[ pycrypto-Bugs-872402 ] How to hide Encryption key

Bugs item #872402, was opened at 2004-01-07 13:53
Message generated for change (Comment added) made by ulyssesh
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Category: None
Group: None
Status: Closed
Resolution: Invalid
Priority: 5
Submitted By: ulysses hung (ulyssesh)
Assigned to: Nobody/Anonymous (nobody)
Summary: How to hide  Encryption key

Initial Comment:
Hi,

I want to hide a file content using DES Algorithm.
The file can downloaded by any user. but user can't
read it's content. 
Python application can't hide source code.
If I use ROTOR,DEC ,I must specify a key.
user can read the key from source code.
So encryption is useless. 
Can you tell me how can I do .Thanks.

Ulysses

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>Comment By: ulysses hung (ulyssesh)
Date: 2004-01-07 16:26

Message:
Logged In: YES 
user_id=822714

Sorry. What's mean iButton or keyring.
you know if I put the key in some file.
User can find the file position from the source code.
It's very contradiction.
The application will be distribute to all user.
Can you teach me a good solution? Thanks.

Ulysses

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Comment By: A.M. Kuchling (akuchling)
Date: 2004-01-07 15:50

Message:
Logged In: YES 
user_id=11375

Don't put the key in the source code; have the user enter
it, or carry an iButton or keyring, or something.  Key
management is always the hardest part of encryption-related
tasks.


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