International Journal of Network Security & Its Applications (IJNSA)‚ Vol.3‚ No.6‚ November 2011 ROLE OF MULTIPLE ENCRYPTION IN SECURE ELECTRONIC TRANSACTION Himanshu Gupta Senior Faculty Member‚ Amity Institute of Information Technology‚ Amity University Campus‚ Sector – 125‚ Noida (Uttar Pradesh)‚ India. E-mail: himanshu_gupta4@yahoo.co.in Vinod Kumar Sharma Professor & Dean‚ Faculty of Technology‚ Gurukula Kangri Vishwavidyalaya‚ Haridwar‚ India E-mail: vks_sun@ymail.com ABSTRACT
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International Journal of Computer Applications (0975 – 888) Volume 47– No.12‚ June 2012 Database Security and Encryption: A Survey Study Iqra Basharat Farooque Azam National University of Sciences and Technology (NUST)‚ H-12‚ Islamabad‚ Pakistan National University of Sciences and Technology (NUST)‚ H-12‚ Islamabad‚ Pakistan ABSTRACT Security in today’s world is one of the important challenges that people are facing all over the world in every aspect of their lives. Similarly
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A preliminary version of this paper appears in the proceedings of Eurocrypt 2013. This is the full version. Message-Locked Encryption and Secure Deduplication Mihir Bellare1 Sriram Keelveedhi2 Thomas Ristenpart3 March 2013 Abstract We formalize a new cryptographic primitive‚ Message-Locked Encryption (MLE)‚ where the key under which encryption and decryption are performed is itself derived from the message. MLE provides a way to achieve secure deduplication (space-efficient secure outsourced
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two basic types of encryption; asymmetrical and symmetrical. Asymmetrical uses two keys; a public and a private key. The public and the private keys have unique characteristics. In asymmetric encryption you can encrypt with a public key that has a matching private key used for decryption. The other basic type of encryption is called symmetric encryption; the main difference between the two is that symmetrical encryption uses only one key; a private key used for both encryption and decryption.
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INTRODUCTION: Blowfish‚ a symmetric block cipher developed by Bruce Schneier[SCHN93‚ SCHN94)‚ is a Feistel network‚ iterating simple encryption and decryption functions of 16 times each. The block size is 64 bits‚ and the key can be any length up to 448 bits. Although there is a complex initialization phase required before any encryption can take place‚ the actual encryption of data is very efficient on large microprocessors. Blowfish was designed to have the following characteristics: Fast: Blowfish
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International Data Encryption Algorithm CS-627-1 Fall 2004 By How-Shen Chang Table of Contents: Introduction 2 Description of IDEA 3 Key Generation 3 Encryption 4 Decryption 6 Modes of operation 6 Weak keys for IDEA 6 Implementation 7 Applications 8 Conclusion 9 Introduction The Data Encryption Standard (DES) algorithm has been a popular secret key encryption algorithm and is used in many commercial and financial applications. Although introduced in 1976‚ it
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transmitted over a network can be protected by encryption. Below‚ I will explain the way that data transmitted over a network can be encrypted to provide protection. I will explain what encryption entails‚ how data is transmitted‚ and why it is important to encrypt private data to ensure its protection. What Does Encryption Entail and How Does It Work? Encryption entails rearranging data in such a way that only the owner of both the encryption and decryption key can understand. It serves the
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III. DIFFIE-HELLMAN KEY EXCHANGE ALGORITHM Hilter kilter Encryption of information requires exchange of cryptographic private key. The most difficult part in this sort of encryption is the exchange of the encryption key from sender to beneficiary without anybody capturing this key in the middle. This exchange or rather era on same cryptographic keys at both sides cryptically was made conceivable by the Diffie-Hellman calculation. The Diffie-Hellman calculation was produced by Whitfield Diffie and
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1 Encryption is method of scrambling data in some manner during transmission. In periods of war‚ the use of encryption becomes paramount so those messages are not intercepted by the opposing forces. There are a number of different ways to protect data during transmission‚ such as Substitution (character for character replacement) in which one unit (usually character) of cipher text (unintelligible text or signals produced through an encryption system) is substituted for a corresponding unit of plain
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Data Encryption Standard In 1972‚ the NBS Institute for Computer Sciences and Technology (ICST) initiated a project in computer security‚ a subject then in its infancy. One of the first goals of the project was to develop a cryptographic algorithm standard that could be used to protect sensitive and valuable data during transmission and in storage. Prior to this NBS initiative‚ encryption had been largely the concern of military and intelligence organizations. The encryption algorithms‚ i.e.‚ the
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