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digital signatures
(315 results)-
Whitepapers
An ID-Based Signcryption Scheme with Compartmented Secret Sharing for Unsigncryption
Sep 2012
In Li, Xin, and Hu describe an ID-based signcryption scheme that uses a bi-linear map to accomplish (t; n) shared un-signcryption with the help of Shamir's secret sharing scheme. Here the authors...
Provided by University of North Carolina at Chapel Hill (Kenan-Flagler)
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Whitepapers
Sequential Aggregate Signatures with Short Public Keys: Design, Analysis and Implementation Studies
Dec 2012
The notion of aggregate signature has been motivated by applications and it enables any user to compress different signatures signed by different signers on different messages into a short...
Provided by Columbia University
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Whitepapers
On the Multiple Fault Attack on RSA Signatures with LSBs of Messages Unknown
Aug 2012
In CHES 2009, Coron, Joux, Kizhvatov, Naccache and Paillier (CJKNP) introduced a fault attack on RSA signatures with partially unknown messages. They factored RSA modulus N using a single faulty...
Provided by Tsihai
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Whitepapers
Designated Verifier Threshold Proxy Signature Scheme without Random Oracles
Aug 2011
In a (t; n) designated verifier threshold proxy signature scheme, an original signer can delegate his/her signing power to n proxy signers such that any t or more out of n proxy signers can sign...
Provided by sharick
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Whitepapers
An Efficient Signcryption Scheme from q-Diffie-Hellman Problems
Aug 2012
Confidentiality and authenticity are two fundamental security requirement of Public key Cryptography. These are achieved by encryption scheme and digital signatures respectively. Here the authors...
Provided by King Abdulaziz University
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Whitepapers
Efficient Signatures of Knowledge and DAA in the Standard Model
Aug 2012
Direct Anonymous Attestation (DAA) is one of the most complex cryptographic protocols deployed in practice. It allows an embedded secure processor known as a Trusted Platform Module (TPM) to...
Provided by University of Brighton
-
Whitepapers
Some Connections Between Primitive Roots and Quadratic Non-Residues Modulo a Prime
Sep 2012
Generating primitive roots modulo a prime is a fundamental problem in number theory, with major applications in cryptography. Diffie-Hellman key establishment scheme, ElGamal public-key...
Provided by International Association for Cryptologic Research
-
Whitepapers
Perfect Ambiguous Optimistic Fair Exchange
Aug 2012
Protocol for fair exchange of digital signatures is essential in many applications including contract signing, electronic commerce, or even peer-to-peer file sharing. In such a protocol, two...
Provided by University of Wisconsin�River Falls
-
Whitepapers
Group Signatures with Almost-for-Free Revocation
Aug 2012
Group signatures are a central cryptographic primitive where users can anonymously and accountably sign messages in the name of a group they belong to. Several efficient constructions with...
Provided by Universite Bordeaux 1
-
Whitepapers
On the Security of Dynamic Group Signatures: Preventing Signature Hijacking
Jul 2012
The authors identify a potential weakness in the standard security model for dynamic group signatures which appears to have been overlooked previously. More specifically, they highlight that even...
Provided by University of Education, Schw�bisch Gm�
-
Whitepapers
Scalable Group Signatures with Revocation
Aug 2012
Group signatures are a central cryptographic primitive, simultaneously supporting accountability and anonymity. They allow users to anonymously sign messages on behalf of a group they are members...
Provided by Columbia University
-
Whitepapers
Cross-Unlinkable Hierarchical Group Signatures
Jul 2012
The authors introduce the notion of Cross-Unlinkability for group signature schemes. Considering groups organized in a tree structure, where belonging to the parent group is required to join a new...
Provided by Telecom of New Zealand
-
Whitepapers
Comments on Four Multi-Server Authentication Protocols Using Smartcard
Jul 2012
A two-party password authentication protocol for client-server architecture is usually not sufficient when network size increases, especially for an open network such as Internet. Thus,...
Provided by Nanhua University
-
Whitepapers
Optimal Binary/Quaternary Adaptive Signature Design for Code-Division Multiplexing
Dec 2012
The authors consider signature waveform design for synchronous code division multiplexing in the presence of interference and wireless multipath fading channels. The adaptive real/complex...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
An Anonymous Proxy Signature Scheme without Random Oracles
Jun 2012
The concept of proxy signature was introduced in 1996, up to now many proxy signature schemes have been proposed. In order to protect the proxy signer's privacy, the concept of anonymous proxy...
Provided by sharick
-
Whitepapers
Fast and Compact Elliptic-Curve Cryptography
Sep 2012
Elliptic curve signatures have many advantages, however. Current attacks against elliptic curves scale exponentially with key size. Therefore ECC key and signatures can be considerably smaller...
Provided by International Association for Cryptologic Research
-
Whitepapers
Publicly Verifiable Delegation of Large Polynomials and Matrix Computations, with Applications
Jul 2012
Outsourced computations (where a client requests a server to perform some computation on its behalf) are becoming increasingly important due to the rise of Cloud Computing and the proliferation of...
Provided by New York University
-
Whitepapers
A Novel Strong Designated Verifier Signature Scheme without Random Oracles
May 2012
In this paper, a novel pairing based strong designated verifier signature scheme based on non-interactive zero knowledge proofs is proposed. The security of the proposal is presented by sequences...
Provided by sharick
-
Whitepapers
Private Fingerprint Matching
Apr 2012
The authors propose a fully private fingerprint matching protocol that compares two fingerprints based on the most widely-used minutia-based fingerprint matching algorithm. The protocol enables...
Provided by University of Calcutta
-
Whitepapers
Relation Between Verifiable Random Functions and Convertible Undeniable Signatures, and New Constructions
Apr 2012
Verifiable Random Functions (VRF) and Selectively-Convertible Undeniable Signature (SCUS) schemes were proposed independently in the literature. In this paper, the authors observe that they are...
Provided by Ibaraki University
-
Whitepapers
Asymptotic Fingerprinting Capacity in the Combined Digit Model
Apr 2012
Watermarking is a means of tracing the (re-)distribution of content. Before distribution, digital content is modified by applying an imperceptible WaterMark (WM), embedded using a watermarking...
Provided by Eindhoven University of Technology
-
Whitepapers
New Digital Signature Protocol Based on Elliptic Curves
Dec 2012
A lot of practical algorithms for digital signature have been developed since the invention of the public key cryptography in the late 1970's. Let them recall the principle of these methods. The...
Provided by Academy & Industry Research Collaboration Center
-
Whitepapers
Multibiometric Authentication Using DWT and Score Level Fusion
Jul 2012
Multimodal system, which combines more than one biometric trait, gives better recognition performance compare to system based on a single biometric modality. It obtains today's increasing demand...
Provided by EuroJournals
-
Whitepapers
Analysis of Effectiveness of Delivery Ratio for EESARP Based on Analytical and Simulation Results
Aug 2011
In this paper, the authors develop an analytical and simulation framework for Energy Efficient Secure Authenticated Routing Protocol (EESARP) for Mobile Ad-hoc NETworks. Their protocol provides...
Provided by EuroJournals
-
Whitepapers
Confidence Fuzzy Interval in Verification of Offline Handwriting Signature
Dec 2010
A new approach in verification of offline handwriting signature had been proposed. This approach use confidence fuzzy interval for verification. This confidence fuzzy interval achieved by using...
Provided by EuroJournals
-
Whitepapers
A Secure Proxy-Protected Signature Scheme Based on the Strong RSA Assumption
Apr 2010
Ordinary Signature Scheme is one of the most important primitive of public-key cryptography. As a variation of ordinary digital signature scheme, a proxy signature allows a designated person,...
Provided by EuroJournals
-
Whitepapers
Offline Signature Recognition Using Hidden Markov Model (HMM)
Nov 2010
HMM has been used successfully to model speech and online signature in the past two decades. The success has been attributed to the fact that these biometric traits have time reference. Only few...
Provided by International Journal of Computer Applications
-
Whitepapers
Signcryption Scheme That Utilizes Elliptic Curve for Both Encryption and Signature Generation
Jan 2013
Signcryption is a relatively new technique in public key cryptography, that perform both the functions of digital signature and encryption in a single step, in a way that is more efficient than...
Provided by International Journal of Computer Applications
-
Whitepapers
A Secure and Efficient Protocol of Multiple Session Keys Generation
May 2010
To negotiate a session key can benefit from the technique of the public-key cryptography such as key exchange and digital signature. This key cannot be used until the session is finished. In...
Provided by WSDOT
-
Whitepapers
Fingerprint Watermark Embedding by Discrete Cosine Transform for Copyright Ownership Authentication
Sep 2009
In respect to the issues on protecting intellectual property, particular for artistic works in electronic form, some sorts of techniques could be put on a copyright material image to ensure its...
Provided by NORTH ATLANTIC UNIVERSITY UNION
-
Whitepapers
A Novel Distributed RSA Blind and Weakly Undeniable Multi-Signature Scheme
Oct 2012
Digital signature is extensively used in many practical applications as numerous cryptographic services have been proposed. In this paper, the authors will be the first to propose a signature...
Provided by Feng Chia University
-
Whitepapers
A Novel Digital Signature Scheme Based on Cubic Residue with Provable Security
Mar 2012
Since a single computationally hard problem today may possibly be solved efficiently in the future, many researchers endeavored in recent years to base their cryptosystem security on solving two...
Provided by Feng Chia University
-
Whitepapers
A Provably Secure Certificateless Proxy Signature Scheme
Sep 2011
Proxy signature, a variant of digital signature, is in the limelight in recent years for secure communication. For instance, when a manager is occupied with business matters, or travelling on...
Provided by Asia University
-
Whitepapers
Generalization of Proxy Signature Based on Factorization
Mar 2011
Digital signatures are widely used to replace hand-written signatures in the digital world. However, simple digital signature schemes are not enough to satisfy today's practical conditions. For...
Provided by Asia University
-
Whitepapers
Analyzing Digital Signature Robustness with Message Digest Algorithms
Mar 2012
In this paper, the authors have analyzed the robustness of various message digest with respect to digital signature. The repetitive sequences in the digest will decrease the robustness of the...
Provided by International Journal of Computer Applications
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Whitepapers
Watermark Attacks and Applications in Watermarking
Jun 2012
Digital watermarking of multimedia content has become a very active research area over the last several years. Digital watermarking is the process of embedding watermark into a digital signal. A...
Provided by International Journal of Computer Applications
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Whitepapers
Digital Watermarking using CDMA Technology
Jun 2012
Digital watermarking is defined as a process of embedding data (watermark) into an image to protect the owner's right to that data. Along with the explosive growth of the Internet, digital media...
Provided by International Journal of Computer Applications
-
Whitepapers
Prospective Utilization of Elliptic Curve Cryptography for Security Enhancement
Jan 2013
Now-a-days Elliptic Curve Cryptography (ECC) is the most efficient public key encryption scheme based on elliptic curve concepts that can be used to create faster, smaller, and efficient...
Provided by International Journal of Application or Innovation in Engineering & Management (IJAIEM)
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Whitepapers
A Survey on Offline Signature Recognition and Verification Schemes
Aug 2012
Signature has been a distinguishing biometric feature through ages. They are extensively used as a means of personal verification; therefore an automatic verification system is needed. Even today...
Provided by IOSR Journal of Engineering
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Whitepapers
A Modified Approach for Implementation of an Efficient Padding Scheme in Digital Signature System
Apr 2010
In order to provide secure transaction of documents over an insecure channel, Digital Signature Systems are made use of and Hash function is an eternal component of it. The requirement of devising...
Provided by Academy & Industry Research Collaboration Center
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White Papers
On the Development of Digital Signatures for Author Identification
Jul 2007
With the increasing numbers of books converted to a digital format, represented generally with underlying ASCII text, it is now feasible to perform frequency analyses on the components of a book....
Provided by Institute of Electrical and Electronics Engineers
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White Papers
Performance of Batch-Based Digital Signatures
Jan 2011
A Digital Signature is an important type of authentication in a public-key (or asymmetric) cryptographic system, and it is in wide use. The performance of an Internet server computing digital...
Provided by University of Maryland
-
Whitepapers
Meeting the unique needs of small and medium size businesses
Mar 2011
With collaborative solutions from IBM, small and midsize businesses can: Stay within budget while delivering best-in-class, collaborative solutions Provide mobile and remote workers with access...
Provided by IBM
-
White Papers
Securing BGP Through Keychain-Based Signatures
Jun 2007
As the major component of Internet routing infrastructure, the Border Gateway Protocol (BGP) is vulnerable to malicious attacks. While Secure BGP (S-BGP) provides a comprehensive framework to...
Provided by College of William and Mary
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White Papers
On the Security of an Efficient Mobile Authentication Scheme for Wireless Networks
Mar 2010
Rapid development of wireless networks are gradually changing the way the authors live, and security such as authentication of mobile stations is a serious concern for many emerging application....
Provided by Network Center
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White Papers
On the Theory and Practice of Personal Digital Signatures
Apr 2009
The authors take a step towards a more realistic modeling of personal digital signatures, where a human user, his mobile equipment, his PC and a server are all considered as independent players in...
Provided by University of Aarhus
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White Papers
Joint State Theorems for Public-Key Encryption and Digital Signature Functionalities With Local Computation
Apr 2008
Composition theorems in simulation-based approaches allow building complex protocols from sub-protocols in a modular way. However, as first pointed out and studied by Canetti and Rabin, this...
Provided by University of Trier
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White Papers
Formal Security Treatments for IBE-to-Signature Transformation: Relations Among Security Notions
Nov 2008
In a seminal paper of Identity Based Encryption (IBE), Boneh and Franklin [BF01] mentioned an interesting transform from an IBE scheme to a signature scheme, which was observed by Moni Naor. In...
Provided by Chuo University
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White Papers
Ordered Multisignatures and Identity-Based Sequential Aggregate Signatures, With Applications to Secure Routing
Feb 2010
The authors construct two new multiparty digital signature schemes that allow multiple signers to sequentially produce a compact, fixed-length signature. First, the authors introduce a new...
Provided by Stanford University
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White Papers
Proposal of a New Efficient Public Key System for Encryption and Digital Signatures
Oct 2007
In this paper a new efficient public key cryptosystem usable for both encryption and digital signatures is presented. Due to its simple structure this public key cipher can be implemented easily...
Provided by WEB.DE
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White Papers
Multi-Packet Signature Detection Using Prefix Bloom Filters
Jan 2011
It is now a fact that manual defenses against worm epidemics are not practical. Recently, various automatic worm identification methods are proposed to be deployed at high-speed network nodes to...
Provided by Polytechnic University
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White Papers
Techniques for Validation and Controlled Execution of Processes, Codes and Data: A Survey
May 2010
Various security mechanisms are available to validate, authenticate and permit codes, data and scripts for executing in a computing device. Accordingly, different techniques and tools have been...
Provided by University of Memphis
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White Papers
Modified One Time Pad Data Security Scheme: Random Key Generation Approach
May 2009
In this paper the authors show how the random key stream can be used to create lifetime supply of keys for one time pads. Here the authors provided the practical approach that one can use to set...
Provided by Bharati Vidyapeeth
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White Papers
A Strategy of the Electronic Business as a Way to a Successful Competition
Oct 2009
This paper is devoted to discussion of development of the electronic business. The features of the electronic business are described. Some advantages of the electronic business in enterprises are...
Provided by Hannam university
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White Papers
An ID-Based Blind Signature Scheme From Bilinear Pairings
Aug 2010
Blind signatures, introduced by Chaum, allow a user to obtain a signature on a message without revealing anything about the message to the signer. Blind signatures play an important role in plenty...
Provided by Andhra University
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White Papers
Implementing Cryptography for Packet Level Authentication
Jul 2008
Packet Level Authentication (PLA) is a novel countermeasure against distributed denial-of-service attacks. Each packet sent across a network has a digital signature and public key attached to it,...
Provided by Helsinki University of Technology
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White Papers
Digital Signature in Insecure Environments
Oct 2007
Due to current legislation the digital signatures can be as valid as the hand written signatures. If the signing environment is compromised there is no way for the signatory to know what he/she is...
Provided by Helsinki University of Technology
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White Papers
Cryptographic Agility and Its Relation to Circular Encryption
Mar 2010
The authors initiate a provable-security treatment of cryptographic agility. A primitive (for example PRFs, authenticated encryption schemes or digital signatures) is agile when multiple,...
Provided by University of California, San Diego
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White Papers
The Power of Proofs-of-Possession: Securing Multiparty Signatures Against Rogue-Key Attacks
Jul 2007
Multiparty signature protocols need protection against rogue-key attacks, made possible whenever an adversary can choose its public key(s) arbitrarily. For many schemes, provable security has only...
Provided by University of California, San Diego
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Whitepapers
Solution Brief: ILOG Solutions for E-Government
Dec 2010
This solution brief explains how IBM ILOG solutions help government agencies accelerate policy implementation, automate key processes, extend legacy systems and reduce development time and risk.
Provided by IBM
-
White Papers
HIPAA: Standard 164 Electronic Records, Electronic Documents, Digital Signatures
Jan 2009
HIPAA stands for the Health Insurance Portability and Accountability Act of 1996. HIPAA is a federal law that requires companies to adopt administrative, physical and technical measures to protect...
Provided by SoluSoft Technology
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Webcasts
City of Orlando Cuts Costs by 66% by Moving Email and Apps into the Cloud
May 2009
When Conrad Cross, CIO for Orlando, got his budget cut and lost two experienced IT administrators, he knew he had to find another solution to replace the city's legacy email and communications...
Provided by Google
-
White Papers
Video Conferencing Case Study: Georgetown County School District, South Carolina
Sep 2010
Georgetown county school district teaches honors classes, trains staff and conducts virtual field trips with TANDBERG Visual Communications. Determining the right solution for the district...
Provided by TANDBERG, now part of Cisco
-
White Papers
A Cost Efficient, Robust Search Solution Is Vital to Vodafone - Panafon Hellenic
Oct 2009
"The Google solution not only met but exceeded our expectations," exclaimed Dr. Petros Panagiotidis, Business Systems Manager of Vodafone - Panafon Hellenic. "If we had this solution three years...
Provided by Google
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Case Studies
Testing Web Signature Proof of Delivery Application for a Travel and Logistics Major
Jul 2009
The customer is a global provider of transportation, e-commerce and supply chain management services. One of the most powerful brands in the world, the customer ranked in the top 10 on Fortune's...
Provided by Satyam Computer Services
-
Webcasts
City of Orlando Cuts Costs by Over 66% by Moving Email and Apps into the Cloud
May 2009
When Conrad Cross, CIO for Orlando, got his budget cut and lost two experienced IT administrators, he knew he had to find another solution to replace the city's legacy email and communications...
Provided by Google
-
Whitepapers
Work Unchained: The Competitive Edge of The Anywhere Office
Jul 2010
This eBook by Phil Montero, founder of TheAnywhereOffice.com, explores how you can analyze your organization's workflow and strategically transform an ordinary office into The Anywhere Office�.
Provided by Citrix Online
-
White Papers
Image Authentication
May 2009
Video images serve many purposes. Nowadays, videos are highly valued as corroborative evidences. However, it also leads to the question of the genuineness of the videos. This paper discusses the...
Provided by Quadrox
-
White Papers
Best Practices for Signer Authentication
Jul 2009
The basic question faced in the process of migration of paper signatures to electronic form is the identification of the authenticity of the signer. This paper seeks to find out the answer to this...
Provided by DocuSign
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White Papers
6 Best Practices for Preventing Enterprise Data Loss.
Feb 2010
Enterprise data loss' cost businesses nearly $105 billion last year. So, how can companies protect themselves from a data loss catastrophe? This paper from RSA outlines six best practices for...
Provided by RSA Security
-
White Papers
Assuring User Identities During a Business Disruption.
Feb 2010
This RSA white paper examines the importance of maintaining a consistent two-factor authentication policy during a business disruption. In addition, it provides insight into how to develop plans...
Provided by RSA Security
-
White Papers
The RSA Authentication Decision Tree:Selecting the Best Authentication Solution for Your Business.
Feb 2010
"What is the best authentication solution for my business?" Before making a final selection, organizations must consider their user authentication needs, the threats, and their business...
Provided by RSA Security
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Case Studies
Antwerp Port Authority Selects SafeNet
Nov 2009
Antwerp Port Authority manages the 4th largest port in the world, including docks, berths, locks, and bridges. The challenge was establish and maintain a secure, trusted e-Invoicing solution, to...
Provided by SafeNet
-
White Papers
cv act xml/signer - Digital Signatures for Novell Identity Manager 3.5.x
Aug 2009
The use of digital signatures in corporate IT environments renders a two-fold benefit: it enhances security and saves money. When used to secure workflows, digital signatures are especially...
Provided by cv cryptovision
-
Whitepapers
Windows 7 and AppLocker
Jan 2010
AppLocker represents some significant improvements to Software Restriction Policies. The ability to use digital signature information, the ability to use greater-than and less-than operators for...
Provided by Global Knowledge
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White Papers
Eliminating Cost and Waste of Paper Signatures: Saving Money and Accelerating Business With Digital Signatures
Dec 2009
This paper helps to evaluate the true cost of paper-based signatures, and determine whether a digital signature solution would deliver significant savings and efficiency improvements for specific...
Provided by TriCipher
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White Papers
Improving the Enrollment in Dynamic Signature Verification With Synthetic Samples
Jan 2009
A novel scheme to generate multiple synthetic samples from a real on-line handwritten signature is proposed. The algorithm models a transmission channel which introduces a certain distortion into...
Provided by Universidad Autonoma de Madrid
-
White Papers
A New Secure Design for Mobile Communication
Jul 2009
Mobile handheld device is a popular device that provides secure, private, authentic, and accurate communication and exchange of confidential information. This paper proposes a technique to solve...
Provided by Journal of Theoretical and Applied Information Technology
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White Papers
Digital Signature Scheme Based on Two Hard Problems
Jan 2008
In 1998, Shao Proposed two digital signature schemes based on factoring and discrete logarithms. At the same year, Li and Xiao showed that Shao's schemes are insecure are not based on any hard...
Provided by Huaibei Coal Normal College
-
White Papers
New Digital Signature Scheme Using Polynomials Over Non-Commutative Groups
Feb 2008
Digital signatures are probably the most important and widely used cryptographic primitive enabled by public key technology, and they are building blocks of many modern distributed computer...
Provided by Andhra University
-
Whitepapers
Some Connections Between Primitive Roots and Quadratic Non-Residues Modulo a Prime
Sep 2012
Generating primitive roots modulo a prime is a fundamental problem in number theory, with major applications in cryptography. Diffie-Hellman key establishment scheme, ElGamal public-key...
Provided by International Association for Cryptologic Research
-
Whitepapers
Perfect Ambiguous Optimistic Fair Exchange
Aug 2012
Protocol for fair exchange of digital signatures is essential in many applications including contract signing, electronic commerce, or even peer-to-peer file sharing. In such a protocol, two...
Provided by University of Wisconsin�River Falls
-
Whitepapers
Group Signatures with Almost-for-Free Revocation
Aug 2012
Group signatures are a central cryptographic primitive where users can anonymously and accountably sign messages in the name of a group they belong to. Several efficient constructions with...
Provided by Universite Bordeaux 1
-
Whitepapers
On the Security of Dynamic Group Signatures: Preventing Signature Hijacking
Jul 2012
The authors identify a potential weakness in the standard security model for dynamic group signatures which appears to have been overlooked previously. More specifically, they highlight that even...
Provided by University of Education, Schw�bisch Gm�
-
Whitepapers
Scalable Group Signatures with Revocation
Aug 2012
Group signatures are a central cryptographic primitive, simultaneously supporting accountability and anonymity. They allow users to anonymously sign messages on behalf of a group they are members...
Provided by Columbia University
-
Whitepapers
Cross-Unlinkable Hierarchical Group Signatures
Jul 2012
The authors introduce the notion of Cross-Unlinkability for group signature schemes. Considering groups organized in a tree structure, where belonging to the parent group is required to join a new...
Provided by Telecom of New Zealand
-
Whitepapers
Comments on Four Multi-Server Authentication Protocols Using Smartcard
Jul 2012
A two-party password authentication protocol for client-server architecture is usually not sufficient when network size increases, especially for an open network such as Internet. Thus,...
Provided by Nanhua University
-
Whitepapers
Optimal Binary/Quaternary Adaptive Signature Design for Code-Division Multiplexing
Dec 2012
The authors consider signature waveform design for synchronous code division multiplexing in the presence of interference and wireless multipath fading channels. The adaptive real/complex...
Provided by Institute of Electrical & Electronic Engineers
-
Whitepapers
An Anonymous Proxy Signature Scheme without Random Oracles
Jun 2012
The concept of proxy signature was introduced in 1996, up to now many proxy signature schemes have been proposed. In order to protect the proxy signer's privacy, the concept of anonymous proxy...
Provided by sharick
-
Whitepapers
Fast and Compact Elliptic-Curve Cryptography
Sep 2012
Elliptic curve signatures have many advantages, however. Current attacks against elliptic curves scale exponentially with key size. Therefore ECC key and signatures can be considerably smaller...
Provided by International Association for Cryptologic Research
-
Whitepapers
Publicly Verifiable Delegation of Large Polynomials and Matrix Computations, with Applications
Jul 2012
Outsourced computations (where a client requests a server to perform some computation on its behalf) are becoming increasingly important due to the rise of Cloud Computing and the proliferation of...
Provided by New York University
-
Whitepapers
A Novel Strong Designated Verifier Signature Scheme without Random Oracles
May 2012
In this paper, a novel pairing based strong designated verifier signature scheme based on non-interactive zero knowledge proofs is proposed. The security of the proposal is presented by sequences...
Provided by sharick
-
Whitepapers
Private Fingerprint Matching
Apr 2012
The authors propose a fully private fingerprint matching protocol that compares two fingerprints based on the most widely-used minutia-based fingerprint matching algorithm. The protocol enables...
Provided by University of Calcutta
-
Whitepapers
Relation Between Verifiable Random Functions and Convertible Undeniable Signatures, and New Constructions
Apr 2012
Verifiable Random Functions (VRF) and Selectively-Convertible Undeniable Signature (SCUS) schemes were proposed independently in the literature. In this paper, the authors observe that they are...
Provided by Ibaraki University
-
Whitepapers
Asymptotic Fingerprinting Capacity in the Combined Digit Model
Apr 2012
Watermarking is a means of tracing the (re-)distribution of content. Before distribution, digital content is modified by applying an imperceptible WaterMark (WM), embedded using a watermarking...
Provided by Eindhoven University of Technology
-
Whitepapers
New Digital Signature Protocol Based on Elliptic Curves
Dec 2012
A lot of practical algorithms for digital signature have been developed since the invention of the public key cryptography in the late 1970's. Let them recall the principle of these methods. The...
Provided by Academy & Industry Research Collaboration Center
-
Whitepapers
Multibiometric Authentication Using DWT and Score Level Fusion
Jul 2012
Multimodal system, which combines more than one biometric trait, gives better recognition performance compare to system based on a single biometric modality. It obtains today's increasing demand...
Provided by EuroJournals
-
Whitepapers
Analysis of Effectiveness of Delivery Ratio for EESARP Based on Analytical and Simulation Results
Aug 2011
In this paper, the authors develop an analytical and simulation framework for Energy Efficient Secure Authenticated Routing Protocol (EESARP) for Mobile Ad-hoc NETworks. Their protocol provides...
Provided by EuroJournals
-
Whitepapers
Confidence Fuzzy Interval in Verification of Offline Handwriting Signature
Dec 2010
A new approach in verification of offline handwriting signature had been proposed. This approach use confidence fuzzy interval for verification. This confidence fuzzy interval achieved by using...
Provided by EuroJournals
-
Whitepapers
A Secure Proxy-Protected Signature Scheme Based on the Strong RSA Assumption
Apr 2010
Ordinary Signature Scheme is one of the most important primitive of public-key cryptography. As a variation of ordinary digital signature scheme, a proxy signature allows a designated person,...
Provided by EuroJournals
-
Whitepapers
Offline Signature Recognition Using Hidden Markov Model (HMM)
Nov 2010
HMM has been used successfully to model speech and online signature in the past two decades. The success has been attributed to the fact that these biometric traits have time reference. Only few...
Provided by International Journal of Computer Applications
-
Whitepapers
Signcryption Scheme That Utilizes Elliptic Curve for Both Encryption and Signature Generation
Jan 2013
Signcryption is a relatively new technique in public key cryptography, that perform both the functions of digital signature and encryption in a single step, in a way that is more efficient than...
Provided by International Journal of Computer Applications
-
Whitepapers
A Secure and Efficient Protocol of Multiple Session Keys Generation
May 2010
To negotiate a session key can benefit from the technique of the public-key cryptography such as key exchange and digital signature. This key cannot be used until the session is finished. In...
Provided by WSDOT
-
Whitepapers
Fingerprint Watermark Embedding by Discrete Cosine Transform for Copyright Ownership Authentication
Sep 2009
In respect to the issues on protecting intellectual property, particular for artistic works in electronic form, some sorts of techniques could be put on a copyright material image to ensure its...
Provided by NORTH ATLANTIC UNIVERSITY UNION
-
Whitepapers
A Novel Distributed RSA Blind and Weakly Undeniable Multi-Signature Scheme
Oct 2012
Digital signature is extensively used in many practical applications as numerous cryptographic services have been proposed. In this paper, the authors will be the first to propose a signature...
Provided by Feng Chia University
-
Whitepapers
A Novel Digital Signature Scheme Based on Cubic Residue with Provable Security
Mar 2012
Since a single computationally hard problem today may possibly be solved efficiently in the future, many researchers endeavored in recent years to base their cryptosystem security on solving two...
Provided by Feng Chia University
-
Whitepapers
A Provably Secure Certificateless Proxy Signature Scheme
Sep 2011
Proxy signature, a variant of digital signature, is in the limelight in recent years for secure communication. For instance, when a manager is occupied with business matters, or travelling on...
Provided by Asia University
-
Whitepapers
Generalization of Proxy Signature Based on Factorization
Mar 2011
Digital signatures are widely used to replace hand-written signatures in the digital world. However, simple digital signature schemes are not enough to satisfy today's practical conditions. For...
Provided by Asia University
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Whitepapers
Analyzing Digital Signature Robustness with Message Digest Algorithms
Mar 2012
In this paper, the authors have analyzed the robustness of various message digest with respect to digital signature. The repetitive sequences in the digest will decrease the robustness of the...
Provided by International Journal of Computer Applications
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Whitepapers
Watermark Attacks and Applications in Watermarking
Jun 2012
Digital watermarking of multimedia content has become a very active research area over the last several years. Digital watermarking is the process of embedding watermark into a digital signal. A...
Provided by International Journal of Computer Applications
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Whitepapers
Digital Watermarking using CDMA Technology
Jun 2012
Digital watermarking is defined as a process of embedding data (watermark) into an image to protect the owner's right to that data. Along with the explosive growth of the Internet, digital media...
Provided by International Journal of Computer Applications
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Whitepapers
Prospective Utilization of Elliptic Curve Cryptography for Security Enhancement
Jan 2013
Now-a-days Elliptic Curve Cryptography (ECC) is the most efficient public key encryption scheme based on elliptic curve concepts that can be used to create faster, smaller, and efficient...
Provided by International Journal of Application or Innovation in Engineering & Management (IJAIEM)
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Whitepapers
A Survey on Offline Signature Recognition and Verification Schemes
Aug 2012
Signature has been a distinguishing biometric feature through ages. They are extensively used as a means of personal verification; therefore an automatic verification system is needed. Even today...
Provided by IOSR Journal of Engineering
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Whitepapers
A Modified Approach for Implementation of an Efficient Padding Scheme in Digital Signature System
Apr 2010
In order to provide secure transaction of documents over an insecure channel, Digital Signature Systems are made use of and Hash function is an eternal component of it. The requirement of devising...
Provided by Academy & Industry Research Collaboration Center
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Whitepapers
An Efficient Proxy Signature Scheme Based on RSA Cryptosystem
Feb 2013
A proxy signature allows a designated person, called a proxy signer, to sign the message on behalf of the original signer. Proxy signatures are very useful tools when one needs to delegate users...
Provided by PT. Phase Solusindo
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Whitepapers
Faster Method for Secure Transmission of Information with Sender Identification
Feb 2013
In this paper, the authors describes an algorithm for secure transmission of information via open communication channels based on the discrete logarithm problem. The proposed algorithm also...
Provided by Scientific Research
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Whitepapers
Public-Key Cryptosystems with Secret Encryptor and Digital Signature
Jan 2013
In this paper, the authors describe and compares a variety of algorithms for secure transmission of information via open communication channels based on the discrete logarithm problem that do not...
Provided by Scientific Research
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Whitepapers
Implementing Digital Signature Based Secured Card System for Online Transactions
Mar 2013
The RSA and other allied cryptographic mechanisms are widely used to provide security to the data during any online web based transactions. It has been proved that the Zhang proposed RSA...
Provided by International Journal of Computer Applications
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Whitepapers
Stamped Proxy Blind Signature Scheme
Feb 2013
This paper presents two types of digital signature schemes combinely that are blind signature and proxy signature. In the proxy blind signature scheme, a signer other than the original signer...
Provided by International Journal of Computer Applications
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Whitepapers
Short Signature From Factoring Assumption in the Standard Model
Oct 2012
Digital signatures are one of the most important fundamental cryptographic primitives, which can be used to construct complex cryptographic protocols. However, most practical signatures can only...
Provided by Nanjing University of Posts and Telecommunications
