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HADOOP-19338. Null Pointer Exception in KeyProviderCryptoExtension due to Class Not Found Exception. #7166

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HADOOP-19338. Null Pointer Exception in KeyProviderCryptoExtension due to Class Not Found Exception. #7166

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23 changes: 14 additions & 9 deletions .../hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProviderCryptoExtension.java
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Original file line number Diff line number Diff line change
Expand Up @@ -292,15 +292,20 @@ public EncryptedKeyVersion generateEncryptedKey(String encryptionKeyName)
// Generate random bytes for new key and IV

CryptoCodec cc = CryptoCodec.getInstance(keyProvider.getConf());
try {
final byte[] newKey = new byte[encryptionKey.getMaterial().length];
cc.generateSecureRandom(newKey);
final byte[] iv = new byte[cc.getCipherSuite().getAlgorithmBlockSize()];
cc.generateSecureRandom(iv);
Encryptor encryptor = cc.createEncryptor();
return generateEncryptedKey(encryptor, encryptionKey, newKey, iv);
} finally {
cc.close();

if (cc != null){
try {
final byte[] newKey = new byte[encryptionKey.getMaterial().length];
cc.generateSecureRandom(newKey);
final byte[] iv = new byte[cc.getCipherSuite().getAlgorithmBlockSize()];
cc.generateSecureRandom(iv);
Encryptor encryptor = cc.createEncryptor();
return generateEncryptedKey(encryptor, encryptionKey, newKey, iv);
} finally {
cc.close();
}
} else {
throw new IOException("CyrptoCode object is null");
}
}

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