mapleFU commented on code in PR #43222:
URL: https://github.com/apache/arrow/pull/43222#discussion_r1679672893
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cpp/src/parquet/encryption/internal_file_encryptor.cc:
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@@ -52,8 +52,15 @@
InternalFileEncryptor::InternalFileEncryptor(FileEncryptionProperties* propertie
void InternalFileEncryptor::WipeOutEncryptionKeys() {
properties_->WipeOutEncryptionKeys();
- for (auto const& i : all_encryptors_) {
- i->WipeOut();
+ for (auto const& i : meta_encryptor_) {
+ if (i != nullptr) {
Review Comment:
```
// Key must be 16, 24 or 32 bytes in length. Thus there could be up to
three
// types of meta_encryptors and data_encryptors.
std::unique_ptr<encryption::AesEncryptor> meta_encryptor_[3];
std::unique_ptr<encryption::AesEncryptor> data_encryptor_[3];
```
This is as said before, since it might only has one?
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