dataroaring commented on PR #55950:
URL: https://github.com/apache/doris/pull/55950#issuecomment-3284075781
**Hardcoded Magic Numbers Need Documentation**
**File**: `be/src/http/action/check_encryption_action.cpp` line 105
```cpp
std::vector<uint8_t> answer = {'A', 'B', 'C', 'D', 'E', 'A', 'B', 'C'};
```
**Issue**: Magic byte sequence is hardcoded without explanation or named
constants.
**Problems**:
- Code is unclear - what do these bytes represent?
- Maintenance difficulty if magic bytes need to change
- No documentation of the encryption validation protocol
**Recommendation**: Define as named constants with documentation:
```cpp
// Magic bytes used to identify encrypted tablet segments
static constexpr std::array<uint8_t, 8> ENCRYPTION_MAGIC_BYTES =
{'A', 'B', 'C', 'D', 'E', 'A', 'B', 'C'};
std::vector<uint8_t> answer(ENCRYPTION_MAGIC_BYTES.begin(),
ENCRYPTION_MAGIC_BYTES.end());
```
This improves code readability and maintainability.
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