rsa.cpp


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#include <cassert>
#include "numalgo.h"
#include "rsa.h"

Bigint encrypt(const PublicKey &pubkey,Bigint msg){
	assert(msg>1&&msg<pubkey.mod);
	return expmod(msg,pubkey.exp,pubkey.mod);
}

Bigint decrypt(const PrivateKey &privkey,Bigint encr){
	return expmod(encr,privkey.pexp,privkey.pub.mod);
}