I've been asked if RSA encryption is feasible on a PIC. As it was
explained to me, the calculation required is

M = ( E^ (P * Q) ) mod B

where M, E and B are 1024-bit strings, P and Q are 512-bit prime
numbers, (not necessary for PIC to generate these private keys)

I gave a very hesistant "maybe", mainly because of the scale and
processing time, not the maths itself. Has anyone any experience
with such a large calculation ?

TIA

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