documentclass{article}
usepackage{algorithm,algpseudocode}
algtext*{EndIf}% Remove EndIf
renewcommand{thealgorithm}{}
usepackage{amsmath,amssymb}
begin{document}
LinesNumberedHidden{
begin{algorithm}
caption{$Game PrvInd_{G,phi}$}
label{pseudoPSO}
begin{algorithmic}[1]
Procedure{Garble}{f_0, f_1, x)0, x1}

    If{$f(phi(f0) neqphi(f1)$}
    Return $perp$ EndIf
    If {$ev(f_0, x_0) neq ev(f_1, x_1)$}
    Return $perp$ EndIf
    If{${x_0,x_1} nsubseteq {0,1}^{{f_0}.n}$} Return $perp$ EndIf
    $(F, e, d) leftarrow Gb(1^k, f_b)$;
    $X leftarrow En(e, x_b)$
    Return (F,X, d)
EndProcedure

end{algorithmic}
end{algorithm}}
end{document}