Traditional and Hybrid Encryption Techniques: A Survey

Dixit, Pooja; Gupta, Avadhesh Kumar; Trivedi, Munesh Chandra; Yadav, Veejendra K.

doi:10.1007/978-981-10-4600-1_22

Cited by 47 publications

(20 citation statements)

References 7 publications

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“…It is a symmetric crypto-algorithm that supports 128-bits block size input and uses 128, 192, and 256 bits variable key lengths, precomputed key-dependent S-boxes, and a complex key schedule [20]. Although it is considered to possess good security [15], [16], it was found to be vulnerable from some attacks including differential attack and related key attack [15], [17].…”

Section: Literature Reviewmentioning

confidence: 99%

“…Among symmetric algorithms, Blowfish is considered superior in terms of security, avalanche effect, throughput, memory usage, execution time, and power consumption [14]. It gives better performance compared to other algorithms [15] and demonstrated excellent security as it is known to have no successful attacks [15]- [17]. However, Blowfish became unfavorable to be used because of little block size support despite being known as an unbroken algorithm.…”

Section: Introductionmentioning

confidence: 99%

“…This paved way for its successors, Twofish and Threefish, to be desirably practical to use in many applications [17]. Nevertheless, both Twofish and Threefish offer good security, but, were found to be vulnerable to some attacks [15]- [17].…”

Section: Introductionmentioning

confidence: 99%

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Blowfish-128: A Modified Blowfish Algorithm That Supports 128-bit Block Size

2018

Proceedings of 2018 the 8th International Workshop on Computer Science and Engineering

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Symmetric crypto-algorithms are fast and extremely secure through strong key size. Among symmetric crypto-algorithms, Blowfish has shown superiority in performance amongst others and demonstrated excellent security as it is known to have no successful attacks. However, Blowfish algorithm became unfavorable to be used because of little block size support despite being known as an unbroken algorithm. In the present study, a novel modified version of the Blowfish cryptographic algorithm designed to support 128-bits block size input using dynamic selection encryption method and reduction of cipher function execution through randomly determined rounds is introduced. Experimental results on varied input lengths revealed that the modifications improved on performance and execution time, and increased the degree of complexity, and diffusion. The modification provided an additional layer of security that makes the virtual world safer and more resilient to attacks by unauthorized parties.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Blowfish-128: A Modified Blowfish Algorithm That Supports 128-bit Block Size

2018

Proceedings of 2018 the 8th International Workshop on Computer Science and Engineering

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“…If a single key is used to perform all three rounds in Triple DES then the key size remains to 56 bits without parity bits that is if only one key leaked the complete procedure gets broken. While if two different keys are used each of 56 bits without parity bits then the total size of key becomes 112 bits [6]. It is also vulnerable as if a single key is determined the other could be determined easily.…”

Section: Triple Desmentioning

confidence: 99%

Study & analysis of cryptography algorithms : RSA, AES, DES, T-DES, blowfish

Singh¹,

Kumar²

2017

IJET

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Cryptography is about protecting the data from third parties or from public to read confidential data. Cryptography mainly focuses on encrypting the data or we can say converting the data and decrypting the actual data or we can say reconverting the data by different methods. These encryption and decryption methods are based on mathematical theories and are implemented by computer science practices. But as cryptography progressed ways were found to decode the secured data and view actual data. This was also done by the use of mathematical theories and computer science practices. Popular algorithms which are used in today's world are, AES (Advance Encryption Standard), Blowfish, DES (Data Encryption Standard), T-DES (Triple Data Encryption Standard), etc. Some of the previously known algorithms were RSA (Rivest-Shamir-Adleman), ECC (Elliptic curve cryptography), etc. These algorithms have their own advantages and drawbacks. But as people were progressing more in breaking them down, these algorithms were supported by digital signatures or hash done by different algorithms like MD5, SHA, etc. By these means data integrity, data confidentiality, and authentication of data are maintained. But as the things are progressing it seems that new advancements are always needed in the field of cryptography to keep the data secure.

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“…The data encryption is the most traditional approach that secures highly confidential information by employing some conventional algorithm, which already exists or is pre-written. The key generation is one of the most important part of the encryption process [4]. Two methods of key generation exist: symmetric key generation and asymmetric key generation [5].…”

Section: Introductionmentioning

confidence: 99%

VLSI Implementation of Hybrid Cryptography Algorithm Using LFSR Key

Acholli¹,

Ningappa²

2019

IJIES

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The security and confidentiality of the information has become a significant factor in the communication field. Several techniques for encryption and decryption are proposed to promote the security of the communication systems. Most powerful and significant part of the encryption is a key generation. Presently, hackers are able to break the key with help of the modern high computing machines. In this research, hybrid cryptographic algorithm -Extended Tiny Encryption Algorithm (XTEA) combined with International Data Encryption Algorithm (IDEA) was implemented for improving the security in real-time applications. A large key size ensures the randomness, but proportionally maximizes the network load with high complexity. To overcome this problem, the random numbers were generated using a Linear Feedback Shift Register (LFSR) scheme for key function. This algorithm was appropriate for encryption and decryption of online streaming data. The proposed method is named as International Data -Extended Tiny based Encryption Algorithm -LFSR (ID-XT-EA-LFSR) method. The ID-XT-EA-LFSR method improves the FPGA performances up to 50.43% compared to the QTL, DROM-CSLA-QTL and XTEA algorithms.

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Traditional and Hybrid Encryption Techniques: A Survey

Cited by 47 publications

References 7 publications

Blowfish-128: A Modified Blowfish Algorithm That Supports 128-bit Block Size

Blowfish-128: A Modified Blowfish Algorithm That Supports 128-bit Block Size

Study & analysis of cryptography algorithms : RSA, AES, DES, T-DES, blowfish

VLSI Implementation of Hybrid Cryptography Algorithm Using LFSR Key

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