[CentOS] Asymmetric encryption for very large tar file
Brian Mathis
brian.mathis+centos at betteradmin.comFri Dec 19 21:22:29 UTC 2014
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On Fri, Dec 19, 2014 at 3:48 PM, Les Mikesell <lesmikesell at gmail.com> wrote: > On Fri, Dec 19, 2014 at 2:40 PM, Brian Mathis > <brian.mathis+centos at betteradmin.com> wrote: > > > > > > GPG is really what you want to be using for this. OpenSSL is a general > > toolkit that provide a lot of good functions, but you need to cobble some > > things together yourself. GPG is meant to handle all of the other parts > of > > dealing with files. > > > > I will expand on what someone else mentioned -- asymmetric encryption is > > not meant for, and has very poor performance for encrypting data, and > also > > has a lot of limitations. The correct way to handle this is to create a > > symmetric key and use that to encrypt the data, then use asymmetric > > encryption to encrypt only the symmetric key. > > > > GPG takes care of this all internally, so that's what you should be > using. > > > > Will GPG use the intel aes hardware acceleration - in the version > available for Centos5? > > -- > Les Mikesell > It doesn't appear to be available for any program running on CentOS 5. https://www.centos.org/forums/viewtopic.php?t=17713 ❧ Brian Mathis @orev
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