openssl DES3 in scripting Post: 302415674

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Top Forums Shell Programming and Scripting openssl DES3 in scripting Post 302415674 by kazikamuntu on Saturday 24th of April 2010 07:17:23 AM

04-24-2010

Registered User

openssl DES3 in scripting

hi,
I have this script in python

Code:

#!/usr/bin/env python
from Crypto.Cipher import DES3

def desEncrypt(key, data): 
    d = des4me(key) 
    return d.encrypt(data)

def des4me(key): 
    return DES3.new(key, DES3.MODE_ECB)

A='\x00\x11\x22\x33\xA8\x44\x55\x66\x92\x77\x88\xAC\x99\x94\x88\x11'
B='\x0c\xef\x83\x44\x34\x00\x00\xca'
print desEncrypt(A,B)

The result is in hex d2b3 1881 f6fc d951
And i want to to make the same output with openssl in a bash shell
I've tried with

Code:

A=$(echo -ne "\x00\x11\x22\x33\xA8\x44\x55\x66\x92\x77\x88\xAC\x99\x94\x88\x11")
B=$(echo -ne "\x0c\xef\x83\x44\x34\x00\x00\xca")
echo -ne "$A"|openssl des-ede3 -nosalt -nopad -pass pass:$B|xxd

but the result is not the same.
I think that des-ede3 is the correct translation of DES3.MODE_ECB.
I don't understand my error..
Please help me (isn't a homework!!)
Best regards

---------- Post updated at 06:04 AM ---------- Previous update was at 04:45 AM ----------

it's a base problem or the mode is incorrect? I tried for several hours...but no solution.Anyone can help me?

---------- Post updated at 03:22 PM ---------- Previous update was at 06:04 AM ----------

anyone can help me?

---------- Post updated 04-24-10 at 06:17 AM ---------- Previous update was 04-23-10 at 03:22 PM ----------

I've tried also with this:

Code:

echo -e -n "\x0c\xef\x83\x44\x34\x00\x00\xca"|openssl des-ede3 -nosalt -nopad -pass pass:"\x00\x11\x22\x33\xA8\x44\x55\x66\x92\x77\x88\xAC\x99\x94\x88\x11"|xxd -p

But the result is wrong 6559f7f970062198....

Last edited by kazikamuntu; 04-23-2010 at 07:30 AM..

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