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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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CyberChef: The Cyber Swiss Army Knife – a web app for encryption, encoding, compression and data analysis.

Posted by jpluimers on 2022/06/23

[Wayback/Archive.is] CyberChef:

a simple, intuitive web app for carrying out all manner of “cyber” operations within a web browser. These operations include simple encoding like XOR or Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more.

Source code at [Wayback/Archive.is] gchq/CyberChef: The Cyber Swiss Army Knife – a web app for encryption, encoding, compression and data analysis.

Via [Archive.is] Jilles🏳️‍🌈 on Twitter: “Hidden in plain sight. Rot13 cross word. Hidden Barcodes. Qr codes. Barely any InfoSec skill required. Still a hand full. Usually my to go place is: Cyberchef. I did a fun one for cyberklaas using ansi art.… “

Jilles also pointed to the solving part in [Archive.is] Jilles🏳️‍🌈 on Twitter: “See also, for solving: SCWF… “

The [Wayback/Archive.is] Solve Crypto with Force! needs to run without most script blockers, so best run it in an anonymous/private browser window.

Source code for SCWF is at [Wayback/Archive.is] DaWouw/SCWF: CTF tool for identifying, brute forcing and decoding encryption schemes in an automated way.

Screen shot of Cyberchef example “Perform AES decryption, extracting the IV from the beginning of the cipher stream” [Archive.is]:

Cyberchef AES example

Cyberchef AES example

–jeroen

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