80 lines
3.6 KiB
Mathematica
80 lines
3.6 KiB
Mathematica
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RORUTL03 ;HOIFO/CRT,SG - ENCRYPTION/DECRYPTION ; 7/14/05 2:59pm
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;;1.5;CLINICAL CASE REGISTRIES;;Feb 17, 2006
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;
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Q
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;
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;***** DECRYPTS THE STRING
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DECRYPT(S) ;
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N ASSOCIX,ASSOCSTR,IDIX,IDSTR
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S ASSOCIX=$A($E(S,$L(S)))-31,IDIX=$A($E(S))-31
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S ASSOCSTR=$P($T(Z+ASSOCIX),";;",2,99)
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S IDSTR=$P($T(Z+IDIX),";;",2,99)
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Q $TR($E(S,2,$L(S)-1),ASSOCSTR,IDSTR)
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;
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;***** ENCRYPTS THE STRING
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ENCRYPT(S) ;
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N %,ASSOCIX,ASSOCSTR,IDIX,IDSTR
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S ASSOCIX=$R(20)+1
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F S IDIX=$R(20)+1 Q:ASSOCIX'=IDIX
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S ASSOCSTR=$P($T(Z+ASSOCIX),";;",2,99)
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S IDSTR=$P($T(Z+IDIX),";;",2,99)
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Q $C(IDIX+31)_$TR(S,IDSTR,ASSOCSTR)_$C(ASSOCIX+31)
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;
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;***** RETURNS DEFAULT SITE FOR HL7 MESSAGES
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SITE(CS) ;
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N RORSITE,RORSTN S:$G(CS)="" CS="^"
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S RORSITE=$$SITE^VASITE
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I RORSITE<0 D Q ""
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. D ERROR^RORERR(-56,,,,RORSITE,"$$SITE^VASITE")
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S RORSTN=$E($P(RORSITE,"^",3),1,3)
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Q RORSTN_CS_$P(RORSITE,"^",2)_CS_"99VA4"
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;
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;***** XOR ENCRYPTION (from ICR v2.1)
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XOR(X) ;
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N I,SUFFIX
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;--- Separate digits and letters (the suffix)
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I X'?1N.N D S SUFFIX=$E(X,I,99),X=$E(X,1,I-1)
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. F I=1:1 Q:$E(X,I)'?1N
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;--- Convert the numeric part to hexadecimal
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S X=$$CNV^XLFUTL(X,16)
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;--- Perform XOR of each hexadecimal digit with '1101' (0xD)
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S X=$TR(X,"0123456789ABCDEF","DCFE98BA54761032")
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;--- Pad with 0xD from the left so that the value will contain
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; no less that 9 hexadecimal digits, convert numeric part
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;--- back to decimal and append the suffix (if available)
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Q $$DEC^XLFUTL($TR($J(X,9)," ","D"),16)_$G(SUFFIX)
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;
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;***** ENCODES THE SPECIAL CHARACTERS (&, <, ', and ")
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;
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; STR Source string
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;
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XMLENC(STR) ;
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N CH,I,IC
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F I=1:1:5 S CH=$E("&<""'>",I),IC=1 D
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. F S IC=$F(STR,CH,IC) Q:IC'>0 D
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. . S $E(STR,IC-1,IC-1)=$P("&^<^"^'^>","^",I)
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Q STR
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;
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;***** ENCRYPTION/DECRYPTION TABLE
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Z ;;
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;;ko-ZJtdG)49K{nX1BS$vH<:Myf*>Ae0!jQW=;#PwsO`E'%+rmb[gpqN,l6/hFC@DcUa ]zR}"ViIxu?872.(TYL5_3
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;;`R;M/9BqAF%tSs#Vh)dO1DZP>r *fX'u[.4KlY=-mg_ci802N7LTG<]!CWo:3?{v+,5Q}(@jaExn$pIyHwzU"k6Jeb
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;;ZJk"WQmCn!Y,y@1d+8s?[lNMxgHE(t=uwX:qSLjAI*}6zoF{T3#;cap)/h5%`P4$r]G'9e2if_>UDKb7V<v0- RBO.
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;;dpjt3g4W)qD0VNJarseB "?OYhcu[<M%Z`RIL_6:]AX-zG.#}$@vk7/5x*m;(yb2Fn+l'PwUof1K{9,EQi>H=CT8S!
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;;:1}K$byP;jk)7'`x90Bcq@iSsEnu,(Nl-hf.Y_?J#R]+voQXZU8mrV[!p4tgOWMez CAaGFD6H53%L/dT2<*>"{wI=
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;;J<oZ9phXVNn)m K`t/SI%]A5qOWe?;jTM!fz1l>[D_0xR32ic*4.P"G{r7}E8wvUgyudF+6-:B=$(sCY,LkbHa#'@Q
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;;X,'4Ty;[a8/{6lF_V"}qLI!@x(D7bRmUHh]W15J%N0BYPkrs9:$)Zj>uvzwQ=ieC-oGA.#?tfdcOM3gp`S+En K2*<
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;;W5[];4'<C$/xrZ(k{>?ghBzIFN}fAK"#`p_T!qtD*1E37XGVs@0nmdjSe+Y6Qyo-aUu%i8c=H2vJ) R:MLb.9,wlOP
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;;tjEM+!=xXb)7,ZV{*ci3"8@_l-HS69L>2]AUF/Q%:qD?1m(yvO0e'hT<#o$p4dnIzKP`NrkaGg.ufCRB[; sJYwW}5
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;;/zl-9y:Pj=(R'7QJI *CTX"p0]_3.idcuOBefVU#omwNZ`$vFs?L+1Sk<5,b)hM4A6[Y%aDrg@KqEW8t>H};n!2xG{
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;;0Bo@_HfnK>LR}qWXV+D6`Y28=4CmsG/7-5Ab9!a#rPF.lM$hc3ijQk;),TvzUd<[:I"u1'NZSOw]*gxtE{eJpy (?%
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;;D}LJyGO8`$*ZqH .j>cMh<d=fimszv[#-53F!+a;NC'6T91IV?(0@x/{B)w"]QY,UWprk4:ol%g2nE7teRKbAPuS_X
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;;Y#_0*H<B=Q+FML6]s;r2:e8R}[icKA 1w{)vV5d,.$u"xD/Pg?IyfthO@CzjWp%!`N4Z'3-(oJ9XUE7kTlqSb>anGm
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;;1']_GU<X`NgM?LS9{"jT%s$}y[nvtlefB2RKJW(/cIxDCPow4,>#zm+:5b@06O3Ap8=V*7ZFY!H-uEQk;a .q)irhd
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;;z7AG@QX."%3Lq>METUo{Pp_ a6<0dYVSv8:bI)W9NK`(r'4fswimkRe]C2hg=HOj$1B*/nxt,;cJ#y+![?lFuZ-5D}
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;;Ge6F Hx>q$mC%MTn,:"o'tX/*yP.{lZ!YkiVhuw_<KE5aR[;}W0gjsz3]@7cI2QN?f#4pvbr1OUBD9)=-L(JA+d`S8
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;;>ym};d)-7DZ"Fe/Y<B:xwojR,Vh]O0Sc[`$sg8GXE!I1Qrzp._W%TNKk(=J 3i*2abuHA4C'?MvPq{n#56LftUl@9+
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;;)9 WidFN,1KsmwQ>GJM{I4:C%}#Ep(?HB/r;t.U8ol['Lg"2hRDyZ5`nbf]qjc0!zS-TkYO<_=76a*X@$Pe3+AxVvu
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;;ar.{YU7mBZR@-K2 "+`M%8sq4JhPo<_XSg3WC;Tuxz,fvEiQ1p9=w}FAIj/keD0c?)LN6OHV]lG:5y'$*>nd[(tb!#
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