![]() Note that if the certificate.pem file contains the entire certificate chain it will be imported into the keystore as part of the private key entry. To create the keystore from an existing private key and certificate, run the following command. While some configurations require the certificate and private key to be in separate files with pointers to them, it is becoming more common for configuration to point to a keystore instead. ![]() How do I create a PKCS12 keystore from an existing private key and certificate using openssl? Keytool genkey options for PKCS12 keystore Size of the generated private key in bits Validity of the certificate associated with the key entry Password to set on both the key entry and keystore Key algorithm of key entry to be generated Keystore generation option breakdown: Keytool option Using the Java Keytool, run the following command to create the keystore with a self-signed certificate: keytool -genkey \ -alias somealias \ -keystore keystore.p12 \ How do I create a keystore with a self-signed certificate using the java keytool? With that said, this post strives to provide examples to common commands used to create and manage PKCS12 keystores that will hopefully make your life on the job a bit easier.įor numerous examples of converting to and from pkcs12 that may not be covered in this article you can read more here. It is recommended to migrate to PKCS12 which is an industry standard format The JKS keystore uses a proprietary format. In fact, if you choose to generate a JKS keystore with the Java Keytool you will receive the following warning: The PKCS12 keystore is non-proprietary unlike the JKS and is becoming the most commonly used format. Unfortunately, there is not 100% coverage in all commands for maintaining PKCS #12 keystores in either OpenSSL or the Java Keytool so you must use both for comprehensive coverage of all the functions for maintaining your keystore. RFC 7292 goes into much much much more detail about the PKCS #12 standard: If you are in the market of purchasing a new SSL Certificate, start here. pfx for clarity, but may be anything you choose. The keystore’s purpose is to store the credential of an identity, being a person, client, or server. The keystore may contain both private keys and their corresponding certificates with or without a complete chain. I also have no clue the differences between the PFX file generated by OpenSSL and the PFX file generated by MMC, but clearly there's a difference and Azure preferes the latter.A pkcs12 keystore is commonly used for both S/MIME User Certificates and SSL/TLS Server Certificates. I'm not an export in SSL certificates so I'm not sure if all of these steps are necessary, I just know that they worked for me. The PFX file generated from the MMC app will upload to the Azure Portal correctly. Give the file a password, then save the file. ![]() Then on the next page choose "PFX" option, then check "Export all extended properties". When exporting be sure to check "Yes, export the private key".Once the PFX file is imported you need to right click on the server certificate and then "export." it.Important that when you import it that you check "Mark this key as exportable." ![]() Then import this PFX file into MMC (Microsoft Management Console). Openssl.exe pkcs12 -in chain.pem -inkey PRIVATEKEY.key -export -out myPrivateCert.pfx Then export this file as a PFX using openssl Here's the complete solution.Ĭombine the CRT files (ServerCertificate.crt then Intermediate.crt then root.crt) into a single chain.pem file The PFX file generated after his steps still wasn't accepted by Azure. I followed the steps from but it was only part of my problem. "C:\Program Files\OpenSSL-Win64\bin\openssl.exe" pkcs12 -in chain.pem -inkey PRIVATEKEY.key -export -out myPrivateCert.pfxĪgain this PFX file won't upload to Azure.I then tried to generate the PFX file with this command: I tried merging the 3 CRT files into one chain.pem file such that the ServerCertificate file was first, then Intermediate, then root. I'm new to SSL certificates and I'm not quite sure the differences between the 3 CRT files I was returned. I know I entered the password correct, so I feel I generated the PFX incorrectly. The password is incorrect, or the certificate is not valid.This does generate a PFX file but when I try to upload it to Azure it says "C:\Program Files\OpenSSL-Win64\bin\openssl.exe" pkcs12 -export -out myPrivateCert.pfx -inkey PRIVATEKEY.key -in ServerCertificate.crt.I've tried to create my PFX file with the following command I generated mycsr.csr as well as privatekey.key and from Entrust I recieved back 3 files root.crt, Intermediate.crt and ServerCertificate.crt. I'm trying to create a PFX file for my website hosted on Azure.
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