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SSL Converter

Convert the Format of Any SSL Certificate

Sometimes, a certificate authority (CA) provides certificate in an unsupported format. Therefore, one needs to convert it into supported format. With the help of OpenSSL commands, you can easily do that.

The following series of OpenSSL commands allows you to convert SSL certificate in various formats on your own machine.

OpenSSL commands to convert PEM file

Convert PEM to DER

openssl x509 -outform der -in certificate.pem -out certificate.der

Convert PEM to P7B

openssl crl2pkcs7 -nocrl -certfile certificate.cer -out certificate.p7b -certfile CACert.cer

Convert PEM to PFX

openssl pkcs12 -export -out certificate.pfx -inkey privateKey.key -in certificate.crt -certfile CACert.crt

OpenSSL commands to convert DER file

Convert DER to PEM

openssl x509 -inform der -in certificate.cer -out certificate.pem

OpenSSL commands to convert P7B file

Convert P7B to PEM

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

Convert P7B to PFX

openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer openssl pkcs12 -export -in certificate.cer -inkey privateKey.key -out certificate.pfx -certfile CACert.cer

OpenSSL commands to convert PFX file

Convert PFX to PEM

openssl pkcs7 -print_certs -in certificate.p7b -out certificate.cer openssl pkcs12 -in certificate.pfx -out certificate.cer -nodes
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