Public Key Infrastructure (PKI) and Its ... - Dematerialised ID

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Core Security Services Confidentiality Authentication Interception Is my communication private? Fabrication Who am I dealing with? Integrity Non-repudiation ? Modification Has my communication been altered? Not Sent Claims Not Received Who sent/received it and when? September 13, 1999 4
Confidentiality Provided by Encryption One Key Conventional (Symmetric) Used for both Encryption and Decryption Must be protected, kept private Secure distribution a challenge Two Keys Public Key (Asymmetric) Mathematically related One key used for encryption, may be made public One key used for decryption, must be protected, kept private September 13, 1999 5
Page 1 and 2: Public Key Infrastructure (PKI) and
Page 3: Some Security Issues…. “On The
Page 7 and 8: Integrity Provided by Digital Signa
Page 9 and 10: Certification Authority and Trust
Page 11 and 12: What is a PKI? • A PKI (Public Ke
Page 13 and 14: Components of a PKI Certification
Page 15 and 16: Web Server Authentication (SSL - Se
Page 17 and 18: Secure E-mail (S/MIME) Certificatio
Page 19 and 20: Wireless World - How Will it Work?
Page 21 and 22: Access Control Browser or Client Ap
Page 23 and 24: Identrus: B2B Commerce IDENTRUS Roo
Page 25 and 26: Other applications • E-tickets

Public Key Infrastructure (PKI) and Its ... - Dematerialised ID

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