English
Related papers

Related papers: Horcrux: A Password Manager for Paranoids

200 papers

While the security of the cloud remains a concern, a common practice is to encrypt data before outsourcing them for utilization. One key challenging issue is how to efficiently perform queries over the ciphertext. Conventional crypto-based…

Cryptography and Security · Computer Science 2019-12-19 Yaxing Chen , Qinghua Zheng , Dan Liu , Zheng Yan , Wenhai Sun , Ning Zhang , Wenjing Lou , Y. Thomas Hou

Software-based approaches for search over encrypted data are still either challenged by lack of proper, low-leakage encryption or slow performance. Existing hardware-based approaches do not scale well due to hardware limitations and…

Cryptography and Security · Computer Science 2017-03-16 Benny Fuhry , Raad Bahmani , Ferdinand Brasser , Florian Hahn , Florian Kerschbaum , Ahmad-Reza Sadeghi

Homomorphic encryption is a very useful gradient protection technique used in privacy preserving federated learning. However, existing encrypted federated learning systems need a trusted third party to generate and distribute key pairs to…

Cryptography and Security · Computer Science 2020-11-26 Hangyu Zhu , Rui Wang , Yaochu Jin , Kaitai Liang , Jianting Ning

Asymmetric password based key exchange is a key exchange protocol where a client and a server share a low entropic password while the server additionally owns a high entropic secret for a public key. There are simple solutions for this…

Cryptography and Security · Computer Science 2010-09-28 Shaoquan Jiang

Deauthentication is an important component of any authentication system. The widespread use of computing devices in daily life has underscored the need for zero-effort deauthentication schemes. However, the quest for eliminating user effort…

Cryptography and Security · Computer Science 2016-02-16 O. Huhta , P. Shrestha , S. Udar , M. Juuti , N. Saxena , N. Asokan

Preservation of information and computer security is broadly dependent on the secured authentication system which is underpinned by password. Text based password is a commonly used and available system for authentication. But it bears many…

Cryptography and Security · Computer Science 2022-05-26 Sanjida Akter Sharna , Sheikh Ashraf Ali

Security testing verifies that the data and the resources of software systems are protected from attackers. Unfortunately, it suffers from the oracle problem, which refers to the challenge, given an input for a system, of distinguishing…

Software Engineering · Computer Science 2019-12-12 Phu X. Mai , Fabrizio Pastore , Arda Goknil , Lionel Briand

Passwordless authentication was first tested for seamless and secure merchant payments without the use of passwords or pins. It opened a whole new world of authentications giving up the former reliance on traditional passwords. It relied on…

Cryptography and Security · Computer Science 2023-07-17 Aditya Mitra , Anisha Ghosh , Sibi Chakkaravarthy Sethuraman

Biometric authentication is getting increasingly popular due to the convenience of using unique individual traits, such as fingerprints, palm veins, irises. Especially fingerprints are widely used nowadays due to the availability and low…

Cryptography and Security · Computer Science 2019-11-04 Swe Geng , Georgia Giannopoulou , Maëlle Kabir-Querrec

Cryptographic techniques have the potential to enable distrusting parties to collaborate in fundamentally new ways, but their practical implementation poses numerous challenges. An important class of such cryptographic techniques is known…

Password authentication using Hopfield Networks is presented in this paper. In this paper we discussed the Hopfield Network Scheme for Textual and graphical passwords, for which input Password will be converted in to probabilistic values.…

Cryptography and Security · Computer Science 2012-07-07 ASN Chakravarthy , P S Avadhani , P. E. S. N Krishna Prasad , N. Rajeevand , D. Rajasekhar Reddy

Homomorphic encryption is a powerful cryptographic tool that enables secure computations on the private data. It evaluates any function for any operation securely on the encrypted data without knowing its corresponding plaintext. For…

Cryptography and Security · Computer Science 2025-09-18 Giovanni Giuseppe Grimaldi

With the rise of sophisticated authentication bypass techniques, passwords are no longer considered a reliable method for securing authentication systems. In recent years, new authentication technologies have shifted from traditional…

Cryptography and Security · Computer Science 2025-08-19 Lien Tran , Boyuan Zhang , Ratchanon Pawanja , Rashid Hussain Khokhar

Many applications that benefit from data offload to cloud services operate on private data. A now-long line of work has shown that, even when data is offloaded in an encrypted form, an adversary can learn sensitive information by analyzing…

Cryptography and Security · Computer Science 2023-11-06 Midhul Vuppalapati , Kushal Babel , Anurag Khandelwal , Rachit Agarwal

Firewalls have long been in use to protect local networks from threats of the larger Internet. Although firewalls are effective in preventing attacks initiated from outside, they are vulnerable to insider threats, e.g., malicious insiders…

Cryptography and Security · Computer Science 2018-10-04 Ken Goss , Wei Jiang

We present the first general construction of a Multi-Factor Key Derivation Function (MFKDF). Our function expands upon password-based key derivation functions (PBKDFs) with support for using other popular authentication factors like TOTP,…

Cryptography and Security · Computer Science 2023-08-31 Vivek Nair , Dawn Song

A growing framework of legal and ethical requirements limit scientific and commercial evalua-tion of personal data. Typically, pseudonymization, encryption, or methods of distributed com-puting try to protect individual privacy. However,…

Cryptography and Security · Computer Science 2018-11-21 Nikolaus von Bomhard , Bernd Ahlborn , Catherine Mason , Ulrich Mansmann

The erosion of trust put in traditional database servers, the growing interest for different forms of data dissemination and the concern for protecting children from suspicious Internet content are different factors that lead to move the…

Cryptography and Security · Computer Science 2007-05-23 Luc Bouganim , Cosmin Cremarenco , François Dang Ngoc , Nicolas Dieu , Philippe Pucheral

Off-Chain transactions allow for the immediate transfer of Cryptocurrency between two parties, without delays or unavoidable transaction fees. Such capabilities are critical for mainstream Cryptocurrency adaption. They allow for the…

Cryptography and Security · Computer Science 2014-08-14 Leonard Apeltsin

The existing authentication system has two entry points (i.e., username and password fields) to interact with the outside, but neither of them has a gatekeeper, making the system vulnerable to cyberattacks. In order to ensure the…

Cryptography and Security · Computer Science 2024-09-26 Suyun Borjigin
‹ Prev 1 8 9 10 Next ›