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HADOOP-10937. Need to set version name correctly before decrypting EEK. Contributed by Arun Suresh. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1615841 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew Wang 2014-08-05 02:21:28 +00:00
parent c8abf5f20a
commit 513dc29ce8
4 changed files with 23 additions and 4 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -522,6 +522,9 @@ Release 2.6.0 - UNRELEASED
HADOOP-10927. Fix CredentialShell help behavior and error codes.
(Josh Elser via wang)
HADOOP-10937. Need to set version name correctly before decrypting EEK.
(Arun Suresh via wang)
Release 2.5.0 - UNRELEASED
INCOMPATIBLE CHANGES

11
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProviderCryptoExtension.java
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@ -21,11 +21,13 @@ package org.apache.hadoop.crypto.key;
import java.io.IOException;
import java.security.GeneralSecurityException;
import java.security.SecureRandom;
import javax.crypto.Cipher;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import com.google.common.base.Preconditions;
import org.apache.hadoop.classification.InterfaceAudience;
/**
@ -97,7 +99,7 @@ public class KeyProviderCryptoExtension extends
public static EncryptedKeyVersion createForDecryption(String
encryptionKeyVersionName, byte[] encryptedKeyIv,
byte[] encryptedKeyMaterial) {
KeyVersion encryptedKeyVersion = new KeyVersion(null, null,
KeyVersion encryptedKeyVersion = new KeyVersion(null, EEK,
encryptedKeyMaterial);
return new EncryptedKeyVersion(null, encryptionKeyVersionName,
encryptedKeyIv, encryptedKeyVersion);
@ -258,6 +260,13 @@ public class KeyProviderCryptoExtension extends
keyProvider.getKeyVersion(encryptionKeyVersionName);
Preconditions.checkNotNull(encryptionKey,
"KeyVersion name '%s' does not exist", encryptionKeyVersionName);
Preconditions.checkArgument(
encryptedKeyVersion.getEncryptedKeyVersion().getVersionName()
.equals(KeyProviderCryptoExtension.EEK),
"encryptedKey version name must be '%s', is '%s'",
KeyProviderCryptoExtension.EEK,
encryptedKeyVersion.getEncryptedKeyVersion().getVersionName()
);
final byte[] encryptionKeyMaterial = encryptionKey.getMaterial();
// Encryption key IV is determined from encrypted key's IV
final byte[] encryptionIV =

2
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/KMSClientProvider.java
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@ -653,7 +653,7 @@ public class KMSClientProvider extends KeyProvider implements CryptoExtension {
encryptedKeyVersion.getEncryptedKeyVersion().getVersionName()
.equals(KeyProviderCryptoExtension.EEK),
"encryptedKey version name must be '%s', is '%s'",
KeyProviderCryptoExtension.EK,
KeyProviderCryptoExtension.EEK,
encryptedKeyVersion.getEncryptedKeyVersion().getVersionName()
);
checkNotNull(encryptedKeyVersion.getEncryptedKeyVersion(), "encryptedKey");

11
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyProviderCryptoExtension.java
View File

@ -26,10 +26,10 @@ import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.EncryptedKeyVersion;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.apache.hadoop.crypto.key.KeyProvider.KeyVersion;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
@ -118,8 +118,15 @@ public class TestKeyProviderCryptoExtension {
new IvParameterSpec(KeyProviderCryptoExtension.EncryptedKeyVersion
.deriveIV(encryptedKeyIv)));
final byte[] manualMaterial = cipher.doFinal(encryptedKeyMaterial);
// Test the createForDecryption factory method
EncryptedKeyVersion eek2 =
EncryptedKeyVersion.createForDecryption(
eek.getEncryptionKeyVersionName(), eek.getEncryptedKeyIv(),
eek.getEncryptedKeyVersion().getMaterial());
// Decrypt it with the API
KeyVersion decryptedKey = kpExt.decryptEncryptedKey(eek);
KeyVersion decryptedKey = kpExt.decryptEncryptedKey(eek2);
final byte[] apiMaterial = decryptedKey.getMaterial();
assertArrayEquals("Wrong key material from decryptEncryptedKey",