Abstract
One of the essential challenges nowadays; is how to secure data with the increase of its volume as well as its transmission rate. The most frequent approach used to give a high degree of protection, preserve data from hackers, and accomplish multilayer security is steganography combined with encryption. DNA (Deoxyribonucleic Acid) is considered as a new promising carrier for data security while achieving powerful security and maximum protection. In this paper, a secure DNA cryptosystem model which combines steganography with encryption is introduced and categorized into two layers. The original data are hidden in the first layer into a reference DNA based on the insertion method to obtain a fake DNA sequence. In the second layer, this fake DNA sequence, which is the first layer's output, is encrypted using an indexing cipher to produce an encrypted message in the form of indexes. The proposed model guarantees multilayer security to the secret data with high performance and low-time wasting. It addresses the long-generation key problem of the DNA cryptography. The experimental results assess and validate the theoretical security analysis and model performance.
Highlights
DNA is one of the most recent fields used in cryptography due to the genome carrier's great storage capacity (1 gm. of DNA can store 106 TB of data) as well as its huge randomness
In [8], DNA steganography is introduced, in which data is encoded in DNA and hidden in microdots.A pioneer idea which is the essential concept for DNA indexing cipher is presented in [9] to encrypt text and image where The concept to use DNA computing in cryptography is introduced to improve the security of cryptosystems
A secure DNA cryptosystem is introduced to eliminate the DNA indexing cipher that appeared in the recent researches by combining another layer of insertion DNA steganography method with it
Summary
DNA is one of the most recent fields used in cryptography due to the genome carrier's great storage capacity (1 gm. of DNA can store 106 TB of data) as well as its huge randomness. In [8], DNA steganography is introduced, in which data is encoded in DNA and hidden in microdots.A pioneer idea which is the essential concept for DNA indexing cipher is presented in [9] to encrypt text and image where The concept to use DNA computing in cryptography is introduced to improve the security of cryptosystems. This is considered the basic idea of our work. A secure DNA cryptosystem is introduced to eliminate the DNA indexing cipher that appeared in the recent researches by combining another layer of insertion DNA steganography method with it
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