Password Authenticated Key Exchange and Protected Password Change Protocols

Chang, Ting Yi; Hwang, Min‐Shiang; Yang, Chou Chen

doi:10.3390/sym9080134

Cited by 2 publications

(1 citation statement)

References 14 publications

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“…Chang et al proposed password-authenticated key exchange and protected password change protocols that do not involve symmetric or asymmetric cryptosystems (see [24]), basing the security on the computational Diffie-Hellman assumption in the random oracle model. Nam et al presented a provably secure three-party password-only authenticated key exchange protocol (see [25]) that can run in only two rounds of communication.…”

Section: Related Workmentioning

confidence: 99%

Optimizing a Password Hashing Function with Hardware-Accelerated Symmetric Encryption

2018

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Password-based key derivation functions (PBKDFs) are commonly used to transform user passwords into keys for symmetric encryption, as well as for user authentication, password hashing, and preventing attacks based on custom hardware. We propose two optimized alternatives that enhance the performance of a previously published PBKDF. This design is based on (1) employing a symmetric cipher, the Advanced Encryption Standard (AES), as a pseudo-random generator and (2) taking advantage of the support for the hardware acceleration for AES that is available on many common platforms in order to mitigate common attacks to password-based user authentication systems. We also analyze their security characteristics, establishing that they are equivalent to the security of the core primitive (AES), and we compare their performance with well-known PBKDF algorithms, such as Scrypt and Argon2, with favorable results.

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Section: Related Workmentioning

confidence: 99%

Optimizing a Password Hashing Function with Hardware-Accelerated Symmetric Encryption

2018

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Keyless Smart Home: An application of Home Security and Automation

Dewani

Memon²,

Kumari

et al. 2018

Orient. J. Comp. Sci. and Technol

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The rapid and revolutionary advancement in technology has increased the demand for advanced ubiquitous mobile applications in our daily lives. Home automation system uses collective smart technology to elevate sphere of security and human living standards. Wireless Smart home systems have been prototyped by researchers to realize different applications in vast contexts. In this paper we propose a keyless smart home security system which uses Bluetooth as a communication protocol to automate door locks based on a security code and predefined user credentials. The system combines Android phone as a signal sender to dispatch the input signal from an end users side, Bluetooth communication module as signal receiver, ARDUINO microcontroller as CPU and servo motor and light emitting diodes as an output. The system integrates two modules: one of which is Arduino microcontroller which is responsible for authentication and verification of security code and allows servo motor to process the output according to the received input. The second is android Application which provides an interface to the user to set credentials and security code which is then transmitted to the Arduino microcontroller via Bluetooth technology. Since Arduino and Android are open source, hence implementation rate of the proposed system is inexpensive and feasible.

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Password Authenticated Key Exchange and Protected Password Change Protocols

Cited by 2 publications

References 14 publications

Optimizing a Password Hashing Function with Hardware-Accelerated Symmetric Encryption

Optimizing a Password Hashing Function with Hardware-Accelerated Symmetric Encryption

Keyless Smart Home: An application of Home Security and Automation

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