func toPFX()

in fakeca/identity.go [75:100]

• 20 lines of code
• 9 McCabe index (conditional complexity)

func toPFX(cert *x509.Certificate, priv interface{}, password string) []byte {
	// only allow alphanumeric passwords
	for _, c := range password {
		switch {
		case c >= 'a' && c <= 'z':
		case c >= 'A' && c <= 'Z':
		case c >= '0' && c <= '9':
		default:
			panic("password must be alphanumeric")
		}
	}

	passout := fmt.Sprintf("pass:%s", password)
	cmd := exec.Command("openssl", "pkcs12", "-export", "-passout", passout)

	cmd.Stdin = bytes.NewReader(append(append(toPKCS8(priv), '\n'), toPEM(cert)...))

	out := new(bytes.Buffer)
	cmd.Stdout = out

	if err := cmd.Run(); err != nil {
		panic(err)
	}

	return out.Bytes()
}