RuoYi | authority management system based on SpringBoot2.1 | Object-Relational Mapping library
kandi X-RAY | RuoYi Summary
kandi X-RAY | RuoYi Summary
The authority management system based on SpringBoot2.1 is easy to read and understand, and the interface is simple and beautiful. The core technology uses Spring, MyBatis, and Shiro without any other heavy dependencies. It can be used directly
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Top functions reviewed by kandi - BETA
- Convert string to numeric format version
- Login with the given username and password .
- Validate sessions
- Get import data .
- get file name
- Imports the user .
- Handle log .
- Returns the Chinese string .
- Set shiro filter factory bean .
- bean factory bean .
RuoYi Key Features
RuoYi Examples and Code Snippets
Community Discussions
Trending Discussions on RuoYi
QUESTION
I am a Chinese software developer, I am now implementing such a function, using Android client to digitally sign PDF, my implementation is like this
- Create a blank signature on the server
- Send PDF hash with blank signature to Android client, and Android client signs hash
- Use makesignature. Signdeferred () to merge the signature content in the server Now I encounter such a problem that the PDF after signing cannot be verified by the PDF reader. It shows that the PDF file has been tampered, It should be noted that I use sm3withsm2 algorithm. Adobe reader can't verify it. We have our own reader
https://drive.google.com/file/d/127nVvJ0qtSdG53jM0_GUP-WORYrQ5TBo/view?usp=sharing Now I add the PDF file address, who can help me analyze the problem
...ANSWER
Answered 2021-May-06 at 12:34When calculating the hash of the to-be-signed attributes, you use the then current time as value of the signing time attribute:
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install RuoYi
You can use RuoYi like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the RuoYi component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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