code: func (handle *ContextHandle) GetAttributeValue(session mPkcs11.SessionHandle, objectHandle mPkcs11.ObjectHandle, attrs []*mPkcs11.Attribute) ([]*mPkcs11.Attribute, error) {
  
  	handle.lock.RLock()
  	defer handle.lock.RUnlock()
  
  	return handle.ctx.GetAttributeValue(session, objectHandle, attrs)
  }
docs: // GetAttributeValue obtains the value of one or more object attributes.