GB/T 27929-2025 in English

This standard outlines the requirements for using symmetric encryption technology to ensure message authentication in financial services. It provides guidelines on the implementation of encryption methods to secure data transmission and enhance the integrity of financial communications. The standard covers aspects such as key management, encryption algorithms, and authentication processes. It also specifies the necessary procedures for verifying the authenticity of messages exchanged within the financial sector. Additionally, it addresses the technical specifications and operational practices required to maintain secure and reliable financial transactions. The standard aims to ensure consistency and interoperability across different systems and platforms involved in financial services.