Different Types of Attacks on Block Ciphers

Hafez, Wageda; Saeed, Hala; Elwakeil, Ali N.

doi:10.35940/ijrte.c4214.099320

Cited by 7 publications

(36 citation statements)

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“…Theorem 1 (see [10,11]). Given m equations in n terms in GF(2 4 ), the algebraic attack resistance (AAR) which is called Γ can be expressed as…”

Section: The S-box Algebraic Performancementioning

confidence: 99%

“…Te National Institute of Standards and Technology (NIST) published several criteria to measure the S-box strength, such as strict avalanche criterion, nonlinearity, and bit independence criterion [10,11]. Tis work provides a simple novel fast way to image encryption based on a highly nonlinear algebraic function expanded by a DNA conversion algorithm to expand the number of S-boxes.…”

Section: Introductionmentioning

confidence: 99%

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Fast Novel Efficient S-Boxes with Expanded DNA Codes

Maolood

Farhan

El-Sobky

et al. 2023

Security and Communication Networks

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IoT is one of the most popular technologies in recent years due to the interconnection of various infrastructures, physical devices, and software. To guarantee the security of Internet of Things (IoT) pervasiveness, lightweight cryptographic solutions are needed and this requires lightweight cryptographic primitives. The choice of S-box in light block ciphers plays an important role in characterizing the security-performance trade-off. The choice of the 4 × 4 S-box for the lightweight constructions results in compact hardware, speeding up the computational capability of the security algorithm unlike the 8 × 8 S-box. This work presents efficient algebraic S-boxes for a fast image cryptosystem based on a strong nonlinear function which is expanded by a biological technique depending on DNA. The robustness of the proposed S-boxes is analysed and tested against various standard attack criteria such as interpolation attacks, avalanche effect, and nonlinearity. The great advantage of introducing S-boxes is that its DSAC is the ideal value which is equal to zero. Also, other tests executed on these S-boxes guaranteed its robustness and excellent security performance. Moreover, the experiments are applied with full description in two different modes; RGB and gray images. The results of all tests proved to have fast and strong effective S-boxes.

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“…Theorem 1 (see [10,11]). Given m equations in n terms in GF(2 4 ), the algebraic attack resistance (AAR) which is called Γ can be expressed as…”

Section: The S-box Algebraic Performancementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Fast Novel Efficient S-Boxes with Expanded DNA Codes

Maolood

Farhan

El-Sobky

et al. 2023

Security and Communication Networks

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“…iv. Camellia is vulnerable to square, integral, rectangle, and boomerang attacks [6], [7]. v. The Meet-in-the-Middle attack shows good progress on the Camellia [6].…”

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confidence: 99%

“…The existing literature, as provided in [6], [7], showed that intruders attack the Camellia algorithm. Linear Cryptanalysis (LC), Dierential Cryptanalysis (DC), boomerang, truncated dierentials, Meet-in-the-Middle, impossible dierential, and zero-correlation linear distinguisher are examples of cryptographic attacks [7], [9]. These attacks rely on distinguishers.…”

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confidence: 99%

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An Application of the Khumbelo Function on the Camellia Algorithm to Prevent Attacks in IoT Devices

Muthavhine,

Sumbwanyambe

2023

IEEE Access

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Camellia is an encryption algorithm implemented in many Internet of Things (IoT) devices. However, intruders attack the Camellia cipher using Substitution Box (S-Box) distinguishers. The distinguishers are tables that provide probabilities for guessing the secret keys of the algorithms. Distinguishers are used in the majority of attacks. The most wellknown distinguishers are Linear Approximation Table (LAT), Dierence-Distribution Table (DDT), and Dierential-Linear Connectivity Table (DLCT). This research focuses on preventing these attacks using a novel function called the Khumbelo function to distract the construction of S-Box distinguishers. The Khumbelo function distracted the distinguishers' constructions by reducing the probability of building the table. The Khumbelo function successfully decreased the attack probability of LAT (from 54.6875 percent to 0 percent), DDT (from 1.5625 percent to 0 percent), and DLCT (from 50.0000 percent to 0 percent). The Khumbelo function is generated using a 4-Byte output S-Box instead of the original 1-Byte output S-Box in Camellia. INDEX TERMS Camellia, Cryptographic Attacks, Internet of Things (IoT), IoT devices, K_Camellia, S-Box, The Khumbelo Function. I. INTRODUCTION T HE Internet of Things (IoT) is a modern critical system that connects devices, things, individuals, objects, digital machines, computers, and objects for the transmission of information [1]. IoT is emerging as an eective technique with devices in signicant elds to create unique networks [1] [2]. IoT customers use these networks depending on the task needed at that time, [3]. Companies use IoT devices and networks to exchange top secret and condential information, [4]. Some of this information is sent unencrypted or encrypted by algorithms that are vulnerable to attacks [4].Cryptographic algorithms are primarily used to ensure security and privacy [4]. One of the cryptographic algorithms used on IoT devices is Camellia. This study shows that dierent types of IoT devices use Camellia. Some S-Box-based cryptographic algorithms are compromised on IoT devices, including Camellia and Advanced Encryption Standard (AES). An S-Box, for example, could resist or allow attacks. Assume an S-Box with less than 32 output bits, such as in Camellia and AES, which have eight output bits [5]. In that case, intruders could easily construct dierent distinguishers to get the probability of guessing the encryption key. Camellia and AES share some similarities in that all S-Boxes in these two algorithms are built using similar transformations that take the multiplicative inverse over a nite eld, and they are all 8 x 8 in size [5]. Therefore, if an intruder could attack one S-Box, all S-Boxes would be vulnerable. According to the ndings of this study, these S-Boxes are vulnerable to various attacks. Cryptographic algorithms are unavoidable, but they must be designed in advance to withstand attacks [4].The existing studies show that intruders attack the Camellia algorithm with various attack methods. For instance:i. Camellia is vu...

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Efficient Image Encryption Based on New Substitution Box Using DNA Coding and Bent Function

et al. 2022

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This paper contributes to creating an unbreakable S-Box based on strong bent function expanded by DNA sequences and investigates and analyzes the strength of the proposed S-Box against major standard criteria and benchmarks such as interpolation attack, algebraic attack, avalanche effect, nonlinearity, and period. The outcome of the tests shows that the proposed S-box has good security, as well as it is passed all the randomness tests. On average, the results had after the tests applied have been come with SAC =0.50122, NL = 112, BIC =103.40625 and an iterative period with its maximum value = 256. The complexity of the proposed S-Box is increased with the getting algebraic expression of 255 terms which implies that the algebraic attack resistance = 2 160 . Based on the proposed S-Box, a candidate image enciphering scheme is also suggested to prove the strength of the S-Box. The analysis of the experiments that applied on two modes of images, gray images and RGB ones, supports the scheme's robustness against different differential and statical using standard criteria such as correlation coefficient analysis, information entropy, histogram analysis, unified average change intensity, number of pixels change rate and many others. This enforces the capability of using it in modern-day cryptosystems that utilized in multimedia data exchange.

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Different Types of Attacks on Block Ciphers

Cited by 7 publications

References 0 publications

Fast Novel Efficient S-Boxes with Expanded DNA Codes

Fast Novel Efficient S-Boxes with Expanded DNA Codes

An Application of the Khumbelo Function on the Camellia Algorithm to Prevent Attacks in IoT Devices

Efficient Image Encryption Based on New Substitution Box Using DNA Coding and Bent Function

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