本文整理汇总了Java中org.apache.hadoop.crypto.CipherSuite.AES_CTR_NOPADDING属性的典型用法代码示例。如果您正苦于以下问题：Java CipherSuite.AES_CTR_NOPADDING属性的具体用法？Java CipherSuite.AES_CTR_NOPADDING怎么用？Java CipherSuite.AES_CTR_NOPADDING使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.crypto.CipherSuite的用法示例。
在下文中一共展示了CipherSuite.AES_CTR_NOPADDING属性的3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: negotiateCipherOption
/**
* Negotiate a cipher option which server supports.
*
* @param conf the configuration
* @param options the cipher options which client supports
* @return CipherOption negotiated cipher option
*/
public static CipherOption negotiateCipherOption(Configuration conf,
List<CipherOption> options) throws IOException {
// Negotiate cipher suites if configured. Currently, the only supported
// cipher suite is AES/CTR/NoPadding, but the protocol allows multiple
// values for future expansion.
String cipherSuites = conf.get(DFS_ENCRYPT_DATA_TRANSFER_CIPHER_SUITES_KEY);
if (cipherSuites == null || cipherSuites.isEmpty()) {
return null;
}
if (!cipherSuites.equals(CipherSuite.AES_CTR_NOPADDING.getName())) {
throw new IOException(String.format("Invalid cipher suite, %s=%s",
DFS_ENCRYPT_DATA_TRANSFER_CIPHER_SUITES_KEY, cipherSuites));
}
if (options != null) {
for (CipherOption option : options) {
CipherSuite suite = option.getCipherSuite();
if (suite == CipherSuite.AES_CTR_NOPADDING) {
int keyLen = conf.getInt(
DFS_ENCRYPT_DATA_TRANSFER_CIPHER_KEY_BITLENGTH_KEY,
DFS_ENCRYPT_DATA_TRANSFER_CIPHER_KEY_BITLENGTH_DEFAULT) / 8;
CryptoCodec codec = CryptoCodec.getInstance(conf, suite);
byte[] inKey = new byte[keyLen];
byte[] inIv = new byte[suite.getAlgorithmBlockSize()];
byte[] outKey = new byte[keyLen];
byte[] outIv = new byte[suite.getAlgorithmBlockSize()];
codec.generateSecureRandom(inKey);
codec.generateSecureRandom(inIv);
codec.generateSecureRandom(outKey);
codec.generateSecureRandom(outIv);
return new CipherOption(suite, inKey, inIv, outKey, outIv);
}
}
}
return null;
}
示例2: convert
public static CipherSuite convert(CipherSuiteProto proto) {
switch (proto) {
case AES_CTR_NOPADDING:
return CipherSuite.AES_CTR_NOPADDING;
default:
// Set to UNKNOWN and stash the unknown enum value
CipherSuite suite = CipherSuite.UNKNOWN;
suite.setUnknownValue(proto.getNumber());
return suite;
}
}
示例3: convert
public static CipherSuite convert(HdfsProtos.CipherSuiteProto proto) {
switch (proto) {
case AES_CTR_NOPADDING:
return CipherSuite.AES_CTR_NOPADDING;
default:
// Set to UNKNOWN and stash the unknown enum value
CipherSuite suite = CipherSuite.UNKNOWN;
suite.setUnknownValue(proto.getNumber());
return suite;
}
}