elliptic-curve: ensure PublicKey is not the identity point #404
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Adds an invariant to the `AffinePoint` wrapped by a `PublicKey` which ensures it is not the identity point. This is notable now that we support SEC1 encoding of identity points (#401), as it might be unexpected to end users to receive public keys which encode the identity element.
tarcieri
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elliptic-curve/ensure-public-keys-are-not-identity
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Adds an invariant to the
AffinePointwrapped by aPublicKeywhich ensures it is not the identity point.This is notable now that we support SEC1 encoding of identity points (#401), as it might be unexpected to end users to receive public keys which encode the identity element.