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Internet Security Issues

Introduction to Public Key Encryption and Java Security Mechanism of Internet Explorer and Netscape. Cheng-Wen Chen. Internet Security Issues. Eavesdropping Tampering Impersonation. Public Key Cryptography. Encrypt & Decrypt Detect Tampering Identify Signer (Authentication) Nonrepudiation.

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Internet Security Issues

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  1. Introduction to Public Key Encryption and Java Security Mechanism of Internet Explorer and Netscape.Cheng-Wen Chen

  2. Internet Security Issues • Eavesdropping • Tampering • Impersonation

  3. Public Key Cryptography • Encrypt & Decrypt • Detect Tampering • Identify Signer (Authentication) • Nonrepudiation

  4. Encrypt & Decrypt

  5. Detect Tampering

  6. Identify Signer • Digital certificate • To identify individuals, companies… • Certificate Authority (CA)

  7. Outside Sandbox - Netscape • Capability class • Fine-grained access control • netscape.security.PrivilegeManager.enablePrivilege(“UniversalPrintJobAccess”); • key3.db • cert7.db

  8. Outside Sandbox - IE • Cabnet file • Default Permission • yourKeyName.pvk • yourCertName.spc

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