1 / 10

Chapter 9. Sending and Receiving Secure E-mail

Chapter 9. Sending and Receiving Secure E-mail. Index (1/2). What is E-mail Security? Public Key Cryptography Getting and Using Your (Other People ’ s) Own Digital Certificate Secure E-mail with Outlook 98 Outlook Express Netscape Messenger Index (2/2) Get and Using PGP

damon
Download Presentation

Chapter 9. Sending and Receiving Secure E-mail

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chapter 9.Sending and Receiving Secure E-mail

  2. Index (1/2) • What is E-mail Security? • Public Key Cryptography • Getting and Using Your (Other People’s) Own Digital Certificate • Secure E-mail with • Outlook 98 • Outlook Express • Netscape Messenger • Index (2/2) • Get and Using PGP • Secure E-mail with • Eudora/Outlook 97/Other Programs

  3. What Is E-mail Security? • 메시지 보안의 이유 • Packet sniffers or casual hackers • “Public Key Cryptography” • 한 쌍의 Key를 받음 (암호화 시 사용하는 것, 모든 사람들이 사용할 수 있는 것) • Using Cryptography with E-mail • Decrypted digital ID, attach E-mail

  4. Public Key Cryptography • Digital Certificates (Digital ID) • 인증기관 (ex. VeriSign) (S/MIME) • Browser에 포함된 E-mail Agent에 사용됨 (Outlook98, Outlook Express, Netscape Messenger) • PGP (PGP/MIME) • Eudora & Outlook 97등 나머지 다수의 프로그램에서 사용됨

  5. Getting and Using Your Own Digital Certificate • Getting Your Own Digital Certificate • 브라우저로 ‘http://www.verisign.com’에 접속 • 1년 $14.95 (60일 Trial 가능) • Backing Up Your Digital Certificate • 일반 Mail Agent • 다운로드시 Copy 가능 • 카피본으로 사용 가능 • 브라우저의 경우 • Export option 제공 (Internet Explorer : ‘Client Authentication’ Netscape Navigator : ‘Your Certificates’)

  6. Getting Other People’s Digital Certificates • ‘http://digitalid.verisign.com/query.htm’에서 찾는 방법 • Outlook, Outlook Express or Netscape Messenger 등에서 자동으로 찾아줌

  7. Secure E-mail with Outlook 98 & Outlook Express • Importing Your Digital Certificate • Sending Signed or Encrypted Messages • Receiving Signed or Encrypted Messages • Storing Other People’s Digital Ids (Netscape Messenger도 같은 방법으로 Secure E-mail을 보냄)

  8. Getting and Using PGP(1/2) • Getting a PGP Program • 사업용 • ‘http://www.nai.com’ • 개인용 • ‘http://web.mit.edu/network/pgp.html’ • 문서 & 질문들 • ‘http://cryptography.org/getpgp.htm’ • ‘http://www.pgpi.org’

  9. Getting and Using PGP(2/2) • Creating a Key Pair • Managing Your Key Ring • Own Key & Other’s Key • Distributing your PGP Public Key • PGP Key server에 등록 • 타인에게 key를 E-mail로 보냄 • Establishing PGP Preferences

  10. Secure E-mail with Eudora & Outlook 97 • Sending Signed or Encrypted Messages • Receiving Signed or Encrypted Messages • Saving Other People’s Public Keys (다른 프로그램들도 같은 방법으로 Secure E-mail을 보냄)

More Related