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| Installing and Configuring SSL under UNIX |
Converting between PEM and DER File Formats for SSL
By default, OpenSSL files are created in PEM (Privacy Enhanced Mail) format. SSL files that are created in Windows operating environments are created in DER (Distinguished Encoding Rules) format.
Under Windows, you can import a file that is created in either PEM or DER format. However, a digital certificate that is created in DER format must be converted to PEM format before it can be included in a trust list under UNIX.
Here is an example of converting a server digital certificate from PEM input format to DER output format:
OpenSSL> x509 -inform PEM -outform DER -in server.pem -out server.der
Here is an example of converting a server digital certificate from DER input format to PEM output format:
OpenSSL> x509 -inform DER -outform PEM -in server.der -out server.pem
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