appendix g  public key cryptography and certificates

... Public -Key Cryptography 3.2 Elementary Concepts and Theorems in Number Theory 3.3 Diffie-Hellman Key Exchange 3.4 RSA Cryptosystem 3.5 Elliptic-Curve Cryptography 3.6 Key Distributions and Management ... Public -Key Cryptography 3.2 Elementary Concepts and Theorems in Number Theory 3.3 Diffie-Hellman Key Exchange 3.4 RSA Cryptosystem 3.5 Elliptic-Curve Cryptography 3.6 Key Distributions and Management ... store and manage these public and private keys?  Private -key rings   A table in which each row represents a record of a particular user: key ID, owner’s name, public key, encrypted private key, ...

Ngày tải lên: 17/02/2014, 14:20

... replaces private key cryptography Public -Key Cryptography • public -key/ two -key/ asymmetric cryptography involves the use of two keys: • a public -key, which may be known by anybody, and can be used ... Private -Key Cryptography • traditional private/secret/single key cryptography uses one key • Key is shared by both sender and receiver • if the key is disclosed communications ... is sent by sender Public -Key Cryptography • probably most significant advance in • • • • the 3000 year history of cryptography uses two keys – a public key and a private key asymmetric since parties...

Ngày tải lên: 29/03/2014, 15:20

... Message Authentication • Secure Hash Functions and HMAC • Public -Key Cryptography Principles • Public -Key Cryptography Algorithms • Digital Signatures • Key Management Henric Johnson Authentication ... private key – Key echange: Two sides cooperate two exhange a session key Henric Johnson 18 Requirements for PublicKey Cryptography Computationally easy for a party B to generate a pair (public key ... 13 HMAC Structure Henric Johnson 14 Public -Key Cryptography Principles • The use of two keys has consequences in: key distribution, confidentiality and authentication • The scheme has six ingredients...

Ngày tải lên: 29/03/2014, 16:20

... institution key management Based on 3DES/2 with two initial keys K and K2, and an initial vector V0 Two special 64-bit binary strings T i and Vi:  Ti represents the current date and time, updated ... S(S-1(w)) = w and S-1(S(w)) = w J Wang Computer Network Security Theory and Practice Springer 2009 AES-128 Round Keys Let K = K[0,31]K[32,63]K[64,95]K[96,127] be a 4-word encryption key  AES expands ... Encryption Standard 2.3 Multiple DES 2.4 Advanced Encryption Standard 2.5 Standard Block-Cipher Modes of Operations 2.6 Stream Ciphers 2.7 Key Generations J Wang Computer Network Security Theory and Practice...

Ngày tải lên: 17/02/2014, 14:20

... Session keys are usually keys of a secret -key cryptosystem Master keys are usually used for longer time and need therefore be carefully stored.Master keys are usually keys of a public -key cryptosystem ... her key KAB = gA (rB) and Bob computes his key KBA = gB (rA) It is easy to see that KAB = KBA and therefore Alice and Bob can now use their (identical) keys to communicate using some secret -key ... infeasible for others Analogy: Secret -key cryptography Put the message into a box, lock it with a padlock and send the box Send the key by a secure channel Public -key cryptography Open padlocks, for...

Ngày tải lên: 11/07/2014, 20:21

... family life and sexuality, mental and emotional health, injury prevention and safety, nutrition and weight problems, substance use and abuse, personal health, and the prevention and control of ... years of age and older from the community and health organizations to discuss and share health information and community concerns and issues about the exposure to hazardous substances and how they ... science knowledge and techniques that are relevant to the understanding of physical health and illness and the application of this knowledge and these techniques to prevention and treatment, as...

Ngày tải lên: 05/10/2012, 09:47

... domain, and then click OK q In the Certification Authority page, verify the CA and computer names, and then click Next r s View and install the certificate In the Certificate Friendly Name and Description ... authority Detailed Steps j In the console tree, expand Certificates – Current User, and then select Personal k Right-click Personal, point to All Tasks, and then click Request New Certificate l In the ... Reserved Designing a Public Key Infrastructure Tasks Detailed Steps Verify the installation of the certificate x In the console tree, expand Personal, and then click Certificates y In the details...

Ngày tải lên: 19/10/2013, 02:15

... the active region, À is the confinement factor, and use has been made of Eq (A5.1) Replacing E in Eq (A5.2) by the average given by Eq (A5.3), and calculating the relative time variation in the ... f2 ð1 À f1 Þr ð!m Þ h nr ng "0 m2 !m ðA5:6Þ Accordingly, from Eqs (A5.5) and (A5.6), the spontaneous emission term and the mode gain are correlated by Rsp ð!m Þ ¼ nsp GGð!m Þ  ! f2 ð1 À f1 ... Lorentzian distribution with a half-width Á! at half-maximum and using Copyright © 2004 Marcel Dekker, Inc Spontaneous Emission Term and Factors 301 an approximation that spontaneous emission...

Ngày tải lên: 19/10/2013, 22:15

... resettable alarm log showing first and last occurrence date and time, and number of occurrences for each alarm type Alarm Relay: Form C relay contacts NO, NC and COM Loopbacks: local or remote ... E1: G.821 and G.826 Performance Measurements: ES, SES, UAS, BBES, ESR, SESR, BBER E1 Alarms: LOS, LFA, RAI, RAIS PM History: 96x15 minute increments, 7x24 hour increments for both HDSL and E1 performance ... 2.304 Mbps Range: (see chart at right) Connector: DB9F (adapters available) Protection: ITU-T K.20 and K.21 compliant Compliance: ITU-T G.991.2 E1 Interface WorldDSL G.S Reach Chart 0.4mm 0.6mm 0.8mm...

Ngày tải lên: 22/10/2013, 18:15

... are common, and are supported by many or most people in: Austria (29%), Germany (80%), Greece (81%), Poland (50%), Slovakia 61%) and Turkey (39%) (Gaebel et al., 2002; Sartorius and Schulze, ... relatively authoritarian personality, and among people who believe that the world is basically just (and so people get what they deserve) (Crandall and Eshleman, 2003; Crandall et al., 2002) Such emotional ... (1), 67–83 Crandall, C S., Eshleman, A and O’Brien, L (2002) Social norms and the expression and suppression of prejudice: the struggle for internalization Journal of Personality and Social Psychology,...

Ngày tải lên: 01/11/2013, 09:20

... Questions, and Problems 263 Chapter Public -Key Cryptography and RSA 266 9.1 Principles of Public -Key Cryptosystems 269 9.2 The RSA Algorithm 277 9.3 Recommended Reading and Web Sites 291 9.4 Key Terms, ... Standard (DSS) 403 Recommended Reading and Web Sites 406 Key Terms, Review Questions, and Problems 407 PART FOUR MUTUAL TRUST 410 Chapter 14 Key Management and Distribution 410 14.1 Symmetric Key ... about and understanding this important standard The chapter on AES has been revised and expanded, with additional illustrations and a detailed example, to clarify the presentation Examples and...

Ngày tải lên: 07/12/2013, 11:53

... part primary key (e.g., customer key, product key, time key) See also Dimension and InfoCube Drilldown List There are two types of lists in drilldown reporting: drilldown lists and detail lists ... retrieval of data and decision support reporting Data is organized by subject area and is time dependent The data store contains figured quantities and dimensional data Delta Update and Full Update ... of characteristics and key figures You can use evaluation structures to help you define your own evaluation by using the pickup technique to choose the characteristics and key figures you require...

Ngày tải lên: 21/12/2013, 19:15

... resettable alarm log showing first and last occurrence date and time, and number of occurrences for each alarm type Alarm Relay: Form C relay contacts NO, NC and COM Loopbacks: local or remote ... E1: G.821 and G.826 Performance Measurements: ES, SES, UAS, BBES, ESR, SESR, BBER E1 Alarms: LOS, LFA, RAI, RAIS PM History: 96x15 minute increments, 7x24 hour increments for both HDSL and E1 performance ... PRBS generator and BER meter from the customer premise or CO ends Power Input Power: DC -36 to -72 VDC or AC 90 to 264VAC 47 to 63 Hz Line Power Cover full reach for G.shdsl standard span One...

Ngày tải lên: 17/01/2014, 10:20

... C Hyde 93 Handbook of Crisis and Emergency Management, edited by Ali Farazmand 94 Handbook of Comparative and Development Public Administration: Second Edition, edited by Ali Farazmand 95 Financial ... Organization Theory and Management, edited by Thomas D Lynch 22 Politics and Administration: Woodrow Wilson and American Public Administration, edited by Jack Rabin and James S Bowman 23 Making and Managing ... Gerald J Miller 46 Handbook of Public Budgeting, edited by Jack Rabin 49 Handbook of Court Administration and Management, edited by Steven W Hays and Cole Blease Graham, Jr 50 Handbook of Comparative...

Ngày tải lên: 15/02/2014, 19:20

... shared key?  Two types of key establishment: – Key Agreement – Key Distribution Key Distribution  Key Agreement protocols: the key isn’t determined until after the protocol is performed  Key ... Time1}] A Sends B: EeB(IDA||N1) and B does steps and B Sends: EeA(N1||N2) A Sends: EeB(N2) B Public Key Certificates   Idea: Use certificates! Participants exchange keys without contacting a PK ... of Public Keys  There are several techniques proposed for the distribution of public keys: – Public announcement – Publicly available directory – Public key authority – Public key certificates...

Ngày tải lên: 17/02/2014, 15:20

... and Web Sites 195 Section 8.7 Key Terms, Review Questions, and Problems 196 Chapter Public -Key Cryptography and RSA 199 Section 9.1 Principles of Public -Key ... implemented and are in use today / 526 Cryptography and Network Security Principles and Practices, Fourth Edition • Table of Contents • Index Cryptography and Network Security Principles and Practices, ... 7.3 Key Distribution Section 7.4 Random Number Generation Section 7.5 Recommended Reading and Web Sites Section 7.6 Key Terms, Review Questions, and Problems Part Two: Public -Key Encryption and...

Ngày tải lên: 18/02/2014, 08:20

... United Nations and serves as the main economic and social development centre for the United Nations in Asia and the Pacific Its mandate is to foster cooperation between its 53 members and associate ... Tjerah Leonardo KEY ECONOMIC DEVELOPMENTS AND PROSPECTS IN THE ASIA-PACIFIC REGION 2008 United Nations ESCAP New York, 2007 ECONOMIC AND SOCIAL COMMIS SION FOR ASIA AND THE PACIFIC i KEY ECONOMIC ... somewhat reduced growth North and Central Asia experienced rapid and broad-based growth from energy exports and domestic demand supported by energy revenues South and South-West Asia benefited...

Ngày tải lên: 21/02/2014, 01:20

... component and a private component – Two kinds: ● ● – Public key distribution: establish shared key first Public key cryptography: use public/private keys in encryption/decryption Public key cryptography ... Fundamentals of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09­13 May 2005 Public -Key Systems ● Shared -key ==> difficulties in key distribution – ● C(n,2) = O(n^2) keys Public key system ... Fundamentals of Wired and Wireless Networks, Kameswari Chebrolu and Bhaskaran Raman, 09­13 May 2005 Key Management ● Keys need to be generated periodically – – ● New users Some keys may be compromised...

Ngày tải lên: 05/03/2014, 23:20