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SDF Release Notes

※ Last updated: 2025-12-29

◈I16 - SDF License (Identifier) Secondary Planning and Others (Completed)​

Period: 2025.12.22-2026.01.02

  1. Planning
  • SDF Standalone License & Web Console Planning Document (Completed/Detailed Planning Scheduled)
    • Completed PPT on SDF Identifier-Based License Structure Design:SHIELD Drive link
    • Development review in progress
  • Planning and development of SDF conditional policy addition (scheduled)
    • Multi-server support (adding document security server cards, etc.)
  1. Development
  • Development of SDF Conditional Policy Feature Addition (Planned)
    • C/S/O grade policy and other improvements

◈I15 - SDF License (Identifier) First Planning (Completed)​

Period: 2025.12.08-2025.12.19

  1. Planning
  • SDF Standalone Web Console Planning
    • SDF License Planning
  • Planning to add SDF conditional policies (scheduled)
    • Multi-server support (adding document security server cards, etc.)
  1. Development
  • Development of SDF Conditional Policy Feature Addition (Planned)
    • C/S/O grade policy and other improvements

◈I14 - SDF APP Release (Completed)​

Period: 2025.11.24-2025.12.05

  1. Planning
  • SDF APP Release (Completed)
    • Release completion and announcement on December 02 (Tuesday)
    • Release version: 2025.11
  1. Development
  • Development of SDF Conditional Policy Feature Added (Completed)
    • Added JSON editor feature (completed)

◈I13 - SDF APP Release Phase 3 and Web Console Planning, etc. (Completed)​

Period: 2025.11.10-2025.11.21

  1. Planning
  • SDF APP Release 3rdSchedule Delay: November Release Goal)
    • Linux Version (Completed)
    • Windows Version (Completed)
    • Release Request and Test Case Creation (Completed)
  1. Development
  • Development of SDF Conditional Policy Feature Addition (Planned)
    • C/S/O grade policy and other improvements

◈I12 - SDF APP Release 2nd and Conditional Policy Development etc. (Completed)​

Period: 2025.10.27-2025.11.07

  1. Planning
  • SDF APP Release 2ndSchedule Delay: November Release Goal)
    • Linux Version (Completed)
    • Windows Version (Completed)
    • Release Request and Test Case Creation(In Progress)
  1. Development
  • SDF Container Installation Packaging (Completed)

◈I11 - Development of SDF Conditional Policies and Rating Policies, etc. (Completed)​

Period: 2025.10.13-2025.10.24

  1. Planning / Development
  • SDF APP Release Phase 1 (October Release Goals)
    • Linux Version (Completed)
    • Windows Version (Completed)
  • Development of SDF Conditional Policy Feature Addition
    • C/S/O grade policy and other improvements
  1. Planning
  • idocs document organization :link

◈I10 - SDF APP Environment Update and Release Preparation, etc. (Completed)​

Period: 2025.09.15-2025.10.03

  1. Planning
  • Collection and organization of materials related to SDF APP upgrade
    • Image Update, Testing, Environment Setup
    • Update the link idocs after refreshing the PPT document related to the SDF APP.
      • Document Item
        • Pre-check Guide (Network, Firewall, Hyper-V Environment Checklist)
        • Installation Guide (How to Download and Distribute Harbor Images)
        • API Specification
    • A release meeting is scheduled to take place according to the completion timeline, and the schedule will be adjusted afterward.
  • Note: After the completion of the SDF APP release before Chuseok (goal), the development of conditional policies and management console is scheduled to begin in earnest after Chuseok.
  1. 4Q Roadmap
  • Development of SDF Conditional Policy Feature Addition (Planned)
    • C/S/O grade policy and other improvements (additional development planned)
    • Conditional Policy Field Restructuring
    • Add fields related to document properties
    • Add execution policy content
  • SDF Standalone Management Console (Dashboard, Info Slide, Log Page)
  • Original Document Save Function
    • Add option to save to local NAS storage as original document or copy.
  • log
    • Error log + Event log collection
  • Error Type Definition for SDF File Conversion + Development of Request Value Return API
  • SDF APP Redundancy Plan (Needs Confirmation)
  • Implementation of On-Premises ↔ SaaS Transition Functionality in Case of Key Vault Failure (LG Uplus | Confirmation Required)
  • Development of SDF APP COM DLL supported version (to be carried out after separate consultation)
  • CS Linker → SDF Windows Enhancement Work in Progress

I9 - Development of SDF Conditional Policy and Rating Policy and 2 other items (Completed/Development Delayed)​

  • Period: 25.08.21 ~ 25.09.12

New​

1. Development of additional conditional policy features for SDF​

  • Development of C/S/O grade policies and other improvements.
  • Conditional Policy Field Restructuring
  • Add fields related to document properties
  • Add execution policy content
  • Sharing and Posting Information Related to Upgrading Docker-Based SDF APP

Improvement​

1. Additional improvements to the SDF error log representation method​

  • Improvement of the existing SDF error log representation method with a focus on UX

◈ I8 - SDF Management Console and Conditional Policy Planning and 2 Other Items (Completed)​

  • Period: 25.08.04 ~ 25.08.20

Improvement​

1. License Policy Improvement Planning​

  • Improvement of license policy based on identifier by introducing the concept of identifier on the existing work system URL-based.
  • Include the identifier ID as a required parameter value in all document conversion API calls. Ensure document traceability and visibility at the identifier level.

2. Planning for Adding Conditional Policies​

  • Add condition values related to document concealment information, C/S/O grade, etc. for the query event API.
  • When selecting the target document, set the target document in more detail based on the corresponding event.

3. SDF Key Vault Elasticsearch Data Cleanup​

  • Improvement of disk space increase issue due to accumulated stored key vault values in Elasticsearch
  • Keep only the latest key vault values, automatically delete after 3 days of basic storage.

◈ I7 - Development of permission retention feature for document decryption and encryption after DRM, and 2 other items (Completed)​

  • Period: 25.07.07 ~ 25.07.31

New​

1. DRM Document Header Update API Field Expansion and Improvement of Permission Retention After Decryption​

  • Extend the existing document header update API to reflect additional fields such as RUI besides SFI.
  • Even after decrypting and re-encrypting, the existing DRM document header information and permissions are maintained.

2. Development and Application of Conditional Policy Front Page for SDF APP​

  • Add Conditional Policy Creation UI: Policy name, target user/system, document type can be set.
  • Policy Branching by Document Type: General/DRM/AIP Document Encryption/Decryption/Encapsulation Export Condition Settings
  • Event-driven execution: Encryption, decryption, plaintext, export of encapsulation generation, etc. can be specified.
  • Setting Conditions: Time and location-based policy enforcement available
  • Permission and Hidden Information Settings: Print, view count, validity period, support for inserting metadata
  • Usage and Expiration Management

3. Development of C/S/O Grade Inquiry and Application API Specification​

  • Retrieving and Applying Rating Information for General Documents

3. Enhancement of SDF Integrated Log Functionality​

  • Planning for Log Enhancement Features for Audit and InfoLineage Implementation
    • In addition to user information, calling system, and event type, add items for changes in document security levels (C/S/O) and document flow tracking.
    • Establishing a direction for improving log structure to enable history retrieval and visualization when integrating the unified log system in the future.

◈ I6 - SDF APP Docker image packaging and updates, among 3 other items (Completed)​

  • Period: 25.06.02 ~ 25.06.30

New​

1. Docker Image Testing and Environment Setup​

  • Test completed​
    • Ubuntu / CentOS:
    • RedHat / Debian
  • Technical documentation on the SDF APP update procedure
  • Summary and Calculation of Recommended Specifications for Installing and Operating SDF APP
  • SDF APP Release Request Document Preparation

Improvement​

1. Improvement of Microsoft Sensitivity Label Auto-Assignment Method​

  • Improvement to automatically apply Microsoft Information Protection (MIP) based sensitivity labels even when the AssignmentMethod is set to auto.
  • Support for the feature to work correctly on built-in pages as well.

◈ I5 - SDF APP Conditional Policy Planning (Completed)​

  • Period: 25.05.19 ~ 25.05.30

New​

1. Change in Policy Operation Structure​

  • AS-IS: Embedded policy decision logic in SDF Container
  • TO-BE: Endec service executes after evaluating the conditional query on ZTCAP.

2. Review of Advanced API-Based Conditional Access Policies​

  • AS-IS: All APIs are executed in the same way without exception.
  • TO-BE: Review the transition to a ZTCAP-based policy structure that determines execution based on conditions such as user, location, and grade according to the functionality of each API.

◈ I4 - SDF APP Option Feature Additional Development (Completed)​

  • Period: 25.05.08 ~ 25.05.16

New​

1. Added AIP document decryption feature​

  • Add functionality to decrypt AIP documents in the same way as DRM documents.
  • Support for AIP document decryption with the same process as DRM document decryption functionality

2. Add DRM Encryption Bypass Feature to AIP Document​

  • When encrypting with DRM, ensure that documents already encrypted with AIP by Microsoft are not double encrypted.
  • Implement functionality to automatically exclude AIP documents from the DRM encryption process.

◈ I3 - Implementation of SDF App features and development of SDF container (Completed)​

  • Period: 25.03.03 ~ 25.04.29

New​

1. SDF App integration development completed​

  • Integration of existing service linker (scsl.jar) features
  • Transition to an executable JAR-based single app structure
  • During integration testing

2. Implementation of Core Features​

  • Support for MAC/DAC Method Document Encryption and Decryption
  • Priority implementation of 21 key features for live services
  • Includes AIP integration features and hidden information (RUI/SFI) extraction features.

3. Advancement of Security Policies​

  • Setting the GRADE Expiration Date
  • User/Group Permission Control
  • Added AccessClassID setting feature
  • Automatic Registration of GRADE Classification When Integrating EKMS

4. Strengthening Operational Diagnosis Functionality​

  • Check Encryption Status
  • Key Existence Check
  • Check Key File Status
  • Addition of Keybolt Server ID Retrieval API

5. Improvement of Policy Maintenance Features​

  • Header Information Update Feature
  • Add Re-encryption Logic

6. Ensuring System Interoperability​

  • Applying the latest version of scsl.jar and AIP SDK
  • existing service linker featurePerformed on the new server (SDF container)
  • Implementation of 5 feature APIs in the first phase, subsequent feature expansion
  • When making an API requestLicense key and required information input needed

◈ I2 - ServiceLinker API Information Collection and SDF App Prototype Development (Completed)​

  • Period: 2025.02.03 ~ 2025.02.28

New​

1. SDF App Prototype Development​

  • SDF Container ▶ Remove existing scsl.jar and add as class
  • SDF App ▶ Development of prototype SDK for interface in the form of scsl.jar
2. Collecting Function API Information While Using ServiceLinker​
  • Verification of ServiceLinker function names used in the current work system for the development of alternative solutions to ServiceLinker
    • Types of Application Service Linkers
    • Processing Method
    • Function name, etc.

◈ I1 - SDF App Architecture Detailed Design and Identification of Improvement Items (Completed)​

  • Period: 2025.01.20 ~ 2025.01.31

New​

1. SDF App Architecture Detailed Design​

  • Development of a replacement product for ServiceLinker used in the existing business system
    • new scsl.jar
      • Configuration identical to the existing scsl.jar interface
      • Call SDF linker on each function call
    • Reference link

Improvement​

1. Application of SDF in the Company​

  • Identification of Services Requiring Application
    • SHIELDRM
    • SHIELDrive : EDO, DRM Broker, BackEnd(EKMS)
      • DRM Broker ▶ SDF Container (1Q Goal)
    • Approval Export System:MIP SDK
      • MIP SDK ▶ SDF App (1Q Goal)
    • SHIELD Mail : PEP
    • SHIELDViewer