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cryptokit-soft-hsm
CryptoKit SoftHSM is a software-based cryptographic device simulator that implements the GM/T 0018-2023 SDF interface using SDFX and openHiTLS, offering Docker deployment, web management, and Windows SDK for development and testing.
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NOASSERTION
Last updated
2026-07-30
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FR-AI / ANALYSISWhy it is worth attention
It provides a free, open-source, and portable alternative to expensive hardware HSMs for testing Chinese national cryptographic algorithms (SM2, SM3, SM4) and SDF API compatibility, with a comprehensive web management interface and role-based access control.
Who it is for
- Developers integrating Chinese cryptographic standards (GM/T) into applications
- Testers needing a simulated HSM for SDF API interoperability testing
- Educators and students learning cryptographic operations and HSM management
- System administrators evaluating HSM functionality without physical hardware
Use cases
- Developing and debugging applications that use SM2/SM4/RSA via SDF API
- Testing SDF API compliance and integration before hardware deployment
- Teaching cryptographic concepts and HSM administration in a controlled environment
- Performing automated end-to-end tests with cryptographic operations and key management
Strengths
- Fully implements the GM/T 0018-2023 SDF API with a clear API matrix, returning SDR_NOTSUPPORT for unsupported functions
- Includes a Dockerized server with persistent storage and a Windows x64 SDK for cross-platform development
- Provides a web management interface with four role-based access levels, online self-tests, audit logging, and backup/restore
- Supports SM2, SM3, SM4, RSA, and symmetric key operations with session-level access control and HMAC-SM3 integrity protection
Considerations
- Not certified for production use; lacks commercial cryptographic product certification and hardware tamper resistance
- TCP service and web management operate over plain HTTP without TLS; recommended only for controlled networks
- Backup files are not encrypted as a whole; requires additional access control or storage encryption
- Does not implement all GM/T 0018 APIs, notably ECC key agreement, SM4-GCM, and stream cipher operations
README quick start
快速开始
Description
CryptoKit SoftHSM 是一套基于 SDFX 和 openHiTLS 的 GM/T 0018-2023 SDF 接口兼容软件密码设备模拟器。项目提供Docker 服务端、内置 Web 管理端，以及通过 TCP 调用服务端的 Windows x64 SDF C SDK。
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