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In this paper we present the design of Name-based Access Control (NAC) scheme, which supports data confidentiality and access control in Named Data Networking (NDN) architecture by encrypting content at the time of production, and by…

Networking and Internet Architecture · Computer Science 2021-06-15 Zhiyi Zhang , Yingdi Yu , Sanjeev Kaushik Ramani , Alex Afanasyev , Lixia Zhang

Blind quantum computing [A. Broadbent, J. Fitzsimons, and E. Kashefi, Proceedings of the 50th Annual IEEE Symposium on Foundations of Computer Science 517 (2009)] is a secure cloud quantum computing protocol which enables a client (who does…

Quantum Physics · Physics 2013-06-11 Tomoyuki Morimae , Takeshi Koshiba

Implicit authentication consists of a server authenticating a user based on the user's usage profile, instead of/in addition to relying on something the user explicitly knows (passwords, private keys, etc.). While implicit authentication…

Cryptography and Security · Computer Science 2015-03-03 Josep Domingo-Ferrer , Qianhong Wu , Alberto Blanco-Justicia

With the rise of artificial intelligence and machine learning, a new wave of private information is being flushed into applications. This development raises privacy concerns, as private datasets can be stolen or abused for non-authorized…

Cryptography and Security · Computer Science 2026-02-19 Janis Nötzel , Anshul Singhal , Peter van Loock

In this paper we are proposing an algorithm which uses AES technique of 128/192/256 bit cipher key in encryption and decryption of data. AES provides high security as compared to other encryption techniques along with RSA. Cloud computing…

Cryptography and Security · Computer Science 2013-03-06 Sugata Sanyal , Parthasarathy P. Iyer

Authenticated Key Exchange (AKE) protocols represent an important cryptographic mechanism that enables several parties to communicate securely over an open network. Elashry, Mu and Susilo proposed in 2015 an Identity Based Authenticated Key…

Cryptography and Security · Computer Science 2017-10-31 Younes Hatri , Ayoub Otmani , Kenza Guenda

Efficient and secure revocable attribute-based encryption (RABE) is vital for ensuring flexible and fine-grained access control and data sharing in cloud storage and outsourced data environments within the Internet of Things (IoT). However,…

Cryptography and Security · Computer Science 2025-09-26 Yongjiao Li , Liang Zhu , Yalin Deng , Qikun Zhang , Zhenlei Wang , Zhu Cao

We revisit the problem of entity authentication in decentralized end-to-end encrypted email and secure messaging to propose a practical and self-sustaining cryptographic solution based on password-authenticated key exchange (PAKE). This not…

Cryptography and Security · Computer Science 2020-05-22 Itzel Vazquez Sandoval , Arash Atashpendar , Gabriele Lenzini

Blockchain and Cloud Computing are two of the main topics related to the distributed computing paradigm, and in the last decade, they have seen exponential growth in their adoption. Cloud computing has long been established as the main…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-18 Carlos Melo , Jamilson Dantas , Paulo Pereira , Paulo Maciel

Data breaches-mass leakage of stored information-are a major security concern. Encryption can provide confidentiality, but encryption depends on a key which, if compromised, allows the attacker to decrypt everything, effectively instantly.…

Cryptography and Security · Computer Science 2020-10-15 Moe Sabry , Reza Samavi , Douglas Stebila

The need for secrecy and security is essential in communication. Secret sharing is a conventional protocol to distribute a secret message to a group of parties, who cannot access it individually but need to cooperate in order to decode it.…

Quantum Physics · Physics 2017-01-16 Ioannis Kogias , Yu Xiang , Qiongyi He , Gerardo Adesso

Cloud computing is a term coined to a network that offers incredible processing power, a wide array of storage space and unbelievable speed of computation. Social media channels, corporate structures and individual consumers are all…

Cryptography and Security · Computer Science 2013-03-29 Debajyoti Mukhopadhyay , Gitesh Sonawane , Parth Sarthi Gupta , Sagar Bhavsar , Vibha Mittal

At present, the cloud storage used in searchable symmetric encryption schemes (SSE) is provided in a private way, which cannot be seen as a true cloud. Moreover, the cloud server is thought to be credible, because it always returns the…

Cryptography and Security · Computer Science 2017-11-21 Huige Li , Fangguo Zhang , Jiejie He , Haibo Tian

Blockchain technology, which was introduced for supporting cryptocurrencies, today provides a decentralized infrastructure for general information storage and execution of algorithms, thus enabling the conversion of many applications and…

Cryptography and Security · Computer Science 2024-09-18 Nibras Abo Alzahab , Giulia Rafaiani , Massimo Battaglioni , Franco Chiaraluce , Marco Baldi

Efficient and reliable access control in smart cities is critical for the protection of various resources for decision making and task execution. Existing centralized access control schemes suffer from the limitations of single point of…

Cryptography and Security · Computer Science 2020-09-08 Yuanyu Zhang , Mirei Yutaka , Masahiro Sasabe , Shoji Kasahara

Proxy re-encryption (PRE) allows a semi-trusted proxy to convert a ciphertext originally intended for Alice into an encryption of the same message intended for Bob. Song Luo, Jianbin Hu, and Zhong Chen presented a novel ciphertext policy…

Cryptography and Security · Computer Science 2015-03-13 Keying Li

Biometric identity-based encryption (Bio-IBE) is a kind of fuzzy identity-based encryption (fuzzy IBE) where a ciphertext encrypted under an identity w' can be decrypted using a secret key corresponding to the identity w which is close to…

Cryptography and Security · Computer Science 2012-03-20 Miaomiao Tian , Wei Yang , Liusheng Huang

Authcoin is an alternative approach to the commonly used public key infrastructures such as central authorities and the PGP web of trust. It combines a challenge response-based validation and authentication process for domains,…

Cryptography and Security · Computer Science 2016-09-19 Benjamin Leiding , Clemens H. Cap , Thomas Mundt , Samaneh Rashidibajgan

This paper addresses privacy protection in decentralized Artificial Intelligence (AI) using Confidential Computing (CC) within the Atoma Network, a decentralized AI platform designed for the Web3 domain. Decentralized AI distributes AI…

Cryptography and Security · Computer Science 2024-10-21 Dayeol Lee , Jorge António , Hisham Khan

Cloud-based services have become part of our day-to-day software solutions. The identity authentication process is considered to be the main gateway to these services. As such, these gates have become increasingly susceptible to aggressive…

Cryptography and Security · Computer Science 2017-11-27 Marwan Darwish , Abdelkader Ouda , Luiz Fernando Capretz