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https://github.com/kicksecure/timesanitycheck
Checks if the system clock is sane between build timestamp and expiration date - useful in context of secure network time synchronization.
https://github.com/kicksecure/timesanitycheck
network-time-synchronization sanity-check system-clock
Last synced: about 2 months ago
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Checks if the system clock is sane between build timestamp and expiration date - useful in context of secure network time synchronization.
- Host: GitHub
- URL: https://github.com/kicksecure/timesanitycheck
- Owner: Kicksecure
- License: other
- Created: 2014-05-31T16:18:20.000Z (over 10 years ago)
- Default Branch: master
- Last Pushed: 2024-11-06T16:55:57.000Z (about 2 months ago)
- Last Synced: 2024-11-06T17:47:47.621Z (about 2 months ago)
- Topics: network-time-synchronization, sanity-check, system-clock
- Language: Shell
- Homepage: https://www.kicksecure.com/wiki/Impressum
- Size: 476 KB
- Stars: 2
- Watchers: 5
- Forks: 2
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: changelog.upstream
- Contributing: CONTRIBUTING.md
- License: COPYING
Awesome Lists containing this project
README
# Checks if the system clock is sane between build timestamp and expiration date #
Reports, if clock is sane and not slower than build timestamp or faster than
expiration date (configurable, default currently set to 17 MAY 2033 10:00:00).
This should catch situations, where the host's clock is too much off (CMOS
battery defect, user mistakenly set a very wrong date, etc.), resulting in
network time synchronization tools (such as sdwdate) no longer being able to
correct the clock; catch eventual bigger bugs in network time synchronization
tools; and some types of attacks on network time synchronization.
## How to install `timesanitycheck` using apt-get ##
1\. Download the APT Signing Key.
```
wget https://www.kicksecure.com/keys/derivative.asc
```
Users can [check the Signing Key](https://www.kicksecure.com/wiki/Signing_Key) for better security.
2\. Add the APT Signing Key.
```
sudo cp ~/derivative.asc /usr/share/keyrings/derivative.asc
```
3\. Add the derivative repository.
```
echo "deb [signed-by=/usr/share/keyrings/derivative.asc] https://deb.kicksecure.com bookworm main contrib non-free" | sudo tee /etc/apt/sources.list.d/derivative.list
```
4\. Update your package lists.
```
sudo apt-get update
```
5\. Install `timesanitycheck`.
```
sudo apt-get install timesanitycheck
```
## How to Build deb Package from Source Code ##
Can be build using standard Debian package build tools such as:
```
dpkg-buildpackage -b
```
See instructions.
NOTE: Replace `generic-package` with the actual name of this package `timesanitycheck`.
* **A)** [easy](https://www.kicksecure.com/wiki/Dev/Build_Documentation/generic-package/easy), _OR_
* **B)** [including verifying software signatures](https://www.kicksecure.com/wiki/Dev/Build_Documentation/generic-package)
## Contact ##
* [Free Forum Support](https://forums.kicksecure.com)
* [Premium Support](https://www.kicksecure.com/wiki/Premium_Support)
## Donate ##
`timesanitycheck` requires [donations](https://www.kicksecure.com/wiki/Donate) to stay alive!