Michel, merci beaucoup, for the explanation. It does clear things up for me. I appreciate it, Warron On 7/8/2016 6:08 PM, Michel wrote: > > Hi, > > You need to remember a password. Passwords should never be stored. > > Keys are binary data (even if they look as text because they are hexa > or base64 encoded). > > Secret keys can be 'derived' from a password to be used when > encrypting or decrypting. > > Sometime you need to store an ENCRYPTED secret key (generally using > another password). > > see https://en.wikipedia.org/wiki/Key_(cryptography) > <https://en.wikipedia.org/wiki/Key_%28cryptography%29>. > > IV means 'Initial Vector', which is random binary data needed to > 'start' encryption or decryption. > > See https://en.wikipedia.org/wiki/Initialization_vector > > Hope it helps, > > Regards, > > Michel. > > *De :*openssl-users [mailto:openssl-users-bounces at openssl.org] *De la > part de* Warron French > *Envoy? :* jeudi 7 juillet 2016 22:37 > *? :* openssl-users at openssl.org > *Objet :* [openssl-users] When to use a key or password > > Is there any good rule of thumb for when to use: > > *-k <password>* versus > > *-K <key>* > > Also, what does the term IV refer to in reference to *-iv IV*? > > Thanks in advance, > > Warron > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mta.openssl.org/pipermail/openssl-users/attachments/20160710/f8cfa72d/attachment.html>
