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Nov 7, 2026 · Information Security

China's Guomi Cryptographic Algorithms: SM1, SM2, SM3, SM4 Explained with Comparisons and Use Cases

This article details China's national cryptographic algorithms (SM1, SM2, SM3, SM4), their design principles, operational mechanisms including key exchange and digital signatures, performance comparisons with DES, AES, RSA, and SHA standards, and deployments in AD-WAN and 4G/5G VPDN networks.