openssl decrypted private key

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have a question regrading private keys,

I have openssl 1024 bit x509 private key with a passphrase. I
decrypted the private key with the following command,

openssl rsa -in mykey.private -out mykey.privd (it asked me for a
password and then generated mykey.privd

now my question is that if a users has just the mykey.privd file, can
he know my password? it is reasonable to assume that he won't be able
to crack that easily?

Re: openssl decrypted private key

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x509 is a certificate (public-key) format.  The private key is something

But to answer your question:
 - no

Knowing only mykey.privd, they can't find the password used in
mykey.private.  There isn't even a way (other then brute-force) to find
the password given mykey.private and mykey.privd.



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