VAQHSH ;ALB/JRP - ENCRYPT A DISPLAY ARRAY;29-MAR-93
;;1.5;PATIENT DATA EXCHANGE;;NOV 17, 1993
ENCDSP(TRAN,ROOT,ENCPTR,DSPOFF,DSPCNT) ;ENCRYPT A DISPLAY
;INPUT : TRAN - Pointer to VAQ - TRANSACTION file
; ROOT - Where the Display Array is (full global reference)
; ENCPTR - Pointer to VAQ - ENCRYPTION METHOD file
; DSPOFF - Offset into Display Array to begin at
; Only used for Display Arrays (defaults to 0)
; DSPCNT - Number of lines in Display Array
; Only used for Display Arrays (defaults to full array)
;OUTPUT : 0 - Success
; -1^Error_Text - Error
;NOTES : If TRAN>0
; Encryption will be based on the transaction
; Keys will come from the transaction
; Else
; Encryption will be based on ENCPTR
; Keys based on current user
; : Existance of TRAN takes precedence over ENCPTR
;
;CHECK INPUT
S TRAN=+$G(TRAN)
S ENCPTR=+$G(ENCPTR)
Q:(('TRAN)&('ENCPTR)) "-1^Did not pass pointer to transaction or encryption method"
I (TRAN) Q:('$D(^VAT(394.61,TRAN))) "-1^Did not pass valid pointer to VAQ - TRANSACTION file"
I (TRAN) S ENCPTR=$$TRANENC^VAQUTL3(TRAN,1) Q:('ENCPTR) "-1^Transaction did not contain pointer to encryption method"
Q:('ENCPTR) "-1^Did not pass encryption method"
Q:($G(ROOT)="") "-1^Did not pass location of extracted segment"
S DSPOFF=+$G(DSPOFF)
S DSPCNT=+$G(DSPCNT)
;DECLARE VARIABLES
N TMP,ENCMTHD,ENCSTR,STRING,KEY1,KEY2,ERROR,SEQ,SENDER
S ERROR=0
;GET ENCRYPTION METHOD
S TMP=$$ENCMTHD^VAQUTL2(ENCPTR,0)
Q:(TMP="") "-1^Could not determine encryption method"
S ENCMTHD="S ENCSTR="_TMP
;DETERMINE PRIMARY KEY
I (TRAN) S SENDER=$$SENDER^VAQCON2(TRAN) Q:($P(SENDER,"^",1)="-1") "-1^Could not determine encryption keys"
S:(TRAN) SENDER=$P(SENDER,"^",1)
S:(TRAN) KEY1=$$NAMEKEY^VAQUTL3(SENDER,1)
S:('TRAN) KEY1=$$DUZKEY^VAQUTL3($G(DUZ),1)
;DETERMINE SECONDARY KEY
S:(TRAN) KEY2=$$NAMEKEY^VAQUTL3(SENDER,0)
S:('TRAN) KEY2=$$DUZKEY^VAQUTL3($G(DUZ),0)
Q:((KEY1="")!(KEY2="")) "-1^Could not determine encryption keys"
;LOOP THROUGH EACH LINE IN DISPLAY
S TMP=DSPOFF-.999999999
F SEQ=1:1 Q:((DSPCNT)&(SEQ>DSPCNT)) D Q:((TMP="")!(ERROR))
.S TMP=$O(@ROOT@("DISPLAY",TMP))
.Q:(TMP="")
.;GET LINE
.S STRING=@ROOT@("DISPLAY",TMP,0)
.;ENCRYPT LINE (DON'T ENCRYPT A NULL LINE)
.Q:(STRING="")
.X ENCMTHD
.I (ENCSTR="") S ERROR="-1^Error using encryption method" Q
.;STORE ENCRYPTED LINE
.S @ROOT@("DISPLAY",TMP,0)=ENCSTR
Q:(ERROR) ERROR
Q 0
--- Routine Detail --- with STRUCTURED ROUTINE LISTING ---[H[J[2J[HVAQHSH 2595 printed Dec 13, 2024@02:25:56 Page 2
VAQHSH ;ALB/JRP - ENCRYPT A DISPLAY ARRAY;29-MAR-93
+1 ;;1.5;PATIENT DATA EXCHANGE;;NOV 17, 1993
ENCDSP(TRAN,ROOT,ENCPTR,DSPOFF,DSPCNT) ;ENCRYPT A DISPLAY
+1 ;INPUT : TRAN - Pointer to VAQ - TRANSACTION file
+2 ; ROOT - Where the Display Array is (full global reference)
+3 ; ENCPTR - Pointer to VAQ - ENCRYPTION METHOD file
+4 ; DSPOFF - Offset into Display Array to begin at
+5 ; Only used for Display Arrays (defaults to 0)
+6 ; DSPCNT - Number of lines in Display Array
+7 ; Only used for Display Arrays (defaults to full array)
+8 ;OUTPUT : 0 - Success
+9 ; -1^Error_Text - Error
+10 ;NOTES : If TRAN>0
+11 ; Encryption will be based on the transaction
+12 ; Keys will come from the transaction
+13 ; Else
+14 ; Encryption will be based on ENCPTR
+15 ; Keys based on current user
+16 ; : Existance of TRAN takes precedence over ENCPTR
+17 ;
+18 ;CHECK INPUT
+19 SET TRAN=+$GET(TRAN)
+20 SET ENCPTR=+$GET(ENCPTR)
+21 if (('TRAN)&('ENCPTR))
QUIT "-1^Did not pass pointer to transaction or encryption method"
+22 IF (TRAN)
if ('$DATA(^VAT(394.61,TRAN)))
QUIT "-1^Did not pass valid pointer to VAQ - TRANSACTION file"
+23 IF (TRAN)
SET ENCPTR=$$TRANENC^VAQUTL3(TRAN,1)
if ('ENCPTR)
QUIT "-1^Transaction did not contain pointer to encryption method"
+24 if ('ENCPTR)
QUIT "-1^Did not pass encryption method"
+25 if ($GET(ROOT)="")
QUIT "-1^Did not pass location of extracted segment"
+26 SET DSPOFF=+$GET(DSPOFF)
+27 SET DSPCNT=+$GET(DSPCNT)
+28 ;DECLARE VARIABLES
+29 NEW TMP,ENCMTHD,ENCSTR,STRING,KEY1,KEY2,ERROR,SEQ,SENDER
+30 SET ERROR=0
+31 ;GET ENCRYPTION METHOD
+32 SET TMP=$$ENCMTHD^VAQUTL2(ENCPTR,0)
+33 if (TMP="")
QUIT "-1^Could not determine encryption method"
+34 SET ENCMTHD="S ENCSTR="_TMP
+35 ;DETERMINE PRIMARY KEY
+36 IF (TRAN)
SET SENDER=$$SENDER^VAQCON2(TRAN)
if ($PIECE(SENDER,"^",1)="-1")
QUIT "-1^Could not determine encryption keys"
+37 if (TRAN)
SET SENDER=$PIECE(SENDER,"^",1)
+38 if (TRAN)
SET KEY1=$$NAMEKEY^VAQUTL3(SENDER,1)
+39 if ('TRAN)
SET KEY1=$$DUZKEY^VAQUTL3($GET(DUZ),1)
+40 ;DETERMINE SECONDARY KEY
+41 if (TRAN)
SET KEY2=$$NAMEKEY^VAQUTL3(SENDER,0)
+42 if ('TRAN)
SET KEY2=$$DUZKEY^VAQUTL3($GET(DUZ),0)
+43 if ((KEY1="")!(KEY2=""))
QUIT "-1^Could not determine encryption keys"
+44 ;LOOP THROUGH EACH LINE IN DISPLAY
+45 SET TMP=DSPOFF-.999999999
+46 FOR SEQ=1:1
if ((DSPCNT)&(SEQ>DSPCNT))
QUIT
Begin DoDot:1
+47 SET TMP=$ORDER(@ROOT@("DISPLAY",TMP))
+48 if (TMP="")
QUIT
+49 ;GET LINE
+50 SET STRING=@ROOT@("DISPLAY",TMP,0)
+51 ;ENCRYPT LINE (DON'T ENCRYPT A NULL LINE)
+52 if (STRING="")
QUIT
+53 XECUTE ENCMTHD
+54 IF (ENCSTR="")
SET ERROR="-1^Error using encryption method"
QUIT
+55 ;STORE ENCRYPTED LINE
+56 SET @ROOT@("DISPLAY",TMP,0)=ENCSTR
End DoDot:1
if ((TMP="")!(ERROR))
QUIT
+57 if (ERROR)
QUIT ERROR
+58 QUIT 0
