Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/8880#discussion_r75551862
--- Diff:
core/src/main/scala/org/apache/spark/serializer/SerializerManager.scala ---
@@ -103,6 +107,20 @@ private[spark] class
SerializerManager(defaultSerializer: Serializer, conf: Spar
}
/**
+ * Wrap an input stream for encryption if shuffle encryption is enabled
+ */
+ def wrapForEncryption(s: InputStream): InputStream = {
--- End diff --
Doing this would also simplify other interfaces, e.g., you wouldn't need
the dummy `EncryptStream` classes in a bunch of tests because
`DiskBlockObjectWriter` would just take a generic `wrapStream` function instead
of separate ones for compression and encryption.
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