Secret Writing in DNA using Dynamic Encoding Table

The concept of exploiting the advantages of DNA computing in the field of cryptography has lead to the creation of unbreakable algorithms. DNA cryptography is an emerging field of cryptography where each letter of the text is converted to a different combination of the four bases that make up the human DNA. Existing DNA cryptographic techniques use fixed substitution tables or static hashing techniques for encoding, which may make the system vulnerable to attacks. In this research, a dynamic encoding table is used for alphabetical encoding of the text which provides high resistance to attacks. Encoding is followed by Factoring and Priming which makes the technique more secure. In this, the encoded string is cut into smaller sequences which provide parallelism in further operations and this ensures high performance computing. The proposed methods make the algorithm extremely resistant to security attacks and unbreakable.