...
Hudi and iceberg also have some shortcomings. Hudi relies on Spark and Parquet , and cannot encrypt data in ORC format; Iceberg only provides basic interfaces without corresponding implementation classes.
...
[1].https://hudi.apache.org/docs/encryption/
[2].https://github.com/apache/iceberg/blob/c07f2aabc0a1d02f068ecf1514d2479c0fbdd3b0/api/src/main/java/org/apache/iceberg/encryption/EncryptionManager.java#L32
[3].https://github.com/apache/iceberg/blob/1e57760394583889f2cb7fb87d021471e8c46f0c/core/src/main/java/org/apache/iceberg/encryption/KeyManagementClient.java#L27
[4].https://en.wikipedia.org/wiki/Symmetric-key_algorithm
...