# Cryptography : RSA Problem - Public and Private Keys

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Fill in the blank choose public or private.

Alice chooses two large prime numbers p and q. She finds their product m = pq, which is _____.

She also finds n= (p-1)(q-1) which is _____.

She chooses e which is _____and finds d=_____.

The number e is public or private. and the number d is public or private.

When Bob wants to send a message x (a number representing a block of letters) to Alice, he calculates y= ________ and sends it to Alice.

Alice receives y and finds the plain text x by computing:__________.

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##### Solution Summary

An RSA problem is solved. Public and private keys are identified.

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Fill in the blank choose public or private. Alice chooses two large prime numbers p and q. She finds their product m = pq, ...

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