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Results tagged with finite-field
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user 67262
A finite field is a mathematical construct based on a set of axioms which are held to be true. A number of interesting and useful properties arise from finite fields that makes them particularly suitable for use in cryptography, notably in block ciphers. Questions concerning finite fields should use this tag. Your question may concern finite fields if you are asking about AES, block ciphers or modular arithmetic.
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Elliptic Curve - Divide by 2
For secp256k1, and in general for EC $y^2= x^3+7$ in a prime field, by coordinate values it will look like this:
