A bijection f is a function which is both an
injection and a
For each bijection f:X→Y we can define its inverse f-1Y→X where
f-1(y)=x if f(y)=x.
The function f(x)=x is a bijection.
A. Menzes, P. van Oorschot, and S. Vanstone, Handbook of Applied Cryptography. CRC Press, 1996.
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