CK_ATTRIBUTE[] signerKeyAttr = (CK_ATTRIBUTE[]) (new CK_ATTRIBUTE()).toArray(9);
                signerKeyAttr[0].set(Pkcs11Constants.CKA_CLASS,Pkcs11Constants.CKO_PUBLIC_KEY);
                signerKeyAttr[1].set(Pkcs11Constants.CKA_LABEL,"signer public key");
                signerKeyAttr[2].set(Pkcs11Constants.CKA_KEY_TYPE,RtPkcs11Constants.CKK_GOSTR3410);
                signerKeyAttr[3].set(Pkcs11Constants.CKA_TOKEN,true);
                signerKeyAttr[4].set(Pkcs11Constants.CKA_MODIFIABLE,true);
                signerKeyAttr[5].set(Pkcs11Constants.CKA_PRIVATE, false);
                signerKeyAttr[6].set(Pkcs11Constants.CKA_VALUE,params[0].pubkeydata);
                signerKeyAttr[7].set(Pkcs11Constants.CKA_VERIFY,true);
                signerKeyAttr[8].set(RtPkcs11Constants.CKA_GOSTR3410_PARAMS, RtPkcs11Constants.GOST3410_PARAMS_OID);
                //LogF("pubkey len:"+params[0].pubkeydata.length);


                int rv = Pkcs11Constants.CKR_OK;
                try {
                    rv = RtPkcs11Library.getInstance().C_CreateObject(
                            selectedToken.hSession,
                            signerKeyAttr,
                            signerKeyAttr.length,
                            hSignerKey);
                } catch (Exception e) {
                    LogF(e.getMessage());
                }