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esphome/esphome/components/md5/md5.h
J. Nick Koston 9cbbb167db preen
2025-09-21 11:47:15 -06:00

70 lines
1.6 KiB
C++

#pragma once
#include "esphome/core/defines.h"
#ifdef USE_MD5
#include "esphome/core/hash_base.h"
#ifdef USE_ESP32
#include "esp_rom_md5.h"
#define MD5_CTX_TYPE md5_context_t
#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
#if defined(USE_LIBRETINY)
#include <MD5.h>
#define MD5_CTX_TYPE LT_MD5_CTX_T
#endif
namespace esphome {
namespace md5 {
class MD5Digest : public HashBase {
public:
MD5Digest() = default;
~MD5Digest() override = default;
/// Initialize a new MD5 digest computation.
void init() override;
/// Add bytes of data for the digest.
void add(const uint8_t *data, size_t len) override;
/// Compute the digest, based on the provided data.
void calculate() override;
/// 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) override;
/// Get the size of the hex output (32 for MD5)
size_t get_hex_size() const override { return 32; }
/// 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
#endif