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What's New

The following tables describe the latest updates in the Kunpeng BoostKit for Confidential Computing TrustZone Kit documentation. New features are released after being verified.

December 2025

No.

Update

Description

Document

1

Updated the documents.

Resolved version incompatibility issues for itrustee_tzdriver and itrustee_client.

September 2025

No.

Update

Description

Document

1

Updated the documents.

Removed the cgroup trustlists feature.

April 2025

No.

Update

Description

Document

1

Updated the documents.

Resolved the incompatibility between the confidential OS and iTrustee secure storage files.

December 2024

No.

Update

Description

Document

1

Updated the documents.

Updated the open source XZ Utils vulnerability.

July 2024

No.

Update

Description

Document

1

Updated the document content.

Fixed the open source OpenSSL and cJSON vulnerabilities.

June 2024

No.

Update

Description

Document

1

Updated the document content.
  • Added the TA image encryption function and the secure storage function with SM algorithms.
  • Added support for SM4-based hardware acceleration.
  • Optimized the multi-core performance of the TEE OS.
  • Optimized the display of the TEE OS CPU usage in the REE.

January 2024

No.

Update

Description

Document

1

Updated the document content.
  • Optimizing secure storage performance for confidential computing
  • Providing the remote attestation QCA demo for TA deployment in containers
  • Upgrading confidential computing on the Tianchi motherboard

2

Removed some documents.

Removed related documents since the iteration of the confidential OS does not continue and the support for high-level language Java and Python applications is not maintained any more.
  • Confidential Computing TrustZone Kit Java Developer Guide
  • Confidential Computing TrustZone Kit Python Developer Guide

July 2023

No.

Update

Description

Document

1

Added the documents.

Added the high-level language application development guides, which provide guidance for compiling Java and Python applications using the confidential OS SDK.
  • Confidential Computing TrustZone Kit Java Developer Guide
  • Confidential Computing TrustZone Kit Python Developer Guide

2

Updated the document content.

Added the support for high-level languages and confidential containers.

May 2023

No.

Update

Description

Document

1

Updated the document content.

Fixed the security vulnerabilities related to the third-party component OpenSSL.

February 2023

No.

Update

Description

Document

1

Updated the document content.

Added necessary build parameters to the TEE OS build command.

December 2022

No.

Update

Description

Document

1

Updated the document content.
  • Added the Attestation Service (AS) content to "TA Remote Attestation" and the CRL import content to "TA Certificate Import" in the Technical White Paper.
  • Added the description of checking whether the TrustZone firmware is preconfigured on the server to the Feature Guide and adjusted the document structure.
  • In the Acceptance Test Guide, added the zero-copy test case to "Transferring Secure OS Shared Memory Parameters" and the "Importing CRL Lists" and "SMEE Memory Encryption and Decryption" test cases to "Importing the TA Level-2 CA Certificate".

November 2022

No.

Update

Description

Document

1

Added Confidential Computing TrustZone Kit documents of earlier versions.

Added the Version Mapping, guide pages for historical versions, and documents of historical versions.

Guide pages for historical versions

July 2022

No.

Update

Description

Document

1

Updated the document content.
  • Added descriptions about TA certificate import and remote attestation to the Technical White Paper.
  • Added descriptions about compilation of the rsa-demo TA, remote/local attestation, TA level-2 certificate import, and SmartKit tool to the Feature Guide.
  • Added the itrustee_tzdriver and kunpengsecl software test environments, TA remote attestation, TA local attestation, and level-2 CA certificate import test cases to the Acceptance Test Guide.

2

         

April 2022

No.

Update

Description

Document

1

Optimized document types.
  • Changed the Deployment Guide to a Feature Guide, and added the feature description, security management, and troubleshooting cases.
  • Changed the RSA Demo User Guide to an RSA Demo Developer Guide, and added the API Reference.

2

Added the Acceptance Test Guide.

Provided test cases for security features, secure OS functions, and performance to verify TrustZone.

Kunpeng BoostKit for Confidential Computing TrustZone Kit Acceptance Test Guide

January 2022

No.

Update

Description

Document

1

Introduced the Kunpeng BoostKit for Confidential Computing TrustZone Kit.

TrustZone is a security extension technology based on the standard Arm architecture. It has an additional trusted execution environment (TEE), and its original execution environment is called rich execution environment (REE). The two environments are isolated from each other in the chip architecture to ensure the applications running in the TEE are secure and trusted. TrustZone resolves the security issue of in-use data.