Net.Pkcs11Interop.LowLevelAPI40.Pkcs11.C_GenerateKey C# (CSharp) Метод

        public CKR C_GenerateKey(uint session, ref CK_MECHANISM mechanism, CK_ATTRIBUTE[] template, uint count, ref uint key)
        {
            if (this._disposed)
                throw new ObjectDisposedException(this.GetType().FullName);

            uint rv = _delegates.C_GenerateKey(session, ref mechanism, template, count, ref key);
            return (CKR)rv;
        }

        /// <summary>
        /// Generates symetric key.
        /// </summary>
        /// <param name='pkcs11'>Initialized PKCS11 wrapper</param>
        /// <param name='session'>Read-write session with user logged in</param>
        /// <param name='keyId'>Output parameter for key object handle</param>
        /// <returns>Return value of C_GenerateKey</returns>
        public static CKR GenerateKey(Pkcs11 pkcs11, uint session, ref uint keyId)
        {
            CKR rv = CKR.CKR_OK;

            // Prepare attribute template of new key
            CK_ATTRIBUTE[] template = new CK_ATTRIBUTE[6];
            template[0] = CkaUtils.CreateAttribute(CKA.CKA_CLASS, CKO.CKO_SECRET_KEY);
            template[1] = CkaUtils.CreateAttribute(CKA.CKA_KEY_TYPE, CKK.CKK_DES3);
            template[2] = CkaUtils.CreateAttribute(CKA.CKA_ENCRYPT, true);
            template[3] = CkaUtils.CreateAttribute(CKA.CKA_DECRYPT, true);
            template[4] = CkaUtils.CreateAttribute(CKA.CKA_DERIVE, true);
            template[5] = CkaUtils.CreateAttribute(CKA.CKA_EXTRACTABLE, true);
            
            // Specify key generation mechanism (needs no parameter => no unamanaged memory is needed)
            CK_MECHANISM mechanism = CkmUtils.CreateMechanism(CKM.CKM_DES3_KEY_GEN);
            
            // Generate key
            rv = pkcs11.C_GenerateKey(session, ref mechanism, template, Convert.ToUInt32(template.Length), ref keyId);

            // In LowLevelAPI we have to free unmanaged memory taken by attributes
            for (int i = 0; i < template.Length; i++)
            {
                UnmanagedMemory.Free(ref template[i].value);
                template[i].valueLen = 0;
            }

            return rv;
        }