| 摘要 |
<p>A message transmission method and system, and a data card are disclosed in the present invention, wherein the method comprises that: a sender scrambles original messages in a predetermined scrambling manner, and sends the scrambled messages to a receiver; the receiver receives the scrambled messages, and descrambles the scrambled messages in a predetermined descrambling manner to obtain the original messages, wherein the predetermined scrambling manner corresponds to the predetermined descrambling manner. In manner that the contents to be transmitted are scrambled and the scrambled contents are sent to a receiver, and the transmitted contents are descrambled in a scrambling manner used by the sender and then can be restored by the receiver, the present invention can avoid the transmitted contents from being monitored, as well as avoid the key from being stolen. Therefore, the security of the transmitted contents effectively is improved.</p> |
