Assumes that the data to be transmitted by the machine A machine B, then from B to decide on a machine with a random key, we call privatekey, throughout this key only to stay in B do not send out the machine and then by another key calculate this privatekey We call publickey. publickey feature of this inversion is almost impossible to calculate privatekey then threw the publickey A machine via a network. A machine will use this information publickey coding, the encoded data got to use privatekey A then only solution was to open the machine will encoded data transmitted over the network B, B then privatekey will decode the data point, if a third party eavesdropping information, he can only get passed to A, B publickey, and A with This publickey encoded data is not privatekey, a third party can not decode so this method can indeed prevent a third party eavesdropping

rsa.c

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