On 5/29/2014 5:07 PM, Marko Randjelovic wrote:
> If an attacker got my secret key while it wasn't encrypted (no
> passphrase) and then I put a passphrase, and then the same attacker
> gets encrypted key, can he find out my passphrase based on difference
> between non-encrypted and encrypted key?

This is considered "computationally infeasible."  That phrase means, "it
would require science-fiction technologies to do it."


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