117 lines
5.2 KiB
Mathematica
117 lines
5.2 KiB
Mathematica
XMJMCODE ;ISC-SF/GMB-Message En/Decryption ;08/24/2001 10:56
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;;8.0;MailMan;;Jun 28, 2002
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; Replaces ^XME,^XME1 (ISC-WASH/CAP/THM)
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ENCMSG(XMZ) ; Encode a message
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N I
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W:$G(XMIA) !,$$EZBLD^DIALOG(34615) ; Scrambling...
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S I=.999999
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F S I=$O(^XMB(3.9,XMZ,2,I)) Q:I'>0 S ^(0)=$$ENCSTR(^XMB(3.9,XMZ,2,I,0))
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Q
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ENCSTR(XMCLEAR) ; Encode a string
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N I,XMCODED
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S XMCODED=""
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F I=1:1:$L(XMCLEAR) S XMCODED=XMCODED_$C($F(XMSECURE(I#XMSECURE+1),$E(XMCLEAR,I))+30)
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Q XMCODED
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DECMSG(XMZ) ; Decode a message
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N I
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W:$G(XMIA) !,$$EZBLD^DIALOG(34616) ; UnScrambling...
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S I=.999999
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F S I=$O(^XMB(3.9,XMZ,2,I)) Q:I'>0 S ^(0)=$$DECSTR(^XMB(3.9,XMZ,2,I,0))
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Q
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DECSTR(XMCODED) ; Decode a string
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N I,XMCLEAR
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S XMCLEAR=""
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F I=1:1:$L(XMCODED) S XMCLEAR=XMCLEAR_$E(XMSECURE(I#XMSECURE+1),$A(XMCODED,I)-31)
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Q XMCLEAR
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CRE8KEY(XMKEY,XMHINT,XMABORT) ;
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D ASKKEY(.XMKEY,.XMABORT) Q:XMABORT
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N DIR,X,Y
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S DIR(0)="3.9,1.8"
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S DIR("A")=$$EZBLD^DIALOG(34617) ; Enter Scramble Hint
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D ^DIR I $D(DUOUT)!$D(DTOUT) S XMABORT=1 Q
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S XMHINT=Y
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Q
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KEYOK(XMZ,XMHINT) ; Ask user for key and make sure it's right
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N XMKEY,XMTRY,XMOK,XMABORT
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U IO(0)
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W !!,$$EZBLD^DIALOG(34624) ; This message has been secured with a password:
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D NOGOID^XMJMP2(XMZ,$G(^XMB(3.9,XMZ,0)))
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I " "[XMHINT D
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. W !,$$EZBLD^DIALOG(34620.1) ; There is no scramble hint.
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E D
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. ; The scramble hint is: '_XMHINT_'
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. W !,$$EZBLD^DIALOG(34620,XMHINT)
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S (XMOK,XMABORT)=0
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F XMTRY=1:1:3 D Q:XMOK!XMABORT
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. D ASKKEY(.XMKEY,.XMABORT) Q:XMABORT
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. I $$GOODKEY(XMZ,XMKEY) S XMOK=1 Q
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. W $C(7),$$EZBLD^DIALOG(34621,XMTRY) ; " Not the proper password. Strike _XMTRY_.
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I 'XMOK,'XMABORT W $$EZBLD^DIALOG(34622) ; " Yer out!
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I 'XMOK!XMABORT K XMSECURE
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Q 'XMABORT&XMOK
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ASKKEY(XMKEY,XMABORT) ;
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F D Q:XMKEY'="?"!XMABORT
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. W !,$$EZBLD^DIALOG(34618) ; "Enter Scramble Password: "
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. X ^%ZOSF("EOFF") R XMKEY:15 S:'$T XMKEY=U X ^%ZOSF("EON") U IO
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. I XMKEY[U S XMABORT=1 Q
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. I $L(XMKEY)>2,$L(XMKEY)<21 S XMKEY=$$UP^XLFSTR(XMKEY) Q:$L(XMKEY)+1'=$L(XMKEY,$E(XMKEY))
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. S XMKEY="?"
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. ;The scramble password is a secret code which must be entered by the
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. ;reader in order to see the message. Upper and lower case characters
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. ;are treated the same. (The password is not case sensitive.)
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. ;The password must be from 3 to 20 characters long, and may not be
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. ;just one repeating character.
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. W !
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. D BLD^DIALOG(34619,"","","XMTEXT","F")
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. D MSG^DIALOG("WH","","","","XMTEXT")
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. W !
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Q
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GOODKEY(XMZ,XMKEY) ; Function checks key and make sure it's right.
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; If it is, XMSECURE is defined, and function returns 1;
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; Else XMSECURE is not defined, and function returns 0
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D LOADCODE
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D ADJUST(.XMKEY)
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I $$ENCSTR(XMKEY)=$E($G(^XMB(3.9,XMZ,"K")),2,99) Q 1
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K XMSECURE
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Q 0
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ADJUST(XMKEY) ; Capitalize the key, pad the key, & adjust cylinder with key
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N I,J,XMRW
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S:XMKEY?.E1L.E XMKEY=$$UP^XLFSTR(XMKEY)
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F Q:$L(XMKEY)>XMSECURE S XMKEY=XMKEY_XMKEY
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S XMKEY=$E(XMKEY,1,XMSECURE)
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S XMRW=0
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F I=1:1:XMSECURE S XMRW=XMRW+$A(XMKEY,I)
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S XMRW=XMRW#96
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S:$G(XMPAKMAN) XMPAKMAN("XMRW")=XMRW
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F I=1:1:XMSECURE D
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. S J=$F(XMSECURE(I),$E(XMKEY,I))-1+XMRW#40
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. S XMSECURE(I)=$E(XMSECURE(I),J,999)_$E(XMSECURE(I),1,J-1)
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Q
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LOADCODE ; Load Bazeries Cylinder
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N XMLINE,I
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F I=1:1 S XMLINE=$P($T(Z+I),";",3,9) Q:XMLINE="" S XMSECURE(I)=XMLINE
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S XMSECURE=I-1
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Q
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Z ;;
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;;j+?F}hmi<Q#uZ|]Jdgwb'52NBr,fP6&:{s./*E(4an)A-Y 7cKMt[Ce;OGD=op"~UL0Xy89x%1lv!VH@\>_R3zkTS$`WI^q
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;;~7C|(lbZo5f&mz3*}E{ `eVtGSMN"I>WBy48K/THiu^[1Fcaqp,_L=h.j]X<AP?O$@YQ\d!rU9;:D)2gk+n%J-wR6vs'0x#
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;;j+?F}hmi<Q#uZ|]Jdgwb'52NBr,fP6&:{s./*E(4an)A-Y 7cKMt[Ce;OGD=op"~UL0Xy89x%1lv!VH@\>_R3zkTS$`WI^q
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;;:eR^K{=o1$+VM3qd@h8ks<W;Hzpu-wbrmTNix?7GYQSlv'*~(4a".c}g[E|%>9O#/0JIF\yj2!Ptn)_D B]C6A&`ZfX,U5L
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;; 6[2F5ETNc/mjglK0bZ<CHvp-)~IV%,=}79Y:i+r(yeGD;zJ"4'qd.sh?*on#&kM3XfA\!_S]BWLQO@U8RtP$`^|u>wx{1a
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;;kO;/"1r?[x#EloIz.<Vpb|8WL{K&a%:tny}`Quv5h-m2U0>9M]j)fNX7S@PYD$='T_Cg!JAq+H^FGs(i,6ce Bwd*~RZ\43
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;;(r{dz)P5F1H'a=sm^g"Eu-%7&\.UJxy<h q?vw*o+#2TV}W|L0QI9iXtOB:Y]e3>4$`p6fnj8cSM;Kb_Z[GC/A!@NlDkR~,
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;;M|.y]37'\p6{UAz^fm4Ik"9c&gn;D#le+=VB*J8bG%Z2hQtu_>,~vW/}ji:X`NY0[w5rHq)O- LSo?a!T1KE@P<FxsR$C(d
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;;|Qv<[=NC#}!zO$GtF/,KjU;W6S9rV+%@'-:R3e&D7TBq8(o.?k"g>L_Z)2*Pyx{X05diHaphb41fM]Im`\lYAncs~EwJ^ u
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;;B*6IQt9jf|YH7%gdi<cO3\mN5{&'Uv1/^Gl0V)w>`z@#A4_To b]DnJx$Zyk+Ku8pCrPRSq!?:MaEs[,-=L2WFeX~;h(}."
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;;
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