Initial commit: CCU621_M firmware project with BLE debug link support.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-08 17:28:36 +08:00
commit 9ceb218f80
1597 changed files with 724159 additions and 0 deletions
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+/*
+ * Copyright (C) 2015-2018 Alibaba Group Holding Limited
+ */
+
+
+
+
+#ifndef _INFRA_MD5_H_
+#define _INFRA_MD5_H_
+
+#include "infra_types.h"
+
+typedef struct {
+    uint32_t total[2];          /*!< number of bytes processed  */
+    uint32_t state[4];          /*!< intermediate digest state  */
+    unsigned char buffer[64];   /*!< data block being processed */
+} iot_md5_context;
+
+/**
+ * \brief          Initialize MD5 context
+ *
+ * \param ctx      MD5 context to be initialized
+ */
+void utils_md5_init(iot_md5_context *ctx);
+
+/**
+ * \brief          Clear MD5 context
+ *
+ * \param ctx      MD5 context to be cleared
+ */
+void utils_md5_free(iot_md5_context *ctx);
+
+/**
+ * \brief          Clone (the state of) an MD5 context
+ *
+ * \param dst      The destination context
+ * \param src      The context to be cloned
+ */
+void utils_md5_clone(iot_md5_context *dst,
+                     const iot_md5_context *src);
+
+/**
+ * \brief          MD5 context setup
+ *
+ * \param ctx      context to be initialized
+ */
+void utils_md5_starts(iot_md5_context *ctx);
+
+/**
+ * \brief          MD5 process buffer
+ *
+ * \param ctx      MD5 context
+ * \param input    buffer holding the  data
+ * \param ilen     length of the input data
+ */
+void utils_md5_update(iot_md5_context *ctx, const unsigned char *input, uint32_t ilen);
+
+/**
+ * \brief          MD5 final digest
+ *
+ * \param ctx      MD5 context
+ * \param output   MD5 checksum result
+ */
+void utils_md5_finish(iot_md5_context *ctx, unsigned char output[16]);
+
+/* Internal use */
+void utils_md5_process(iot_md5_context *ctx, const unsigned char data[64]);
+
+/**
+ * \brief          Output = MD5( input buffer )
+ *
+ * \param input    buffer holding the  data
+ * \param ilen     length of the input data
+ * \param output   MD5 checksum result
+ */
+void utils_md5(const unsigned char *input, uint32_t ilen, unsigned char output[16]);
+
+void utils_hmac_md5(const char *msg, int msg_len, char *digest, const char *key, int key_len);
+
+#endif
+