If you would like to use OpenSSL on Windows, you can enable Windows 10’s Linux subsystem or install Cygwin. If you are using a UNIX variant like Linux or macOS, OpenSSL is probably already installed on your computer. OpenSSL is a very useful open-source command-line toolkit for working with X.509 certificates, certificate signing requests (CSRs), and cryptographic keys. It also provides visual examples of each encoding, and illustrates some common file format conversions with OpenSSL. This guide points out the major differences between PEM and DER files and common filename extensions associated with them. However, there is some overlap and other extensions are used, so you can’t always tell what kind of file you are working with just from looking at the filename you may need to open it in a text editor and take a look for yourself.Īs you work with digital certificates, you may find yourself with the need to convert between PEM and DER files, view their contents as human-readable text, or combine them into common container formats like PKCS#12 or PKCS#7. These extensions generally map to two major encoding schemes for X.509 certificates and keys: PEM (Base64 ASCII), and DER (binary). Restart the Access Gateway for the new SSL certificate to be applied.You may have seen digital certificate files with a variety of filename extensions, such as. Browse to the c:\certs\cag.pem file and click Upload.ġ0. Click the Browse button next to the Upload Private Key Certificate (.pem) field. Click the Maintenance link at the top of the page.ĩ. Point a browser to the Access Gateway administration portal or HTTPS Port 9001: 7. You should receive a message that says MAC verified OK.Ħ. When prompted for the import password, enter the password you used when exporting the certificate to a PFX file. Openssl pkcs12 -in c:\certs\yourcert.pfx -out c:\certs\cag.pem –nodesĥ. Type the following command to convert the PFX file to an unencrypted PEM file (all on one line): Open a command prompt and change into the OpenSSL\bin directory:Ĥ. Create a folder c:\certs and copy the file youcert.pfx into the c:\certs folder.ģ. Download and install the Win32 OpenSSL (Win32, OpenSSL v0.9.8i) package from here.Ģ. To convert a PFX file to a PEM file, follow these steps on a Windows machine:ġ. You might also need C re-distributable files if you want to use OpenSSL which can be obtained at the following link. You can download a Win32 distribution of OpenSSL here. You can use the open-source utility OpenSSL to perform the conversion from PFX to PEM. If you have requested and installed a certificate onto a Windows server using the Internet Information Service (IIS) certificate onto the Access Gateway, you must convert the PFX file to the unencrypted PEM format. Any necessary intermediate certificates must also be appended to the end of the PEM file.There should be no password required to use the PEM file. The certificate file must include a private key and the private key must not be encrypted.The certificate must be in Privacy Enhanced Mail (PEM) format, a text-based format that is a Base64 encoding of the binary Distinguished Encoding Rules (DER) format.For best results, use a commercial CA such as VeriSign, Thawte, or GeoTrust. The server certificate must be issued by a Certification Authority (CA) that is trusted by end users.The uploaded certificate file must have the following characteristics: How to Convert PFX Certificate to PEM Format for Use with Citrix Access Gatewayįor secure, trusted access, you must install an SSL certificate on the Access Gateway Server.
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