本文整理汇总了Java中org.apache.hadoop.fs.FileEncryptionInfo.getIV方法的典型用法代码示例。如果您正苦于以下问题：Java FileEncryptionInfo.getIV方法的具体用法？Java FileEncryptionInfo.getIV怎么用？Java FileEncryptionInfo.getIV使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.fs.FileEncryptionInfo的用法示例。
在下文中一共展示了FileEncryptionInfo.getIV方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: createWrappedInputStream
import org.apache.hadoop.fs.FileEncryptionInfo; //导入方法依赖的package包/类
/**
* Wraps the stream in a CryptoInputStream if the underlying file is
* encrypted.
*/
public HdfsDataInputStream createWrappedInputStream(DFSInputStream dfsis)
throws IOException {
final FileEncryptionInfo feInfo = dfsis.getFileEncryptionInfo();
if (feInfo != null) {
// File is encrypted, wrap the stream in a crypto stream.
// Currently only one version, so no special logic based on the version #
getCryptoProtocolVersion(feInfo);
final CryptoCodec codec = getCryptoCodec(conf, feInfo);
final KeyVersion decrypted = decryptEncryptedDataEncryptionKey(feInfo);
final CryptoInputStream cryptoIn =
new CryptoInputStream(dfsis, codec, decrypted.getMaterial(),
feInfo.getIV());
return new HdfsDataInputStream(cryptoIn);
} else {
// No FileEncryptionInfo so no encryption.
return new HdfsDataInputStream(dfsis);
}
}
示例2: createWrappedOutputStream
import org.apache.hadoop.fs.FileEncryptionInfo; //导入方法依赖的package包/类
/**
* Wraps the stream in a CryptoOutputStream if the underlying file is
* encrypted.
*/
public HdfsDataOutputStream createWrappedOutputStream(DFSOutputStream dfsos,
FileSystem.Statistics statistics, long startPos) throws IOException {
final FileEncryptionInfo feInfo = dfsos.getFileEncryptionInfo();
if (feInfo != null) {
// File is encrypted, wrap the stream in a crypto stream.
// Currently only one version, so no special logic based on the version #
getCryptoProtocolVersion(feInfo);
final CryptoCodec codec = getCryptoCodec(conf, feInfo);
KeyVersion decrypted = decryptEncryptedDataEncryptionKey(feInfo);
final CryptoOutputStream cryptoOut =
new CryptoOutputStream(dfsos, codec,
decrypted.getMaterial(), feInfo.getIV(), startPos);
return new HdfsDataOutputStream(cryptoOut, statistics, startPos);
} else {
// No FileEncryptionInfo present so no encryption.
return new HdfsDataOutputStream(dfsos, statistics, startPos);
}
}