22 lines
402 B
Go
22 lines
402 B
Go
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package secp256r1
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import (
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"crypto/ecdsa"
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"crypto/elliptic"
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"math/big"
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)
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// Generates appropriate public key format from given coordinates
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func newPublicKey(x, y *big.Int) *ecdsa.PublicKey {
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// Check if the given coordinates are valid
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if x == nil || y == nil || !elliptic.P256().IsOnCurve(x, y) {
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return nil
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}
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return &ecdsa.PublicKey{
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Curve: elliptic.P256(),
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X: x,
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Y: y,
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}
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}
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