References: [1]S. Kamara and K. Lauter‚ “Cryptographic cloud storage‚” Financial Cryptography and Data Security‚ 2010. [2]M. Armbrust‚ A. Fox‚ R. Griffith‚ A. Joseph‚ R. Katz‚ A. Konwinski‚ G. Lee‚ D. Patterson‚ A. Rabkin‚ and I. Stoica‚ “A view of cloud Computing‚” Communications of the ACM‚ 2010. [3]A. Sahai and B. Waters‚ “Fuzzy identity-based
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Key: a public key is a value provided by some designated authority as an encryption key that‚ combined with a private key derived from the public key‚ can be used to effectively encrypt messages and digital signatures Private Key: Public-key cryptography refers to a cryptographic system requiring two separate keys‚ one to lock or encrypt the plaintext‚ and one to unlock or decrypt the cyphertext. Neither key will do both functions. One of these keys is published or public and the other is kept
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JPEG images *To whom correspondence should be addressed Aleem Ali M.Tech Scholar‚ Jamia Hamdard(Hamdard University)‚ Hamdard Nager‚ N.D-110062 Abstract Genetic algorithm based method of message hiding employs the features of both Cryptography and Steganography to provide high level protection of secret information .The developed system generates the CRC of the message to be hidden‚ compresses it to achieve faster speed of transmission and asks for a JPEG image which acts as a carrier
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Varshney Roll No.1012210026 Group: 61 SHRI RAMSWAROOP MEMORIAL Group OF PROFESSIONAL COLLEGES‚ LUCKNOW Affiliated to G.B. TECHNICAL UNIVERSITY‚ LUCKNOW INTRODUCTION * RSA is an algorithm for public-key cryptography that is based on the presumed difficulty of factoring large integers‚ the factoring problem. * RSA stands for Ron Rivest‚ Adi Shamir and Leonard Adleman‚ who first publicly described the algorithm in 1977. * Clifford Cocks‚ an English
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Cryptography and Network Security -W. Stalling (4th Ed.) Hoon-Jae Lee CNSL Cryptography and Network Security Lab. hjlee@dongseo.ac.kr http://kowon.dongseo.ac.kr/~hjlee http://crypto.dongseo.ac.kr http://crypto.dongseo.ac.kr 2006-04-02 CNSL-Internet-DongseoUniv. 1 Chap 1. Introduction Agenda Attacks‚ Services‚ and Mechanisms Security Attacks Security Services A Model for Network Security Outline of this Book Recommended Reading 2006-04-02 CNSL-Internet-DongseoUniv
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http://crypto.interactive-maths.com/caesar-shift-cipher.html Introduction To Codes‚ Ciphers‚ & Codebreaking. (2010‚ July 13). Retrieved from Vectorsite: Introduction To Codes‚ Ciphers‚ & Codebreaking Playfair Cipher. (2013‚ March 5). Retrieved from Learn Cryptography: http://learncryptography.com/playfair-cipher/ Vigenère Cipher. (2011‚ August 10). Retrieved from Crypto Corner: http://crypto.interactive-maths.com/vigenegravere-cipher.html
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-2012 ISSN 2229-5518 1 Implementation of Advanced Encryption Standard Algorithm M.Pitchaiah‚ Philemon Daniel‚ Praveen Abstract—Cryptography is the study of mathematical techniques related to aspects of information security such as confidentiality‚ data integrity‚ entity authentication and data origin authentication. In data and telecommunications‚ cryptography is necessary when communicating over any unreliable medium‚ which includes any network particularly the internet. In this paper‚ a 128
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The various dilemmas faced by Tim Cook has been characterized as‚“the dirty-hands problem”;an expressionwhich referred to the hard‚ moral choices involving the“right-versus-right” dilemmas faced by management. The case study categorizes various responsibilities of the management into 4 different spherescalled as‚ “The Four Spheres of Managers’ Commitment”; a clash between which resulted into the various dilemmas for Mr. Cook. These four spheres of commitment include the following: •The Commitment
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Using weak passwords‚ Unencrypted data storage‚ passing clear text credentials over the network‚ using weak authentication mechanisms‚ allowing prolonged session lifetime Access to credentials through data theft‚ access to authenticated user session‚ attacker can do network eavesdropping‚ brute force attacks‚ dictionary attacks‚ cookie replay attacks Use strong password policies‚ do not store credentials in insecure manner‚ use authentication mechanisms‚ encrypt communication channels‚ use secure
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a) b) c) Q3 a) b) c) Q4 a) b) c) a) b) c) Q5 Q6 a) b) c) a) Q7 b) c) 1. Question No.1 is Compulsory. 2. From the remaining (Q Nos. 2 to 7) attempt any four. 3. Draw neat labeled diagram whenever necessary What is Cryptography? Explain Cryptanalysis and role of Cryptanalyst with example. Explain the advantages and disadvantages of Packet Filters. Explain IP Sniffing and IP Spoofing in detail. Write a note on Exponential Attack. What is Substitution Cipher Technique?
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