Re: [pkcs11] Nonce in CCM mechanism parameter

[Valerie Fenwick <valerie.fenwick@oracle.com>]

Darren had the following thoughts on this:
Same as any other mechanism that has requirements on its params, it should 
return CK_ARGUMENTS_BAD if ulNonceLen is 0 or pNonce is NULL.

does that help?

Valerie

On 9/5/2016 6:25 AM, Dieter Bong wrote:
> All,
>
>
>
> PKCS#11 spec V2.40 sections 2.12.1 and 2.12.5 state that „/pNonce /may be NULL
> /if ulNonceLen /is 0.“ Yet both NIST SP800-38C and RFC36110 require a Nonce.
> Thus how should C_Encrypt / C_Decrypt for CCM encryption react in case that the
> nonce is omitted (ulNonceLen = 0) ? Shouldn’t it return an error? And
> consequently NOT allow pNonce and ulNonceLen being NULL / 0 ?
>
>
>
> Any opinion?
>
>
>
> Thanks,
>
> Dieter
>
>
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--
Valerie Fenwick, http://bubbva.blogspot.com/ @bubbva
Solaris Cryptographic & Key Management Technologies, Manager
Oracle Corporation: 4180 Network Circle, Santa Clara, CA, 95054.