Solution

To convert a PKCS #7 (.p7b) to PEM (Privacy Enhanced Mail) certificate format using OpenSSL, perform the following steps.

Obtain OpenSSL

Note: In order for OpenSSL software to be successfully installed on a computer system, you must have local system administrator privilege on the computer.

Download and install OpenSSL to perform a certificate conversion.

• Windows
• Linux

Convert PKCS #7 (.p7b) to PEM using OpenSSL

Run the following OpenSSL command:

openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer