Today is friday and I’m a desperate sysadmin. I issued a demand of certificate for an HTTPS server, and just received it after more than a long week of waiting, but while my request was processed I lost the passphrase that secured my private key.
Given that I have the private key and the public key jointly generated with the passphrase (that I knew by the time), could there be a clever way to recover the lost passphrase.
Thanks in advance.
Not really. The point of these protection is precisely to make it infeasible to recover the password.
If the password wasn’t too long, you might try brute force…
Your best option is probably to contact your CA and ask them to re-issue a certificate with a new CSR. Some might allow re-keying without an extra fee during the certificate validity period.