Re: GCM counter inc

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Can someone verify if it is a bug?

Thanks

On Wed, Jun 20, 2012 at 11:44 AM, Ronen Shitrit <rshitrit@xxxxxxxxx> wrote:
> Hi
>
> According to the GCM NIST publication, the counter increment should be
> module 32 bit.
> Looking into the crypto code, I can see that when using gcm(aes) the
> gcm will use the ctr over aes,
> ctr.c is using the crypto_inc with size of blocksize, which is 16 for AES.
> in case crypto_inc will overflow in 32bit it will inc the next 32bit...
>
> Is this a bug or am I missing something?
>
> Regards
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