SOLUTION MANAGER KEY

得到一个获取SOLUTION MANAGER KEY的程序，不知道适用SAP的什么版本

*&---------------------------------------------------------------------*
*& Report  Z_BARRY_GET_KEY                                             *
*&                                                                     *
*&---------------------------------------------------------------------*
*&    得到SOLUTION MANAGER KEY                                         *
*&                                                                     *
*&---------------------------------------------------------------------*

REPORT  z_barry_get_key    .
TYPES: BEGIN OF dswpclientkey,
         instno TYPE num10,
         dbid(3),
         bundle_id(8),
         service_key(40),
       END OF dswpclientkey.
*data: dswpclientkey_w type standard table of dswpclientkey.
DATA: p_value(10),
      p_instno(10).

PARAMETERS: p_sid(3),
            p_sysno(2),
            p_server(15).

START-OF-SELECTION.
  PERFORM get_sp_value USING p_sid
                             p_sysno
                             p_server
                             p_instno
                    CHANGING p_value.

  WRITE p_value.
*&---------------------------------------------------------------------*
*&      Form  get_sp_value
*&---------------------------------------------------------------------*
FORM get_sp_value USING    p_pf_sid
                           p_pf_sysno
                           p_pf_server
                           p_pf_instno
                  CHANGING p_pf_value.

  CONSTANTS: lc_part_len TYPE i VALUE 5,
             lc_pw_len   TYPE i VALUE 10,
             lc_allowed_chars(38) TYPE c VALUE
             '-0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_'.

  DATA: lf_string(20)        TYPE c,
        lf_key               TYPE i,
        ls_key               TYPE dswpclientkey,
        lf_part(lc_part_len) TYPE c,
        lf_finalf(lc_pw_len) TYPE c,
        lf_finalx            TYPE xstring,
        lf_xbuffer           TYPE xstring,
        lf_opf(10)           TYPE c,
        lf_langu             LIKE sy-langu,
        lf_subrc             LIKE sy-subrc,
        lf_len               TYPE i,
        lo_conv_to_x         TYPE REF TO cl_abap_conv_out_ce.

  CLEAR: lf_string, lf_finalx, lf_opf.
  CONCATENATE p_pf_sid p_pf_sysno p_pf_server INTO lf_string.
  TRANSLATE lf_string TO UPPER CASE.
  lf_langu = sy-langu.
  SET LOCALE LANGUAGE 'E'.
  lo_conv_to_x = cl_abap_conv_out_ce=>create( encoding = '1100' ).
  lf_len = STRLEN( lf_string ).

  IF lf_string(lf_len) CN lc_allowed_chars.
  ELSE.
    WHILE lf_len > 0.
      lf_part = lf_string(lc_part_len).
      SHIFT lf_string BY lc_part_len PLACES.
      lf_len = STRLEN( lf_string ).
      CALL METHOD lo_conv_to_x->reset.
      CALL METHOD lo_conv_to_x->write( data = lf_part n = -1 ).
      lf_xbuffer = lo_conv_to_x->get_buffer( ).
      lf_finalx = lf_finalx BIT-XOR lf_xbuffer.
    ENDWHILE.

    lf_key = 12.

    PERFORM scramble USING      lf_finalx
                                lf_key
                                lc_part_len
                       CHANGING lf_finalf
                                lf_subrc.

    IF NOT lf_finalf IS INITIAL.
      p_pf_value = lf_finalf.
      ls_key-dbid        = p_pf_sid.
      ls_key-instno      = p_pf_instno.
      ls_key-bundle_id   = 'SM_KEY'.
      ls_key-service_key = lf_finalf.
      IF NOT p_pf_instno IS INITIAL.
*        insert dswpclientkey_w from ls_key.
        IF sy-subrc <> 0.
*          update dswpclientkey_w from ls_key.
        ENDIF.
      ENDIF.
    ELSE.
      CLEAR p_pf_value.
    ENDIF.
  ENDIF.
ENDFORM.                    " get_sp_value
*&---------------------------------------------------------------------*
*&      Form  scramble
*&---------------------------------------------------------------------*
FORM scramble USING    iv_xstring TYPE xstring
                       iv_key TYPE i
                       iv_src_len TYPE i
              CHANGING lf_finalf
                       lf_subrc LIKE sy-subrc.
  CONSTANTS: lc_max_len    TYPE i VALUE 20,
             lc_mask(4)    TYPE x VALUE '0000003F',
             lc_random(64) TYPE x VALUE
                      'F0ED53B83244F1F876C67959FD4F13A2' &
                      'C15195EC5483C234774943A27DE26596' &
                      '5E5398789A17A33CD383A8B829FBDCA5' &
                      '55D702778413ACDDF9B83116610E6DFA'.
  DATA: lv_key_index(4)  TYPE x,
        lv_rand_index(4) TYPE x,
        lv_xkey(4)       TYPE x,
        lv_xkey_shl_1(4) TYPE x,
        lv_xkey_shr_5(4) TYPE x,
        lv_scramble_byte TYPE x,
        lv_dest(lc_max_len) TYPE x,
        lv_index         TYPE i,
        lv_len           TYPE i.

  CLEAR lf_subrc.
  IF iv_src_len EQ 0. EXIT. ENDIF.
  lv_len = XSTRLEN( iv_xstring ).
  IF iv_src_len GT lc_max_len OR
     iv_src_len GT lv_len.
    lf_subrc = 2.
    EXIT.
  ENDIF.

  lv_xkey       = iv_key.
  lv_xkey_shl_1 = iv_key * 2.
  lv_xkey_shr_5 = iv_key DIV 32.
  lv_rand_index = lv_xkey BIT-XOR lv_xkey_shr_5 BIT-XOR lv_xkey_shl_1.
  lv_rand_index = lv_rand_index BIT-AND lc_mask.

  lv_index = 0.
  DO iv_src_len TIMES.
    CATCH SYSTEM-EXCEPTIONS compute_int_times_overflow = 1.
      lv_key_index = ( iv_key * lv_index * lv_index ) - lv_index.
    ENDCATCH.
    IF sy-subrc <> 0.
      lf_subrc = 1.
      EXIT.
    ENDIF.
    lv_scramble_byte = lc_random+lv_rand_index(1) BIT-XOR
                       lv_key_index+3(1).
    lv_dest+lv_index(1) = iv_xstring+lv_index(1) BIT-XOR
                          lv_scramble_byte.
    lv_index = lv_index + 1.
    lv_rand_index = lv_rand_index + 1.
    lv_rand_index = lv_rand_index BIT-AND lc_mask.
  ENDDO.
  IF lf_subrc <> 0.
    EXIT.
  ENDIF.
  WRITE lv_dest(iv_src_len) TO lf_finalf.
ENDFORM.                    " scramble