hmac_md5.h

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#pragma once
 
#include "esphome/core/defines.h"
#ifdef USE_MD5
#include "esphome/components/md5/md5.h"
#include <string>
 
namespace esphome {
namespace hmac_md5 {
 
class HmacMD5 {
 public:
  HmacMD5() = default;
  ~HmacMD5() = default;
 
  void init(const uint8_t *key, size_t len);
  void init(const char *key, size_t len) { this->init((const uint8_t *) key, len); }
  void init(const std::string &key) { this->init(key.c_str(), key.length()); }
 
  void add(const uint8_t *data, size_t len);
  void add(const char *data, size_t len) { this->add((const uint8_t *) data, len); }
 
  void calculate();
 
  void get_bytes(uint8_t *output);
 
  void get_hex(char *output);
 
  bool equals_bytes(const uint8_t *expected);
 
  bool equals_hex(const char *expected);
 
 protected:
  md5::MD5Digest ihash_;
  md5::MD5Digest ohash_;
};
 
}  // namespace hmac_md5
}  // namespace esphome
#endif