init: Air780EPM 官方 LuatOS 项目代码基线

- 来源: 合宙 LuatOS 官方仓库 air780epm 模块完整代码 - 路径: luatos/air780epm/module/Air780EPM/demo 含官方 demo(含 mqtt/mqtts/socket/uart 等) - 后续: 基于 demo 开发 UART<->MQTT 数据上报功能
2026-08-31 08:53:49 +08:00
commit 173dd6874f
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+--[[
+@module  gmssl_sm4
+@summary gmssl_sm4 
+@version 1.0
+@date    2025.10.29
+@author  沈园园
+@usage
+本文件为gmssl sm4应用功能模块，核心业务逻辑为：
+1、演示国密sm4加密和解码的应用；
+
+本文件没有对外接口，直接在main.lua中require "gmssl_sm4"就可以加载运行；
+]]
+
+
+local function gmssl_sm4_task_func()
+
+    if gmssl.sm4encrypt then
+        log.info("=== SM4测试")
+        local passwd = "1234567890123456"
+        local iv = "1234567890666666"
+        -- SM4 算法, 对称加密
+        originStr = ">>SM4 ECB ZeroPadding test<<"
+        --加密模式：ECB；填充方式：ZeroPadding；密钥：1234567890123456；
+        encodeStr = gmssl.sm4encrypt("ECB", "ZERO", originStr, passwd)
+        log.info("sm4.ecb.zero", "加密后", string.toHex(encodeStr))
+        log.info("sm4.ecb.zero", "解密后", gmssl.sm4decrypt("ECB","ZERO",encodeStr,passwd))
+
+        originStr = ">>SM4 ECB Pkcs5Padding test<<"
+        --加密模式：ECB；填充方式：Pkcs5Padding；密钥：1234567890123456；
+        encodeStr = gmssl.sm4encrypt("ECB", "PKCS5", originStr, passwd)
+        log.info("sm4.ecb.pks5", "加密后", string.toHex(encodeStr))
+        log.info("sm4.ecb.pks5", "解密后", gmssl.sm4decrypt("ECB","PKCS5",encodeStr,passwd))
+
+        originStr = ">>SM4 CBC Pkcs5Padding test<<"
+        --加密模式：CBC；填充方式：Pkcs5Padding；密钥：1234567890123456；偏移量：1234567890666666
+        encodeStr = gmssl.sm4encrypt("CBC","PKCS5", originStr, passwd, iv)
+        log.info("sm4.cbc.pks5", "加密后", string.toHex(encodeStr))
+        log.info("sm4.cbc.pks5", "解密后", gmssl.sm4decrypt("CBC","PKCS5",encodeStr,passwd, iv))
+
+        -- 完全对齐16字节的对比测试
+        originStr = "1234567890123456"
+        encodeStr = gmssl.sm4encrypt("ECB","PKCS7",originStr,passwd)
+        log.info("sm4.ecb.pkcs7", encodeStr:toHex())
+        encodeStr = gmssl.sm4encrypt("ECB","PKCS5",originStr,passwd)
+        log.info("sm4.ecb.pkcs5", encodeStr:toHex())
+        encodeStr = gmssl.sm4encrypt("ECB","ZERO",originStr,passwd)
+        log.info("sm4.ecb.zero", encodeStr:toHex())
+        encodeStr = gmssl.sm4encrypt("ECB","NONE",originStr,passwd)
+        log.info("sm4.ecb.none", encodeStr:toHex())
+    end
+end
+
+sys.taskInit(gmssl_sm4_task_func)