What Is a PEM File?
A PEM file is a Privacy Enhanced Mail Certificate file used to privately transmit email.
PEM files arose out of the complication of sending binary data through email.
Importing Items in Keychain Access (macOS High Sierra).
The PEM format encodes binary with base64 so that it exists as an ASCII string.
you could also import SSL certificates through theFile>Import Itemsmenu in Keychain Access.
ChooseSystemfrom the drop-down menu and then follow the on-screen prompts.
Importing Items in Keychain Access (macOS High Sierra).
Create a folder there (for example,sudo mkdir /usr/share/ca-certificates/work).
Copy the .CRT file into that newly created folder.
double-check the permissions are set correctly (755 for the folder and 644 for the file).
kick off the Firefox menu and chooseOptions.
Use theBackup…option to save it.
Then, in Thunderbird, fire up the menu and click or tapOptions.
Navigate toAdvanced>Certificates>Manage Certificates>Your Certificates>Import.
Another option that might work is to use this keyutil tool.
Convert PEM to PPK withPuTTYGen.
ChooseLoadfrom the right side of the program, set the file pop in to be any file (*.
*), and then browse for and open your PEM file.
ChooseSave private keyto make the PPK file.
Still Can’t fire up the File?
You might instead have a file that just uses a similarly spelled file extension.
This will include an intermediate certificate, a root certificate, a primary certificate, and private key files.
They should be in this order: Private Key, Primary Certificate, Intermediate Certificate, Root Certificate.
Add starting and ending tags.
PEM files are containers meant to verify and decrypt data that a server sends.
A CRT (which stands for certificate) file represents a certificate signing request.
CRT files are a way to verify ownership without private key access.
CRT files contain the public key along with much more information.
