1. PHP / Говнокод #26607

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    <?php
    
    function qes2_key ( $key = null ) {
        $key = str_split( $key );
        $keycount = count( $key );
        $xspos = 1;
        $summ = 0;
        foreach( $key as $letter ) {
            $summ += ord( $letter ) * 2 + $xspos + ( $keycount / $xspos );
            $xspos++;
        }
        $summ = explode('.', $summ );
        return $summ[0];
    }
    	
    function qes2_encrypt ( $input, $key ) {
        $input = str_split( $input );
        $icount = count( $input );
        $rsumm = qes2_key( $key );
        $result = '';
        $xspos = 1;
        $xsdisp = 1;
        foreach( $input as $letter ) {
            $char = ord( $letter ) + ( $rsumm * $xspos ) - $xsdisp ;
            $result .= chr( $char );
            $xspos++;
            $xsdisp += 1;
        }
        return $result;
    }
    	
    function qes2_decrypt ( $input, $key ) {
        $input = str_split( $input );
        $icount = count( $input );
        $rsumm = qes2_key( $key );
        $result = '';
        $xspos = 1;
        $xsdisp = 1;
        foreach( $input as $letter ) {
            $char = ord( $letter ) - ( $rsumm * $xspos ) + $xsdisp ;
            $result .= chr( $char );
            $xspos++;
            $xsdisp += 1;
        }
        return $result;
    }

    qes2a encryption (c)

    Запостил: govnokoduser2000, 27 Апреля 2020

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