Look through the Decryption column in the results. Since you do not know how many bits I used for the key length, leave it at 8, and click Start H. Click Symmetric Encryption (Modern) > RC4 G. In the menu at the top of Cryptool, click Analysis F. Navigate to the Cry-RC4-text.hex file you downloaded and click Open. In the file type drop-down at the bottom of the window, click the down arrow and change the selection from text file (*.txt) to Binary file (*.hex) D. You will use Cryptool to crack the security and retrieve the encrypted text A. ![]() This is a message I encrypted using RC4 encryption – the same encryption algorithm used for WEP security in WiFi systems. Download the hex file Cry-RC4-test.hex from this lab. ![]() Download and install CrypTool Version 1 (A zipped file with the installer is included with this lab or find download it from the Cryptool site.
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