely related variants of Hill Cipher. In this paper we have presented a new approach of Hill Cipher (RDHili Cipher) using DNA cryptography and TFHiII Cipher to overcome the drawbacks of TFHili. We implement this algorithm for image encryption in which firstly the image will be converted into binary value and the nibble of binary value will be rotated, then it will be converted into DNA, and then DNA to Amino Acids. Secondly TFHiII Cipher can be applied on Amino Acids.The output is measured for the security level based on Correlation, histogram and entropy. The experimental results showed that the combination technique resulted in a higher entropy value and lower correlation, and a more uniform histogram, compared to the Hill Cipher, affine Hill, TFHiII and SVK Hill Cipher. This implies the good quality of the retrieved image compared to the original one.

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Comments on “How to repair the Hill cipher”

Cited by 18 publications

References 5 publications

Securing the architecture of the JPEG compression by an dynamic encryption

Securing the architecture of the JPEG compression by an dynamic encryption

Secured Data Transmission Using Modified LEHS Algorithm in Wireless Sensor Network

Hybrid approach of image encryption using DNA cryptography and TF Hill Cipher Algorithm

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