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<p>In this paper, we propose a unique method to enhance the security of the Perfect Forward Secrecy (PFS)-based encryption scheme by introducing an additional key in each session. This additional key is intended to prevent modified known-plaintext attacks (mKPA) and modified chosen-plaintext attacks (mCPA). To evaluate the strength of the proposed cryptosystem, we performed numerical simulations using MATLAB. The results of the numerical analysis demonstrate the effectiveness and security of the system. In addition, the strength of the scheme has also been assessed using various metrics. The proposed technique provides enhanced security due to the incorporation of various parameters. The technique also generates numerous security keys and exhibits robustness against a wide range of potential attacks. Numerical simulations confirm the effectiveness and security of the proposed technique.</p>

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A secure optical image encryption approach with triplet perfect forward secrecy keys against modified known- and chosen-plaintext attacks

  • 期刊论文

  • 发表日期：

    2026年3月10日

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  • Hukum Singh,
  • Savita Anjana,
  • Kapil Shankar Gaur

摘要

In this paper, we propose a unique method to enhance the security of the Perfect Forward Secrecy (PFS)-based encryption scheme by introducing an additional key in each session. This additional key is intended to prevent modified known-plaintext attacks (mKPA) and modified chosen-plaintext attacks (mCPA). To evaluate the strength of the proposed cryptosystem, we performed numerical simulations using MATLAB. The results of the numerical analysis demonstrate the effectiveness and security of the system. In addition, the strength of the scheme has also been assessed using various metrics. The proposed technique provides enhanced security due to the incorporation of various parameters. The technique also generates numerous security keys and exhibits robustness against a wide range of potential attacks. Numerical simulations confirm the effectiveness and security of the proposed technique.