Thematische Bibliographien / Symmetric encryption techniques

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Auswahl der wissenschaftlichen Literatur zum Thema „Symmetric encryption techniques“

Autor: Grafiati

Veröffentlicht am 18. Mai 2024

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Zeitschriftenartikel zum Thema "Symmetric encryption techniques"

Parenreng‬, Jumadi Mabe, Sahraeni Maulida Mustari, and Abdul Wahid. "E-mail Security System Using El-Gamal Hybrid Algorithm and AES (Advanced Encryption Standard) Algorithm." Internet of Things and Artificial Intelligence Journal 2, no. 1 (2022): 1–9. http://dx.doi.org/10.31763/iota.v2i1.510.

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E-mail is a medium of long-distance communication via the internet, which is currently often used for message exchange needs. But the use of e-mail has security problems, especially regarding data leakage when sending messages via e-mail. One of the efforts to improve the security of data and information is the application of cryptographic techniques and methods, namely end-to-end encryption. Cryptography is the science of reducing the risk of security threats by encrypting and decrypting data and information. In the implementation of the e-mail system, at least 2 (two) suitable encryption techniques are needed, namely symmetric encryption techniques to encrypt messages and data to be sent via e-mail effectively and efficiently, and asymmetric encryption techniques used to distribute keys used by symmetric encryption. Therefore, in this study, we use the El-Gamal encryption model to distribute the symmetric key, and the AES encryption model is a fairly secure algorithm to protect message data or confidential information.

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Malhotra, Anoushka, Ashwin Arora, and Dr Manjot Kaur Bhatia. "Symmetric Cryptographic Approaches." International Journal for Research in Applied Science and Engineering Technology 10, no. 12 (2022): 718–21. http://dx.doi.org/10.22214/ijraset.2022.47982.

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Abstract: In recent decades, information security has become a major concern. They have recently been intensively investigated and developed because they need more encryption and decryption and are tough to breach. These constraints need the use of encryption. In recent years, several academics have developed numerous encryption algorithms, such as AES, DES, 3DES, RC4 Algorithm, Blowfish Algorithm, and others. Data encryption techniques have advanced from relatively easy routes to quite hard mathematical calculations to guarantee excellent communication security. This study compares and contrasts symmetric encryption techniques, as well as attack vulnerabilities

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Chowdhary, Chiranji Lal, Pushpam Virenbhai Patel, Krupal Jaysukhbhai Kathrotia, Muhammad Attique, Kumaresan Perumal, and Muhammad Fazal Ijaz. "Analytical Study of Hybrid Techniques for Image Encryption and Decryption." Sensors 20, no. 18 (2020): 5162. http://dx.doi.org/10.3390/s20185162.

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The majority of imaging techniques use symmetric and asymmetric cryptography algorithms to encrypt digital media. Most of the research works contributed in the literature focus primarily on the Advanced Encryption Standard (AES) algorithm for encryption and decryption. This paper propose an analysis for performing image encryption and decryption by hybridization of Elliptic Curve Cryptography (ECC) with Hill Cipher (HC), ECC with Advanced Encryption Standard (AES) and ElGamal with Double Playfair Cipher (DPC). This analysis is based on the following parameters: (i) Encryption and decryption time, (ii) entropy of encrypted image, (iii) loss in intensity of the decrypted image, (iv) Peak Signal to Noise Ratio (PSNR), (v) Number of Pixels Change Rate (NPCR), and (vi) Unified Average Changing Intensity (UACI). The hybrid process involves the speed and ease of implementation from symmetric algorithms, as well as improved security from asymmetric algorithms. ECC and ElGamal cryptosystems provide asymmetric key cryptography, while HC, AES, and DPC are symmetric key algorithms. ECC with AES are perfect for remote or private communications with smaller image sizes based on the amount of time needed for encryption and decryption. The metric measurement with test cases finds that ECC and HC have a good overall solution for image encryption.

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M, Sreekala, and Varghese Paul. "A Novel Hybrid Encryption Method for Multimedia Encryption Using Elliptic Curve Cryptography and TDMRC." International Journal of Emerging Research in Management and Technology 6, no. 7 (2018): 1. http://dx.doi.org/10.23956/ijermt.v6i7.178.

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We are in the era of digital revolution and the benefits are remarkable. People are much dependent on digital technology and can’t survive without it. With the advancement of Internet and its applications, we share a wide range of data including texts, images, audios and videos in a more extensive space and time scope that we never had before. This increases the need for security day by day. Cryptography is an art of Science that uses complex logic in order to design powerful encryption techniques. Both symmetric and asymmetric key encryptions have their own advantages. Time Dependant Multiple Random Cipher(TDMRC) code is one of the best symmetric encryption schemes. Elliptic curve cryptography(ECC) is widely used because of its less key size and faster key generation. This paper proposes a new method of hybrid encryption method using ECC and TDMRC.

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Pushpendra, Tiwari. "A study and comparison of the various cryptography technique standards within fifteen factors." i-manager's Journal on Digital Forensics & Cyber Security 1, no. 1 (2023): 21. http://dx.doi.org/10.26634/jdf.1.1.19134.

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This paper focuses on analyzing the performance of various encryption algorithms, namely RSA, ECC, and DSA, in terms of encrypting and decrypting sensitive data. Encryption is crucial for ensuring the security of data, and there are two types of encryption algorithms: Symmetric key and Asymmetric-key encryption. RSA is highly secure but has high computation time, whereas ECC provides equivalent security with lower computing power and battery usage. The study compares the implementation and analysis of DES, 3DES, AES, RSA, ECC, and DSA, highlighting their strengths and weaknesses. The paper aims to provide a comprehensive comparison of these cryptographic techniques, including their performances, to assist in selecting the most appropriate algorithm for specific applications.

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Kuppuswamy, Prakash, Saeed Qasim Yahya Al Khalidi Al-Maliki, Rajan John, Mohammad Haseebuddin, and Ahmed Ali Shaik Meeran. "A hybrid encryption system for communication and financial transactions using RSA and a novel symmetric key algorithm." Bulletin of Electrical Engineering and Informatics 12, no. 2 (2023): 1148–58. http://dx.doi.org/10.11591/eei.v12i2.4967.

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Today's digital data transmission over unsecured wired and wireless communication channels is making encryption algorithms an increasingly important tool for securing data and information. Hybrid encryption techniques combine encryption schemes of either two symmetric keys or both symmetric and asymmetric encryption methods, and that provides more security than public or private key single encryption models. Currently, there are many techniques on the market that use a combination of cryptographic algorithms and claim to provide higher data security. Many hybrid algorithms have failed to satisfy customers in securing data and cannot prevent all types of security threats. To improve the security of digital data, it is essential to develop novel and resilient security systems as it is inevitable in the digital era. The recommended algorithm scheme is a combination of the well-known Rivest Shamir Adleman (RSA) algorithm and a simple symmetric key (SSK) algorithm. The aim of this study is to develop a better encryption method using RSA and a newly proposed symmetric SSK algorithm. We believe that the proposed hybrid cryptographic algorithm provides more security and privacy.

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Ahamad, Md Martuza, and Md Ibrahim Abdullah. "Comparison of Encryption Algorithms for Multimedia." Rajshahi University Journal of Science and Engineering 44 (November 19, 2016): 131–39. http://dx.doi.org/10.3329/rujse.v44i0.30398.

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Cryptographic techniques play crucial role when users exchange information. Multimedia plays an important role in learning and sharing experiences. When multimedia contents are shared among the users, it faces security threats. Usually multimedia contents takes much space. Encryption technique should be time efficient. In this work we consider four encryption techniques: Blowfish, AES, XOR and RSA and four types of media content: text, image, audio and video. Simulation shows that AES is time efficient than others. Comparing between symmetric and asymmetric cryptography, symmetric cryptographic techniques take less time than asymmetric technique.

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Zhu, Bingxin, Puwen Wei, and Mingqiang Wang. "Adaptive Security of Broadcast Encryption, Revisited." Security and Communication Networks 2017 (2017): 1–16. http://dx.doi.org/10.1155/2017/1404279.

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We provide a strong security notion for broadcast encryption, called adaptive security in the multichallenge setting (MA-security), where the adversary can adaptively have access to the key generation oracle and the encryption oracle many times (multichallenge). The adversary specially can query for the challenge ciphertexts on different target user sets adaptively, which generalizes the attacks against broadcast encryptions in the real world setting. Our general result shows that the reduction of the adaptive secure broadcast encryption will lose a factor of q in the MA setting, where q is the maximum number of encryption queries. In order to construct tighter MA-secure broadcast encryptions, we investigate Gentry and Water’s transformation and show that their transformation can preserve MA-security at the price of reduction loss on the advantage of the underlying symmetric key encryption. Furthermore, we remove the q-type assumption in Gentry and Water’s semistatically secure broadcast encryption by using Hofheinz-Koch-Striecks techniques. The resulting scheme instantiated in a composite order group is MA-secure with constant-size ciphertext header.

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Parveen Sehgal, Satinder ,. "Design a Hybrid Algorithm for Data Encryption to Implementation in Database." Tuijin Jishu/Journal of Propulsion Technology 44, no. 4 (2023): 1328–37. http://dx.doi.org/10.52783/tjjpt.v44.i4.1037.

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In an era where digital data is increasingly prevalent, data encryption has become essential to information security. Because databases usually contain sensitive and significant data and are a popular target for cyberattacks, robust encryption solutions are necessary. This research proposes a novel hybrid encryption method that combines symmetric and asymmetric encryption approaches to safeguard databases. The recommended approach combines the security of asymmetric encryption with the speed of symmetric encryption to provide a dependable and efficient data protection solution. This paper introduces hybrid techniques by combining the two most essential algorithms AES and RSA algorithms with XORed Operation. This hybrid encryption algorithm provides more security as compared to existing hybrid algorithms. The implementation and result are also derived in the paper.

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Ubaidullah, Mohammad, and Qahtan Makki. "A Review on Symmetric Key Encryption Techniques in Cryptography." International Journal of Computer Applications 147, no. 10 (2016): 43–48. http://dx.doi.org/10.5120/ijca2016911203.

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