Re: [pkcs11]: CKM_PKCS5_PBKD2_PARAMS struct: password length

[Andrey Jivsov <Andrey_Jivsov@symantec.com>]

On 04/17/2013 06:28 PM, Tim Hudson wrote:
> On 18/04/2013 10:09 AM, Andrey Jivsov wrote:
> > The definition of NULL in the C99 language standard defines NULL to be
> > equal the numeric value 0.
> And that doesn't help - what you are looking for is that a pointer value
> cannot have the value 0 - and C99 does not define that - the pointer

I have difficulty locating the standard, but the interpretations of the 
C standard are abundant to at least strongly suggest to use NULL==0.

http://c-faq.com/null/

5.5 talks about defining NULL to 0 even on machines that use non-zero 
bit patters to represent the NULL pointer.


> passed incorrectly in ulPasswordLen can be zero and can still be valid.

It's likely that that these systems will not have PKCS#11 libraries 
running on them.

> Re-reading C99 6.3.2.2 should make that clearer (although that is an
> unusual use of the word 'clearer').
>
> However this is diverging from the main topic ...
>
> Tim.
>
>
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