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How to create RInteger for RSA
To create CRSAPublicKey object from a specified modulus(n) and encryption exponent(e), we need to convert modulus and encryption exponent to RInteger. RInteger is a TInteger derived class allowing the construction of variable length big integers.
RInteger n = RInteger::NewL(exp); //exp is a descriptor containing encryption exponent(e)
RInteger e = RInteger::NewL(mod); //mod is a descriptor containing modulus(n)
CRSAPublicKey* publicKey = CRSAPublicKey::NewL(e, n); // create RSA PublicKey