thamht4190 commented on a change in pull request #8023:
URL: https://github.com/apache/arrow/pull/8023#discussion_r477067068
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File path: cpp/src/parquet/encryption_internal.h
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@@ -45,6 +45,9 @@ constexpr int8_t kOffsetIndex = 7;
/// Performs AES encryption operations with GCM or CTR ciphers.
class AesEncryptor {
public:
+ /// Can serve one key length only. Possible values: 16, 24, 32 bytes.
+ explicit AesEncryptor(ParquetCipher::type alg_id, int key_len, bool
metadata);
Review comment:
@emkornfield I want to create a local variable of AesEncryptor, without
using smart pointers, so it will store in stack rather than in heap.
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