Volume 13 (2021)
Volume 12 (2020)
Volume 11 (2019)
Volume 10 (2018)
Volume 9 (2017)
Volume 8 (2016)
Volume 7 (2015)
Volume 6 (2014)
Volume 5 (2013)
Volume 4 (2012)
Volume 3 (2011)
Volume 2 (2010)
Volume 1 (2009)
1. Privacy Preserving Attribute-Based Encryption with Conjunctive Keyword Search for E-health Records in Cloud

Aniseh Najafi; Majid Bayat; Hamid Haj Seyyed Javadi

Volume 13, Issue 2 , Summer and Autumn 2021, , Pages 87-100


  The advent of cloud computing in the healthcare system makes accuracy and speed increased, costs reduced, and health services widely used. However, system users are always seriously concerned about the security of outsourced data. The ciphertext-policy attribute-based encryption (CP-ABE) is a promising ...  Read More

2. An efficient certificateless signcryption scheme in the standard model

P. Rastegari; M. Berenjkoub

Volume 9, Issue 1 , Winter and Spring 2017, , Pages 3-16


  Certificateless public key cryptography (CL-PKC) is a useful method in order to solve the problems of traditional public key infrastructure (i.e., large amount of computation, storage and communication costs for managing certificates) and ID-based public key cryptography (i.e., key escrow problem), simultaneously. ...  Read More

3. Computationally secure multiple secret sharing: models, schemes, and formal security analysis

S. Mashhadi

Volume 7, Issue 2 , Summer and Autumn 2015, , Pages 91-99


  A multi-secret sharing scheme (MSS) allows a dealer to share multiple secrets among a set of participants. in such a way a multi-secret sharing scheme (MSS) allows a dealer to share multiple secrets among a set of participants, such that any authorized subset of participants can reconstruct the secrets. ...  Read More

4. A traceable optimistic fair exchange protocol in the standard model

R. Ganjavi; M. Rajabzadeh Asaar; M. Salmasizadeh

Volume 7, Issue 1 , Winter and Spring 2015, , Pages 3-14


  An Optimistic Fair Exchange (OFE) protocol is a good way for two parties to exchange their digital items in a fair way such that at the end of the protocol execution, both of them receive their items or none of them receive anything. In an OFE protocol there is a semi-trusted third party, named arbitrator, ...  Read More