context.setCurrentSecret(originalKey);
}
byte[] secret = originalKey.getEncoded();
DerivedKeyToken dkt = new DerivedKeyTokenImpl(offset, length, secret);
//get the signing key for signature from derivedkeyToken
signingKey = dkt.generateSymmetricKey(jceAlgo);
Node[] nxtSiblingContainer = new Node[1];
keyInfo = prepareForSymmetricKeySignature(context, keyBinding, originalKey, signaturePolicy, nxtSiblingContainer, null, dkt);
nextSibling = nxtSiblingContainer[0];