Developing new Multilevel security algorithm for data encryption-decryption (MLS_ED)

Rasras, Rashad J.

doi:10.30534/ijatcse/2019/90862019

Cited by 6 publications

(5 citation statements)

References 6 publications

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“…The result of the avalanche effect should satisfy the probability of more than 50%. Such technique is also used in subsequent studies in LBC [34], [35], [36].…”

Section: Avalanche Effectmentioning

confidence: 99%

Modified Round Function of SIMECK 32/64 Block Cipher

Encarnacion¹

2020

IJATCSE

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Lightweight Block Cipher's (LBC) various algorithms need to meet the security requirements for all resource-constrained devices and Internet of Things (IoT) technologies. Various LBC addressed such concerns as the SIMON and SPECK block ciphers, which are known for security and performance. SIMECK, a combination of SIMON and SPECK, shows better performance. However, the SIMECK round function remains a concern. This paper aims to present a modification on the SIMECK round function method simulated on its circular and ARX structure. It took at least seven attempts to reach the appropriate structure. The seventh modification had a circular parameter of (3,5) and a change of right-shift on the structure. The results show that the modified round function achieves 54.58% average on the avalanche effect, the runtime performance of 1.3945ms with a randomness p-value of 0.46931 compared with p-value 0.51512 of the original algorithm. The study explores the ARX structure of LBC, which leads to a good venue to implement with other block ciphers. It is recommended that further evaluation of the modified algorithm will be conducted to test its efficiency, like to verify its vulnerability through different attacks.

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“…The result of the avalanche effect should satisfy the probability of more than 50%. Such technique is also used in subsequent studies in LBC [34], [35], [36].…”

Section: Avalanche Effectmentioning

confidence: 99%

Modified Round Function of SIMECK 32/64 Block Cipher

Encarnacion¹

2020

IJATCSE

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“…Most encryption operations depend on the use of a private secret key [5][6][7], as this key is used in the process of executing some specific operations on the secret data to generate destructive and incomprehensible data [8,9] as shown in the Figure 1. In order to generate data that is similar to the original secret data without ever losing any data or any part of it, the decryption process is carried out using the specified operations on the secret key and the encrypted data [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Efficient Method to Message-Image Cryptography Using Reordered Image-Key

J.¹,

Abu²,

Ziad³

2023

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Color image may be secret or holding secret data, also secret messages may be so confidential. To protect these data, we have to use a simple and efficient method. In this research a method of data encryption-decryption will be presented. The suggested method will use a complicated PK to apply image encryption/decryption using XORing operation, the used image key will be reordered using a secret ordering sequence. Any modifications made to the PK during the decryption process will be regarded as a hacking attempt and result in corrupted decrypted data; hence, the encryption and decryption processes must employ the same secret information. The PK will provide an enormous key space that could resist any type of hacking attempts. The suggested method will be tested and the obtained results will be compared with those of DES and AES, the throughputs and speedup will be calculated. It will be shown how easily we can use encrypt decrypt color images with any size using a fix image key, and it will be shown how the suggested method maintain desirable values of MSE and PSNR parameters.

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“…Analogously, text and audio files have also been utilised to harbour concealed data. To the unassuming observer, such text or audio manifests as entirely innocuous [14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

“…A representation of the steganographic data model, as depicted in Figure 1, comprises the covering image, the covert message, the steganographic data method, and the resultant stego image [14][15][16][17][18][19].…”

Section: Introductionmentioning

confidence: 99%

Enhanced Efficiency and Security in LSB2 Steganography: Burst Embedding and Private Key Integration

Rasras,

Sara,

Alqadi

2023

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In the realm of digital colour image steganography, the utilisation of an image key for the extraction of essential covering stego-bytes from predetermined secret positions was explored. The traditional Least Significant Bit (LSB) and LSB2 methodologies were streamlined by substituting the logical operations within both the hiding and extraction functions with straightforward assignment operations. An enhancement was introduced to the LSB2 steganographic methods for secret message conveyance without compromising data hiding capacity. Instead of the conventional character-by-character embedding seen in the LSB2 method, the binary code of the concealed message was embedded in a burst manner within the covering image. Similarly, the extraction from the stego image was conducted in a burst fashion, leading to a reduction in the processes required for both data hiding and extraction. As a result, shorter hiding and extraction durations were achieved, culminating in augmented data steganography throughput. For bolstering message security against potential breaches, the proposed ULSB2 method integrated a confidential private key (PK) composed of two double values. This key provisioned the necessary key space to deter hacking endeavours. A comparative analysis was conducted between the outcomes derived from the ULSB2 method and those of prevailing techniques to delineate the enhancements in both quality and speed of message steganography.

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Developing new Multilevel security algorithm for data encryption-decryption (MLS_ED)

Cited by 6 publications

References 6 publications

Modified Round Function of SIMECK 32/64 Block Cipher

Modified Round Function of SIMECK 32/64 Block Cipher

Efficient Method to Message-Image Cryptography Using Reordered Image-Key

Enhanced Efficiency and Security in LSB2 Steganography: Burst Embedding and Private Key Integration

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