[openssl-users] Question as to best options....

Salz, Rich rsalz at akamai.com
Fri Dec 29 01:20:42 UTC 2017

The difference is “auto private key” versus “RSA private key.”


This is a private key wrapped in a PKCS8 container with a key-type identifier.

root at Test-MCP:/usr/local/etc/HD-MCP/ssl/x # openssl rsa -inform pem -in test.key -outform der -out key.der
writing RSA key

This just writes the DER of the RSA key.  Different thing.

Try dumping the der files with asn1dump

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