I need an access to .k12 or .pem files for all https websites I am visiting on Mac OSx machine. Can anyone help me know the path where these files can be found.
Also, need to know a way to decrypt some packets using the key.
In the Keychain Access app on Mac, select a keychain, then click either the My Certificates category or the Certificates category to see the certificates in that keychain. Select the certificate you want to view, then click the Info button in the toolbar. You can also double-click the certificate you want to view.
To update a certificate, in the Profiles pane of System Preferences, click the certificate profile, then click Update.
The default location to install certificates is /etc/ssl/certs . This enables multiple services to use the same certificate without overly complicated file permissions. For applications that can be configured to use a CA certificate, you should also copy the /etc/ssl/certs/cacert.
In the Keychain Access app on your Mac, choose Keychain Access > Certificate Assistant > Request a Certificate From a Certificate Authority. Enter your email address, name, and the email address of the certificate authority you want to issue you the certificate, then click Continue.
There are a couple of ways to get a certificate file in OSX. One way is to export the certificates from Keychain Access. Select Certificates in the Category (lower left) panel, choose Select All from the Edit menu (or hit ⌘A), and then choose Export Items... from the File menu (or hit ⇧⌘E). You can export your certificates as a .p12 file or a .cer file. The problem with this approach is you have to perform these steps periodically to keep your file in sync with the latest updates from Apple.
Another way is to install OpenSSL and use the cert.pem
file that comes with it. Similarly, you'll have to keep OpenSSL up to date.
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