| 1 | PRCHES2 ;WISC/RHD/AKS-ESIG MAINT ; 05/15/93  1:31 PM
 | 
|---|
| 2 | V ;;5.1;IFCAP;;Oct 20, 2000
 | 
|---|
| 3 |  ;Per VHA Directive 10-93-142, this routine should not be modified.
 | 
|---|
| 4 |  ;ROUTINE FOR SUBFIELD 15 (RECEIVED BY ESIG)
 | 
|---|
| 5 |  ; FIELD .6 (PARTIAL), FILE 442
 | 
|---|
| 6 | DECODE(LEVEL0,LEVEL1) ;returns esig in readable form
 | 
|---|
| 7 |  ;returns "" if failed
 | 
|---|
| 8 |  NEW RECORD,RECORD1,VERSION,PERSON,SIG,CHECKSUM
 | 
|---|
| 9 |  S RECORD=$G(^PRC(442,LEVEL0,11,LEVEL1,0)) I RECORD="" Q ""
 | 
|---|
| 10 |  S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1))
 | 
|---|
| 11 |  S VERSION=$P(RECORD1,"^",11)
 | 
|---|
| 12 |  S PERSON=+$P(RECORD,"^",15)
 | 
|---|
| 13 |  S SIG=$P(RECORD,"^",16)
 | 
|---|
| 14 |  I VERSION'="",VERSION'=1 Q ""
 | 
|---|
| 15 | D1 ;esig for ver 1
 | 
|---|
| 16 |  S CHECKSUM=$$SUM^PRCUESIG(LEVEL0_"^"_LEVEL1_"^"_$$STRING(RECORD,RECORD1))
 | 
|---|
| 17 |  Q $$DECODE^PRCUESIG(SIG,PERSON,CHECKSUM)
 | 
|---|
| 18 | ENCODE(LEVEL0,LEVEL1,USERNUM,Y) ;Encode esig for ver 1 only
 | 
|---|
| 19 |  NEW RECORD,RECORD1,SIGBLOCK,CHECKSUM,OLDUSER
 | 
|---|
| 20 |  S USERNUM=+USERNUM
 | 
|---|
| 21 |  I USERNUM=0 S Y=-3 Q  ;-3 no usernum available
 | 
|---|
| 22 |  S SIGBLOCK=$P($G(^VA(200,USERNUM,20)),"^",2)
 | 
|---|
| 23 |  I SIGBLOCK="" S Y=-2 Q  ;-2 no sig block
 | 
|---|
| 24 |  S RECORD=$G(^PRC(442,LEVEL0,11,LEVEL1,0))
 | 
|---|
| 25 |  S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1))
 | 
|---|
| 26 |  I RECORD="" S Y=-1 Q  ;-1 no record
 | 
|---|
| 27 |  I $P(RECORD,"^",16)'="" S Y=-4 Q  ;-4 cannot re-sign it
 | 
|---|
| 28 |  S OLDUSER=+$P(RECORD,"^",15)
 | 
|---|
| 29 |  I OLDUSER=0 S $P(RECORD,"^",15)=USERNUM
 | 
|---|
| 30 |  I OLDUSER>0 S USERNUM=OLDUSER
 | 
|---|
| 31 |  S:$P(RECORD1,"^",15)="" $P(RECORD1,"^",15)=$$NOW^PRCUESIG
 | 
|---|
| 32 |  S CHECKSUM=$$SUM^PRCUESIG(LEVEL0_"^"_LEVEL1_"^"_$$STRING(RECORD,RECORD1))
 | 
|---|
| 33 |  S $P(RECORD,"^",16)=$$ENCODE^PRCUESIG(SIGBLOCK,USERNUM,CHECKSUM)
 | 
|---|
| 34 |  S $P(RECORD1,"^",11,12)="1^"_$$SUM^PRCUESIG(SIGBLOCK)
 | 
|---|
| 35 |  S ^PRC(442,LEVEL0,11,LEVEL1,0)=RECORD
 | 
|---|
| 36 |  S ^PRC(442,LEVEL0,11,LEVEL1,1)=RECORD1
 | 
|---|
| 37 |  S Y=1 Q
 | 
|---|
| 38 | RECODE(LEVEL0,LEVEL1,CHECKSUM,Y) ;Recode esig for version 1 only
 | 
|---|
| 39 |  NEW RECORD,RECORD1,SIGBLOCK,USERNUM
 | 
|---|
| 40 |  S RECORD=$G(^PRC(442,LEVEL0,11,LEVEL1,0))
 | 
|---|
| 41 |  S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1))
 | 
|---|
| 42 |  I RECORD=""!(RECORD1="") S Y=-1 Q  ;-1 no record
 | 
|---|
| 43 |  S USERNUM=+$P(RECORD,"^",15)
 | 
|---|
| 44 |  I $P(RECORD,"^",16)=""!(USERNUM=0) S Y=-4 Q  ;-4 cannot recode record
 | 
|---|
| 45 |  ;S SIGBLOCK=$$DECODE^PRCUESIG($P(RECORD,"^",8),USERNUM,CHECKSUM)
 | 
|---|
| 46 |  S SIGBLOCK=$P($G(^VA(200,USERNUM,20)),"^",2)
 | 
|---|
| 47 |  S CHECKSUM=$$SUM^PRCUESIG(LEVEL0_"^"_LEVEL1_"^"_$$STRING(RECORD,RECORD1))
 | 
|---|
| 48 |  S $P(RECORD,"^",16)=$$ENCODE^PRCUESIG(SIGBLOCK,USERNUM,CHECKSUM)
 | 
|---|
| 49 |  S $P(RECORD1,"^",12)=$$SUM^PRCUESIG(SIGBLOCK)
 | 
|---|
| 50 |  S ^PRC(442,LEVEL0,11,LEVEL1,0)=RECORD
 | 
|---|
| 51 |  S ^PRC(442,LEVEL0,11,LEVEL1,1)=RECORD1
 | 
|---|
| 52 |  S Y=1
 | 
|---|
| 53 |  Q
 | 
|---|
| 54 | REMOVE(LEVEL0,LEVEL1) ;
 | 
|---|
| 55 |  NEW I,RECORD,RECORD1
 | 
|---|
| 56 |  S RECORD=$G(^PRC(442,LEVEL0,11,LEVEL1,0))
 | 
|---|
| 57 |  S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1))
 | 
|---|
| 58 |  S $P(RECORD,"^",15,16)="^"
 | 
|---|
| 59 |  F I=12,15 S $P(RECORD1,"^",I)=""
 | 
|---|
| 60 |  S ^PRC(442,LEVEL0,11,LEVEL1,0)=RECORD
 | 
|---|
| 61 |  S ^PRC(442,LEVEL0,11,LEVEL1,1)=RECORD1
 | 
|---|
| 62 |  Q
 | 
|---|
| 63 | VERIFY(LEVEL0,LEVEL1) ;verify esig  Returns 1 if valid
 | 
|---|
| 64 |  NEW RECORD,RECORD1,VERSION,SIGBLOCK
 | 
|---|
| 65 |  S RECORD=$G(^PRC(442,LEVEL0,11,LEVEL1,0))
 | 
|---|
| 66 |  S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1))
 | 
|---|
| 67 |  S VERSION=$P(RECORD1,"^",11),SIGBLOCK=$P(RECORD1,"^",12)
 | 
|---|
| 68 |  I VERSION_SIGBLOCK="" Q 1
 | 
|---|
| 69 |  Q ($$SUM^PRCUESIG($$DECODE(LEVEL0,LEVEL1))=SIGBLOCK)
 | 
|---|
| 70 | STRING(X,X1)          ;Build String of critical fields
 | 
|---|
| 71 |  Q $P(X,"^")_"^"_$P(X,"^",3)_"^"_$P(X,"^",5)_"^"_$P(X,"^",12)_"^"_$P(X,"^",14)_"^"_$P(X1,"^",15)
 | 
|---|