A Novel Improvement With an Effective Expansion to Enhance the MD5 Hash Function for Verification of a Secure E-Document

MD5 is a one-way cryptographic function used in various fields for maintaining data integrity. The application of a Hash function can provide much protection and privacy and subsequently reduce data usage. Most users are familiar with validating electronic documents based on a Hash function, such as...

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Bibliographic Details
Published in:IEEE access 2020, Vol.8, p.80290-80304
Main Authors: Mohammed Ali, Ammar, Kadhim Farhan, Alaa
Format: Article
Language:English
Subjects:
Algorithms
Authentication
chaotic system
Cryptography
Data encryption
Data integrity
Electronic documents
Encoding
Encryption
Force
Hash based algorithms
Heuristic algorithms
High resistance
Integrity
LFSR
Linear feedback shift registers
MD5 hash function
Permutations
Ribonucleic acid
Ribonucleic acid (RNA)
RNA
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Summary:MD5 is a one-way cryptographic function used in various fields for maintaining data integrity. The application of a Hash function can provide much protection and privacy and subsequently reduce data usage. Most users are familiar with validating electronic documents based on a Hash function, such as the MD5 algorithm and other hash functions, to demonstrate the data integrity. There are many weaknesses of the current MD5 algorithm, mainly its failures and weaknesses against varying types of attacks, such as brute force attacks, rainbow table attacks, and Christmas attacks. Therefore, the method proposed in this paper enhances the MD5 algorithm by adding a dynamic variable length and a high efficiency that simulates the highest security available. Whereas the logistic system was used to encode ribonucleic acid (RNA) by generating a random matrix based on a new key that was created using the initial permutation (IP) tables used in the data encryption stander (DES) with the linear-feedback shift register (LFSR), this work proposes several structures to improve the MD5 hash function. The experimental results demonstrate its high resistance to hackers while maintaining a suitable duration. This paper discusses the design of a confident hash algorithm. This algorithm has characteristics that enable it to succeed in the field of digital authentication and data integrity.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2020.2989050