itt2 its pki and certificates

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Page 1: Itt2 its pki and certificates

Morten Bo Nielsen – [email protected] 1/8

PKI and certificates

ITT2 IT security

2014S

Page 2: Itt2 its pki and certificates

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Certificates

Think “signature”With name

And validation

Page 3: Itt2 its pki and certificates

Morten Bo Nielsen – [email protected] 3/8

Assignment X.509 Format

1)Go to https://google.dk2)Save certificate as .pem3)openssl x509 -in star.google.dk.pem -noout -text4)What information is in it

http://en.wikipedia.org/wiki/X.509

Page 4: Itt2 its pki and certificates

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CertificateAuthorities

Page 5: Itt2 its pki and certificates

Morten Bo Nielsen – [email protected] 5/8

Assignment: Treasure hunting

What is is in /etc/ssl/certs

/etc/ssl/private/etc/ssh

Page 6: Itt2 its pki and certificates

Morten Bo Nielsen – [email protected] 6/8

Root CA

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Assignment: Set up your own

Create a CA root certificate (hint)Make a signed certificate

Have someone check that it is valid (hint)

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Credits & licences● Content by Morten Bo Nielsen

License: Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. (http://creativecommons.org/licenses/by-nc-sa/3.0/)

● EAL logo might be an issue, please check before you use it