Secure multicast key protocol for electronic mail systems with providing perfect forward secrecy

Chen, Hsing‐Chung

doi:10.1002/sec.536

Cited by 12 publications

(9 citation statements)

References 20 publications

(39 reference statements)

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“…The calculation of the rate of change in the number of pixels between the two cipher images or texts after changing one bit in the original key is undertaken by using the NPCR. On the other hand, the key space (2 n ) determined by the number of bits ( n ) used in the key, is a measure of robustness to brute force attacks .…”

Section: Methodsmentioning

confidence: 99%

A novel extreme learning machine‐based cryptography system

Atee

Ahmad

Noor

et al. 2016

Security Comm Networks

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Extreme Learning Machine (ELM) is a well‐known algorithm for the training of neural networks for two modes of functionality: regression and classification. This paper presents a novel model using ELM in ciphering. The study begins with an investigation of the Real‐time Recurrent Neural Network (RRNN) derived from the gradient‐based learning for symmetric cipher. The weakness of this cipher is that the error converges to zero, and that the RRNN will not change regardless of how the plaintext is changed. Given the nature of the ELM, a technique with an ELM‐based cipher is proposed to provide the capability of performing the training independently from the input and the error gradient. Different simulation scenarios were used to evaluate and validate the effectiveness of the proposed cipher. Results revealed that the ELM‐based cipher performed better than RRNNs, especially in terms of security. Moreover, the ELM‐based cipher demonstrated significantly competing performance for a wide range of evaluation measures. Using an ELM‐based cipher instead of an AES or other type of ciphers has the added advantage of providing an addition level of security—by allowing the user to change the algorithmic core of the cipher by simply changing the weights of the neural network. This allows hardware programmed ciphers to be more secure while costing less compared to other ciphers. Copyright © 2016 John Wiley & Sons, Ltd.

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Section: Methodsmentioning

confidence: 99%

A novel extreme learning machine‐based cryptography system

Atee

Ahmad

Noor

et al. 2016

Security Comm Networks

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“…In 2013, Zhang and Takagi [45] constructed an anonymous multireceiver encryption scheme and used the scheme to deploy a group e-mail systems. Chen [46] gave a multicast key protocol for e-mail systems that can provide forward secrecy.…”

Section: B Related Workmentioning

confidence: 99%

Efficient Deniably Authenticated Encryption and Its Application to E-Mail

Zhong

Takagi

2016

IEEE Trans.Inform.Forensic Secur.

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Confidentiality and authentication are two main security goals in secure electronic mail (e-mail). PGP and S/MIME are two famous secure e-mail solutions. Both PGP and S/MIME use digital envelope to provide message confidentiality and digital signature to provide message authentication. However, these methods have the following two weaknesses: (1) digital signature provides non-repudiation evidence of sender that is not desired in some e-mail applications; (2) efficiency is low since these methods use two kinds of public key cryptographic primitives: public key encryption and digital signature. To overcome the above two weaknesses, we introduce a new concept called deniably authenticated encryption that can achieve confidentiality, integrity and deniable authentication in a logical single step. We first propose a deniably authenticated encryption scheme and prove its security in the random oracle model. Then we design a secure e-mail protocol using the proposed deniably authenticated encryption scheme. The deniable authentication property protects senders' privacy.

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“…Despite many solutions (Chen et al 2014a, b;Chen 2013;Chen and Epa 2014;Loukas et al 2012) that are available now that provide the end-to-end (E2E) secure communications, most of them are using the classical ciphers, traditional symmetric cryptosystems and public key cryptography which are dealing with processing the secure communications among a variety of personal computers and server platforms, the solutions designed for MC are not suitable for H2H and secure MC group communication. However, several developments (Chen et al 2014b;Chen 2013;Chen and Epa 2014;Loukas et al 2012) provide these services, but none of them offers real utility security and preserve the privacy of the end-users. Because the human's memory is limited, participants always use the easily remembered word or memorable things as the secret password.…”

Section: Introductionmentioning

confidence: 98%

“…In recent years, data confidentiality, authentication, integrity, non-repudiation, access control, and availability are the most important security services in security criteria that should be taken into account in secure applications and systems (Chen et al 2014a, b;Chen 2013;Chen and Epa 2014;Loukas et al 2012;Chen and Christiana 2014;Chen and Chuang 2010a, b). However, there are no provisions for such security services in both MC and MCS.…”

Section: Introductionmentioning

confidence: 98%

“…The processing capabilities of smart mobile phones are increasingly enhanced but they could not compete with the processing capabilities of personal computers. With the increasingly growing reliance on Mobile Chat System (MCS) on one hand, and the growing number of vulnerabilities and attacks on the other hand, there are lots of increasing demands for the security solutions (Chen 2013;Chen and Epa 2014;Loukas et al 2012). There are also some additional security problems, in the wireless media, which are not the cases in wired system.…”

Section: Introductionmentioning

confidence: 98%

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A secure group-based mobile chat protocol

Chen

Mao

Lin

et al. 2016

J Ambient Intell Human Comput

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In recent years, many mobile services have been exploited based on the smartphone platform. For example, huge mobile applications (APPs) created for the mobile communication services which are not only for voice services, but also for social networking services. Therefore, the Mobile Chat (MC) services plays a very important role in current social networking. With the increasingly growing reliance on the Mobile Chat System (MCS) in one hand, and the growing number of vulnerabilities and attacks on the other hand, there are lots of increasing demands for their security solutions. In spite of the critical role of MCS in the representative internet mobile user's life, electronic MC services are not secure enough. Thus, both the Secure End-to-End Secure Mobile Chat (SE2E-MC) scheme and Secure Group-based Mobile Chat (SG-MC) scheme are provided the suitable solutions. The SG-MC scheme and its associated requirements are also designed in this paper. The scheme is implemented to provide mutual authentication and prevent the password guessing attack and the undetectable on-line password guessing attack. Finally, the scheme could prevent the password-based authentication, and provide the passwordbased key agreement (AKA) with easily remembered characteristic.

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Secure multicast key protocol for electronic mail systems with providing perfect forward secrecy

Cited by 12 publications

References 20 publications

A novel extreme learning machine‐based cryptography system

A novel extreme learning machine‐based cryptography system

Efficient Deniably Authenticated Encryption and Its Application to E-Mail

A secure group-based mobile chat protocol

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