How many effective unique keys does the playfair cipher have

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Reference no: EM131370172

a. how man ypossible keys does the playfair cipher have?ignore the fact tha some keys might produce identical encription result.express your ansewr as an pproximate power of 2.

b,now take into account the fact that some playefer keys produce the same encryption result. how many effective unique keys does the playfair cipher have?

Reference no: EM131370172

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