| 摘要 |
<p>A method of encoding a magnetic strip card and a card reader terminal there for validation of information during an electronic transaction is disclosed which involve generating a unique card key unrelated to any information recorded on the card. The card key is recorded in a secure data base along with other details including a PIN and also encrypted on the card. During a transaction the card key is used to encrypt certain transaction data which is transmitted to the secured data base in order to verify the transaction against the stored data.</p> |
