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HADOOP-10842. CryptoExtension generateEncryptedKey method should receive the key name. (asuresh via tucu)

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1611542 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Alejandro Abdelnur 2014-07-18 06:13:17 +00:00
parent 7f06998bf2
commit f714413615
3 changed files with 20 additions and 19 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
View File

@ -180,6 +180,9 @@ Trunk (Unreleased)
HADOOP-10841. EncryptedKeyVersion should have a key name property.
(asuresh via tucu)
HADOOP-10842. CryptoExtension generateEncryptedKey method should
receive the key name. (asuresh via tucu)
BUG FIXES
HADOOP-9451. Fault single-layer config if node group topology is enabled.

32
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/KeyProviderCryptoExtension.java
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@ -84,14 +84,13 @@ public interface CryptoExtension extends KeyProviderExtension.Extension {
/**
* Generates a key material and encrypts it using the given key version name
* and initialization vector. The generated key material is of the same
* length as the <code>KeyVersion</code> material and is encrypted using the
* same cipher.
* length as the <code>KeyVersion</code> material of the latest key version
* of the key and is encrypted using the same cipher.
* <p/>
* NOTE: The generated key is not stored by the <code>KeyProvider</code>
*
* @param encryptionKeyVersion
* a KeyVersion object containing the keyVersion name and material
* to encrypt.
* @param encryptionKeyName
* The latest KeyVersion of this key's material will be encrypted.
* @return EncryptedKeyVersion with the generated key material, the version
* name is 'EEK' (for Encrypted Encryption Key)
* @throws IOException
@ -101,7 +100,7 @@ public interface CryptoExtension extends KeyProviderExtension.Extension {
* cryptographic issue.
*/
public EncryptedKeyVersion generateEncryptedKey(
KeyVersion encryptionKeyVersion) throws IOException,
String encryptionKeyName) throws IOException,
GeneralSecurityException;
/**
@ -146,12 +145,11 @@ private byte[] flipIV(byte[] iv) {
}
@Override
public EncryptedKeyVersion generateEncryptedKey(KeyVersion keyVersion)
public EncryptedKeyVersion generateEncryptedKey(String encryptionKeyName)
throws IOException, GeneralSecurityException {
KeyVersion keyVer =
keyProvider.getKeyVersion(keyVersion.getVersionName());
Preconditions.checkNotNull(keyVer, "KeyVersion name '%s' does not exist",
keyVersion.getVersionName());
KeyVersion keyVer = keyProvider.getCurrentKey(encryptionKeyName);
Preconditions.checkNotNull(keyVer, "No KeyVersion exists for key '%s' ",
encryptionKeyName);
byte[] newKey = new byte[keyVer.getMaterial().length];
SecureRandom.getInstance("SHA1PRNG").nextBytes(newKey);
Cipher cipher = Cipher.getInstance("AES/CTR/NoPadding");
@ -159,8 +157,8 @@ public EncryptedKeyVersion generateEncryptedKey(KeyVersion keyVersion)
cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(keyVer.getMaterial(),
"AES"), new IvParameterSpec(flipIV(iv)));
byte[] ek = cipher.doFinal(newKey);
return new EncryptedKeyVersion(keyVersion.getName(),
keyVersion.getVersionName(), iv,
return new EncryptedKeyVersion(encryptionKeyName,
keyVer.getVersionName(), iv,
new KeyVersion(keyVer.getName(), EEK, ek));
}
@ -197,18 +195,18 @@ private KeyProviderCryptoExtension(KeyProvider keyProvider,
* <p/>
* NOTE: The generated key is not stored by the <code>KeyProvider</code>
*
* @param encryptionKey a KeyVersion object containing the keyVersion name and
* material to encrypt.
* @param encryptionKeyName The latest KeyVersion of this key's material will
* be encrypted.
* @return EncryptedKeyVersion with the generated key material, the version
* name is 'EEK' (for Encrypted Encryption Key)
* @throws IOException thrown if the key material could not be generated
* @throws GeneralSecurityException thrown if the key material could not be
* encrypted because of a cryptographic issue.
*/
public EncryptedKeyVersion generateEncryptedKey(KeyVersion encryptionKey)
public EncryptedKeyVersion generateEncryptedKey(String encryptionKeyName)
throws IOException,
GeneralSecurityException {
return getExtension().generateEncryptedKey(encryptionKey);
return getExtension().generateEncryptedKey(encryptionKeyName);
}
/**

4
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/crypto/key/TestKeyProviderCryptoExtension.java
View File

@ -42,7 +42,7 @@ public void testGenerateEncryptedKey() throws Exception {
KeyProviderCryptoExtension.createKeyProviderCryptoExtension(kp);
KeyProviderCryptoExtension.EncryptedKeyVersion ek1 =
kpExt.generateEncryptedKey(kv);
kpExt.generateEncryptedKey(kv.getName());
Assert.assertEquals(KeyProviderCryptoExtension.EEK,
ek1.getEncryptedKey().getVersionName());
Assert.assertEquals("foo", ek1.getKeyName());
@ -56,7 +56,7 @@ public void testGenerateEncryptedKey() throws Exception {
Assert.assertEquals(kv.getMaterial().length, k1.getMaterial().length);
KeyProviderCryptoExtension.EncryptedKeyVersion ek2 =
kpExt.generateEncryptedKey(kv);
kpExt.generateEncryptedKey(kv.getName());
KeyProvider.KeyVersion k2 = kpExt.decryptEncryptedKey(ek2);
boolean eq = true;
for (int i = 0; eq && i < ek2.getEncryptedKey().getMaterial().length; i++) {