source: FOIAVistA/tag/r/IFCAP-PRC-PRX--PRCA--PRCN/PRCHES3.m@ 897

Last change on this file since 897 was 628, checked in by George Lilly, 15 years ago

initial load of FOIAVistA 6/30/08 version

File size: 2.2 KB
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1PRCHES3 ;WISC/RHD/AKS-ESIG MAINTENANCE ROUTINE ;3/18/93 12:49
2V ;;5.1;IFCAP;;Oct 20, 2000
3 ;Per VHA Directive 10-93-142, this routine should not be modified.
4 ;ROUTINE FOR MAINTAINING SUBFIELD 19.4 (LCS ELEC. SIG)
5 ; FIELD .6 (PARTIAL), FILE 442
6DECODE(LEVEL0,LEVEL1) ;return esig to readable form
7 ;returns "" if unsuccessful
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=$P(RECORD1,"^",13)
12 S PERSON=+$P(RECORD1,"^",3)
13 I VERSION'="",VERSION'=1 Q ""
14 S SIG=$P(RECORD1,"^",4)
15D1 ;decode e signature for version 1
16 S CHECKSUM=$$SUM^PRCUESIG(LEVEL0_"^"_LEVEL1_"^"_$$STRING(RECORD,RECORD1))
17 Q $$DECODE^PRCUESIG(SIG,PERSON,CHECKSUM)
18ENCODE(LEVEL0,LEVEL1,USERNUM,Y) ;Encode e signature for version 1 only
19 NEW RECORD,RECORD1,SIGBLOCK,CHECKSUM,OLDUSER
20 S USERNUM=+USERNUM
21 I USERNUM=0 S Y=-3 Q ;-3 no user number available for filing
22 S SIGBLOCK=$P($G(^VA(200,USERNUM,20)),"^",2)
23 I SIGBLOCK="" S Y=-2 Q ;-2 no signature block
24 S RECORD=$G(^PRC(442,LEVEL0,11,LEVEL1,0))
25 S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1))
26 I RECORD="" S Y=-1 Q ;-1 no 2237 record
27 I $P(RECORD1,"^",4)'="" S Y=-4 Q ;-4 cannot re-sign record
28 S OLDUSER=+$P(RECORD1,"^",3)
29 I OLDUSER=0 S $P(RECORD1,"^",3)=USERNUM
30 I OLDUSER>0 S USERNUM=OLDUSER
31 S:$P(RECORD1,"^",5)="" $P(RECORD1,"^",5)=$$NOW^PRCUESIG
32 S CHECKSUM=$$SUM^PRCUESIG(LEVEL0_"^"_LEVEL1_"^"_$$STRING(RECORD,RECORD1))
33 S $P(RECORD1,"^",4)=$$ENCODE^PRCUESIG(SIGBLOCK,USERNUM,CHECKSUM)
34 S $P(RECORD1,"^",13,14)="1^"_$$SUM^PRCUESIG(SIGBLOCK)
35 S ^PRC(442,LEVEL0,11,LEVEL1,1)=RECORD1
36 S Y=1 Q
37REMOVE(LEVEL0,LEVEL1) ;Entry point to remove esig
38 NEW I,RECORD1
39 S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1)) Q:RECORD1=""
40 F I=3,4,5,14 S $P(RECORD1,"^",I)=""
41 S ^PRC(442,LEVEL0,11,LEVEL1,1)=RECORD1
42 Q
43VERIFY(LEVEL0,LEVEL1) ;extrinsic function to verify version 1 esig Returns 1 if valid
44 NEW RECORD,RECORD1,VERSION,SIGBLOCK
45 S RECORD=$G(^PRC(442,LEVEL0,11,LEVEL1,0))
46 S RECORD1=$G(^PRC(442,LEVEL0,11,LEVEL1,1))
47 S VERSION=$P(RECORD1,"^",13),SIGBLOCK=$P(RECORD1,"^",14)
48 I VERSION_SIGBLOCK="" Q 1
49 Q ($$SUM^PRCUESIG($$DECODE(LEVEL0,LEVEL1))=SIGBLOCK)
50STRING(X,X1) ;Build String of critical fields
51 Q $P(X,"^")_"^"_$P(X1,"^",5)
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