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Old 2010-04-01, 10:18   #1
Merfighters
 
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Mar 2010
On front of my laptop

7·17 Posts
Default My new discovery!!

Decrypt that RSA encrypted sentence to find out!

Encrypted sentence: 516706041301498569139808807078772714750649530964326734

N: 653465099972074208154022739130081051703785966122945327
E: 6725175846738058345386447704209495270349

10~35: A~Z
36: ,
37: .
38: ?
39~48: 0~9
49: !
99: (space)
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Old 2010-04-01, 10:50   #2
Merfighters
 
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Default Whoops!

Someone please move this thread to Lounge?
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Old 2010-04-01, 11:02   #3
Raman
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"Mr. Tuch"
Dec 2007
Chennai, India

23518 Posts
Default

This is a good puzzle
102527182199152424214949

APRIL FOOL!!

N = p.q
p = 751567152453117379356088079
q = 869470010549506074668255713

phi = (p-1)(q-1)
D = E-1 (mod phi)
such that E.D = 1 (mod phi)

x = yD (mod N)
y = xE (mod N)

where x is the plain text
y is the cipher text

Good work man!! Where did you get up those all of your keys from,
in order to generate that up only, thus?
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Old 2010-04-07, 11:46   #4
Merfighters
 
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Quote:
Originally Posted by Raman View Post
Good work man!! Where did you get up those all of your keys from,
in order to generate that up only, thus?
1. I used my own program to generate numbers.
2. I entered it to Dario Alpern's ECM applet to find a prime.
3. And I used Dario Alpern's another applet to do the rest.
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