Method supporting offline generation and cancel-after-verification of electronic sales order
A sales order and electronic technology, applied in the direction of instruments, etc., can solve the problems of poor security and transaction delay, and achieve the effect of simple operation, saving paper, and avoiding poor transaction security
Inactive Publication Date: 2016-02-03
北京互帮国际技术有限公司
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[0007] The invention provides a method for offline generation and write-off of an electronic sales order, which aims to solve the problems of poor security and transaction delays caused by relying on online networking in the prior art
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[0027] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0028] Such as figure 1 Shown, a kind of retail business POS machine printing signal is restored to the method for graphic file, it is characterized in that, comprises the following steps:
[0029] 101. In a department store in Beijing, consumer A goes to a clothing counter, chooses a 500-yuan coat, and asks to check out. The counter attendant enters the transaction amount of ￥500 through a sales mobile terminal;
[0030] 102. The mobile terminal will send the transaction amount information, together with the merchant service number set by default: 8-byte binary number 0D2F9C7B00352A0F, device identification number: 8-byte binary number 0A2D9C7B00382A1F, transaction order number: 3-byte binary number 790035, merchant receipt Account number: fushicltem.com, transaction time: 2014 / 07 / 08 11:30:25, transaction confirmation code: 3-byte binary nu...
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The invention discloses a method supporting offline generation and cancel-after-verification of an electronic sales order. The method is characterized by comprising the following steps: 101, a customer selects commodities needed to be purchased and paid or accepts labor services provided by a merchant, and the merchant inputs current transaction amount information in a mobile terminal for sales through a keyboard; and 102, an information processor of the mobile terminal transmits the current transaction amount information and other transaction information to an encryption / decryption chip of the mobile terminal for encryption, wherein an encryption algorithm includes an ECC256bit algorithm, a 3DES symmetric password algorithm, an MD5 message digest algorithm, a Base64 encoding algorithm, an RSA1024bit asymmetric password algorithm, an MAC message digest algorithm, a Hash function algorithm with a secret key, a hardware true random number method and a URLEncode / URLDecode algorithm, and the encryption / decryption chip stores a non-encrypted transaction confirmation identifier therein as a check standard of transaction success during cancel after verification. The method solves the problems of poor security, transaction delay caused by dependence on online networking and the like, and is high in security and stable.
Description
technical field [0001] The invention relates to information application electronization and electronic information security technology, in particular to an off-line generation and write-off method supporting electronic sales slips. Background technique [0002] In today's society, most of the guide vouchers that guide consumers to pay for shopping in commercial transactions are paper sales slips, which need to be filled out and issued manually by the salesperson of the merchant. In order to optimize consumer shopping experience, ensure transaction security and improve sales efficiency, some merchants have begun to use electronic sales slips to guide consumers to pay in commercial transactions. The carrier medium of electronic sales slips is an IC card. The online networked electronic sales terminal held by the salesperson automatically writes the transaction payment guide information into the electronic sales order card, and at the same time uploads the transaction informati...
Claims
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Inventor 高鹏刘广群
Owner 北京互帮国际技术有限公司