$TXT Created by J. at KRNDEV.FO-OAKLAND.DOMAIN.EXT (KIDS) on Friday, 07/18/25 at 12:14 ============================================================================= Run Date: JAN 27, 2026 Designation: XU*8*824 Package : XU - KERNEL Priority: Mandatory Version : 8 SEQ #656 Status: Released Compliance Date: FEB 27, 2026 ============================================================================= Subject: KERNEL API FOR XML DIGITAL SIGNATURE VALIDATION Category: - Other - Routine Description: ============ This patch creates two extrinsic function Application Programmer Interface (API)s: * $$VALIDATESIG^XUDSIGVALIDATE * $$VERIFYCHAIN^XUDSIGVALIDATE The $$VALIDATESSIG^XUDSIGVALIDATE extrinsic function performs digital signature validation on eXtensible Markup Language (XML) documents. The user will input a signed XML document filepath and a public key filepath. The $$VALIDATESIG^XUDSIGVALIDATE extrinsic function validates if the signed XML document was signed with the public key. The API returns 1 if the signed XML document was signed by the public key. Otherwise, the API will return 0. The $$VERIFYCHAIN^XUDSIGVALIDATE extrinsic function is used to verify that the XML document certificate was generated by a specific Certificate Authority (CA). EHRM Impact Statement: ---------------------- This patch should have no EHRM impact, and can be installed at all sites, including EHRM converted sites. Patch Components: ----------------- Files & Fields Associated: File Name (Number) Field Name (Number) New/Modified/Deleted ------------------ ------------------- -------------------- N/A Forms Associated: Form Name File Number New/Modified/Deleted --------- ----------- -------------------- N/A Mail Groups Associated: Mail Group Name New/Modified/Deleted --------------- -------------------- N/A Options Associated: Option Name Type New/Modified/Deleted ----------- ---- -------------------- N/A Protocols Associated: Protocol Name New/Modified/Deleted ------------- -------------------- N/A Security Keys Associated: Security Key Name ----------------- N/A Templates Associated: Template Name Type File Name (Number) New/Modified/Deleted ------------- ---- ------------------ -------------------- N/A Remote Procedures Associated: Remote Procedure Name New/Modified/Deleted --------------------- -------------------- N/A Parameter Definitions Associated: Parameter Name New/Modified/Deleted -------------- -------------------- N/A Additional Information: ----------------------- New Service Requests (NSRs): N/A Patient Safety Issues (PSIs): N/A Defect Tracking System Ticket(s) & Overview: N/A Test Sites: Change Order #: --------------------------------------- Iron Mountain, MI CHG0643806 Phoenix, AZ CHG0641261 Saginaw, MI CHG0641118 Software and Documentation Retrieval Instructions: -------------------------------------------------- The software for this patch is being released in a PackMan message. Documentation describing the new functionality is included in this release. Documentation can be found on the VA Software Documentation Library at: https://www.domain.ext/vdl/. Documentation can also be obtained at https://download.vista.domain.ext/index.html/SOFTWARE. Documentation Title File Name --------------------------------------------------------------------- Kernel 8.0 Developer's Guide: KRN_8_0_DG_MISCELLANEOUS_UG.DOCX Miscellaneous User Guide KRN_8_0_DG_MISCELLANEOUS_UG.PDF Kernel 8.0 and Kernel Toolkit 7.3 KRN_8_0_TM.PDF Technical Manual KRN_8_0_TM.DOCX Patch Installation: ------------------- Pre/Post Installation Overview: There are no Pre/Post installation routine processes. Pre-Installation Instructions: This patch may be installed with users on the system, although it is recommended that it be installed during non-peak hours to minimize potential disruption to users. This patch should take less than 5 minutes to install. Installation Instructions: 1. Choose the PackMan message containing this build. Then select the INSTALL/CHECK MESSAGE PackMan option to load the build. 2. From the Kernel Installation and Distribution System Menu, select the Installation Menu. From this menu, A. Select the Verify Checksums in Transport Global option to confirm the integrity of the routines that are in the transport global. When prompted for the INSTALL NAME enter the patch or build name. XU*8.0*824 NOTE: Using will not bring up a Multi-Package build even if it was loaded immediately before this step. It will only bring up the last patch in the build. B. Select the Backup a Transport Global option to create a backup message. You must use this option and specify what to backup; the entire Build or just Routines. The backup message can be used to restore the routines and components of the build to the pre-patch condition. i. At the Installation option menu, select Backup a Transport Global ii. At the Select INSTALL NAME prompt, enter your build XU*8.0*824 iii. When prompted for the following, enter "R" for Routines or "B" for Build. Select one of the following: B Build (including Routines) R Routines Only Backup Type: B// iv. When prompted "Do you wish to secure your build? NO//", press and take the default response of "NO". v. When prompted with, "Send mail to: Last name, First Name", press to take default recipient. Add any additional recipients. vi. When prompted with "Select basket to send to: IN//", press and take the default IN mailbox or select a different mailbox. C. You may also elect to use the following options: i. Print Transport Global - This option will allow you to view the components of the KIDS build. ii. Compare Transport Global to Current System - This option will allow you to view all changes that will be made when this patch is installed. It compares all of the components of this patch, such as routines, DDs, templates, etc. D. Select the Install Package(s) option and choose the patch to install. i. If prompted 'Want KIDS to Rebuild Menu Trees Upon Completion of Install? NO//', answer NO. ii. When prompted 'Want KIDS to INHIBIT LOGONs during the install? NO//', answer NO. iii. When prompted 'Want to DISABLE Scheduled Options, Menu Options, and Protocols? NO//', answer NO. Post-Installation Instructions: N/A Back-Out/Roll Back Plan: ------------------------ To rollback/backout this patch, a. Use MailMan menu to locate the PackMan message containing the backup build. The subject of the PackMan message begins with "Backup of XU*8.0*824". Use the PackMan message action XTRACT KIDS. Use the INSTALL/CHECK MESSAGE option to load it. b. (Optional) Use KIDS menu Verify Checksums in Transport Global [XPD PRINT CHECKSUM] option to verify the checksums of the backup build to make sure it is the correct version before installing it. c. Use KIDS menu to install the backup KIDS distribution using the Install Package(s) [XPD INSTALL BUILD] option. If assistance is needed to rollback/backout the patch, please log a SNOW ticket so the development team can assist. Routine Information: ==================== The second line of each of these routines now looks like: ;;8.0;KERNEL;**[Patch List]**;Jul 10, 1995;Build 11 The checksums below are new checksums, and can be checked with CHECK1^XTSUMBLD. Routine Name: XUDSIGVALIDATE Before: n/a After: B40261430 **824** ============================================================================= User Information: Hold Date : APR 15, 2025 Entered By : Date Entered : APR 01, 2025 Completed By: Date Completed: JAN 23, 2026 Released By : Date Released : JAN 27, 2026 ============================================================================= Packman Mail Message: ===================== $END TXT