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Related papers: Harnessing Lightweight Ciphers for PDF Encryption

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Document understanding is a key business process in the data-driven economy since documents are central to knowledge discovery and business insights. Converting documents into a machine-processable format is a particular challenge here due…

Digital Libraries · Computer Science 2022-07-14 Christoph Auer , Michele Dolfi , André Carvalho , Cesar Berrospi Ramis , Peter W. J. Staar

The hurried development of multimedia and internet allows for wide distribution of digital media data. It becomes much easier to edit, modify and duplicate digital information. In additional, digital document is also easy to copy and…

Cryptography and Security · Computer Science 2009-08-04 A. W. Naji , Shihab A. Hameed , B. B. Zaidan , Wajdi F. Al-Khateeb , Othman O. Khalifa , A. A. Zaidan , Teddy S. Gunawan

The future generation networks: Internet of things (IoT), in combination with the advanced computer vision techniques poses new challenges for securing videos for end-users. The visual devices generally have constrained resources in…

Cryptography and Security · Computer Science 2019-01-25 Amna Shifa , Mamoona Naveed Asghar , Naila Batool , Martin Fluery

The rapid advancement of quantum computing poses a significant threat to modern cryptographic systems, necessitating the transition to Post-Quantum Cryptography (PQC). This study evaluates the support for PQC algorithms within nine widely…

Cryptography and Security · Computer Science 2025-08-25 Nadeem Ahmed , Lei Zhang , Aryya Gangopadhyay

The LOCKSS digital preservation system collects content by crawling the web and preserves it in the format supplied by the publisher. Eventually, browsers will no longer understand that format. A process called format migration converts it…

Digital Libraries · Computer Science 2007-05-23 David S. H. Rosenthal , Thomas Lipkis , Thomas Robertson , Seth Morabito

Several cybersecurity domains, such as ransomware detection, forensics and data analysis, require methods to reliably identify encrypted data fragments. Typically, current approaches employ statistics derived from byte-level distribution,…

Cryptography and Security · Computer Science 2021-04-01 Fabio De Gaspari , Dorjan Hitaj , Giulio Pagnotta , Lorenzo De Carli , Luigi V. Mancini

JSON is a popular standard for data interchange on the Internet. Ingesting JSON documents can be a performance bottleneck. A popular parsing strategy consists in converting the input text into a tree-based data structure -- sometimes called…

Databases · Computer Science 2024-08-02 John Keiser , Daniel Lemire

Scientific knowledge is predominantly stored in books and scientific journals, often in the form of PDFs. However, the PDF format leads to a loss of semantic information, particularly for mathematical expressions. We propose Nougat (Neural…

Machine Learning · Computer Science 2023-08-28 Lukas Blecher , Guillem Cucurull , Thomas Scialom , Robert Stojnic

Versatile video coding (VVC) is the next generation video coding standard developed by the joint video experts team (JVET) and released in July 2020. VVC introduces several new coding tools providing a significant coding gain over the high…

Cryptography and Security · Computer Science 2021-03-09 Guillaume Gautier , Mousa FarajAllah , Wassim Hamidouche , Olivier Déforges , Safwan El Assad

This paper presents an efficient fair document exchange protocol. The exchange of the documents will be between two parties. The protocol is based on the verifiable and recoverable encryption of a document's key. This verifiable and…

Cryptography and Security · Computer Science 2012-04-10 Abdullah M. Alaraj

Converting data from machine-unreadable formats like PDFs into Markdown has the potential to enhance the accessibility of scientific research. Existing end-to-end decoder transformer models can transform screenshots of PDFs into Markdown,…

Multimedia · Computer Science 2025-12-23 Changxu Duan

We often represent text using Unicode formats (UTF-8 and UTF-16). The UTF-8 format is increasingly popular, especially on the web (XML, HTML, JSON, Rust, Go, Swift, Ruby). The UTF-16 format is most common in Java, .NET, and inside operating…

Programming Languages · Computer Science 2023-05-23 Daniel Lemire

The world is rapidly adopting RESTful web services for most of its tasks. The once popular SOAP-based web services are fast losing ground owing to this. RESTful web services are light weight services without strict message formats. RESTful…

Networking and Internet Architecture · Computer Science 2016-09-21 Gyan Prakash Tiwary , Abhishek Srivastava

A blockchain and smart contract enabled security mechanism for IoT applications has been reported recently for urban, financial, and network services. However, due to the power-intensive and a low-throughput consensus mechanism in existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-25 Ronghua Xu , Yu Chen , Erik Blasch , Genshe Chen

Norm-conserving pseudopotentials are used by a significant number of electronic-structure packages, but the practical differences among codes in the handling of the associated data hinder their interoperability and make it difficult to…

Computational Physics · Physics 2020-06-02 Alberto García , Matthieu Verstraete , Yann Pouillon , Javier Junquera

The Encrypted File System (EFS) pushes encryption services into the file system itself. EFS supports secure storage at the system level through a standard UNIX file system interface to encrypted files. User can associate a cryptographic key…

Cryptography and Security · Computer Science 2009-08-06 Dr. Shishir Kumar , U. S. Rawat , Sameer Kumar Jasra , Akshay Kumar Jain

Malicious PDF files have emerged as a persistent threat and become a popular attack vector in web-based attacks. While machine learning-based PDF malware classifiers have shown promise, these classifiers are often susceptible to adversarial…

Cryptography and Security · Computer Science 2025-12-08 Side Liu , Jiang Ming , Guodong Zhou , Xinyi Liu , Jianming Fu , Guojun Peng

Quantum computers create new security risks for today's encryption systems. This paper presents an improved version of the Advanced Encryption Standard (AES) that uses quantum technology to strengthen protection. Our approach offers two…

Quantum Physics · Physics 2025-10-02 Albert Nieto-Morales , Arit Kumar Bishwas , Joel Jacob Varghese

Verifiable credentials are a digital analogue of physical credentials. Their authenticity and integrity are protected by means of cryptographic techniques, and they can be presented to verifiers to reveal attributes or even predicates about…

Cryptography and Security · Computer Science 2024-01-17 Andrea Flamini , Giada Sciarretta , Mario Scuro , Amir Sharif , Alessandro Tomasi , Silvio Ranise

Hiding messages for countless security purposes has become a highly fascinating subject nowadays. Encryption facilitates the data hiding. With the express development of technology, people tend to figure out a method capable of hiding a…

Cryptography and Security · Computer Science 2025-02-25 Sachith Dassanayaka