Expired65% confidenceFactExact time
In the case study, the target website's interface POST request carries parameters such as abcode and data, using a national cryptography system combining SM2 asymmetric encryption and SM4 symmetric encryption.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/18/2026
First Seen
Valid until: 10/16/2026(expired)
Sources
Related Claims
UnverifiedWhen SM2 and SM4 are used in combination, SM2 is responsible for securely transmitting the SM4 key while SM4 is responsible for efficiently encrypting the actual data, forming a hybrid encryption architecture74% similarUnverifiedSM2 and SM4 are commercial cryptographic standards formulated by the State Cryptography Administration of China.71% similarUnverifiedWoW's network traffic is encrypted, and decryption requires extracting keys from the client's runtime memory.69% similarUnverifiedModern web applications typically encrypt key parameters before sending requests—for example, encrypting the request body using AES/RSA algorithms, or concatenating timestamps, random numbers, and user IDs before computing an MD5/SHA hash as a signature.69% similar
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