Answered

1. Explain any encryption- decryption technique. Use it to encrypt and decrypt ‘INDIA IS MY
COUNTRY

Answer :

coding using R.S.A Algo:-
choose any two prime no.(2,5).  (p,q)
find module. M=p.qfind a=(p-1)*(q-1).
find key.   1<k<a;
assign natural no. for alphabet.
raise these no. to the power of key.
divide each no. by module.

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