ArcFour Decrypt?

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urbanze
Posts: 301
Joined: Sat Jun 10, 2017 9:55 pm
Location: Brazil

ArcFour Decrypt?

Postby urbanze » Wed Sep 27, 2017 3:42 pm

I working with RC4 (Arc4) from MbedTLS. I had sucessful to encrypt, but not to decrypt. I doesnt find function to decrypt. Where is it? How can I decrypt?

Image: code used to encrypt, and showing functions from mbed. (Where is decrypt function?)
Image

WiFive
Posts: 3529
Joined: Tue Dec 01, 2015 7:35 am

Re: ArcFour Decrypt?

Postby WiFive » Wed Sep 27, 2017 7:38 pm

https://en.m.wikipedia.org/wiki/RC4#Description
decryption is performed the same way

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urbanze
Posts: 301
Joined: Sat Jun 10, 2017 9:55 pm
Location: Brazil

Re: ArcFour Decrypt?

Postby urbanze » Wed Sep 27, 2017 8:33 pm

WiFive wrote:https://en.m.wikipedia.org/wiki/RC4#Description
decryption is performed the same way
I tested the simple one, got the encrypted phrase and threw it in the input, to see if it returned the original message in the output. He encrypted again D:

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