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This commit is contained in:
J. Nick Koston
2025-09-27 01:39:56 -05:00
parent 603bde05e7
commit 91adbc2466
1 changed files with 4 additions and 6 deletions
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esphome/components/esphome/ota/ota_esphome.cpp
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@@ -749,16 +749,14 @@ bool ESPHomeOTAComponent::prepare_auth_nonce_(HashBase *hasher) {
bool ESPHomeOTAComponent::verify_hash_auth_(HashBase *hasher, size_t hex_size) {
// Get pointers to the data in the buffer (see prepare_auth_nonce_ for buffer layout)
char *nonce = reinterpret_cast<char *>(this->auth_buf_.get() + 1); // Skip auth_type byte
size_t cnonce_offset = 1 + hex_size; // Offset where cnonce starts in buffer
char *cnonce = reinterpret_cast<char *>(this->auth_buf_.get() + cnonce_offset);
const char *response = cnonce + hex_size; // Response immediately follows cnonce
const char *nonce = reinterpret_cast<char *>(this->auth_buf_.get() + 1); // Skip auth_type byte
const char *cnonce = nonce + hex_size; // CNonce immediately follows nonce
const char *response = cnonce + hex_size; // Response immediately follows cnonce
// Calculate expected hash: password + nonce + cnonce
hasher->init();
hasher->add(this->password_.c_str(), this->password_.length());
hasher->add(nonce, hex_size);
hasher->add(cnonce, hex_size);
hasher->add(nonce, hex_size * 2); // Add both nonce and cnonce (contiguous in buffer)
hasher->calculate();
#if ESPHOME_LOG_LEVEL >= ESPHOME_LOG_LEVEL_VERBOSE