METHOD FOR PROCESSING ADMISSION STATEMENT

摘要

A kind of method, it is arranged to solve a safety problem generation/transfer payment approval request message in the method for checking and approving request message by one one payment of POS (point of sakes system) terminals transfer of enabling for handling a message, including the card information encrypted by a card reader module and a host is enable to decrypt encrypting card information. One card terminal encrypts customer payment tool information by using an encryption key (3330). Card terminal generates payment and checks and approves request message, and means of payment information and index information including encryption are used to confirm the decruption key for being required the means of payment information for decrypting encryption, transmit the message to a primary server (3345). Encryption key is formed by it includes at least one of following encryption key, its means of payment encryption means of payment information reading from a symmetry cipher key mode, encryption key, it encrypts reading matter means of payment information, encryption key in a public keys mode, it is encrypted in the reading matter means of payment information in an electron shell key mode, and encryption key, reading matter means of payment information is encrypted in a key switch mode.