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A New Threshold-Authenticated Encryption Scheme

In: International Conference on Mathematical Sciences and Statistics 2013

Author

Listed:
  • Mohd Saiful Adli Mohamad

    (Universiti Utara Malaysia, School of Quantitative Sciences, UUM College of Arts and Sciences)

  • Eddie Shahril Ismail

    (Universiti Kebangsaan Malaysia, School of Mathematical Sciences, Faculty of Sciences and Technology)

  • Haslinda Ibrahim

    (Universiti Utara Malaysia, School of Quantitative Sciences, UUM College of Arts and Sciences)

Abstract

An authenticated encryption scheme is a message recovery scheme that provides the authenticity property. In an authenticated encryption scheme, the recipients not only verify the message authentication, but they also could recover the message. In this paper, we propose a new authenticated encryption scheme based on two hard number theoretical problems: factoring and discrete logarithm. In our new scheme, t out of n signers/senders are required to sign and at the same time encrypt a message, while k out of l recipients cooperate to verify and recover the original message. We also show that our scheme is secure against some cryptographic attacks and requires reasonable number of operations in both signature/encryption and verification/decryption phases.

Suggested Citation

  • Mohd Saiful Adli Mohamad & Eddie Shahril Ismail & Haslinda Ibrahim, 2014. "A New Threshold-Authenticated Encryption Scheme," Springer Books, in: Adem Kilicman & Wah June Leong & Zainidin Eshkuvatov (ed.), International Conference on Mathematical Sciences and Statistics 2013, edition 127, pages 247-253, Springer.
    • Handle: RePEc:spr:sprchp:978-981-4585-33-0_25
    DOI: 10.1007/978-981-4585-33-0_25
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