Length for AES256 symmetric encryption passphrase?
sam.mxracer at gmail.com
Fri Apr 4 19:20:57 CEST 2014
On Fri, Apr 4, 2014 at 1:10 PM, Robert J. Hansen <rjh at sixdemonbag.org>wrote:
> 4. What is it you really want to know? You already know: AES depends on
> having a 32-bit key which can support up to 256 bits of entropy. You've
> been told two good metrics for estimating entropy in a passphrase: 1.5 bits
> per glyph of English text, 5 bits per glyph of base-64ed random data.
Just to be clear I'm not the OP so you don't accidentally confuse my
question with theirs. My original doesn't serve a purpose because I use
GPG for encrypting my files and leave it up to that and don't normally use
AES directly. My question was merely a curiosity so you can take it for
what it is.
Specifically, I said the password manager was keepassx for password
generation. I realize that GPG and openssl are entirely different.
Perhaps my question was too broad with too many variables to be properly
answered by a single person and should have been broken up into different
parts to appropriate audiences.
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