func sigHdrTypeV1()

in image/v1.go [160:179]

• 19 lines of code
• 5 McCabe index (conditional complexity)

func sigHdrTypeV1(key sec.PrivSignKey) (uint32, error) {
	key.AssertValid()

	if key.Rsa != nil {
		if UseRsaPss {
			return IMAGEv1_F_PKCS1_PSS_RSA2048_SHA256, nil
		} else {
			return IMAGEv1_F_PKCS15_RSA2048_SHA256, nil
		}
	} else {
		switch key.Ec.Curve.Params().Name {
		case "P-224":
			return IMAGEv1_F_ECDSA224_SHA256, nil
		case "P-256":
			return IMAGEv1_F_ECDSA256_SHA256, nil
		default:
			return 0, errors.Errorf("unsupported ECC curve")
		}
	}
}