Contents
How do I view the contents of a p12 file?
You can view the contents of a p12 key by installing OpenSSL, an open-source cryptography toolkit, and entering the command openssl pkcs12 -info -nodes -in yourfilename. p12 at your PC’s command line.
How do I unpack a .p12 file?
To extract the certificate, use these commands, where cer is the file name that you want to use:
- openssl pkcs12 -in store.p12 -out cer.pem. This extracts the certificate in a . pem format.
- openssl x509 -outform der -in cer.pem -out cer.der. This formats the certificate in a . der format.
Does pkcs12 need password?
The PKCS #12 password is used to protect private data in the PKCS #12 file. This password is required to import the file. The user then telephones the recipient and provides the PKCS #12 password.
How do I view PFX files?
The contents of a pfx file can be viewed in the GUI by right-clicking the PFX file and selecting Open (instead of the default action, Install). This will open mmc and show the pfx file as a folder. Open the pfx folder and the Certificates subfolder, and you will see the certificate(s) contained in the pfx.
Which three pieces of information are required in a p12 certificate file?
1 Answer. The . p12 contains both the private and the public key, and also information about the owner (name, email address, etc. ) all being certified by a third party.
How to extract public information from p12 file?
The whole p12 file is encrypted. But not only the whole file, also the contained private key (encryption of the private key is done by default). So the key is encrypted twice and there is no way to access the public part of the file (certificates).
What happens if you create a P12 with a password?
My understanding is that if you created the p12 with a password, then the entire contents are encrypted as one blob. ie there is no way to access the only the certificates without knowing the password. Thanks for contributing an answer to Information Security Stack Exchange!
Is there an expiration date for a P12 certificate?
Keys themselves don’t have expiration dates, you want to extract the certificate from the p12 and look at the notAfter or validTo field. My understanding is that if you created the p12 with a password, then the entire contents are encrypted as one blob. ie there is no way to access the only the certificates without knowing the password.
How to extract the certificate from a private key?
You need to extract the certificate, not the private key. Keys themselves don’t have expiration dates, you want to extract the certificate from the p12 and look at the notAfter or validTo field.