Core Insights - A total of 55 mainstream authentication SDKs have been adapted to HarmonyOS 5, covering key scenarios such as digital signatures, identity authentication, and electronic certificates, enabling developers to focus on product innovation and user experience enhancement [1] Group 1: Digital Authentication SDKs - The Digital Authentication Collaborative Signature SDK provides compliant and secure mobile login authentication and digital signatures in medical and e-government scenarios, adhering to electronic signature laws and cybersecurity regulations [2] - Shanghai CA has formed a dedicated technical team to advance HarmonyOS adaptation, completing core SDK adaptations for digital card packages and identity authentication in government sectors within three months, achieving a 40% improvement in key management efficiency [3] - The Tianwei Integrity Mobile Shield SDK enables electronic signatures through smart mobile applications without physical media, utilizing security technologies like key splitting and collaborative computing to match the security level of traditional USB keys [4] Group 2: Additional SDKs - The Unicom CA SDK integrates digital certificate management and national cryptography algorithms (SM2/SM4), providing efficient security capabilities for various fields such as bidding, finance, healthcare, and government, ensuring user identity authenticity and data transmission integrity [5] - The CFCA Mobile Shield SDK, developed by the China Financial Certification Authority, serves as a platform for mobile digital certificate application, download, and usage, ensuring legal validity for digital signatures and authentication services [6] - Over 780 HarmonyOS ecosystem partner SDKs have been released, covering 21 fields including customer service, media, and payment, laying a solid foundation for developers to efficiently build quality HarmonyOS applications [6]