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Generator, g for El Gamal Encryption

Posted on 2005-03-31
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Last Modified: 2009-07-29
Hi All,

Does anyone know how to find the generator,g that is used for El Gamal encryption?

Thank You
Garion
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Question by:yongeng
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7 Comments
 
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Expert Comment

by:GwynforWeb
ID: 13677616
you are joking of course.
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Author Comment

by:yongeng
ID: 13677687
>> you are joking of course.

Hi GwynforWeb,

No offense, but do I sound like I am joking???

If you have no wish to help, please do not pass sacarstic remarks.

Thank You
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LVL 31

Expert Comment

by:GwynforWeb
ID: 13678007
Your question suggest you want to determine the generator of a coded message and hence decode a message. We do not crack cyphers unless they are fun challenges.
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LVL 31

Accepted Solution

by:
GwynforWeb earned 1000 total points
ID: 13678042
if you want to jsust encrypt something then look at thie

http://www.answers.com/topic/elgamal-encryption
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Author Comment

by:yongeng
ID: 13678523
>> Your question suggest you want to determine the generator of a coded message and hence decode a message. We do not crack cyphers unless they are fun challenges.

Hi GwynforWeb,

I think you think too deeply.

I just need to know in details how to generate the generator, g which is used in the encryption and not the decryption.

This is for my research. I have been searching the web for a detailed guide but could not find any. All I could find are similar to the link that you have provided.

And FYI, EL Gamel encrypted cannot be decrypted if the encrypted was done using a strong prime number. (maybe you already know)

And if I really need to decrypt something, there is no need for me to do it myself. There are loads of ready made program available on the web for downloads.


No offense intended and thanks anyway for the link.
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LVL 31

Assisted Solution

by:GwynforWeb
GwynforWeb earned 1000 total points
ID: 13685353
The link says the two most popular types of groups used in ElGamal are subgroups of Zp and groups defined over certain elliptic curves and also gives very explicit instructions on how to genarate an appropriate genertaor for Zp. What are you looking for? I can give further detail but I am not sure what you want.
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Author Comment

by:yongeng
ID: 13704628
Thanxs GwynforWeb for help..... i manage to find what i need.....
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