Cipher input method for bank credit card

Abstract

The cipher inputting method for bank credit card includes the first step for the card holder to insert the main card in special card reader and for the card reader to send information requesting cipher input; and the second step for the card holder to insert the auxiliary card in the cipher identifier in the special card reader and for the card reader to compare the cipher information in the auxiliary card and that in the main card. Then, the special card reader judges whether to execute the next operation step based on the comparison result, that is, if the auxiliary card is legal with the same cipher as that in the main card, the operation will proceed; or else, the operation will stop. The present invention has the beneficial effects of accurate, quick and safe cipher input.

Description

technical field [0001] The invention relates to a password input method, in particular to a bank card password input method. Background technique [0002] In recent years, bank cards, as a new type of electronic currency, have the advantages of large amount of information storage, strong confidentiality and convenient use, and have been widely used in people's production and harvesting fields. Currently popular bank cards on the market can be divided into various types according to their functions: savings cards, debit cards, shopping cards and credit cards; according to their data recording methods, they can be divided into: magnetic stripe cards, contact IC Contact IC card (also known as radio frequency card) and other types. At present, credit card consumption has become a fashion, and the application of various bank cards will become more and more popular. For example, ATMs can be seen everywhere in urban and rural streets, which can provide people with 24-hour card wit...

AI Technical Summary

Problems solved by technology

[0003] However, the existing bank cards have the following disadvantages: generally, the bank card is preset with a password (the cardholder can modify the password according to his own situation), and when the cardholder uses the bank card, the bank card reading and writing device will Send the message "Please enter the password" to the cardholder, and the cardholder enters his own password on the small keyboard. If the input terminal password matches the preset password in the bank card, the read-write device will confirm that the cardholder has the right to Use the bank card to continue to perform the operation requested by the cardholder; if the input terminal password does not match the preset password of the bank card, the read-write device will confirm that the cardholder has no right to use the bank card and refuse to perform the operation

The above password operations have brought the following problems: For elderly cardholders, it is not easy to remember a long string of personalized passwords represented by numbers and letters. When using bank cards, they often forget what their passwords are. Consumption is a good thing, but it's causing problems for older consumers

In addition, it is extremely unsafe to enter your own password in public. When cardholders enter their own password on the small keyboard, it is easy for the criminals standing behind them to steal the password, causing unnecessary losses.

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