Category Archives: Tools
Using ImageMagick to reveal existence of hidden steganographic messages with DIY IM-simpleGUI tool
Tools used ImageMagick is a powerfull CLI tool for image processing. For different commands, see their www pages. The following commands are used in this blog: compare convert montage In addition ImageMagick contains image filters like Laplacian (IM, wikipedia), Sobel … Continue reading
Posted in Anvanced Tools, Audio and Video, DIY, Recommended Free Tools, Security Training, Awareness and Reports, Tests, Tips
Comments Off on Using ImageMagick to reveal existence of hidden steganographic messages with DIY IM-simpleGUI tool
Protecting your work by timestamping your file fingerprints
Are you sharing or producing photos, images, music, videos, programs, documents or anything else and you are concerned on how to proof that your work is yours? First of all, you need to be able to show that you really … Continue reading
Posted in Anvanced Tools, Forensics, Protection, Security Products and Solutions, Tips, Tools
Comments Off on Protecting your work by timestamping your file fingerprints
Toucan, portable utility for synching directories, creating backups and encrypting files
Toucan is part of PortableApps, a collection of portable applications. It contains a good set features for managing your backups and archives: synchronise backup encrypt The figure below shows one file to be encrypted. After encryption, the original file is … Continue reading
Posted in Basic Tools, Recommended Free Tools
Comments Off on Toucan, portable utility for synching directories, creating backups and encrypting files
FileVerifier++ and Karen’s Hasher, GUI Tools for fingerprinting your files with SHA-512
In an earlier blog, a GUI tool called WinMD5 was recommended for maintaining integrity of your files. However, hash calculation based on SHA-512 is more security nowadays. For example, if you need to proof to others, that you possessed a … Continue reading
Posted in Anvanced Tools, Forensics, Protection, Recommended Free Tools, Security Products and Solutions, Tips, Tools
Comments Off on FileVerifier++ and Karen’s Hasher, GUI Tools for fingerprinting your files with SHA-512
DIY Spectrometer, and notes on online Spectral Workbench
There exist several variations of DIY spectrometer by using CD or DVD as the main component (ie. generating the rainbow of colors by diffraction from the optical disk grooves). The output is a spectra, light intensity versus wavelength. In Wikipedia: … Continue reading
Posted in Android, Anvanced Tools, DIY, For Fun or Interest, Gadgets, Hobbies and Other Interests, Tests
Comments Off on DIY Spectrometer, and notes on online Spectral Workbench
Registax, Tool for enhancing an astro image from set of images
It is possible to improve your sky photos by using stacking tool like Registax. The input needed is a set of repetitive photos. For Canon cameras, there exist modification called CHDK with an intervalometer script, with which it is staightforward … Continue reading
Posted in Anvanced Tools, Audio and Video, For Fun or Interest, Hobbies and Other Interests, Recommended Free Tools
Comments Off on Registax, Tool for enhancing an astro image from set of images
Tools for Colors and Color names: “What Color”, SIHwheel, “Name That Color”
This blog is not about choosing the right color, but about identifying what color is being used. Some tools provide numeric RGB values, but there are some ways to get the nearby color name, as will be shown here. Getting … Continue reading
Posted in Anvanced Tools, Audio and Video, Recommended Free Tools, Tips
Comments Off on Tools for Colors and Color names: “What Color”, SIHwheel, “Name That Color”