SM2算法 opengssl关键函数

根据提供的引用内容，关于SM2算法的关键函数，没有提到具体的openssl关键函数。因此，无法提供关于SM2算法在openssl中的关键函数信息。如果您需要使用SM2算法，您可以参考《GMT 0003.4-2012 SM2椭圆曲线公钥密码算法》的规定，或者查阅openssl文档以获取相关函数的信息。
#### 引用[.reference_title]
- *1* [国密SM2算法密钥派生函数KDF的实现](https://blog.csdn.net/deng214/article/details/80345570)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *2* [SM2算法概述](https://blog.csdn.net/vincy_yeha/article/details/120690341)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
- *3* [SM2算法](https://blog.csdn.net/m0_57291352/article/details/123693837)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item]
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