Problem: Product Name: VisiBroker Product Version: ALL Product Component: SSL Platform: ALL How to convert a cert from DER format to PEM format and vice versa? Resolution: To convert a binary format cert/key (DER) to a PEM format cert/key or vice versa, the tools from openssl (www.openssl.org) can be used. Here are the commands: 1. To convert a cert from DER format to PEM format: openssl x509 -in input.cer -inform DER -out output.cer -outform PEM 2. To convert a cert from PEM format to DER format: openssl x509 -in input.cer -inform PEM -out output.cer -outform DER 3. To convert a private key from DER format to PEM format: openssl rsa -in inkey.cer -inform DER -out outkey.cer -outform PEM 4. To convert a private key from PEM format to DER format: openssl rsa -in inkey.cer -inform PEM -out outkey.cer -outform DER
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