ASN1Reader reader = ASN1.getReader(requestValue);
reader.readStartSequence();
if(reader.hasNextElement() &&
reader.peekType() == TYPE_SYMMETRIC_KEY_ELEMENT)
{
requestSymmetricKey = reader.readOctetStringAsString();
}
if(reader.hasNextElement() &&
reader.peekType() == TYPE_INSTANCE_KEY_ID_ELEMENT)
{
instanceKeyID = reader.readOctetStringAsString();