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