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Rc4 decryption

Discussion on Rc4 decryption within the General Coding forum part of the Coders Den category.

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Old   #1

 
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Rc4 decryption

Hallo

Bin auf RC4 Verschlüsselung gestoßen.

Wollte mal nachforschen, wie schwer diese zu cracken ist.
Wer damit schon Erfahrung hat, bitte um Einstiegshilfe,
Wo soll ich anfagen?
Überhaupt möglich zu cracken ohne key?
Key rausfinden?



Danke
uragan is offline  
Old 10/21/2012, 17:46   #2
 
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(A)RC4 gilt derzeit noch als sicher, ist also ohne Schlüssel nicht zu knacken, solange bei der Verschlüsselung ein paar Sachen beachtet wurden (kein zu kurzer key, garbage-header..).

Alles was du darüber wissen musst, um es zu implementieren oder zu knacken, steht auf Wikipedia. RC4 ist relativ Simpel, aber dennoch mathematisch-kryptografisch stark genug, um bei entsprechender Keylength auch gegen Terrahertzcomputer lange genug standzuhalten.
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Old 10/22/2012, 00:54   #3
 
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Simple ^^



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NoCheаtImPGM is offline  
Old 10/22/2012, 04:06   #4

 
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NoCheаtImPGM you checked it?

encrypt or decrypt dont work fine
encrypt "test"
decrypted get "ûêst"
uragan is offline  
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