Ashok Kumar Das

Summary

Publications

  1. doi request reprint A Secure and Robust User Authenticated Key Agreement Scheme for Hierarchical Multi-medical Server Environment in TMIS
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 39:92. 2015
  2. doi request reprint A secure user anonymity-preserving three-factor remote user authentication scheme for the telecare medicine information systems
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 39:30. 2015
  3. doi request reprint A secure and robust password-based remote user authentication scheme using smart cards for the integrated EPR information system
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 39:25. 2015
  4. doi request reprint An enhanced biometric authentication scheme for telecare medicine information systems with nonce using chaotic hash function
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 38:27. 2014
  5. doi request reprint An improved and effective secure password-based authentication and key agreement scheme using smart cards for the telecare medicine information system
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 37:9969. 2013
  6. doi request reprint A secure and efficient uniqueness-and-anonymity-preserving remote user authentication scheme for connected health care
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 37:9948. 2013
  7. pmc A robust and effective smart-card-based remote user authentication mechanism using hash function
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad 500 032, India
    ScientificWorldJournal 2014:719470. 2014
  8. doi request reprint An effective and secure key-management scheme for hierarchical access control in E-medicine system
    Vanga Odelu
    Department of Mathematics, Rajiv Gandhi University of Knowledge Technologies, Hyderabad, 500 032, India
    J Med Syst 37:9920. 2013

Collaborators

  • Vanga Odelu
  • Adrijit Goswami

Detail Information

Publications8

  1. doi request reprint A Secure and Robust User Authenticated Key Agreement Scheme for Hierarchical Multi-medical Server Environment in TMIS
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 39:92. 2015
    ..In addition, our scheme supports extra functionality features as compared to other related schemes. As a result, our scheme is very appropriate for practical applications in TMIS. ..
  2. doi request reprint A secure user anonymity-preserving three-factor remote user authentication scheme for the telecare medicine information systems
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 39:30. 2015
    ..Furthermore, our scheme is also efficient as compared to other related schemes. ..
  3. doi request reprint A secure and robust password-based remote user authentication scheme using smart cards for the integrated EPR information system
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 39:25. 2015
    ....
  4. doi request reprint An enhanced biometric authentication scheme for telecare medicine information systems with nonce using chaotic hash function
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 38:27. 2014
    ..Our scheme is also efficient as compared to Awasthi-Srivastava's scheme. ..
  5. doi request reprint An improved and effective secure password-based authentication and key agreement scheme using smart cards for the telecare medicine information system
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 37:9969. 2013
    ....
  6. doi request reprint A secure and efficient uniqueness-and-anonymity-preserving remote user authentication scheme for connected health care
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad, 500 032, India
    J Med Syst 37:9948. 2013
    ..In addition, after successful authentication between the user and the server, they establish a secret session key shared between them for future secure communication...
  7. pmc A robust and effective smart-card-based remote user authentication mechanism using hash function
    Ashok Kumar Das
    Center for Security, Theory and Algorithmic Research, International Institute of Information Technology, Hyderabad 500 032, India
    ScientificWorldJournal 2014:719470. 2014
    ..In addition, our scheme performs significantly better than other existing schemes in terms of communication, computational overheads, security, and features provided by our scheme. ..
  8. doi request reprint An effective and secure key-management scheme for hierarchical access control in E-medicine system
    Vanga Odelu
    Department of Mathematics, Rajiv Gandhi University of Knowledge Technologies, Hyderabad, 500 032, India
    J Med Syst 37:9920. 2013
    ..Moreover, dynamic access control problems in our scheme are also solved efficiently compared to other related schemes, making our scheme is much suitable for practical applications of e-medicine systems...