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Decrypted Secrets: Methods and Maxims of Cryptology

In today's unsafe and increasingly wired world cryptology plays a vital role in protecting communication channels, databases, and software from unwanted intruders. This revised and extended third edition of the classic reference work on cryptology now contains many new technical and biographical details. The first part treats secret codes and their uses - cryptography. The second part deals with the process of covertly decrypting a secret code - cryptanalysis, where particular advice on assessing methods is given. The book presupposes only elementary mathematical knowledge. Spiced with a wealth of exciting, amusing, and sometimes personal stories from the history of cryptology, it will also interest general readers.
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Cryptography books collection

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Handbook of Applied Cryptography
Chapter 1 - Overview of Cryptography (48 pages)
Chapter 2 - Mathematics Background (38 pages)
Chapter 3 - Number-Theoretic Reference Problems (46 pages)
Chapter 4 - Public-Key Parameters (36 pages)
Chapter 5 - Pseudorandom Bits and Sequences (22 pages)
Chapter 6 - Stream Ciphers (32 pages)
Chapter 7 - Block Ciphers (60 pages)
Chapter 8 - Public-Key Encryption (36 pages)
Chapter 9 - Hash Functions and Data Integrity (61 pages)
Chapter 10 - Identification and Entity Authentication (40 pages)
Chapter 11 - Digital Signatures (64 pages)
Chapter 12 - Key Establishment Protocols (53 pages)
Chapter 13 - Key Management Techniques (48 pages)
Chapter 14 - Efficient Implementation (44 pages)
Chapter 15 - Patents and Standards (27 pages)
Appendix - Bibliography of Papers from Selected Cryptographic Forums (40 pages)
Index (26 pages)

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Encryption-Tutorial.tgz 28-Aug-2003 00:00 2.3M
GB_Lecture Notes on Cryptography.ps 28-Aug-2003 00:00 2.6M
Menezes_Handbook of Applied Cryptography.zip 28-Aug-2003 00:00 5.3M
cryptography-theory-and-practice.tgz 28-Aug-2003 00:00 14M
cryptography.tgz 28-Aug-2003 00:00 3.1M
cryptologia-history.tgz 28-Aug-2003 00:00 12M
the-twofish-encryption-algorithm.tgz 28-Aug-2003 00:00 589K
hxxp://202.38.126.65/mathdoc/Algebra/Cryptography/
Addison.Wesley.File.System.Forensic.Analysis.Mar.2005.eBook-DDU.chm 15-Jul-2005 17:43 3.8M
Cyber.Forensics.eBook-EEn.pdf 31-May-2005 18:34 3.7M
OReilly.Internet.Forensics.Oct.2005.chm 08-Nov-2005 18:57 844K
Addison[1].Wesley.The.Art.of.Computer.Virus.Research.and.Defense.Feb.2005.eBook-LiB.zip 15-Jul-2005 17:53 13M
GiantBlackBookVirus.rar 31-May-2005 19:48 5.0M
Addison Wesley - Web Hacking Attacks and Defense.chm 30-May-2005 22:51 6.3M
McGraw.Hill.HackNotes.Web.Security.Portable.Reference.eBook-DDU.pdf 31-May-2005 15:10 3.4M
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McGraw.Hill.Web.Services.Security.eBook-LiB.chm 30-May-2005 22:58 3.9M
OReilly - Web Security, Privacy & Commerce, 2nd Edition.chm 31-May-2005 15:18 6.1M
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Oracle Press - 0072231300 - Effective Oracle Database 10g Security by Design - fly.chm 18-Aug-2005 23:24 3.0M
Oreilly.Apache.Security.Mar.2005.eBook-LiB.chm 30-May-2005 23:02 1.6M
A.LIST.Publishing.Hacker.Disassembling.Uncovered.eBook-LiB.chm 31-May-2005 18:27 4.7M
Crackproof Your Software (2002).pdf 31-May-2005 17:26 7.2M
No.Starch.Press.The.Art.Of.Assembly.Language.eBook-LiB.chm 31-May-2005 18:27 18M
Springer.Reverse.Engineering.of.Object.Oriented.Code.Monographs.in.Computer.Science.eBook-kB.pdf 10-Aug-2005 14:27 6.5M
The Art of Disassembly.rar 31-May-2005 17:34 2.5M
Wiley.Reversing.Secrets.of.Reverse.Engineering.Apr.2005.eBook-DDU.pdf 31-May-2005 18:09 8.4M

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A Classical Introduction to Cryptography: Applications for Communications Security

A Classical Introduction to Cryptography: Applications for Communications Security introduces fundamentals of information and communication security by providing appropriate mathematical concepts to prove or break the security of cryptographic schemes.

This advanced-level textbook covers conventional cryptographic primitives and cryptanalysis of these primitives; basic algebra and number theory for cryptologists; public key cryptography and cryptanalysis of these schemes; and other cryptographic protocols, e.g. secret sharing, zero-knowledge proofs and undeniable signature schemes.

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Cryptography books collection

Douglas Stinson - Cryptography: Theory and Practice

Douglas R. Stinson's Cryptography: Theory and Practice is a mathematically intensive examination of cryptography, including ciphers, the Data Encryption Standard (DES), public key cryptography, one-way hash functions, and digital signatures. Stinson's explication of "zero-sum proofs"--a process by which one person lets another person know that he or she has a password without actually revealing any information--is especially good.

If you are new to the math behind cryptography but want to tackle it, the author covers all of the required background to understand the real mathematics here. Cryptography includes extensive exercises with each chapter and makes an ideal introduction for any math-literate person willing to get acquainted with this material.

Description:
Cryptography is an outstanding book that covers all the major areas of cryptography in a readable, mathematically precise form. Several chapters deal with especially active areas of research and give the reader a quick introduction and overview of the basic results in the area. Cryptography provides the mathematical theory that is necessary in order to understand how the various systems work. Most algorithms are presented in the form of pseudocode, together with examples and informal discussion of the underlying ideas. The book gives careful and comprehensive treatment of all the essential core areas of cryptography. Also, several chapters present recent topics that have not received thorough treatment in previous textbooks. Such topics include authentication codes, secret sharing schemes, identification schemes, and key distribution. Amazon.

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Introduction to Cryptography

Modern cryptography provides essential techniques for securing information and protecting data. This book provides an introduction to the key concepts of cryptography, from encryption and digital signatures to cryptographic protocols, such as electronic elections and digital cash. It applies probability theory to make basic notions precise, such as the security of cryptographic schemes. More advanced topics are also addressed, such as the bit security of one-way functions and computationally perfect pseudo-random generators. No special background in mathematics is needed to understand the material; an explanation of the necessary mathematics is given in two appendices. In addition, to make the material readily accessible, the authors use the same examples throughout the book and provide complete proofs.It will be an ideal textbook for an undergraduate course in cryptography as well as a guide to those wanting an introduction to the subject.

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Applied Cryptography: Protocols, Algorithms, and Source Code in C, Second Edition

Cryptographic techniques have applications far beyond the obvious uses of encoding and decoding information. For Internet developers who need to know about capabilities, such as digital signatures, that depend on cryptographic techniques, there's no better overview than Applied Cryptography, the definitive book on the subject. Bruce Schneier covers general classes of cryptographic protocols and then specific techniques, detailing the inner workings of real-world cryptographic algorithms including the Data Encryption Standard and RSA public-key cryptosystems. The book includes source-code listings and extensive advice on the practical aspects of cryptography implementation, such as the importance of generating truly random numbers and of keeping keys secure.

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Cryptography for Dummies

Cryptography is the most effective way to achieve data security and is essential to e-commerce activities such as online shopping, stock trading, and banking
This invaluable introduction to the basics of encryption covers everything from the terminology used in the field to specific technologies to the pros and cons of different implementations
Discusses specific technologies that incorporate cryptography in their design, such as authentication methods, wireless encryption, e-commerce, and smart cards
Based entirely on real-world issues and situations, the material provides instructions for already available technologies that readers can put to work immediately
Expert author Chey Cobb is retired from the NRO, where she held a Top Secret security clearance, instructed employees of the CIA and NSA on computer security and helped develop the computer security policies used by all U.S. intelligence agencies

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Cryptography and Network Security (4th Edition)

In this age of viruses and hackers, of electronic eavesdropping and electronic fraud, security is paramount. This solid, up-to-date tutorial is a comprehensive treatment of cryptography and network security is ideal for self-study. Explores the basic issues to be addressed by a network security capability through a tutorial and survey of cryptography and network security technology. Examines the practice of network security via practical applications that have been implemented and are in use today. Provides a simplified AES (Advanced Encryption Standard) that enables readers to grasp the essentials of AES more easily. Features block cipher modes of operation, including the CMAC mode for authentication and the CCM mode for authenticated encryption. Includes an expanded, updated treatment of intruders and malicious software. A useful reference for system engineers, programmers, system managers, network managers, product marketing personnel, and system support specialists.

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Beginning Cryptography with Java - David Hook

While cryptography can still be a controversial topic in the programming community, Java has weathered that storm and provides a rich set of APIs that allow you, the developer, to effectively include cryptography in applications—if you know how.

This book teaches you how. Chapters one through five cover the architecture of the JCE and JCA, symmetric and asymmetric key encryption in Java, message authentication codes, and how to create Java implementations with the API provided by the Bouncy Castle ASN.1 packages, all with plenty of examples. Building on that foundation, the second half of the book takes you into higher-level topics, enabling you to create and implement secure Java applications and make use of standard protocols such as CMS, SSL, and S/MIME.

What you will learn from this book
- How to understand and use JCE, JCA, and the JSSE for encryption and authentication
- The ways in which padding mechanisms work in ciphers and how to spot and fix typical errors
- An understanding of how authentication mechanisms are implemented in Java and why they are used
- Methods for describing cryptographic objects with ASN.1
- How to create certificate revocation lists and use the Online Certificate Status Protocol (OCSP)
- Real-world Web solutions using Bouncy Castle APIs
Who this book is for
This book is for Java developers who want to use cryptography in their applications or to understand how cryptography is being used in Java applications. Knowledge of the Java language is necessary, but you need not be familiar with any of the APIs discussed.
Wrox Beginning guides are crafted to make learning programming languages and technologies easier than you think, providing a structured, tutorial format that will guide you through all the techniques involved.

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Decrypted Secrets: Methods and Maxims of Cryptology

In today’s unsafe and increasingly wired world cryptology plays a vital role in protecting communication channels, databases, and software from unwanted intruders. This revised and extended third edition of the classic reference work on cryptology now contains many new technical and biographical details. The first part treats secret codes and their uses - cryptography. The second part deals with the process of covertly decrypting a secret code - cryptanalysis, where particular advice on assessing methods is given. The book presupposes only elementary mathematical knowledge. Spiced with a wealth of exciting, amusing, and sometimes personal stories from the history of cryptology, it will also interest general readers.
Written for:
Scientists, students and practitioners in applied mathematics, computer science and information technology, and the general reader
Table of Contents
Part I: Cryptography The People 1 (232)
1 Introductory Synopsis 9 (17)
1.1 Cryptography and Steganography 9 (1)
1.2 Semagrams 10 (3)
1.3 Open Code: Masking 13 (4)
1.4 Cues 17 (2)
1.5 Open Code: Veiling by Nulls 19 (4)
1.6 Open Code: Veiling by Grilles 23 (1)
1.7 Classification of Cryptographic 24 (2)
Methods
2 Aims and Methods of Cryptography 26 (18)
2.1 The Nature of Cryptography 26 (6)
2.2 Encryption 32 (2)
2.3 Cryptosystems 34 (2)
2.4 Polyphony 36 (3)
2.5 Character Sets 39 (2)
2.6 Keys 41 (3)
3 Encryption Steps: Simple Substitution 44 (14)
3.1 Case V(?)—> W (Unipartite Simple 44 (2)
Substitutions)
3.2 Special Case V [-> V (Permutations) 46 (7)
3.3 Case V(?)—> Wm (Multipartite Simple 53 (2)
Substitutions)
3.4 The General Case V(?0 —> W(m) , 55 (3)
Straddling
4 Encryption Steps: Polygraphic 58 (22)
Substitution and Coding
4.1 Case V? —>W(m) (Digraphic 58 (6)
Substitutions)
4.2 Special Cases of Playfair and 64 (4)
Delastelle: Tomographic Methods
4.3 Case V? —>W(m) (Trigraphic 68 (1)
Substitutions)
4.4 The General Case V(n) —> W(m) : 68 (12)
Codes
5 Encryption Steps: Linear Substitution 80 (13)
5.1 Self-reciprocal Linear Substitutions 82 (1)
5.2 Homogeneous Linear Substitutions 82 (4)
5.3 Binary Linear Substitutions 86 (1)
5.4 General Linear Substitutions 86 (1)
5.5 Decomposed Linear Substitutions 87 (3)
5.6 Decimated Alphabets 90 (1)
5.7 Linear Substitutions with Decimal and 91 (2)
Binary Numbers
6 Encryption Steps: Transposition 93 (13)
6.1 Simplest Methods 93 (5)
6.2 Columnar Transpositions 98 (4)
6.3 Anagrams 102(4)
7 Polyalphabetic Encryption: Families of 106(33)
Alphabets
7.1 Iterated Substitutions 106(1)
7.2 Cyclically Shifted and Rotated 107(3)
Alphabets
7.3 Rotor Crypto Machines 110(17)
7.4 Shifted Standard Alphabets: Vigen?e 127(4)
and Beaufort
7.5 Unrelated Alphabets 131(8)
8 Polyalphabetic Encryption: Keys 139(30)
8.1 Early Methods with Periodic Keys 139(2)
8.2 ‘Double Key’ 141(1)
8.3 Vernam Encryption 142(2)
8.4 Quasi-nonperiodic Keys 144(1)
8.5 Machines that Generate Their Own Key 145(11)
Sequences
8.6 Off-Line Forming of Key Sequences 156(2)
8.7 Nonperiodic Keys 158(3)
8.8 Individual, One-Time Keys 161(4)
8.9 Key Negotiation and Key Management 165(4)
9 Composition of Classes of Methods 169(24)
9.1 Group Property 169(2)
9.2 Superencryption 171(2)
9.3 Similarity of Encryption Methods 173(1)
9.4 Shannon’s ‘Pastry Dough Mixing’ 174(6)
9.5 Confusion and Diffusion by 180(4)
Arithmetical Operations
9.6 DES and IDEA? 184(9)
10 Open Encryption Key Systems 193(18)
10.1 Symmetric and Asymmetric Encryption 194(2)
Methods
10.2 One-Way Functions 196(7)
10.3 RSA Method 203(2)
10.4 Cryptanalytic Attack upon RSA 205(3)
10.5 Secrecy Versus Authentication 208(2)
10.6 Security of Public Key Systems 210(1)
11 Encryption Security 211(22)
11.1 Cryptographic Faults 211(9)
11.2 Maxims of Cryptology 220(5)
11.3 Shannon’s Yardsticks 225(1)
11.4 Cryptology and Hunan Rights 226(7)
Part II: Cryptanalysis The Machinery 233(254)
12 Exhausting Combinatorial Complexity 237(15)
12.1 Monoalphabetic Simple Encryptions 238(1)
12.2 Monoalphabetic Polygraphic 239(2)
Encryptions
12.3 Polyalphabetic Encryptions 241(3)
12.4 General Remarks on Combinatorial 244(1)
Complexity
12.5 Cryptanalysis by Exhaustion 244(2)
12.6 Unicity Distance 246(2)
12.7 Practical Execution of Exhaustion 248(3)
12.8 Mechanizing the Exhaustion 251(1)
13 Anatomy of Language: Patterns 252(16)
13.1 Invariance of Repetition Patterns 252(2)
13.2 Exclusion of Encryption Methods 254(1)
13.3 Pattern Finding 255(4)
13.4 Finding of Polygraphic Patterns 259(1)
13.5 The Method of the Probable Word 259(5)
13.6 Automatic Exhaustion of the 264(2)
Instantiations of a Pattern
13.7 Pangrams 266(2)
14 Polyalphabetic Case: Probable Words 268(22)
14.1 Non-Coincidence Exhaustion of 268(3)
Probable Word Position
14.2 Binary Non-Coincidence Exhaustion 271(1)
14.3 The De Viaris Attack 272(8)
14.4 Zig-Zag Exhaustion of Probable Word 280(1)
Position
14.5 The Method of Isomorphs 281(6)
14.6 A clever brute force method: EINSing 287(1)
14.7 Covert Plaintext-Cryptotext 288(2)
Compromise
15 Anatomy of Language: Frequencies 290(30)
15.1 Exclusion of Encryption Methods 290(1)
15.2 Invariance of Partitions 291(2)
15.3 Intuitive Method: Frequency Profile 293(1)
15.4 Frequency Ordering 294(3)
15.5 Cliques and Matching of Partitions 297(6)
15.6 Optimal Matching 303(2)
15.7 Frequency of Multigrams 305(5)
15.8 The Combined Method of Frequency 310(6)
Matching
15.9 Frequency Matching for Polygraphic 316(1)
Substitutions
15.10 Free-Style Methods 317(1)
15.11 Unicity Distance Revisited 318(2)
16 Kappa and Chi 320(10)
16.1 Definition and Invariance of Kappa 320(3)
16.2 Definition and Invariance of Chi 323(2)
16.3 The Kappa-Chi Theorem 325(1)
16.4 The Kappa-Phi Theorem 326(2)
16.5 Symmetric Functions of Character 328(2)
Frequencies
17 Periodicity Examination 330(20)
17.1 The Kappa Test of Friedman 331(1)
17.2 Kappa Test for Multigrams 332(1)
17.3 Cryptanalysis by Machines: Searching 333(6)
for a period
17.4 Kasiski Examination 339(6)
17.5 Building a Depth and Phi Test of 345(3)
Kullback
17.6 Estimating the Period Length 348(2)
18 Alignment of Accompanying Alphabets 350(25)
18.1 Matching the Profile 350(4)
18.2 Aligning Against Known Alphabet 354(4)
18.3 Chi Test: Mutual Alignment of 358(5)
Accompanying Alphabets
18.4 Reconstruction of the Primary 363(2)
Alphabet
18.5 Kerckhoffs’ Symmetry of Position 365(5)
18.6 Stripping off Superencryption: 370(3)
Difference Method
18.7 Decryption of Code 373(1)
18.8 Reconstruction of the Password 373(2)
19 Compromises 375(84)
19.1 Kerckhoffs’ Superimposition 375(2)
19.2 Superimposition for Encryptions with 377(24)
a Key Group
19.3 COLOSSUS 401(11)
19.4 Adjustment ‘in depth’ of Messages 412(7)
19.5 Crypt otext-Cryptot ext Compromises 419(12)
19.6 Cryptotext-Cryptotext Compromise: 431(17)
ENIGMA Indicator Doubling
19.7 Plaintext-Cryptotext Compromise: 448(11)
Feedback Cycle
20 Linear Basis Analysis 459(5)
20.1 Reduction of Linear Polygraphic 459(1)
Substitutions
20.2 Reconstruction of the Key 460(1)
20.3 Reconstruction of a Linear Shift 461(3)
Register
21 Anagramming 464(6)
21.1 Transposition 464(3)
21.2 Double Columnar Transposition 467(1)
21.3 Multiple Anagramming 467(3)
22 Concluding Remarks 470(17)
22.1 Success in Breaking 471(5)
22.2 Mode of Operation of the 476(6)
Unauthorized Decryptor
22.3 Illusory Security 482(2)
22.4 Importance of Cryptology 484(3)
Appendix: Axiomatic Information Theory 487(10)
Bibliography 497(4)
Index 501(24)
Photo Credits 525
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Encyclopedia of Cryptography and Security

This comprehensive encyclopedia provides easy access to information on all aspects of cryptography and security. With an A–Z format of over 460 entries, 100+ international experts provide an accessible reference for those seeking entry into any aspect of the broad fields of cryptography and information security. Most entries in this preeminent work include useful literature references, providing more than 2500 references in total.

Topics for the encyclopedia were selected by a distinguished advisory board consisting of 18 of the world’s leading scholars and practitioners. Main subject areas include:

Authentication and identification

Block ciphers and stream ciphers

Computational issues

Copy protection

Cryptanalysis and security

Cryptographic protocols

Electronic payment and digital certificates

Elliptic curve cryptography

Factorization algorithms and primality tests

Hash functions and MACs

Historical systems

Identity-based cryptography

Implementation aspects for smart cards and standards

Key management

Multiparty computations like voting schemes

Public key cryptography

Quantum cryptography

Secret sharing schemes

Sequences

Web security

The style of the entries in the Encyclopedia of Cryptography and Security is expository and tutorial rather than detailed and technical, making the book a practical resource for information security experts as well as professionals in other fields who need to access this vital information but who may not have time to work their way through an entire text on their topic of interest.

The underlying concepts in information security can be difficult to understand and may even be counter-intuitive. The Encyclopedia of Cryptography and Security will become the premier reference work on this complex subject.

About the Author

Advisory Board Members

Carlisle Adams, Entrust, Inc.

Friedrich Bauer, Technische Universität München

Gerrit Bleumer, Francotyp-Postalia

Dan Boneh, Stanford University

Pascale Charpin, INRIA-Rocquencourt

Claude Crepeau, McGill University

Yvo Desmedt, University of London

Grigory Kabatiansky, Institute for Information Transmission Problems

Burt Kaliski, RSA Security

Peter Landrock, University of Aarhus

Patrick McDaniel, Penn State University

Alfred Menezes, University of Waterloo

David Naccache, Gemplus

Christof Paar, Ruhr-Universität Bochum

Bart Preneel, Katholieke Universiteit Leuven

Jean-Jacques Quisquater, Université Catholique de Louvain

Kazue Sako, NEC Corporation

Berry Schoenmakers, Technische Universiteit Eindhoven

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Cryptography resource collection

A Cryptography Tutorial [summary,pdf(1,2,3,4,5,6,7,8)]
Another Cryptography tutorial [pdf(1,2,3,4,5,6,7)]
Cryptography - The myths [pdf]
A Cryptograpgic Compendium [link]
Frequently Asked Questions about Today's Cryptography by RSA Laboratories [pdf]
Security protocols overview by RSA Laboratories [pdf]
Security Pitfalls in Cryptography [pdf]
Stream ciphers [pdf]
Understanding Public Key Infrastructure [pdf]
Trust Models and Management in Public-Key Infrastuctured [pdf]
Why Cryptography is Harder than it looks [pdf]
Cryptanalytic Attacks on Pseudorandom Number Generators [pdf]
CryptoBytes, RSA newsletter [pdf(1-1,1-2,1-3,2-1,2-2,2-3,3-1,3-2,4-1,4-2)]
RSA Laboratories' Bulletin [pdf(1,2,3,4,5,6,7,8,9,10,11,12,13)]
Smartcard security [pdf]
Digital Signatures, Certificates and Electronic Commerce [pdf]
Key recovery - Meeting the Needs of Users or Key Escrow in Disguise [pdf]
Implementation Experience with AES Candidate Algorithms [pdf]
Performance Analysis of AES candidates on the 6805 CPU core [pdf]
UK Government Organisations Involved in Communications and Information Systems Security [pdf]
The block cipher Square [pdf]
Attacks on Cryptoprocessor Transaction Sets [pdf]
Initial Cryptanalysis of the RSA SecurID Algorithm [pdf]
Amplified Boomerang Attacks Against Reduced-Round MARS and Serpent [pdf]
Preliminary Cryptanalysis of Reduced-Round Serpent [pdf]
Defective Sign and Encrypt in S/MIME, PKCS#7, MOSS, PEM, PGP, and XML [pdf]
Compliance Defects in Public-Key Cryptography [pdf]
Architectural considerations for cryptanalytic hardware [pdf]
WEP Fix using RC4 Fast Packet Keying [pdf]
RSA Security Response to Weaknesses in Key Scheduling Algorithm of RC4 [pdf]
Block Ciphers [pdf]
Stream Ciphers [pdf]
C.R.I.S.I.S. - Cryptography's Role In Securing the Information Society [pdf]
Universal Hashing and Multiple Authentication [pdf]
Timing Analysis of Keystrokes and Timing Attacks on SSH [pdf]
The simple ideal cipher system [pdf]
An FPGA Implementation of the Linear Cruptanalysis [pdf]

The math behind the RSA cipher [txt]
RSA hardware implementation [pdf]
High-Speed RSA implementation [pdf]
Are 'Strong' Primes Needed for RSA? [pdf]
RSAES-OAEP Encryption scheme [pdf]
Has the RSA algorithm been compromised as a result of Bernstein's Papar? [pdf]
Are 'Strong' Primed Needed for RSA? [pdf]
Why Textbook ElGamal and RSA Encryption are Insecure [pdf]

The DES algorithm [txt]

The RC5 encryption algorithm [pdf]
On The Security of the RC5 Encryption Algorithm [pdf]
The ESP RC5-CBC Transform [txt]
The RC5, RC5-CBC, RC5-CBC-Pad, and RC5-CTS Algorithms [txt]

The RC6 block cipher [pdf]
RC6 as the AES [pdf]
The security of RC6 block cipher [pdf]
Statistical testing of RC6 block cipher [pdf]

Blowfish algorithm in plain English [txt]
Source code for Blowfish implementation [zip(C++,Another C++,Java,ANSI C,Another ANSI C,Forth,Pascal)]

Twofish: A 128-bit Block Cipher [pdf]
Upper bounds on differential characteristics in Twofish [pdf]
Impossible differentials in Twofish [pdf]
A Twofish retreat: Related-Key attacks against Reduced-Round Twofish [pdf]
Further observations on the Key Schedule of Twofish [pdf]
Empirical verification of Twofish key uniqueness properties [pdf]
Key separation in Twofish [pdf]
Improved Twofish implementations [pdf]
Implementation of the Twofish Cipher using FPGA devices [pdf]
Source code for Twofish implementation [zip(6805(Smartcard),Z80,Reference C code,ANSI C and i386 asm,Optimised ANSI C,Optimised C code [Linux code],Visual Basic,Java)]

The Rijndael Block Cipher [pdf]
A Specification of Rijndael, the AES Algorithm [pdf]
Efficient Implementation of the Rijndael S-box [pdf]

The Elliptic Curve Cryptosystem [pdf]
Elliptic Curce Cryptosystems [pdf]
Elliptic Curve Cryptography, Future Resiliency and High Security Systems [pdf]
The Elliptic Curve Cryptosystem for Smart Cards [pdf]
The Elliptic Curve Digital Signature Algorithm (ECDSA) [pdf]
Recommendation on Elliptic Curve Cryptosystems [pdf]
Elliptic Curve Cryptosystems on Reconfigurable Hardware [pdf]

Cryptology Unlocked

Cryptology includes data encryption (cryptography), cryptographic protocols and code breaking to provide the fundamentals of data security.
This new book introduces cryptography in a unique and non-mathematical style. Cryptology Unlocked explains encryption, crypto analysis (classic and modern algorithms), cryptographic protocols, digital standards and much more. This innovative book will reveal some of the dangers of code breaking, and highlights ways to master code-breaking and attack algorithms.
Topics range from the simplest enciphering methods to precise investigations of modern algorithms. Everything you need to understand the delicate balance between complex and actual information, with a peppering of anecdotes along the way.
Join the cryptology adventure, and understand:
The difference between good and bad algorithms
Whether or not secret services can read all messages
The real-world affect cryptography had on World War II
The unspoken security risks behind digital mobile standards GSM and UMTS
The everyday implications on digital signatures, PINs and online banking
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Cryptographic Algorithms on Reconfigurable Hardware (Signals and Communication Technology)

Cryptographic solutions using software methods can be used for those security applications where data traffic is not too large and low encryption rate is tolerable. On the other hand, hardware methods offer high-speed solutions making them highly suitable for applications where data traffic is fast and large data is required to be encrypted in real time. VLSI (also known as ASIC), and FPGAs (Field Programmable Gate Arrays) are two alternatives for implementing cryptographic algorithms in hardware. FPGAs offer several benefits for cryptographic algorithm implementations over VLSI as they offer high flexibility. Due to its reconfigurable property, keys can be changed rapidly. Moreover, basic primitives in most cryptographic algorithms can efficiently be implemented in FPGAs.
Since the invention of the Data Encryption Standard (DES), some 40 years ago, a considerable amount of cryptographic algorithm implementation literature has been produced both, for software and hardware platforms. Unfortunately, virtually there exists no book explaining how the main cryptographic algorithms can be implemented on reconfigurable hardware devices.
This book will cover the study of computational methods, computer arithmetic algorithms, and design improvement techniques needed to implement efficient cryptographic algorithms in FPGA reconfigurable hardware platforms. The concepts and techniques to be reviewed in this book will make special emphasis on the practical aspects of reconfigurable hardware design, explaining the basic mathematics related and giving a comprehensive description of state-of-the-art implementation techniques. Thus, the main goal of this monograph is to show how high-speed cryptographic algorithms implementations can be achieved on reconfigurable hardware devices without posing prohibited high requirements for hardware resources.
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Wiley Cryptology Unlocked Aug 2007

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Cryptosporidium and Cryptosporidiosis

From the microscopic observation of infection to the widespread application of molecular techniques in taxonomy and epidemiology, to the genome sequencing of two major species and advances in biochemistry, phylogeny, and water treatment, new information on this fascinating genus continues to mount as we discover and utilize the latest scientific techniques and methods. Greatly revised and expanded to encompass the volume and scope of new material, this second edition of a highly acclaimed reference provides a comprehensive and up-to-date consolidation of data. Continuing to be the seminal work in the field, Cryptosporidium and Cryptosporidiosis, Second Edition covers every aspect involved in the study of these highly adaptable parasites from basic biology to the search for a vaccine.

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Cryptology Unlocked

Wiley Cryptology Unlocked Aug 2007

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Foundations of Cryptography: Volume 1, Basic Tools

Cryptography is concerned with the conceptualization, definition and construction of computing systems that address security concerns. This book presents a rigorous and systematic treatment of the foundational issues: defining cryptographic tasks and solving new cryptographic problems using existing tools. It focuses on the basic mathematical tools: computational difficulty (one-way functions), pseudorandomness and zero-knowledge proofs. Rather than describing ad-hoc approaches, this book emphasizes the clarification of fundamental concepts and the demonstration of the feasibility of solving cryptographic problems. It is suitable for use in a graduate course on cryptography and as a reference book for experts.
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Cryptography is concerned with the conceptualization, definition and construction of computing systems that address security concerns. The design of cryptographic systems must be based on firm foundations. This book presents a rigorous and systematic treatment of the foundational issues: defining cryptographic tasks and solving new cryptographic problems using existing tools. It focuses on the basic mathematical tools: computational difficulty (one-way functions), pseudorandomness and zero-knowledge proofs. The emphasis is on the clarification of fundamental concepts and on demonstrating the feasibility of solving cryptographic problems, rather than on describing ad-hoc approaches. The book is suitable for use in a graduate course on cryptography and as a reference book for experts. The author assumes basic familiarity with the design and analysis of algorithms; some knowledge of complexity theory and probability is also useful.
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Wiley Cryptology Unlocked Aug 2007

Cryptosporidium and Cryptosporidiosis

Cryptology Unlocked

Wiley Cryptology Unlocked Aug 2007

Foundations of Cryptography: Volume 1, Basic Tools

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