esphome/esphome/components/md5/md5.h

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#pragma once
#include "esphome/core/defines.h"
#ifdef USE_ESP_IDF
#include "esp_rom_md5.h"
#define MD5_CTX_TYPE md5_context_t
#endif
#if defined(USE_ARDUINO) && defined(USE_ESP32)
#include "rom/md5_hash.h"
#define MD5_CTX_TYPE MD5Context
#endif
#if defined(USE_ARDUINO) && defined(USE_ESP8266)
#include <md5.h>
#define MD5_CTX_TYPE md5_context_t
#endif
#ifdef USE_RP2040
#include <MD5Builder.h>
#define MD5_CTX_TYPE br_md5_context
#endif
namespace esphome {
namespace md5 {
class MD5Digest {
public:
MD5Digest() = default;
~MD5Digest() = default;
/// Initialize a new MD5 digest computation.
void init();
/// Add bytes of data for the digest.
void add(const uint8_t *data, size_t len);
void add(const char *data, size_t len) { this->add((const uint8_t *) data, len); }
/// Compute the digest, based on the provided data.
void calculate();
/// Retrieve the MD5 digest as bytes.
/// The output must be able to hold 16 bytes or more.
void get_bytes(uint8_t *output);
/// Retrieve the MD5 digest as hex characters.
/// The output must be able to hold 32 bytes or more.
void get_hex(char *output);
/// Compare the digest against a provided byte-encoded digest (16 bytes).
bool equals_bytes(const uint8_t *expected);
/// Compare the digest against a provided hex-encoded digest (32 bytes).
bool equals_hex(const char *expected);
protected:
MD5_CTX_TYPE ctx_{};
uint8_t digest_[16];
};
} // namespace md5
} // namespace esphome