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Biometric systems strive to balance security and usability. The use of multi-biometric systems combining multiple biometric modalities is usually recommended for high-security applications. However, the presentation of multiple biometric…

Cryptography and Security · Computer Science 2025-04-01 Florian Bayer , Christian Rathgeb

Biometric template protection is one of most essential parts in putting a biometric-based authentication system into practice. There have been many researches proposing different solutions to secure biometric templates of users. They can be…

Cryptography and Security · Computer Science 2019-04-02 Thi Ai Thao Nguyen , Tran Khanh Dang , Dinh Thanh Nguyen

Attribute-based encryption (ABE) which allows users to encrypt and decrypt messages based on user attributes is a type of one-to-many encryption. Unlike the conventional one-to-one encryption which has no intention to exclude any partners…

Cryptography and Security · Computer Science 2014-08-22 Zhengjun Cao , Lihua Liu

Biometrics make human identification possible with a sample of a biometric trait and an associated database. Classical identification techniques lead to privacy concerns. This paper introduces a new method to identify someone using his…

Cryptography and Security · Computer Science 2009-09-07 Julien Bringer , Herve Chabanne , Bruno Kindarji

Attribute-based encryption (ABE) is a promising tool for implementing fine-grained access control.To solve the matters of security in single authority, access policy public, not traceable of malicious user,we proposed a scheme of…

Cryptography and Security · Computer Science 2020-09-11 Wei Zhang , Yi Wu , Zhishuog Zhang , Hu Xiong , Zhiguang Qin

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

In today's digital age, personal data is constantly at risk of compromise. Attribute-Based Encryption (ABE) has emerged as a promising approach to privacy-preserving data protection. This paper proposes an anonymous authentication mechanism…

Cryptography and Security · Computer Science 2025-06-18 Nouha Oualha

In this paper, we present a variant of Waters' Identity-Based Encryption scheme with a much smaller public-key size (only a few kilobytes). We show that this variant is semantically secure against passive adversaries in the standard…

Cryptography and Security · Computer Science 2007-05-23 David Naccache

Fuzzy vault is a scheme providing secure authentication based on fuzzy matching of sets. A major application is the use of biometric features for authentication, whereby unencrypted storage of these features is not an option because of…

Information Theory · Computer Science 2015-04-17 Kyle Marshall , Davide Schipani , Anna-Lena Trautmann , Joachim Rosenthal

Distributed broadcast encryption (DBE) is a variant of broadcast encryption (BE) that can efficiently transmit a message to a subset of users, in which users independently generate user private keys and user public keys instead of a central…

Cryptography and Security · Computer Science 2025-05-26 Kwangsu Lee

In Ciphertext-Policy Attribute Based Encryption (CP-ABE), attributes are attached to the user's secret key and access policy is at-tached to the ciphertext. If attributes in the secret key of a user satisfy the policy then only the genuine…

Cryptography and Security · Computer Science 2012-09-26 Nishant Doshi , Devesh Jinwala

In this paper, we propose a new biometric verification and template protection system which we call the THRIVE system. The system includes novel enrollment and authentication protocols based on threshold homomorphic cryptosystem where the…

Cryptography and Security · Computer Science 2015-09-02 Cagatay Karabat , Mehmet Sabir Kiraz , Hakan Erdogan , Erkay Savas

Identification schemes are interactive protocols typically involving two parties, a prover, who wants to provide evidence of his or her identity and a verifier, who checks the provided evidence and decide whether it comes or not from the…

Anonymous Hierarchical Identity-Based Encryption (HIBE) is an extension of Identity-Based Encryption (IBE), and it provides not only a message hiding property but also an identity hiding property. Anonymous HIBE schemes can be applicable to…

Cryptography and Security · Computer Science 2015-03-02 Kwangsu Lee , Jong Hwan Park , Dong Hoon Lee

Ciphertext-policy hierarchical attribute-based encryption (CP-HABE) is a promising cryptographic primitive for enforcing the fine-grained access control with scalable key delegation and user revocation mechanisms on the outsourced encrypted…

Cryptography and Security · Computer Science 2018-10-16 Mohammad Ali , Javad Mohajeri , Mohammad-Reza Sadeghi

We provide formal definitions and efficient secure techniques for - turning noisy information into keys usable for any cryptographic application, and, in particular, - reliably and securely authenticating biometric data. Our techniques…

Cryptography and Security · Computer Science 2008-04-01 Yevgeniy Dodis , Rafail Ostrovsky , Leonid Reyzin , Adam Smith

The prevalence of biometric authentication has been on the rise due to its ease of use and elimination of weak passwords. To date, most biometric authentication systems have been designed for on-device authentication of the device owner…

Cryptography and Security · Computer Science 2026-04-29 Alexander Bienstock , Daniel Escudero , Antigoni Polychroniadou , Zhen Zeng , Pranav Bhat , Ashok Singal , Prashant Sharma , Manuela Veloso

We propose a large universe attribute-based encryption (ABE ) scheme from lattices. It is inspired by Brent Waters' scheme which is a large universe attribute-based encryption using bilinear map. It is a very practical scheme but this…

Cryptography and Security · Computer Science 2014-05-15 Shangping Wang , Fang Feng

In this paper, we present a new identity-based encryption (IBE) scheme using bilinear pairings. Our IBE scheme enjoys the same \textsf{Key Extraction} and \textsf{Decryption} algorithms with the famous IBE scheme of Boneh and Franklin…

Cryptography and Security · Computer Science 2007-05-23 Shengbao Wang

Biometric matching involves storing and processing sensitive user information. Maintaining the privacy of this data is thus a major challenge, and homomorphic encryption offers a possible solution. We propose a privacy-preserving…

Cryptography and Security · Computer Science 2021-11-25 Gaëtan Pradel , Chris Mitchell