Check Key File, Using OpenSSL

From NetworkStuff

To check a public or private key file using OpenSSL use the openssl rsa command as shown below, a valid file will return a RSA key ok message.

Valid file formats are;

• PEM
• NET
• DER

The -noout parameter prevents the actual key from being displayed.

openssl rsa -inform PEM -in networkstuff.eu.key -noout -check

RSA key ok

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Information on OpenSSL Commands

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