curve := nist.P256()

switch curve {
case nist.P256():
    fmt.Println("Using P-256 curve")
case nist.B233():
    fmt.Println("Using B-233 curve")
default:
    fmt.Println("Unknown curve")
}

import (
    "crypto/ecdsa"
    "crypto/rand"

    "github.com/RyuaNerin/elliptic2/v2/nist"
)

func main() {
    // Generate ECDSA key pair using elliptic2 curve
    privateKey, err := ecdsa.GenerateKey(nist.P256(), rand.Reader)
    if err != nil {
        panic(err)
    }

    // Sign and verify as usual
    message := []byte("hello")
    signature, err := ecdsa.SignASN1(rand.Reader, privateKey, message)
    if err != nil {
        panic(err)
    }

    valid := ecdsa.VerifyASN1(&privateKey.PublicKey, message, signature)
    fmt.Println("Signature valid:", valid)
}