feat: The hmac-auth plugin supports HMAC authentication with the SM3 national cryptographic algorithm.

[fanchangjifen]

Description

Currently, the hmac-auth plugin supports Hmac-sha1, Hmac-sha256, and Hmac-sha512 algorithms. We hope to support the Hmac-sm3 national cryptographic hash-based message authentication code algorithm.Meanwhile, openssl3.x already supports the implementation of the SM algorithm.

[fanchangjifen]

The current version of APISIX is built based on OpenSSL 3.x and includes the lua-resty-openssl module. On this basis, the dependency of the HMAC algorithm in the hmac-auth plugin has been modified to enable the plugin to support the HMAC-SM3 message authentication code algorithm.