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A free and open implementation of the SSH communication security tools.

14 votes
Accepted

Checking if an RSA private key is passphrase protected

Just open it, if it's encrypted it will begin with -----BEGIN RSA PRIVATE KEY----- Proc-Type: 4,ENCRYPTED DEK-Info: AES-128-CBC,0F5C7993DCFA4C0962CE249CFD854B91 if it is not it will begin directly …
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