A Hybrid Symmetric Key Cryptography Method to Provide Secure Data Transmission

  • Pankaj Kumar KeserwaniEmail author
  • Mahesh Chandra Govil
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 1241)


Confidentiality of data is required when it travels over the insecure network such as e-mail transfer using Pretty Good Privacy (PGP), image transfer, etc. The proposed symmetric cryptographic algorithm is suitable for such data transfer. A number of other algorithms can be formulated by combining the existing algorithms to incorporate the algorithms in the relevant applications. The modified algorithm for session key generation is a combination of Affine cipher and hill cipher. A systematic study of the symmetric-key algorithm consisting of multiple keys with regular dependency has been carried out in order to show the efficacy. Security analysis of the proposed algorithm reveals the weakness of the algorithm.


Pretty Good Privacy (PGP) Encryption Decryption Symmetric Algorithm Sender Receiver 



The authors express deep sense of gratitude to Computing Centre of National Institute of Technology, Sikkim India, where the work has been carried out.


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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Pankaj Kumar Keserwani
    • 1
    Email author
  • Mahesh Chandra Govil
    • 1
  1. 1.Department of Computer Science and EngineeringNational Institute of Technology SikkimRavanglaIndia

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