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Apr 29th, 2005, 10:43 AM
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#1 |
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rsa encrption decrption algorithm
Hi,
Can anyone design an encryption decyption algorithm for rsa encrption in c or java language.The algorithm is as follows. 2.1 Algorithms and examples Key generation choose two primes, p and q −! p = 17 q = 11 (3) generate the modulus, n −! n = p ·q = 17 ·11 = 187 (4) generate r −! r = (p−1)(q−1) = 16 ·10 = 160 (5) choose a prime as encryption key, (6) e r−1,gcd(r,n) = 1 −! e = 7 calculate d −! d = e−1mod r (7) 7−1mod 160 = 23 Encryption letm = 88 (8) c = me mod n −! 1237 mod 187 = 11 (9) Decryption givenc = 11 (10) m = cd mod n −! 1123 mod 187 = 88 (11) Can anyone do this program for me.plzzzzzzzz thanks in advance. looking for ur good reply. |
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Apr 29th, 2005, 10:58 AM
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#2 |
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Professional Programmer
Join Date: Sep 2004
Location: Hell if I know most of the time
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Modify your screenname to: justtryitforcryingoutloud. Then post problems you're having.
__________________
Amateurs built the ark Professionals built the Titanic |
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May 4th, 2005, 9:16 AM
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#3 |
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Professional Programmer
Join Date: Mar 2005
Location: Glasgow, Scotland
Posts: 317
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Yeah, I mean you've practically written it anyway.
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