Cannot find private match with certificate cka id / cka label

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kifle...@gmail.com

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Feb 23, 2020, 10:53:49 PM2/23/20
to Pkcs11Interop
Hi guys, 

Im working on signing using private key in usb token which have multilple certificate inside it. So i need to get private key which match with the valid certificate...


List<ObjectAttribute> privateKeyAttributes = new List<ObjectAttribute>();
privateKeyAttributes.Add(new ObjectAttribute(CKA.CKA_CLASS, CKO.CKO_PRIVATE_KEY));
privateKeyAttributes.Add(new ObjectAttribute(CKA.CKA_KEY_TYPE, CKK.CKK_RSA));

List<ObjectHandle> foundPrivateKeys = session.FindAllObjects(privateKeyAttributes);
Console.WriteLine("Total private Key found : " + foundPrivateKeys.Count); // total = 2


Then to match current valid certificate... id add cka id for attribute


List<ObjectAttribute> privateKeyAttributes = new List<ObjectAttribute>();
privateKeyAttributes.Add(new ObjectAttribute(CKA.CKA_CLASS, CKO.CKO_PRIVATE_KEY));
privateKeyAttributes.Add(new ObjectAttribute(CKA.CKA_KEY_TYPE, CKK.CKK_RSA));
privateKeyAttributes.Add(new ObjectAttribute(CKA.CKA_ID, "11e333453512212")); // add this CKA_ID or CKA_LABEL

List<ObjectHandle> foundPrivateKeys = session.FindAllObjects(privateKeyAttributes);
Console.WriteLine("Total private Key found : " + foundPrivateKeys.Count); // total = 0


but when i count the private key , its get 0 ...already use cka or cka label.. but still dont get the private key match..

Please help if someone has experience this before .. Thank you


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