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  • 0 posts edited
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  • 13 votes cast
Dec
12
comment Definition of Textbook RSA
Thank you Mike.
Dec
12
comment Definition of Textbook RSA
Thank you PulpSpy.
Dec
12
accepted Definition of Textbook RSA
Dec
12
asked Definition of Textbook RSA
Nov
30
accepted ElGamal message signatures retrieving the secret value x
Nov
29
awarded  Disciplined
Nov
29
accepted How can one show that an ElGamal-like signature verification scheme is valid?
Nov
28
comment ElGamal message signatures retrieving the secret value x
From an old exam question. Studying for finals
Nov
26
asked How can one show that an ElGamal-like signature verification scheme is valid?
Nov
26
asked ElGamal message signatures retrieving the secret value x
Nov
16
awarded  Editor
Nov
15
comment Random Coin Flip using ElGamal and a Trusted Party
Wow, thanks. That makes perfect sense. What a beautiful answer.
Nov
15
accepted Random Coin Flip using ElGamal and a Trusted Party
Nov
15
comment Random Coin Flip using ElGamal and a Trusted Party
Oh right, so my comment is incorrect. Does the same sort of principle stand that if b = 0 then m = 1 and if b = 1, then m = g. If B knows that information, how can he use it to bias the value of the coin?
Nov
15
comment Random Coin Flip using ElGamal and a Trusted Party
Yeah, I think I have it figured out. Thanks for the help. g^b can be 1 or g. If it's 1, then A chose 0, if it's g, then A chose 1.
Nov
15
asked Random Coin Flip using ElGamal and a Trusted Party
Nov
15
awarded  Supporter
Nov
15
accepted For public-key encryption, why does COA resistance imply CPA resistance?
Nov
14
comment For public-key encryption, why does COA resistance imply CPA resistance?
I agree, can someone please explain the logic behind this?
Nov
13
comment For public-key encryption, why does COA resistance imply CPA resistance?
The attacker does not know the key, the attacker has a set of ciphertexts and the set of corresponding plaintexts.