A CRYPTO SYSTEM USING VIGENERE AND POLYBIUS CIPHER
K V Bhavana, D J Banushree, D Bhumika, K B Chaitanya, Prof. Raghu B R · International Journal of Engineering Applied Sciences and Technology · 2021
The Cryptography is a Greek word which implies the craft of ensuring data by changing it into a muddled organization and unreadable format. Cryptography is a method to secure sensitive data for storage and communication in the presence of third parties called adversaries. It is a mix of arithmetic and software engineering. The drastic growth of the Internet over a period of time made an unintentional security. Even though security is the measure worries over the internet, numerous applications have been created and structured without considering fundamental destinations of data security that is confidentiality, authentication, and protection. To gain some undesirable clients or individuals to gain admittance to the data, cryptography is required. This paper introduces a new hybrid security cipher by combining the two most important Ciphers such as Polybius Cipher and Vigenere Cipher. This hybrid encryption cipher provides greater security as compared to classic ciphers.