[I] Use Amazon KMS for encryption having error: "OSError: Incorrect key to columns mapping in column keys property:" [arrow]

[via GitHub]

ChanTheDataExplorer opened a new issue, #43426:
URL: https://github.com/apache/arrow/issues/43426

   ### Describe the usage question you have. Please include as many useful 
details as  possible.
   
   
   Hi, I'm trying to use the columnar encryption but having problem to make it 
work. Below is the sample code
   
   ```
   KMS_KEY_ARN= 
'arn:aws:kms:ap-southeast-1:643458469770:key/4c9195a3-bb54-40d3-b199-9f9bf6ea9dcf'
   FOOTER_KEY_NAME = "footer_key"
   COL_KEY_NAME = "column_key"
   
   table = pa.Table.from_pydict({
       'a': ['hello'],
       'b': ['goodbye'],
       'c': ['womp']
   })
   
   encryption_config = pe.EncryptionConfiguration(
       footer_key=KMS_KEY_ARN,
       column_keys={
           KMS_KEY_ARN: ["a", "b", "c"],
       },
       encryption_algorithm="AES_GCM_V1",
       cache_lifetime=timedelta(minutes=5.0),
       data_key_length_bits=256
   )
   
   kms_connection_config = pe.KmsConnectionConfig(
       custom_kms_conf={
           FOOTER_KEY_NAME: FOOTER_KEY_ARN,
           COL_KEY_NAME: FOOTER_KEY_ARN,
       }
   )
   
   crypto_factory = pe.CryptoFactory(kms_factory)
   
   file_encryption_properties = crypto_factory.file_encryption_properties(
       kms_connection_config, encryption_config)
   
   with pq.ParquetWriter(path, table.schema, 
encryption_properties=file_encryption_properties) as writer:
       writer.write_table(table)
   ```
   
   ### Component(s)
   
   Python


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