Converting method for character string and method for forming and identifying intelligent net service card
A conversion method and string technology, applied in the business field, can solve the problem that text information cannot be stored, and achieve the effect of improving security
Inactive Publication Date: 2006-11-08
SHENZHEN TINNO WIRELESS TECH
View PDF0 Cites 4 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0005] The purpose of the present invention is to provide a kind of conversion method of character string, convert by adding an ASCII code value in the mode of every nibble of non-printable character string, generate printable character string, to solve prior art The problem that text information containing non-printable characters cannot be stored in the database
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0026] ASCII codes range from 0 to 127, which may include non-printable characters (such as spaces, newlines, etc.), and non-printable character strings cannot be stored in the database. For example, there is such a problem with the string encrypted by DES. The present invention provides a character string conversion method, specifically adding an ASCII code value to each half byte in the non-printable character string to generate a printable character string, and storing the printable character string in In the database; the ASCII code value is the starting point of a special closed interval in the ASCII code table, and the end point of the special closed interval is the starting point plus the ASCII code value of 15, and the ASCII code value in the special closed interval corresponds to The characters are all printable characters.
[0027] Due to the characteristics of the ASCII code table, the non-printable characters are scattered in the table, and some areas in the table...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
This invention relates to a conversion method for character strings and a generation and certification method for intelligent network service cards, in which, the conversion method includes that un-printed characters are converted to printed characters in the way of adding an ASCII code value on each half byte, the generation method includes: generating numbers of a service card and an original cipher, utilizing the algorithm of data ciphered standard to cipher the original cipher and convert the cipher result to generate a stored ciphered code to be stored in a database with the card number, the certification method includes: picking up card number and cipher from the service request information, ciphering the code by an algorithm of a data cipher standard and converting the ciphered result to generate a ciphered code to be stored , looking for the opposite code in the database in terms of the card number and comparing it with the stored code to see if they are the same, if so, the certification is successful, which introduces the DES ciphering into the generation and certification system of an intelligent card to increase its safety.
Description
technical field [0001] The invention relates to a character string conversion method and an intelligent network service card generation and authentication method, in particular to a character string conversion method for converting a non-printable character string into a printable character string and using DES (Data Encryption Standard, Data Encryption Standard) Encryption Algorithm Encryption Method for Intelligent Network Service Card Encrypting Service Password, and Service Authentication Method Based on the Generation Method for Intelligent Network Service Card. Background technique [0002] The intelligent network is a telephone network architecture that separates the business logic from the switching equipment, and does not need to redesign the switch while adding new services. Some services of the intelligent network are implemented based on service cards, such as prepaid card services, postpaid card services, and credit card services. Taking prepaid cards as an exam...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): G09C1/00H04L9/00
Inventor 裴莲
Owner SHENZHEN TINNO WIRELESS TECH