@InterfaceAudience.Private @InterfaceStability.Unstable public class CryptoUtils extends Object
| Constructor and Description |
|---|
CryptoUtils() |
| Modifier and Type | Method and Description |
|---|---|
static byte[] |
createIV(org.apache.hadoop.conf.Configuration conf)
This method creates and initializes an IV (Initialization Vector)
|
static int |
cryptoPadding(org.apache.hadoop.conf.Configuration conf) |
static boolean |
isEncryptedSpillEnabled(org.apache.hadoop.conf.Configuration conf) |
static org.apache.hadoop.fs.FSDataInputStream |
wrapIfNecessary(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.FSDataInputStream in)
Wraps a given FSDataInputStream with a CryptoInputStream.
|
static org.apache.hadoop.fs.FSDataOutputStream |
wrapIfNecessary(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.FSDataOutputStream out)
Wraps a given FSDataOutputStream with a CryptoOutputStream.
|
static org.apache.hadoop.fs.FSDataOutputStream |
wrapIfNecessary(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.FSDataOutputStream out,
boolean closeOutputStream)
Wraps a given FSDataOutputStream with a CryptoOutputStream.
|
static InputStream |
wrapIfNecessary(org.apache.hadoop.conf.Configuration conf,
InputStream in,
long length)
Wraps a given InputStream with a CryptoInputStream.
|
public static boolean isEncryptedSpillEnabled(org.apache.hadoop.conf.Configuration conf)
public static byte[] createIV(org.apache.hadoop.conf.Configuration conf)
throws IOException
conf - configurationIOException - exception in case of errorpublic static int cryptoPadding(org.apache.hadoop.conf.Configuration conf)
throws IOException
IOExceptionpublic static org.apache.hadoop.fs.FSDataOutputStream wrapIfNecessary(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.FSDataOutputStream out)
throws IOException
conf - configurationout - given output streamIOException - exception in case of errorpublic static org.apache.hadoop.fs.FSDataOutputStream wrapIfNecessary(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.FSDataOutputStream out,
boolean closeOutputStream)
throws IOException
conf - configurationout - given output streamcloseOutputStream - flag to indicate whether closing the wrapped
stream will close the given output streamIOException - exception in case of errorpublic static InputStream wrapIfNecessary(org.apache.hadoop.conf.Configuration conf, InputStream in, long length) throws IOException
conf - configurationin - given input streamlength - maximum number of bytes to read from the input streamIOException - exception in case of errorpublic static org.apache.hadoop.fs.FSDataInputStream wrapIfNecessary(org.apache.hadoop.conf.Configuration conf,
org.apache.hadoop.fs.FSDataInputStream in)
throws IOException
conf - configurationin - given input streamIOException - exception in case of errorCopyright © 2022 Apache Software Foundation. All rights reserved.