METHOD, APPARATUS AND SYSTEM FOR SECURING CREDIT CARD TRANSACTIONS

摘要

An apparatus for securing credit card transactions is provided, the apparatus includes: a randomizing module (22) for providing a random number input; an encryption algorithm stored in the apparatus (24) for encrypting input data, the input including the random number and a constant number specific to a given credit card; a display device (32); a processing module (30) for processing the encryption algorithm and the input data to produce a verification number output. The verification number is decrypted and tested by an authorization computer to determine whether a given credit card transaction is to be authorized.