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CRC32, String-encryption/-decryption, File-encryption/decryption, Passwords, Filewiping

by Joost Rongen (4 Submissions)
Category: Miscellaneous
Compatability: Visual Basic 3.0
Difficulty: Intermediate
Date Added: Wed 3rd February 2021
Rating: (4 Votes)

This demo-project shows you how to use my C_Crypt.dll, whitch offers:
1. VERY FAST CRC-calculation on strings and files;
2. VERY STRONG encryption/decryption for strings and files;
3. Secure filewiping
(Normal = overwrite every byte with &H00 then kill the file)
(Governmentwipe = overwrite every byte with &HFF, next run with &H00 and third run at random. Then kill the file)
4. Flexible password generation
In case of an unexpected error, the component writes a detailed logfile, C_Crypt.log.
You can download my ActiveX Dll from ftp://ftp.confite.nl/pub/
and you are free to use it in your projects.
(Source-code available)

Inputs
See screenshot
Assumes
download C_Crypt.zip (133 KB) from ftp://ftp.confite.nl/pub/ Register it to your system and make sure the demo-project has set a reference to it. (see reference.jpg)
Code Returns
See screenshot

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