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sir, i want to know what exactly is the problem in the...

<< Back to: Cryptography FAQ (01/10: Overview)

Question by pal
Submitted on 10/1/2004
Related FAQ: Cryptography FAQ (01/10: Overview)
Rating: Not yet rated Rate this question: Vote
sir, i want to know what exactly is the problem in the following syntax:
public key =(a ,b)
private key =(c ,d)
where b & d are the prime numbers
and a & c are same
we can calculate a or c = b*d
When the sender encrypts the message he use the following algoritham
C = P^b mod a
where C is a cipher text
and P is a plane text
When receiver decrypts that message he use the following algoritham
P = C^d mod a
In this way the receiver can get the plain text from sender




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