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Give a suitable algorithm of non-repudiation in designing e-cash based system.
The algorithm of non-repudiation in designing e-cash based system is as illustrated below:
Key generation within RSA:
1. Choose p, q where p and q are both primary and p≠q (private, selected)
2. Compute n = pXq
3. Compute ?(n)=(p-1)(q-1), here n is public calculated and ?(n) is Euler totient function
4. Choose integer e, along with gcd (?(n),e)=1; l 5. Compute d where d = e-1mod?(n) and d is private, computed 6. Public key KU={e,n} 7. Private key KR={d,n} Encryption into RSA: Plaintext M where M Ciphertext C where C=Me(mod n) Decryption in RSA: Ciphertext C Plaintext M where M = Cd(mod n)
5. Compute d where d = e-1mod?(n) and d is private, computed
6. Public key KU={e,n}
7. Private key KR={d,n}
Encryption into RSA:
Input Output Techniques: o Interrupt driven o Direct Memory Access (DMA) o Programmed Programmed I/O CPU has control over I/O directly Read/write
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