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Security of sensitive information at the time of transmission over public channels is one of the critical issues in digital society. The DNA-based cryptography technique is a new paradigm in the cryptography field that is used to protect data during transmission. In this paper we introduce the asymmetric DNA cryptography technique for encrypting an...
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... process at the sender consists of 14 security levels. On the other hand, the RSA cryptography system is not used to encrypt a PT; rather, it is used as a helper function to generate the DNA Dynamic Sequence Table (DDST), the round keys RK i , i = 1, 2, 3, . . . , 14, and the Start Decryption Key (SDK) during the encryption process, as shown in Fig. 2. The SDK is combined with the CT and is used to initiate the decryption ...
Context 2
... process at the sender consists of 14 security levels. On the other hand, the RSA cryptography system is not used to encrypt a PT; rather, it is used as a helper function to generate the DNA Dynamic Sequence Table (DDST), the round keys RK i , i = 1, 2, 3, . . . , 14, and the Start Decryption Key (SDK) during the encryption process, as shown in Fig. 2. The SDK is combined with the CT and is used to initiate the decryption ...
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Citations
... These algorithms lack a theoretical approach, which makes modeling excellent DNA cryptographicschemes difficult [6]. Playfair cipher [9] , a symmetric encryption algorithm, which takes two nearby characters in the plaintext as single units and changes over them into cipher text. In the initial step the key is processed i.e., expel all the rehashed characters from the key and arrange the remaining key characters in a predefined 5x5 letter set framework (Table.1). ...
... The receiver performed the reverse process and gets the plaintext. Here, the key is generated randomly and for each communication new key was generated [9]. Vinay Cui designed an encryption scheme by using DNA digital coding, PCR amplification and DNA synthesis and also use the traditional cryptography theory. ...
One kind of encryption that makes use of DNA to encode and decode data is called "DNA cryptography." DNA sequences, with their peculiar arrangement of information, may be used to easily apply security measures for sensitive data. Though much has been studied and numerous algorithms have been created for concealing the data, DNA sequence based data encryption seems to be an efficient option for addressing the existing information security demands. The work applies the classic Playfair cipher to DNA cryptography. There are 26 different alphabets, however only 25 are used in the key matrix of a standard matrix since the key matrix is only 5 by 5. In this study, we employ genetic algorithms to produce the key, and an 8x8 key matrix containing 64 DNA codons to increase security. Although the encryption method has been improved, it still follows some of the fundamental principles of the original Playfair Algorithm. To address these issues and strengthen the security of the Playfair method, the DNA codons are rearranged into an 8x8 matrix. The suggested approach is time-effective since it makes use of a LOOKUP table with 64 possible values (A..Z, a..z, 0..9, etc). Additionally, each transmission has a unique LOOKUP table arrangement. We implement the suggested approach and compare its runtime complexity to that of several well-known ciphers. To that end, this paper's primary contribution is a DNA-based security mechanism.
... Plain content is firstly changed over to binary organize and after that to DNA organize utilizing the DNA substitution. Asymmetric algorithms using public and private keys are introduced in [17]. ...
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DNA steganography is a technique that utilizes the DNA sequence as the basis for the secure transmission of critical data. This technique consists mainly of encrypting and hiding messages within the high capacity of DNA sequences in order to prevent adversaries from reading and decoding secret messages. However, the biometric system is a technological recognition system that processes information about an individual to distinguish them. Biometrics are used in many applications, including fingerprinting, iris scanning, and face recognition. This research will focus on the development of an effective and secure technique that combines steganography and cryptography. This method aims to protect the image of fingerprints in the communication channel while keeping the information confidential. The hiding process of the proposed system converts fingerprint images into a binary series, which is then added to the DNA sequence after applying the appropriate encryption method. The proposed technique utilizes the Feistel network in the encryption process and uses an insertion technique in the hiding process. It has a low cracking probability, high BPN numbers, and good execution times. During the hiding and decoding processes, the proposed system utilizes four different keys, which are chosen randomly, resulting in a high key space and ahigh key sensitivity. The proposed technique increases the noise by adding some random ambiguity bits at random positions in the fingerprint image. The experimental results show that the proposed system is resistant to several attacks, such as known-plaintext attacks and chosen-plaintext attacks. The proposed technique is limited to hiding only a small image inside the DNA and does not handle video, audio, or a large image size.
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Protecting sensitive information while transmitting data across communication channel is very important. The field of study which deals with transmitting information in an unreadable form isknown as cryptography. A modern cryptography technique, DNA Cryptography, is used to encode messages in the form of DNA genes. The DNA consists of four genes: Adenine (denotedby A), Cytosine (denoted by C), Thymine (denoted by T) and Guanine (denoted by G). The DNA encryption process converts the given messages in the form DNA sequences and the DNA decryption process converts the resulting DNA sequences in the original form. In this paper, the output of three different Symmetric Cryptographic algorithms: DES, AES and Blowfish are compared in terms of average encryption time, average decryption time for different datasets and the effect of length of plaintext on encryption time and decryption is analyzed so as to measure the performance of those algorithms. While comparing the above algorithm it is found that: The AES based DNA Cryptography algorithm takes more encryption and decryption time while the DES based DNA algorithm takes less encryption time and the Blowfish based DNA algorithm takes less decryption time. The result also shows that the decryption time is much faster as compared to that of encryption time.
In a time where preserving data privacy is vital, encryption serves a pivotal role in protecting information from unauthorized intrusion. This review examines its application in encrypting and decrypting text data, shedding light on its mechanisms and practical implications. The encryption algorithm utilizes advanced cryptographic techniques to safeguard the confidentiality of messages exchanged. The purpose of cryptography encryption and decryption method leveraging for secure communication. This review provides a comprehensive overview of AES encryption and decryption, highlighting its strengths, weaknesses, and practical considerations. It effectively communicates the importance of AES in securing text data while acknowledging its limitations and areas for improvement.
DNA steganography is a technique for securely transmitting important data using DNA sequences. It involves encrypting and hiding messages within DNA sequences to prevent unauthorized access and decoding of sensitive information. Biometric systems, such as fingerprinting and iris scanning, are used for individual recognition. Since biometric information cannot be changed if compromised, it is essential to ensure its security. This research aims to develop a secure technique that combines steganography and cryptography to protect fingerprint images during communication while maintaining confidentiality. The technique converts fingerprint images into binary data, encrypts them, and embeds them into the DNA sequence. It utilizes the Feistel network encryption process, along with a mathematical function and an insertion technique for hiding the data. The proposed method offers a low probability of being cracked, a high number of hiding positions, and efficient execution times. Four randomly chosen keys are used for hiding and decoding, providing a large key space and enhanced key sensitivity. The technique undergoes evaluation using the NIST statistical test suite and is compared with other research papers. It demonstrates resilience against various attacks, including known-plaintext and chosen-plaintext attacks. To enhance security, random ambiguous bits are introduced at random locations in the fingerprint image, increasing noise. However, it is important to note that this technique is limited to hiding small images within DNA sequences and cannot handle video, audio, or large images.
The main aim of this paper is to introduce the relationship between the topic of coding theory and the projective space in field
three and test the code. The maximum value of size of code over finite field of order three and an incidence matrix with the
parameters, n (length of code), d (minimum distance of code) and e (error-correcting of code) have been constructed. With a
theorem and a result that test the code if it is perfect or not.
