I'm given a specific number (say n) to use "as an encryption key," and I have to find the decryption key.
Is n the same as the encryption exponent?
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So is the encryption key the same as the public key exponent e? The number I'm supposed to use as an encryption key is even, and it seems like it can't be the public key exponent because phi(m)=(p-1)(q-1) is also even.
It sounds like you are given , not . So, you need to find . Then the decryption key would be ? I dunno.
Oh, just read through the link I sent you. It tells you precisely what to do in the section titled "A working example".
Is there any way to use an even number as an encryption exponent?
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