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...ECE495F Homework 6
Due: 02/26/08 (Tuesday) before class Introduction
The goal of this homework is to give you a deeper understanding of AES, especially with regard to how nite elds are used in AES.
Problem Statement
Write a Perl or Python script tha...
...ECE495F Homework 1
Due: 01/17/08 (Thursday) before class
The purpose of this homework is to get you started programming in Perl or Python and also to understand basic concepts of encryption.
Problem 1. Histogram
Write a script called hist.pl in Perl...
...Object Oriented Python A Quick Review by Avinash Kak kak@purdue.edu
Last Modied: June 19, 2006
This review was created specially for the students taking ECE 495F, Introduction to Computer Security, to help them with writing Python scripts for sol...
...Lecture 14: Elliptic Curve Cryptography
Lecture Notes on Computer and Network Security by Avi Kak (kak@purdue.edu)
May 8, 2008
c 2008 Avinash Kak, Purdue University
Goals:
Introduction to elliptic curves A group structure imposed on the points on...
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16 Lecture Cryptographic standards Public-key Cryptography Standards international standards ISO ISO unofficial industry standards RSA Labs PKCS PKCS industry standards IEEE P1363 bank standards ANSI ANSI X9 federal standards NIST FIPS PKCS Public-Key Cryptography Standards Informal Industry Standards developed by RSA Laboratories in cooperation with Apple, Digital, Lotus, Microsoft, MIT, Northern Telecom, Novell, Sun First, except PGP, formal specification of RSA and formats of messages. 1 IEEE P1363 Working group of IEEE including representatives of major cryptographic companies and university centers from USA, Canada and other countries Part of the Microprocessors Standards Committee Modern, open style Quaterly meetings + multiple teleconferences + + discussion list + very informative web page with the draft versions of standards IEEE P1363 Combined standard including the majority of modern public key cryptography Several algorithms for implementation of the same function Tool for constructing other, more specific standards Specific applications or implementations may determine a profile (subset) of the standard ANSI X9 American National Standards Institute Work in the subcommittee X9F developing standards for financial institutions Standards for the wholesale (e.g., interbank) and retail transactions (np. bank machines, smart card readers) ANSI represents U.S.A. in ISO 2 ISO International Organization for Standardization International standards Common standards with IEC International Electrotechnical Commission ISO/IEC JTC1 SC 27 Joint Technical Committee 1, Subcommitte 27 Full members ( 21): Australia, Belgium, Brazil, Canada, China, Denmark, Finland, France, Germany, Italy, Japan , Korea., Holland , Norway , Poland, Russia , Spain, Sweden, Switzerland , UK, USA ISO: International Organization for Standardization Long and laborious process of the standard development Study period NP - New Proposal WD - Working Draft CD - Committee Draft DIS - Draft International Standard IS - International Standard Review of the standard after 5 years = ratification, corrections or revocation Minimum 3 years NIST FIPS National Institute of Standards and Technology Federal Information Processing Standards American Federal Standards Required in the government institutions Original algorithms developed in cooperation with the National Security Agency (NSA) 3 Secret-key cryptography standards Federal standards Banking standards International standards NIST FIPS 46-1 DES FIPS 46-2 DES FIPS 81 Modes of operation FIPS 46-3 Triple DES X3.92 ANSI DES ISO ISO 8732 Modes of operation of a 64-bit X3.106 DES modes of operation cipher X9.52 Modes of operationISO 10116 Modes of of Triple DES operation of an n-bit cipher AES Public-key Cryptography Standards international standards ISO ISO unofficial industry standards RSA Labs PKCS PKCS industry standards IEEE P1363 bank standards ANSI ANSI X9 federal standards NIST FIPS 1991 1992 1993 1994 1995 1996 1997 1998 1999 PKCS PKCS #1-10 PKCS #7,11PKCS #13,15 PKCS #1 v2.0 IEEE P1363 P1363a ANSI 9796 10118-1,2 X9.30 (DSA) X9.62(EC-DSA) X9.31 (RSA, R-W) 11770-3(DH) 10118-3,4 14888(DSA) FIPS 180-1 9796-4(NR) (SHA-1) FIPS-186-1(DSA&RSA) ISO NIST FIPS 180(SHA-0) FIPS 186(DSS) 4 IEEE P1363 factorization discrete logarithm Elliptic curve discrete logarithm encryption RSA with OAEP signature RSA & R-W with ISO-14888 or ISO 9796 DSA, NR with ISO 9796 EC-DSA, EC-NR with ISO 9796 EC-DH1, EC-DH2 and EC-MQV key agreement DH1 DH2 and MQV IEEE P1363a factorization discrete logarithm Elliptic curve discrete logarithm encryption RSA with OAEP new scheme new scheme signature RSA & R-W with ISO-14888 or ISO 9796 DSA, NR with ISO-9796 EC-DSA, EC-NR with ISO 9796 EC-DH1 EC-DH2 & EC-MQV key agreement new scheme DH1 DH2 & MQV ANSI X9 Standards factorization discrete logarithm Elliptic curve discrete logarithm encryption X9.44 RSA signature X9.31 (RSA & R-W) X9.30 DSA X9.62 EC-DSA key agreement X9.42 DH1, DH2, MQV X9.63 EC-DH1, 2 EC-MQV 5 Industry standards - PKCS factorization discrete logarithm Elliptic curve discrete logarithm encryption PKCS #1 RSA PKCS #13 new scheme signature PKCS #1 (RSA i R-W) PKCS #13 EC-DSA key agreement PKCS #2 DH PKCS #13 EC-DH1, 2 EC-MQV NIST - FIPS factorization discrete logarithm Elliptic curve discrete logarithm encryption signature FIPS 186-1 RSA FIPS 186 DSA key agreement International standards ISO factorization discrete logarithm Elliptic curve discrete logarithm encryption signature ISO 9796-1 ISO 9796-2 ISO-14888-3 ISO 9796-4 ISO-14888-3 ISO 9796-4 key agreement ISO-11770-3 ISO-11770-3 6 Secure key sizes Discrete logarithm Elliptic curve discrete logarithm factorization PKCS IEEE P1363 ANSI X9 NIST FIPS ISO 1024 1024 512 L 1024 160 Padding schemes Signatures with appendix PKCS #1 ISO 14888 ISO 14888 ISO 9796 ISO 9796 Signatures with message recovery Encryption OAEP PKCS #1 OAEP OAEP PKCS IEEE P1363 ANSI X9 NIST FIPS ISO ISO 14888 ISO 9796 Hash functions Based on block ciphers Based on modular arithmetic dedicated MD5 MD2 SHA-1 RIPEMD-160 SHA-1 RIPEMD-160 SHA-1 SHA-1, RIPEMD-128, 160 PKCS IEEE P1363 ANSI X9 NIST FIPS ISO MDC-2 MASH-1 MASH-2 7 Notes for users of cryptographic products (1) Agreement with a standard does not guarantee the security of a cryptographic product! Security = secure algorithms (guaranteed by standards) proper choice of parameters secure implementation proper use Notes for users of cryptographic products (2) Agreement with the same standard does not guarantee the compatibility of two cryptographic products ! compatibility = the same algorithm (guaranteed by standards) the same protocol the same subset of algorithms the same range of parameters 8
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George Mason >> ECE >> 543 (Fall, 2009)
ECE 646 Cryptography and Computer Network Security Course web page: http:/ece.gmu.edu/courses/ECE543 ECE web page Courses Course web pages ECE 646 Kris Gaj Assistant Professor at GMU since Fall 1998 Research and teaching interests: cryptography...
George Mason >> ECE >> 543 (Fall, 2009)
Tentative Project Preferences as of 09/15/04 Software Projects - Fall 2004 Educational software KRYPTOS - Educational software for a cryptographic laboratory. Noah Dowd noahdowd@yahoo.com Mayur Enjamoori menjamoo@gmu.edu Aparna Kasturi akasturi@gm...
George Mason >> ECE >> 543 (Fall, 2009)
ECE 646 - Lecture 1 Security Services Need for information security widespread use of data processing equipment: computer security widespread use of computer networks and distributed computing systems: network security Security Threats in Bankin...
George Mason >> ECE >> 543 (Fall, 2009)
ECE646 Lab #3 Kryptos Properties of secret-key ciphers A final report must be submitted by WebCT and is due on Tuesday, November 15, by 11:55 PM. BACKGROUND Expected Background: understanding of Lectures 7 and 8 Required Reading: W. Stallings, Cryp...
George Mason >> ECE >> 543 (Fall, 2009)
PRACTICE9 Give 3 or 4 signi cant digits for oating point numerical answers. Your psvn for this assignment is . that can be obtained by using RSA are: A. authentication and non-repudiation B. con dentiality and authentication C. integrity and authen...
George Mason >> ECE >> 543 (Fall, 2009)
ECE 646 - Lecture 2 Basic Concepts of Cryptology CRYPTOLOGY CRYPTOGRAPHY CRYPTANALYSIS from Greek cryptos - hidden, secret logos - word graphos - writing 1 Basic Vocabulary encryption (encipherment) message (plaintext, clear message) M Sender ...
George Mason >> ECE >> 543 (Fall, 2009)
Software Projects - Fall 2005 Educational software KRYPTOS - Educational software for a cryptographic laboratory. Padmanabhan Raman praman@gmu.edu Michael J. Lambert mlamber3@gmu.edu George Koodarappally gkoodara@gmu.edu Philip Hines - phines1@gm...
George Mason >> ECE >> 543 (Fall, 2009)
ECE 646 - Lecture 8 Secret-Key Ciphers: RC5 & IDEA - Revised RC5 Ron Rivest, MIT, 1994 (Rons Code 5, Rivests Cipher 5) variable key length (40 bits in the former export version, 128 bits to achieve the same strength as IDEA) variable block size...
George Mason >> ECE >> 543 (Fall, 2009)
G u a r a n t e e i n g T r u s t w o r t h y E l e c t r o n i c R e c o r d s TM Third-party Digital Timestamping Provides a reliable means of verifying time and content integrity independent of an organizations internal processes and controls. ...
George Mason >> ECE >> 543 (Fall, 2009)
ECE 646 - Lecture 12 Key management Using the same key for multiple messages M1 M2 M3 M4 M5 time EK time C1 C2 C3 C4 C5 1 Using Session Keys & Key Encryption Keys K1 K2 EKEK EKEK(K1) M1 M2 EKEK(K2) M3 EKEK(K3) M4 M5 time K3 time time EK1...
George Mason >> ECE >> 543 (Fall, 2009)
ECE 646 Lecture 11a Hash functions new attacks Hash function algorithms Customized (dedicated) MD2 MD4 Rivest 1988 Rivest 1990 Based on block ciphers MDC-2 MDC-4 Based on modular arithmetic MASH-1 1988-1996 IBM, Brachtl, Meyer, Schilling, 1988 ...
George Mason >> ECE >> 746 (Spring, 2008)
1 Analysis of Existing Implementations of True Random Number Generators M.Dugan, MS Computer Engineering Student, GMU AbstractThe goal of this project is to develop evaluation criteria for analyzing True Random Number Generators. Using these evalua...
George Mason >> ECE >> 447 (Fall, 2008)
ECE 447 Lab Assignment #1: A/D Simulation Assigned September 5, 6, 7, 2006. Due Dates: 1. Demonstrations of the lab assignment must be completed by the first 20 minutes of your lab on September 11, 12, 13, 2006. 2. The lab-write up and the source co...
George Mason >> ECE >> 448 (Fall, 2008)
Midterm Exam ECE 448 Spring 2007 Tuesday Section (15 points) Instructions Zip all your deliverables into an archive <last_name>.zip and submit it through WebCT no later than Tuesday, March 20, 10:30 PM EST. Introduction Design a digital system that...
George Mason >> ECE >> 646 (Fall, 2008)
ECE646 Fall 2008 Lab 1: Pretty Good Privacy Part 2 PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY: 1. You are required to address all the questions listed in this manual, in your final report. 2. All e-mails exchanged with other students as a par...
George Mason >> ECE >> 646 (Fall, 2008)
ECE 646 Fall 2002 Final Exam Exam track December 10, 2002 Multiple-choice test Choose 6 out of 7 problems 1. (2 pts) Precomputations (computations performed before a message or a ciphertext becomes available) can be used to speed up the following cr...
George Mason >> ECE >> 646 (Fall, 2008)
ECE 646 Laboratory 3 Implementation and Breaking of Public Key Cryptosystems using MAGMA Software access MAGMA (High performance software for Algebra, Number Theory, and Geometry) is available on the GMU server called enigma.gmu.edu, which can be acc...
George Mason >> ECE >> 646 (Fall, 2008)
PGP Lab Introduction Lab1 Section 3 GMU ID Public Card Name: Kris Gaj Email Address: kgaj01@yahoo.com Public Key Id: Finger Print: 0x46CDB96C 660E 3CCC 3095 1A21 B9BC 0F6F 2678 C362 46CD B96C Lab1 Section 3 A DIRECT TRUST GROUP GMU ID P.Card P.C...
George Mason >> ECE >> 646 (Fall, 2008)
ECE 646 Fall 2005 Multiple-choice test 1. (1 pt) Arrange the following ciphers in the order of the increasing measure of roughness for the ciphertext obtained by encrypting 1000-letter message with a given cipher (start from the cipher giving the sm...
George Mason >> ECE >> 646 (Fall, 2008)
ECE646 Lab #2 CrypTool Historical Ciphers A final report should be submitted using Blackboard and is due on Sunday, November 15, by 11:59 PM. BACKGROUND Expected Background: understanding of Lecture 6, Historical Ciphers Recommended Reading: W. Sta...
George Mason >> ECE >> 646 (Fall, 2008)
ECE 646, Midterm Exam 2 Fall 2001 Multiple-choice test 1. (1 pt) 1024-bit RSA can be securely used in the following block cipher modes (choose as many as appropriate): A. ECB B. counter mode with j=8 C. CFB with j=64 D. CBC E. OFB with j=1024 2. (1 p...
George Mason >> ECE >> 646 (Fall, 2008)
Multiple-choice test 1. (1 pt) The ciphertext character frequency shown in the attached figure most likely corresponds to the following cipher A. B. C. D. E. affine cipher with a=1 and b=2 Vigenere cipher with the period p=2 transposition cipher shif...
George Mason >> ECE >> 646 (Fall, 2008)
ECE646 Fall 2007 Lab 1: Pretty Good Privacy Part 1 PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY: 1. PART I, must be performed before the lecture on Wednesday, September 24th. In order to perform the following lab, you are required to have an u...
George Mason >> ECE >> 2005 (Fall, 2009)
PROJECT SPECIFICATION Hoang Le Steve Hubbard 1. Introduction and motivation In this project, the existing VHDL code which was written to run in SRC-6 (based on Xilinx FPGAs Virtex II 6000) will be examined and optimized to get to the desired speed. I...
George Mason >> ECE >> 646 (Fall, 2008)
PROJECT SPECIFICATION Hoang Le Steve Hubbard 1. Introduction and motivation In this project, the existing VHDL code which was written to run in SRC-6 (based on Xilinx FPGAs Virtex II 6000) will be examined and optimized to get to the desired speed. I...
George Mason >> ECE >> 2005 (Fall, 2009)
Implementation of Elliptic Curve Encryption in the GAIM Instant Messenger Client Matthew Estes Philip Hines Michael Lambert Objective Implement Elliptic Curve Encryption (ECC) support as a plug-in for the open source instant messenger client GAIM. A...
George Mason >> ECE >> 646 (Fall, 2008)
Implementation of Elliptic Curve Encryption in the GAIM Instant Messenger Client Matthew Estes Philip Hines Michael Lambert Objective Implement Elliptic Curve Encryption (ECC) support as a plug-in for the open source instant messenger client GAIM. A...
George Mason >> ECE >> 2005 (Fall, 2009)
Survey of the commercially available chips and IP cores implementing cryptographic algorithms Prerna A. Arora Michael R. Dugan Prajakta G. Gogte Introduction: Due to an increasing demand for system security, a large computational burden is being plac...
George Mason >> ECE >> 646 (Fall, 2008)
Survey of the commercially available chips and IP cores implementing cryptographic algorithms Prerna A. Arora Michael R. Dugan Prajakta G. Gogte Introduction: Due to an increasing demand for system security, a large computational burden is being plac...
George Mason >> ECE >> 2005 (Fall, 2009)
ECE 646 Project Specification Hardware Implementation of Twofish Block Cipher Submitted by - Ranjeeta Patil Introduction: Twofish was one of the five finalists in the AES contest. It is a 128-bit block cipher and supports key sizes of 128, 192 and ...
George Mason >> ECE >> 646 (Fall, 2008)
ECE 646 Project Specification Hardware Implementation of Twofish Block Cipher Submitted by - Ranjeeta Patil Introduction: Twofish was one of the five finalists in the AES contest. It is a 128-bit block cipher and supports key sizes of 128, 192 and ...
George Mason >> ECE >> 646 (Fall, 2008)
Capabilities and Performance of Java/C+/JNI Implementations of NTRU Public Key Cryptosystem Krishnapriya Kadati, Karthika Bhimavarapu and George Koodarappally History of NTRU Relatively new Public Key Cryptosystem First introduced in CRYPTO 96 F...
George Mason >> ECE >> 646 (Fall, 2008)
Analysis of Enterprise VPNs Project Presentation, ECE646- Dr. Kris Gaj Arif Basha December 19, 2005 Agenda Basics Description of Technologies Strengths & Weaknesses Test Lab Details Known Threats Market Survey Recommendations Conclusion Basics What...
George Mason >> ECE >> 646 (Fall, 2008)
Cellular Digital Packet Data Specification of wireless access to the internet and other public packet switched networks Basic components of CDPD T T T T M-ES Mobile end system MDBS Mobile database station MD-IS Mobile data intermediate system FES Fi...
George Mason >> ECE >> 646 (Fall, 2008)
Project SPI-2 Modulo Reduction of Large Integers using the Classical, Barrett, Montgomery Team Members: Bich-Ha Phung Michael Johnson Thomas Shackelford Sukhonthip Rueangvivatanakij Classical Algorithm (pseudo code ) The pseudo code of the Classic...
George Mason >> ECE >> 646 (Fall, 2008)
SHA-256 in FPGA A presentation by Damian Fedoryka Introduction Maps a message to a digest Secure 2n/2 attacks necessary (Birthday Paradox) SHA-256 as secure as AES-128 Standardized by Federal Government in 2002 Hash Application Digital Signat...
George Mason >> ECE >> 636 (Fall, 2009)
Lecture 14 Hardware Implementations of Cryptography Software or hardware? SOFTWARE security of data during transmission HARDWARE speed random key generation access control to keys tamper resistance (viruses, internal attacks) low cost flexibility...
George Mason >> ECE >> 636 (Fall, 2009)
(&(6SULQJ 9LVKQXPDOD5DQJDUDMDOX 3KRQH (0$,/YLVKQXPDOD#KRWPDLOFRP 3URMHFW6SHFLILFDWLRQ\'RFXPHQW Survey of the Capabilities of Cryptographic Smart Cards for a University . . . Table of Contents. . . . Introduction..1 . . Comparisons .1 Implementation...
George Mason >> ECE >> 636 (Fall, 2009)
Survey of Public Key Infrastructure Software Packages Project Specification Kevin Magee Matt Rutherford ECE 636 Spring 2001 Prof. Gaj Overview We plan to survey commercial software packages supporting Public Key Infrastructure (PKI). We will begin b...
George Mason >> ECE >> 636 (Fall, 2009)
S tatistical T e s t s for Randomness Chandrika Lanka Harini Vasudevan Swetha Manne Objective Study and test the existing Pseudorandom Number Generators using public domain implementation of NIST Statistical Test Suite and integrate the results wi...
George Mason >> ECE >> 636 (Fall, 2009)
3 IN 1 HARDWARE IMPLEMENTATION OF RJINDAEL CIPHER ECE636 PROJECT TIM GREMBOWSKI MAY 5, 2001 AGENDA RATIONALE IMPLEMENTATION PLAN OPERATIONAL OVERVIEW KEY UNIT COMPARE / STATUS ENCRYPTION UNIT COMPARE / STATUS OPPORTUNITIES IMPLEMENTATION PLAN WHY 3...
George Mason >> ECE >> 636 (Fall, 2009)
Robert Salembier Paul Southerington AKS: Fast Implementation of the Deterministic Primality Algorithm Objective Improve upon previous works regarding the Agrawal-Kayal-Saxema (AKS) deterministic polynomial-test. The AKS test with be implemented in a...
George Mason >> ECE >> 636 (Fall, 2009)
JAVA based Cryptographic Smart Cards (JAVA Cards) By Ganesh Maddipati G00319990 A smart card is a plastic card about the size of a credit card, with an embedded microchip that can be loaded with data, used for telephone calling, electronic cash paym...
George Mason >> ECE >> 636 (Fall, 2009)
Group protocols for Secure wireless Ad hoc Networks Tentative Specifications ECE 746 spring2005 Aparna Kasturi. Swethana Pagadala. Sri Chand Kamisetty. Srikanth Nannapaneni. Introduction: An ad hoc network is a collection of nodes that do not need ...
George Mason >> ECE >> 636 (Fall, 2009)
Design of a System-on-a-Programmable-Chip (SoPC) embedded system featuring secure partial reconfiguration capability using ICAP and embedded microprocessor cores inside the FPGA. In this design the application running on the processor core is able to...
George Mason >> ECE >> 636 (Fall, 2009)
GEORG E M ASON U NIV ERSITY DOCUMENT SPECIFICATIONS SECURE VOICE OVER IP (VOIP) Himabindu Marisetty : Vinodini Thota : Peter K Huang ECE 746 Secure Telecommunication Systems Professor Kris Gaj Spring Semester 2004 INTRODUCTION With the Internet p...
George Mason >> ECE >> 636 (Fall, 2009)
Implementation of Software Tools For The Medium-Size Certification Authority (Specification Version 1) Luu Pham lpham2@gmu.edu Hee Song hsong4@gmu.edu GMU Mar. 2004 ECE 746Software Tools For Certification Authority Luu Pham-Hee Song Table of...
George Mason >> ECE >> 636 (Fall, 2009)
Choosing the right VPN Solution for your Enterprise Specification Aleksandar Lazarevich Robert Hannan 703-393-2247 703-491-4860 alazarevich@comcast.net rhannan7@hotmail.com 1. The purpose of this project is to compare the Secure Socket Layer Protoco...
George Mason >> ECE >> 636 (Fall, 2009)
ECE 746 Potential Project Topic Sign-Up Sheet Instructions: Please put your name and e-mail address under up to 3 project topics you are potentially interested in. Please extend the list of topics if you are proposing the topic by yourself. Software...
George Mason >> ECE >> 636 (Fall, 2009)
ECE 746 Secure Telecommunication Systems Course web page: http:/ece.gmu.edu/courses/ECE636/index.htm ECE web page Courses Course web pages ECE 746 Sequence of the ECE cryptography-related courses Cryptography and Computer Network Security ECE 6...
George Mason >> ECE >> 636 (Fall, 2009)
ECE 746 Potential Project Topic Sign-Up Sheet Instructions: Please put your name and e-mail address under up to 3 project topics you are potentially interested in. Please extend the list of topics if you are proposing a topic by yourself. Software E...
George Mason >> ECE >> 636 (Fall, 2009)
6XUYH\\RI3XEOLF.H\\ ,QIUDVWUXFWXUH6RIWZDUH 3DFNDJHV %\\ Kevin Magee & Matt Rutherford ECE 636 Spring 2001 Prof. Gaj Public Key Infrastructure A product Survey Project Objective Overcoming the Terminology Enterprise PKI Standards Whats Important ...
George Mason >> ECE >> 636 (Fall, 2009)
Three Classes of Elliptic Curves Implementing Elliptic Curve Cryptography Implementing Elliptic Curve Cryptography K=GF(p) K=GF(2m) Sarah Miers Sarah Miers May 3,2001 May 3,2001 Polynomial Basis 1 Normal Basis 2 Contents Contents Mathematical...
George Mason >> ECE >> 636 (Fall, 2009)
ECE 746 Spring 2004 Analytical Project Analysis of Electronic Cash Systems Woo Suk Lee Pipat Songkaitisak Draft 1/1 ECE 746 Spring 2004 Analytical Project Table of Contents 1. INTRODUCTION.. 3 2. CLASSIFICATION . 4 3. EVALUATION METHODOLOGIE...
George Mason >> ECE >> 636 (Fall, 2009)
1 Implementation of Elliptic Curve Cryptosystems Using Reconfigurable Computer Sang Han Abstract II. SCALAR MULTIPLICATION The kP scalar multiplication method proposed by Lopez and Dahab is an extended version of the Montgomery method. The Montgom...
George Mason >> ECE >> 636 (Fall, 2009)
1 Secure Voice over Internet Protocol (VoIP) Himabindu Marisetty, Vinodini Thota, and Peter K Huang: ECE 746; George Mason University AbstractVoice over Internet Protocol (VoIP) is an emerging technology bound shortly to our workplaces. This paper ...
George Mason >> ECE >> 636 (Fall, 2009)
Analysis of IPSec in Various Modes and Interoperability Issues among Various Implementations. Kiranmayi Kadambari, Rama Donthireddy, Prakairat Moon Introduction The purpose of the IPSec (Internet Protocol Security) protocol suite is to provide a sta...
George Mason >> ECE >> 2006 (Fall, 2009)
Project Specification Factoring of Large Numbers using Number Field Sieve Chandana Anand, Arman Gungor, and Kimberly A. Thomas Introduction: The security of public-key cryptographic schemes relies on the property that multiplying prime numbers togeth...
George Mason >> ECE >> 646 (Fall, 2008)
Project Specification Factoring of Large Numbers using Number Field Sieve Chandana Anand, Arman Gungor, and Kimberly A. Thomas Introduction: The security of public-key cryptographic schemes relies on the property that multiplying prime numbers togeth...
George Mason >> ECE >> 2006 (Fall, 2009)
FINAL Project Specifications Improvements to TESLA Broadcast Authentication Protocol ECE646: Cryptography and Network Security Professor Jens-Peter Kaps September 24, 2006 Project Team: Krishna Chaitanya Thirumalasetty KamalEldin Mohamed Lieyong Y...
George Mason >> ECE >> 646 (Fall, 2008)
FINAL Project Specifications Improvements to TESLA Broadcast Authentication Protocol ECE646: Cryptography and Network Security Professor Jens-Peter Kaps September 24, 2006 Project Team: Krishna Chaitanya Thirumalasetty KamalEldin Mohamed Lieyong Y...
George Mason >> ECE >> 2006 (Fall, 2009)
ECE 646 Fall 2006 Project Team: Steven Aumack Michael Koontz Group HI-1 Project Specification TEA: Tiny Encryption Algorithm 1 1. Introduction For the project portion of fall 2006 ECE 646 class, we will complete a hardware and software project ba...
George Mason >> ECE >> 646 (Fall, 2008)
ECE 646 Fall 2006 Project Team: Steven Aumack Michael Koontz Group HI-1 Project Specification TEA: Tiny Encryption Algorithm 1 1. Introduction For the project portion of fall 2006 ECE 646 class, we will complete a hardware and software project ba...
George Mason >> ECE >> 646 (Fall, 2008)
ECE 646 - Lecture 1 Security Services Need for information security widespread use of data processing equipment: computer security widespread use of computer networks and distributed computing systems: network security 1 Security Threats in Ban...
George Mason >> ECE >> 646 (Fall, 2008)
eaf2b1fc39c8c9b08b35124e8d6df348 36a383994590c1a836800f68a08d00ba f13be1e68c2ac846899aa67564e63d93 72a40ac74b7a2472826f306f02e508fc bb1bd4180003b75fab778ebfd35b493c BR-1: Attacks on MD-5 Hashed Passwords Antony G. Robertiello Kiran A. Bandla GMU...
George Mason >> ECE >> 543 (Fall, 2009)
Analysis of the public domain software implementations of IPSec Ban Ly Objective: The object of this project is to perform analysis on IPSec between public domain software (FreeSWan, KAME) and Cisco. Language, Platform, etc: Test bed will include two...
George Mason >> ECE >> 543 (Fall, 2009)
Internet Firewall Technologies Masoud Alghul, Alieu Ceesay, Ahmed Koshok ECE 590, Spring 1999. What is a firewall and it used? A firewall is a network gateway that enforces security rules on the conversion of peer-to-peer communications. A firewall...
George Mason >> ECE >> 543 (Fall, 2009)
George Mason University ECE - 646 Fall 2003 Analytical Project Jay A. Crossler (240) 498-7774 jay@crossler.com Project Specification Document Defensive Strategies for Establishing a Secure Wireless Network Third Draft of Proposal Objective and T...
George Mason >> ECE >> 543 (Fall, 2009)
ECE 646 PROJECT SPECIFICATION Hardware Implementation of IDEA by Onur Tigli tigli@gwu.edu 1. Design Entry Method: The design entry will be completed in Verilog HDL. The design will be targeted for an ASIC implementation. The logic synthesis will be ...
George Mason >> ECE >> 543 (Fall, 2009)
Lecture 12 RSA key generation Generation of the RSA keys e prime number generation P, Q Typically e = 3 or e = 216 + 1 gcd(e, P-1) = 1 gcd(e, Q-1) = 1 Extended Euclids algorithm N=P Q d = e-1 mod (P-1) (Q-1) 1 Choosing the size of the RSA ke...
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