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The RSA algorithm is applied for the encryption of a 2 5 6 x 2 5 6 8 - bit gray - scale image on
The RSA algorithm is applied for the encryption of a x bit grayscale image on a pixelbypixel basis. Given that p and q are used in the RSA algorithm.
a How should n be chosen for the RSA algorithm in this application? What are the
implications when n is set to be too large and too small?
b Develop a set of public key e n and private key d n Show your step of derivation.
c Encrypt and decrypt the following three pixel values using the public key developed in
b What observations can be found from the results?
d What is the minimum size in bytes of the image after encryption?
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