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Network Security: E-mail Security

Network Security: E-mail Security. Objectives. To learn to use e-mail security tools PGP To learn the availability of email security libraries S/MIME. Packages & Libraries in this Lab. Packages GPG4win: for Windows. Experiment Scenario. Signing/verification of files using certificates

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Network Security: E-mail Security

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  1. Network Security: E-mail Security

  2. Objectives • To learn to use e-mail security tools • PGP • To learn the availability of email security libraries • S/MIME

  3. Packages & Libraries in this Lab • Packages • GPG4win: for Windows

  4. Experiment Scenario • Signing/verification of files using certificates • Create a new certificate • Encrypt/sign emails • Encrypt/sign the file “original.txt” into another file “enc.txt” (using sender’s certificate) • Then, we decrypt/verify it and get another file “dec.txt” (using sender’s certificate), and check if the decrypted file is the same as the original file • Sending/receiving e-mails with certificates • Set up email account • Read mails • Send mails

  5. GPG4win • Homepage: http://www.gpg4win.org/ • Latest version: 2.1.0 • OpenPGP: an open standard for e-mail security (RFC 4880) • S/MIME also included • Installation steps: • Simply follow the instructions on screen

  6. Other Tools Included in GPG4win • Kleopatra: GnuPG certificate manager • New certificate • Encrypting/Signing a file • Decrypting/Verifying a file • Claws Mail: a mail reader • Setting up your mail account • Reading mails • Sending mails

  7. Microsoft Outlook Support in GPG4win • PGP for Outlook • GpgOL 1.0 can support OpenPGP and S/MIME

  8. Configuring Outlook for S/MIME • Configure Your Personal Email Certificates • Send a Signed Message • Read a Signed Message • Check the Credentials of a Signed Message • Send an Encrypted Message • Read an Encrypted Message • Get Certificates for Other Users

  9. Summary • Email security • PGP • S/MIME

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