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I understand the RSA algorithm and have all the preliminary data structures/algorithms down, but I don't quite understand how you can use it with multiple recipients à la PGP. Does anyone know how to do this?
5 replies to this topic
#1
Posted 22 March 2009 - 06:26 AM
FakeRobotGymnast
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#2
Posted 23 March 2009 - 06:19 AM
WingedPanther
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A spammer's worst nightmare
I'm not clear on what you mean. Are you trying to encrypt a file with your private key, or your recipients' public keys, or something else?
#3
Posted 23 March 2009 - 11:46 AM
FakeRobotGymnast
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I have my public key, my private key, and all the recipient's public keys. How would I create a ciphered message with which all the recipients could decrypt?
#4
Posted 23 March 2009 - 12:28 PM
WingedPanther
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A spammer's worst nightmare
You would have to use your private key to encrypt it, and provide them with your public key. Generally, however, the idea is you would have to send each a separately encrypted version of the file using their public keys. Not convenient, but pretty secure.
#5
Guest_h4x_*
Posted 23 August 2009 - 09:07 AM
Guest_h4x_*
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why encipher message if ALL should be allowed to view it?
you mean situation like that: deliver message, deliver key.
why bother? you could just give private heys to those allowet to read it.
you mean situation like that: deliver message, deliver key.
why bother? you could just give private heys to those allowet to read it.
#6
Posted 27 August 2009 - 06:26 PM
dargueta
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Writes binary right handed and hex left handed
If you give them your private key then they can read anything that anyone sends you.
sudo rm -rf /
