Real time clock correcting method in soft ware protecter

A software protection device and real-time clock technology, applied in computer security devices, digital data processing parts, instruments, etc., can solve problems such as limiting the practicability of software protection devices, long service life, and shortened service life

Active Publication Date: 2006-08-23
FEITIAN TECHNOLOGIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Currently there are dongles that use batteries. Although this kind of device has very good ease of use in software development, it must use batteries, which limits the practicability of this lock dongle to a certain extent.
The life of the battery is affected by many fac

Method used

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  • Real time clock correcting method in soft ware protecter

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Embodiment Construction

[0018] The content of the present invention will be described in detail below in conjunction with specific embodiments. The software protection device that can realize the present invention is hereinafter referred to as clock lock, such as figure 1 As shown in , when the clock lock is powered on, it continues to accumulate time from the time point stored in the lock, as in step 101; the time point in the device is updated every other time interval, and the new time point is stored in the device. As in step 102, in this step, the clock in the lock is continuously updated until the power is turned off, and the clock in the lock is maintained to run; the count in the time lock starts after the lock is powered on, counting up, And continuously write updated data into the storage area. As in step 103, when the host has access to the clock lock, the time lock receives the real-time time value from the host, as in step 104, the host sends the host system time into the time lock, and...

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PUM

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Abstract

This invention relates to a real time clock calibration method in a software protection device, which utilizes the clock frequencies of an internal processor of a software protection device to be added up to approach to an approximation of the exterior time and reads the real time clock of the host to calibrate the time clock in the device when using so as to get the calendar time in the device accurately.

Description

technical field [0001] The invention relates to the field of computer security, in particular to a real-time clock calibration method in a software protection device. technical background [0002] People pay more and more attention to software copyright protection, which leads to continuous innovation of software protection products, and continuous improvement of functions and security. Software products themselves have many demands on software protection products, some of which require time-limited functions, such as software rental, trial, installment payment and other modes, which require software protection products to have a timing function. [0003] Currently there are dongles that use batteries. Although this device has very good ease of use in terms of software development, batteries must be used, which limits the practicability of this lock dongle to a certain extent. The life of the battery is affected by many factors. High temperature or high humidity will accele...

Claims

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Application Information

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IPC IPC(8): G06F21/00G06F1/00G04G5/00
Inventor 陆舟于华章
Owner FEITIAN TECHNOLOGIES
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