Converting Certs to PEM Mac
You can convert any DER format cert to PEM running the following command and replacing the certificate filenames with your own:
openssl x509 -inform der -in CertificateInputName.cer -out CertificateOutputName.pemYou can convert any DER format cert to PEM running the following command and replacing the certificate filenames with your own:
openssl x509 -inform der -in CertificateInputName.cer -out CertificateOutputName.pem