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-boun...@openssl.org] *De la
part de* Warron French
*Envoyé :* jeudi 7 juillet 2016 22:37
*À :* openssl-users@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
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