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points_test.go
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points_test.go
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package rome
import (
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"math/big"
"testing"
)
func TestParsePoints(t *testing.T) {
key, err := generate()
if err != nil {
t.Fatal(err)
}
x, y := key.Public().Points()
// compare pointers and make sure they don't match
if &key.ecdsa.X == &x || &key.ecdsa.Y == &y {
t.Fatal("curve points did not clone")
}
}
func TestECKeySize(t *testing.T) {
key, err := generate()
if err != nil {
t.Fatal(err)
}
if size := key.Public().Size(); size != 66 {
t.Fatal("unexpected size:", size)
}
}
// Generate will create a new nist-P521 elliptic curve public/private key pair
func generate() (*ECKey, error) {
d, x, y, err := elliptic.GenerateKey(elliptic.P521(), rand.Reader)
if err != nil {
return nil, err
}
private := &ecdsa.PrivateKey{
D: new(big.Int).SetBytes(d),
PublicKey: ecdsa.PublicKey{
Curve: elliptic.P521(),
X: x,
Y: y,
},
}
return NewECCurve(private), nil
}