Thank you for the information. I still don't see where in the code that any of these `ck` checks are enforced though. For example, who enforces `ck7` on a P11ECPrivateKeyObj, so that a sensitive key cannot be revealed?
Thank you, -Dave On Thu, Oct 12, 2017 at 11:09 AM Rickard Bellgrim <rick...@opendnssec.org> wrote: > Hi Dave > > The checks comes from PKCS#11 [1] and is enforced according to it. You can > cross-reference all the attributes with PKCS#11. > > ck1 is set for CKA_CLASS [2], but CKA_TOKEN is an optional attribute that > will default to CK_FALSE and is not required when creating an object. > > CKA_CERTIFICATE_TYPE is only used by certificate object and will not be > required for key objects. You can check how the attributes are used in > P11Objects.cpp [3] and also in the PKCS#11 standard. > > [1] > http://docs.oasis-open.org/pkcs11/pkcs11-base/v2.40/os/pkcs11-base-v2.40-os.html > [2] > https://github.com/opendnssec/SoftHSMv2/blob/develop/src/lib/P11Attributes.h#L140 > [3] > https://github.com/opendnssec/SoftHSMv2/blob/develop/src/lib/P11Objects.cpp > > // Rickard > > On Wed, Oct 11, 2017 at 11:34 PM, Dave Fine <finerrecli...@gmail.com> > wrote: > >> Hello, >> >> I have a question regarding P11Attributes.h the SoftHSMv2 code base. In >> this file, there is an enum that defines a number of `ck` checks. As an >> example, ck1 seems to be reserved for when an attribute is required while >> creating an object. Therefore, I would expect ck1 to be set on P11Attribute >> child classes such as P11AttrClass, and P11AttrToken (to enforce >> requiring CKA_CLASS and CKA_TOKEN). However, I see that ck1 is not used for >> P11AttrToken. Instead I see P11AttrCertificateType uses a ck1 check, >> which is not something I would think be required when creating an object. >> For example, why would CKA_CERTIFICATE_TYPE be required, if you were >> creating a key object? >> >> Could someone clear up how the `ck` checks are supposed to be used? >> Perhaps I am not understanding it correctly. >> >> Thank you, >> -Dave >> >> _______________________________________________ >> Opendnssec-user mailing list >> Opendnssec-user@lists.opendnssec.org >> https://lists.opendnssec.org/mailman/listinfo/opendnssec-user >> >> >
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