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Topic: Cryptographic engineering


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In the News (Fri 11 Dec 09)

  
  Cryptographic engineering - Wikipedia, the free encyclopedia
This article is an overview of cryptographic engineering which notes at least some of the differences between ordinary engineering and the cryptographic sort.
Cryptographic designs also have performance goals (eg, unbreakability of encryption), but must perform in a more complex, and more complexly hostile, environment than merely high (but not too low) in the Earth's atmosphere under war conditions.
Most cryptographic algorithms and protocols make certain assumptions (random key or nonce choices, for example), and when those assumptions are violated, all security is lost.
en.wikipedia.org /wiki/Cryptographic_engineering   (983 words)

  
 Cryptography article - Cryptography Greek information encryption secrecy communications spies military - What-Means.com   (Site not responding. Last check: 2007-10-08)
It is also a branch of engineering, but an unusual one as it must deal with active, intelligent and malevolent opposition (see cryptographic engineering and security engineering).
Associated fields are steganography — the study of hiding the very existence of a message, and not necessarily the contents of the message itself (for example, microdots, or invisible ink) — and traffic analysis, which is the analysis of patterns of communication in order to learn secret information.
A cryptanalyst might appear to be the natural adversary of a cryptographer, and to an extent this is true: one can view this contest all through the history of cryptography.
www.what-means.com /encyclopedia/Crypto   (2169 words)

  
 ADA272551 : Access to Classified Cryptographic Information. DODD-5205.8
Classified cryptographic media that embody, describe, or implement a classified cryptographic logic, to include, but not be limited to, full maintenance manuals, cryptographic descriptions, drawings of cryptographic logic, specifications describing a cryptographic logic, and cryptographic computer software.
If a cryptographic system is compromised, but the compromise is not reported, the continued use of the system can result in the loss of all information protected by it.
As a condition of access to classified cryptographic information, you must acknowledge that you may be subject to a non-life-style, counterintelligence scope polygraph examination.
www.fas.org /irp/doddir/dod/dodcrypt.htm   (1071 words)

  
 Cryptography - Wikipedia, the free encyclopedia
Moreover, people without extraordinary needs for secrecy use cryptographic technology, which is often built transparently into much of computing and telecommunications infrastructure.
Cryptography is also considered a branch of engineering, but it is considered to be an unusual one as it deals with active, intelligent and malevolent opposition (see cryptographic engineering and security engineering).
Cryptographic protocols specify the details of how ciphers (and other cryptographic primitives) are to be used to achieve specific tasks.
en.wikipedia.org /wiki/Cryptography   (2438 words)

  
 Cryptography Article, Cryptography Information   (Site not responding. Last check: 2007-10-08)
It is alsoa branch of engineering, but an unusual one as it must deal with active,intelligent and malevolent opposition (see cryptographic engineering and security engineering).
A cryptanalyst might appear to be the natural adversary of a cryptographer, and to an extent this is true: one can view thiscontest all through the history of cryptography.However, it is possible, in fact preferable, to interpret the two roles as complementary: a thorough understanding ofcryptanalysis is necessary to create secure cryptography.
It is well that much progress has been made in a short time; popular applications such as the Internet and mobile phones haverepositioned cryptography, historically the sole province of a few groups with exceptional needs for secrecy, into a mainstreamtechnology on which millions rely.
www.anoca.org /key/ciphers/cryptography.html   (2136 words)

  
 SPEAR: a Security Protocol Engineering & Analysis Resource   (Site not responding. Last check: 2007-10-08)
It is widely recognized that the engineering of cryptographic protocols is a very subtle task which can easily be deceptive to developers.
The security of a protocol refers to the secureness of the actual message interchange, the applicability of the respective cryptographic methods, the type and quantity of data sent across insecure channels and the possible attacks that the protocol may be susceptible to.
Cryptographic protocols are crucial to the increasing use of computer networks for commercial and private communication.
www.cs.uct.ac.za /Research/DNA/SPEAR/dist/spear.html   (3544 words)

  
 Cryptographic engineering
Not crashing is a quite prominent sine qua none in aircraft design.
Essentially no Opponents will ever make their access to message content public, and so neither designers nor implementors nor users of crypto systems will ever learn from them that there design is insecure.
For instance, a buffer overrun vulnerability in an obligatory operating system component may not have been present in version 5.1 (used during crypto system testing), but appear only at version 5.3, available only after release of the crypto system.
www.sciencedaily.com /encyclopedia/cryptographic_engineering   (1107 words)

  
 CRYPTO Publications
The growing interest in the application of formal methods of cryptographic protocol analysis has led to the development of a number of different techniques for generating and describing invariants that are defined in terms of what messages an intruder can and cannot learn.
We resolve a debate over the appropriateness for cryptographic protocol analysis of formalisms representing knowledge vs. those representing belief by showing that they are equally adequate for protocol analysis on the logical level.
Logics for cryptographic protocol analysis are discussed and a study is made of the protocol features that they are appropirate for analyzing: some are appropriate for analyzing trust, others security.
chacs.nrl.navy.mil /publications/CHACS/CRYPTOindex.html   (6521 words)

  
 Past seminars
First modern cryptographic algorithms (Lucifer and DES) are discussed in terms of their impact on the next generation of conventional crypto-algorithms.
The management of cryptographic parameters, which are a potential source of interoperability between roadway operators, is detailed for one of these EFC schemes.
PANAMA is a cryptographic module that was presented at the FSE Workshop in '98 by Joan Daemen and Craig Clapp.
www.esat.kuleuven.ac.be /cosic/seminars/past_sem.html   (8899 words)

  
 Cryptography   (Site not responding. Last check: 2007-10-08)
''cryptographic protocolProtocols'' specify the details of how ciphers (and other cryptographic primitives) are to be used to achieve specific tasks.
Cryptographic hash functions produce a hash functionhash of a message.
The study of how best to implement and integrate cryptography is a field in itself, see: cryptographic engineering, security engineering and crypto systemcryptosystem/.
www.infothis.com /find/Cryptography   (2641 words)

  
 Cryptographic Protocol Engineering: Building Security from the Ground Up.   (Site not responding. Last check: 2007-10-08)
Cryptographic Protocol Engineering: Building Security from the Ground Up.
ABSTRACT: There are several types of attacks, including multi-protocol attacks, that occur when incorrect assumptions are made about the operating environment of a cryptographic protocol.
This paper introduces the concept of a security protocol service layer to to provide a clean separation betweeen cryptographic services and their uses.
www.cs.uidaho.edu /~jimaf/papers/building00.htm   (101 words)

  
 Cryptography and the Internet: Lessons and Challenges
In designing cryptographic protocols that use public-key cryptography, theoreticians often ignore the difficulty of identifying public keys with the various parties of the protocol.
Early engineering attempts to design a public-key certification hierarchy centered around the X509 standard, and was originally planned to have a single name space for all certificates.
Cryptographic protocols will need to be developed to address the situation where an intermediary takes some of the responsibility for protecting parties against attacks, because the economic case for such engineering systems with firewalls is too strong to ignore.
www.digicrime.com /~mccurley/pubs/outline.html   (2977 words)

  
 CRYPTOGRAPHY FACTS AND INFORMATION
Cryptography is also considered a branch of engineering, but it is considered to be an unusual one as it deals with active, intelligent and malevolent opposition (see cryptographic_engineering and security_engineering).
''Cryptographic_protocols'' specify the details of how ciphers (and other cryptographic primitives) are to be used to achieve specific tasks.
However, it requires keys (at least) as long as the plaintext, so it is widely considered too cumbersome to use in practice.
www.witwib.com /cryptography   (2247 words)

  
 Digital signature   (Site not responding. Last check: 2007-10-08)
In a cryptographic context, the word repudiation refers to the act of denying association with a message (ie claiming it was sent by a third party).
These enactments (or proposed enactments) vary from place to place, have typically embodied expectations at variance (optimistically or pessimistically) with the state of the underlying cryptographic engineering, and have had the net effect of confusing potential users and specifiers, nearly all of whom are not cryptographically knowledgeable.
Adoption of technical standards for digital signatures have lagged behind much of the legislation, delaying a more or less unified engineering position on interoperability, algorithm choice, key lengths, etc and so on what the engineering is attempting to provide.
www.worldhistory.com /wiki/D/Digital-signature.htm   (1602 words)

  
 SPEAR II Project Summary   (Site not responding. Last check: 2007-10-08)
Multi-dimensional security protocol engineering is effective for creating cryptographic protocols since it encompasses a variety of design, analysis and deployment techniques, thereby providing a higher level of confidence than individual approaches.
The goal of the SPEAR II tool is to facilitate cryptographic protocol engineering and aid users in distilling the critical issues during an engineering session by presenting them with an appropriate level of detail and guiding them as much as possible.
The analysis engine improves on previous automation efforts and employs a forward-chaining approach to mechanize the tedious application of GNY inference rules, allowing all derivable GNY statements to be generated quickly, accurately and efficiently.
www.cs.uct.ac.za /Research/DNA/SPEAR2   (1083 words)

  
 Practical Cryptography: Preface
Too many engineers consider cryptography to be a sort of magic security dust that they can sprinkle over their hardware or software, and which will imbue those products with the mythical property of "security." Too many consumers read product claims like "encrypted" and believe in that same magic security dust.
It follows the design of a cryptographic system from the specific algorithm choices, outwards through concentric rings to the infrastructure required to make it work.
We discuss a single cryptographic problem---one of establishing a means for two people to communicate securely---that's at the heart of almost every cryptographic application.
www.schneier.com /book-practical-preface.html   (1251 words)

  
 Current State of Use - Legal and Practice...Encryptoo.com
Whereas the existence of a digital signature can be evidentially significant in establishing that an electronic communication is uncorrupted, and that it had a certain provenance, it cannot of itself provide any evidence as to whether a particular individual intended or authorized or associated himself or herself with any such communication.
In that regard, the term "signature" is potentially misleading as the engineering does not now, and may possibly not be able to, coincide with the assumptions underlying many of the legal enactments.
Legal enactments which affirmatively declare that a digital signature is presumptively deemed a valid signature are at variance with the possibilitites afforded by the cryptography.
www.encryptoo.com /statlp.html   (673 words)

  
 FMS Experience
FMS Secure Solutions, LLC is a small woman-owned business that provides over 30 years of combined experience in systems security engineering, cryptographic engine development, algorithm implementation, key management, reprogrammable cryptographic designs, cryptographic module embedment, and security evaluation and certification.
FMS has assisted in the development of key management architectures to support the secure functionality of the engines, cryptographic algorithm development and distribution methodologies, and firmware development and analysis for cryptographic engine initialization.
To supplement the knowledge of cryptographic engine development and embedment, FMS personnel have been active in many key management activities.
pages.prodigy.net /fmsweb/exp.htm   (339 words)

  
 Access to Classified Cryptographic Information   (Site not responding. Last check: 2007-10-08)
Applies to the Office of the Secretary of Defense (OSD), the Military Departments, the Chairman of the Joint Chiefs of Staff and the Joint Staff, the Unified and Specified Commands, the Defense Agencies, and the DoD Field Activities (hereafter referred to collectively as "the DoD Components").
Cryptographic key and authenticators that are classified pursuant to DoD 5200.1-R
Maintain records on all individuals who have been granted cryptographic access or have had their cryptographic access withdrawn, and arrange for retention of Cryptographic Access Certificates or legally enforceable facsimiles in accordance with the DoD Component records disposition schedules.
www.dtic.mil /whs/directives/corres/xml/d52058x.xml   (789 words)

  
 Cryptography at opensource encyclopedia   (Site not responding. Last check: 2007-10-08)
In recent decades, cryptography has expanded its remit and now provides mechanisms for more than just confidentiality; it has become a fundamental tool for security engineering.
Cryptography is an interdisciplinary subject, drawing from several fields: it can be viewed as an application of information theory, but makes extensive use of other areas of mathematics, notably number theory and finite mathematics.
Closely related fields are steganography, which is the study of obscuring the very existence of a message, and not necessarily the contents of the message itself (eg, microdots and the use of secret inks); and traffic analysis, which is the analysis of patterns of communication (ie, who talks to whom, how, and when).
wiki.tatet.com /Cryptography.html   (2102 words)

  
 Mead Training - USA   (Site not responding. Last check: 2007-10-08)
Received his Ph.D. degree in electrical engineering from the California Institute of Technology in 1992, and is presently a Professor of electrical engineering at the University of California, San Diego where he teaches and conducts research in the field of mixed-signal integrated circuits and systems for communications.
He is co-founder, with Cetin Koc, of the CHES (Cryptographic Hardware and Embedded Systems) Workshop series, which has evolved into one of the leading forums for applied cryptography.
He received his Diploma of Electrical Engineering from the National Technical University of Athens in 1991 and his MSc and PhD in Electrical Engineering from University of California at Berkeley in 1995 and 1999 respectively.
www.mead.ch /htm/ch/bios_texte/Bios_CH.html   (6646 words)

  
 Why major in math?
You might teach at a college or university, or become a part of a private think tank, or work for one of many engineering and cryptographic companies and government agencies.
Many engineering, biotech, actuarial, and computer companies need employees with mathematical knowledge, and many more of the same want employees who know how to think and solve problems.
Of course, it all depends on what career you choose, but the National Association of Colleges and Employers reported in 1999 that the average starting salary for a mathematics major with a bachelor's degree was $37,300 a year, for those with a masters degree, $42,000, and for those with a Ph.D., $58,900.
www.math.pepperdine.edu /whymajor.html   (639 words)

  
 FIPS 140-1 FAQ   (Site not responding. Last check: 2007-10-08)
This stage shows that there is a contract in place with a testing lab, that the lab then has the cryptographic module that they will be testing, and finally that they have all the documents needed to do the testing.
The cryptographic module is a critical component of a CA, since it protects the essence of the CA (its private key, and signature ability).
This greatly limits the amount of time you will be asked to invest any of your engineer's time, as compared to a company who decides to go through the process themselves, thus exhausting resources and multiple engineers who are tied up with validation full time for weeks.
www.corsec.com /fips_faq.php   (3132 words)

  
 Dr. Cetin Kaya Koc - Biography   (Site not responding. Last check: 2007-10-08)
Koç joined the Department of Electrical Engineering at the University of Houston in 1988 as an Assistant Professor, and then moved to Oregon State University in 1992, where he has been Assistant Professor (1992-1995), Associate Professor (1995-1998), Professor (since 1998), and Honors College Faculty (since 2003).
Koç's research interests are in cryptographic engineering, algorithms and architectures for cryptography, computer arithmetic and finite fields, parallel algebraic computation, and network security.
Koç has been working as a consulting engineer with research and development interests in cryptographic engineering and embedded systems for several companies including Intel, RSA Security, and Samsung Electronics.
islab.oregonstate.edu /koc/Biography.html   (301 words)

  
 [No title]   (Site not responding. Last check: 2007-10-08)
Of particular interest to the research community are implementations on embedded systems, since there are some significant challenges in creating efficient cryptographic implementations on embedded processors, due to low computing power, low dynamic memory for data, and limitations on program code size and stack memory usage.
We will give an overview of the subject and summarize our research and development projects in cryptographic engineering, for example, efficient implementations of elliptic curve cryptography on embedded software platforms, creation of scalable and unified hardware architectures for public-key cryptosystems, and the design of true random number generators.
Koc's research interests are in cryptographic engineering, algorithms and architectures for cryptography, computer arithmetic and finite fields, parallel algebraic and numerical computation, and network security.
www.cs.pdx.edu /~hamlet/colloquium/koc   (297 words)

  
 E U R O T R A I N I N G
These courses are aimed at providing engineers with up-to-date information on important current issues of design in analog and mixed-mode integrated circuits.
This year, the subjects proposed are particularly focused on Cryptographic Engineering, RF Analog, and Transistor-Level design problems and solutions.
Also, company managers and marketing engineers may find useful information in the trends of modern techniques and applications presented in these classes.
ecd.eurotraining.net /view_course.php3?course_number=140357_18_08_2002_72   (194 words)

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