Re: Using NSValueTransformer for encryption
Re: Using NSValueTransformer for encryption
- Subject: Re: Using NSValueTransformer for encryption
- From: "Michael Varlik" <email@hidden>
- Date: Fri, 11 Jan 2008 07:45:18 +0100
-------- Original-Nachricht --------
> Datum: Fri, 11 Jan 2008 11:38:11 +1030
> Von: Jonathon Mah <email@hidden>
> An: Michael Varlik <email@hidden>
> CC: email@hidden
> Betreff: Re: Using NSValueTransformer for encryption
> Hi Michael,
>
> > I belive, that an advantage of this solution would be that there
> > won't be any decrypted values in the memory footprint of the
> > application as long as there are any values displayed.
>
>
> Why is this an advantage?
>
> Additionally, even if the values weren't cleartext in memory at any
> given point, the encrypted values along with the decryption code and
> key would be.
>
Hi Jonathon,
this would only be an advantage, if you remove the key as well after
it's been used. There's still a small time frame where the key is stored in memory - but this is the same with the unencrypted values.
Best regards,
Michael
>
>
> Jonathon Mah
> email@hidden
>
>
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