Tracking here: https://issues.apache.org/jira/browse/LOG4J2-1896

Gary

On Fri, May 5, 2017 at 12:46 PM, Matt Sicker <boa...@gmail.com> wrote:

> I agree with using char[] for this due to the overwriting of contents that
> Remko explained. Here's a neat Stack Overflow post to back us up:
> https://stackoverflow.com/questions/8881291/why-is-char-
> preferred-over-string-for-passwords
>
> On 5 May 2017 at 04:50, Remko Popma <remko.po...@gmail.com> wrote:
>
> > String objects containing a password stay resident in memory even after
> > being garbage collected and can be obtained by reading the memory from an
> > external process.
> >
> > char [] arrays are mutable so their content can be nulled out after
> > authentication is complete. This is not possible with String objects.
> >
> >
> >
> > (Shameless plug) Every java main() method deserves http://picocli.info
> >
> > > On May 5, 2017, at 17:35, l Ståldal <mikael.stal...@magine.com> wrote:
> > >
> > > OK.
> > >
> > > On Fri, May 5, 2017 at 10:33 AM, Gary Gregory <garydgreg...@gmail.com>
> > > wrote:
> > >
> > >> Subclasses can still make the same mistake as long as it is a String.
> > It is
> > >> just something I consider good practice.
> > >>
> > >> Gary
> > >>
> > >> On May 5, 2017 1:30 AM, "Mikael Ståldal" <mikael.stal...@magine.com>
> > >> wrote:
> > >>
> > >>> What about a custom implementation of StoreConfiguration.toString
> which
> > >>> does not include the password?
> > >>>
> > >>> On Fri, May 5, 2017 at 10:28 AM, Gary Gregory <
> garydgreg...@gmail.com>
> > >>> wrote:
> > >>>
> > >>>> Usually toString on an object that includes a password String can
> end
> > >> up
> > >>> in
> > >>>> places like logs that it should not be. A char[] toString does not
> > >>> display
> > >>>> its contents.
> > >>>>
> > >>>> Gary
> > >>>>
> > >>>> On May 5, 2017 12:41 AM, "Mikael Ståldal" <
> mikael.stal...@magine.com>
> > >>>> wrote:
> > >>>>
> > >>>>> What are those security reasons?
> > >>>>>
> > >>>>> On Fri, May 5, 2017 at 2:06 AM, Gary Gregory <
> garydgreg...@gmail.com
> > >>>
> > >>>>> wrote:
> > >>>>>
> > >>>>>> Hi,
> > >>>>>>
> > >>>>>> I think I'd like to change the type
> > >>>>>> of org.apache.logging.log4j.core.net.ssl.StoreConfiguration.
> > >> password
> > >>>>> from
> > >>>>>> String to char[] for the usual security reason.
> > >>>>>>
> > >>>>>> Thoughts?
> > >>>>>>
> > >>>>>> Gary
> > >>>>>>
> > >>>>>> --
> > >>>>>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
> > >>>>>> Java Persistence with Hibernate, Second Edition
> > >>>>>> <https://www.amazon.com/gp/product/1617290459/ref=as_li_
> > >>>>>> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1617290459&
> > >>>>>> linkCode=as2&tag=garygregory-20&linkId=
> > >>> cadb800f39946ec62ea2b1af9fe6a2
> > >>>> b8>
> > >>>>>>
> > >>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t=
> > >>> garygregory-20&l=am2&o=1&a=
> > >>>>>> 1617290459>
> > >>>>>> JUnit in Action, Second Edition
> > >>>>>> <https://www.amazon.com/gp/product/1935182021/ref=as_li_
> > >>>>>> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182021&
> > >>>>>> linkCode=as2&tag=garygregory-20&linkId=
> > >>> 31ecd1f6b6d1eaf8886ac902a24de4
> > >>>>> 18%22
> > >>>>>>>
> > >>>>>>
> > >>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t=
> > >>> garygregory-20&l=am2&o=1&a=
> > >>>>>> 1935182021>
> > >>>>>> Spring Batch in Action
> > >>>>>> <https://www.amazon.com/gp/product/1935182951/ref=as_li_
> > >>>>>> tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=1935182951&
> > >>>>>> linkCode=%7B%7BlinkCode%7D%7D&tag=garygregory-20&linkId=%7B%
> > >>>>>> 7Blink_id%7D%7D%22%3ESpring+Batch+in+Action>
> > >>>>>> <http:////ir-na.amazon-adsystem.com/e/ir?t=
> > >>> garygregory-20&l=am2&o=1&a=
> > >>>>>> 1935182951>
> > >>>>>> Blog: http://garygregory.wordpress.com
> > >>>>>> Home: http://garygregory.com/
> > >>>>>> Tweet! http://twitter.com/GaryGregory
> > >>>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> --
> > >>>>> [image: MagineTV]
> > >>>>>
> > >>>>> *Mikael Ståldal*
> > >>>>> Senior software developer
> > >>>>>
> > >>>>> *Magine TV*
> > >>>>> mikael.stal...@magine.com
> > >>>>> Grev Turegatan 3  | 114 46 Stockholm, Sweden  |   www.magine.com
> > >>>>>
> > >>>>> Privileged and/or Confidential Information may be contained in this
> > >>>>> message. If you are not the addressee indicated in this message
> > >>>>> (or responsible for delivery of the message to such a person), you
> > >> may
> > >>>> not
> > >>>>> copy or deliver this message to anyone. In such case,
> > >>>>> you should destroy this message and kindly notify the sender by
> reply
> > >>>>> email.
> > >>>>>
> > >>>>
> > >>>
> > >>>
> > >>>
> > >>> --
> > >>> [image: MagineTV]
> > >>>
> > >>> *Mikael Ståldal*
> > >>> Senior software developer
> > >>>
> > >>> *Magine TV*
> > >>> mikael.stal...@magine.com
> > >>> Grev Turegatan 3  | 114 46 Stockholm, Sweden  |   www.magine.com
> > >>>
> > >>> Privileged and/or Confidential Information may be contained in this
> > >>> message. If you are not the addressee indicated in this message
> > >>> (or responsible for delivery of the message to such a person), you
> may
> > >> not
> > >>> copy or deliver this message to anyone. In such case,
> > >>> you should destroy this message and kindly notify the sender by reply
> > >>> email.
> > >>>
> > >>
> > >
> > >
> > >
> > > --
> > > [image: MagineTV]
> > >
> > > *Mikael Ståldal*
> > > Senior software developer
> > >
> > > *Magine TV*
> > > mikael.stal...@magine.com
> > > Grev Turegatan 3  | 114 46 Stockholm, Sweden  |   www.magine.com
> > >
> > > Privileged and/or Confidential Information may be contained in this
> > > message. If you are not the addressee indicated in this message
> > > (or responsible for delivery of the message to such a person), you may
> > not
> > > copy or deliver this message to anyone. In such case,
> > > you should destroy this message and kindly notify the sender by reply
> > > email.
> >
>
>
>
> --
> Matt Sicker <boa...@gmail.com>
>



-- 
E-Mail: garydgreg...@gmail.com | ggreg...@apache.org
Java Persistence with Hibernate, Second Edition
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JUnit in Action, Second Edition
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Spring Batch in Action
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Home: http://garygregory.com/
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