return errors.New("ed25519: invalid signature")
		}
		return nil
	default:
		return errors.New("ed25519: expected opts.Hash zero (unhashed message, for standard Ed25519) or SHA-512 (for Ed25519ph)")
	}
}

func verify(publicKey PublicKey, message, sig []byte, domPrefix, context string) bool {
	if l := len(publicKey); l != PublicKeySize {
		panic("ed25519: bad public key length: " + strconv.Itoa(l))
	}

Filippo Valsorda <******@****.***> 1684886145 +0200

Filippo Valsorda <******@****.***> 1684936196 +0200

Roland Shoemaker <******@****.***> 1715710936 -0700

Roland Shoemaker <******@****.***> 1715710936 -0700

Roland Shoemaker <******@****.***> 1715710936 -0700

Roland Shoemaker <******@****.***> 1715710936 -0700

			return nil, errors.New("x509: invalid Ed25519 private key parameters")
		}
		var curvePrivateKey []byte
		if _, err := asn1.Unmarshal(privKey.PrivateKey, &curvePrivateKey); err != nil {
			return nil, fmt.Errorf("x509: invalid Ed25519 private key: %v", err)
		}
		if l := len(curvePrivateKey); l != ed25519.SeedSize {
			return nil, fmt.Errorf("x509: invalid Ed25519 private key length: %d", l)
		}

			return errors.New("ECDSA verification failure")
		}
	case signatureEd25519:
		pubKey, ok := pubkey.(ed25519.PublicKey)
		if !ok {
			return fmt.Errorf("expected an Ed25519 public key, got %T", pubkey)
		}
		if !ed25519.Verify(pubKey, signed, sig) {
			return errors.New("Ed25519 verification failure")
		}
	case signaturePKCS1v15:
		pubKey, ok := pubkey.(*rsa.PublicKey)
		if !ok {

	ed25519Key = flag.Bool("ed25519", false, "Generate an Ed25519 key")
)

func publicKey(priv any) any {
	switch k := priv.(type) {
	case *rsa.PrivateKey:
		return &k.PublicKey
	case *ecdsa.PrivateKey:
		return &k.PublicKey
	case ed25519.PrivateKey:
		return k.Public().(ed25519.PublicKey)
	default:
		return nil
	}
}

func main() {
	flag.Parse()