Wie verlinke ich einen eigenen biblatex Stil mit hyperref zum Literaturverzeichnis?

\listfiles
\documentclass{scrreprt}

\usepackage[ngerman]{babel}             % Neue dt. Rechtschreibung
\usepackage[T1]{fontenc}                    % 
\usepackage[utf8]{inputenc}         % Dateicodierung
\usepackage{csquotes}
\usepackage{filecontents}

\begin{filecontents}{norm.bib}
    @NORM{DIN1234,
        label = {DIN 1234},
        title = {Name},
        organization = {Deutsches Institut f{\"u}r Normung (DIN)},
        sortkey = {{DIN1234:1982}},
        publisher = {Beuth Verlag},
        year = {1982},
        address = {Berlin},
    }

\end{filecontents}
\usepackage[backend=biber, style=numeric,hyperref]{biblatex}    
\addbibresource{norm.bib}

\begin{filecontents}{norm.dbx}
    \DeclareDatamodelEntrytypes{norm}
    \DeclareDatamodelEntryfields[norm]{
        label,
        sortkey,
        year
    }
\end{filecontents}

\DeclareBibliographyDriver{norm}{%
    \usebibmacro{bibindex}%
    \usebibmacro{begentry}%
    \printfield{label}%
    \addcolon
    \printfield{year}%
    \newunit\newblock
    \printfield{title}%
    \newunit\newblock
    \printlist{organization}%
    \newunit\newblock
    \printlist{location}%
    \iflistundef{publisher}
    {\setunit*{\addcomma\space}}
    {\setunit*{\addcolon\space}}%
    \printlist{publisher}%
    \setunit{\bibpagerefpunct}\newblock
    \usebibmacro{pageref}%
    \newunit\newblock
    \usebibmacro{related}%
    \newunit\newblock
    \printfield{isbn}%
    \newunit
    \iftoggle{bbx:url}
    {\usebibmacro{url+urldate}}
    {}%
    \newunit\newblock
    \usebibmacro{addendum+pubstate}%
    \usebibmacro{finentry}}

\newcommand*{\citenorm}{\addspace}
\DeclareCiteCommand{\citenorm}{}{\printfield{label}}{}{\addcolon\printfield{year}}

\usepackage[colorlinks=false,linktocpage]{hyperref} %im Druck unsichtbare Verlinkung von Referenzen und Inhaltsverzeichnis.

\begin{document}
\citenorm{DIN1234}

\printbibliography
\end{document}