Message authentication code based on error correcting code

Claimed is a timer message authentication code processing message of the information and a symbol and method. The method comprises the following steps: Selecting one of multiple element, wherein multiple element is composed to form the data one of message disposed end of the coding rate composed of; The code to error correction code to the data one end of the code: The key to determine one of the selecting said multiple element; And and symbols value of the selecting element.