exceptionfactory commented on code in PR #6939:
URL: https://github.com/apache/nifi/pull/6939#discussion_r1119424370
##########
nifi-commons/nifi-property-encryptor/src/main/java/org/apache/nifi/encrypt/KeyedCipherPropertyEncryptor.java:
##########
@@ -16,47 +16,36 @@
*/
package org.apache.nifi.encrypt;
-import org.apache.nifi.security.util.EncryptionMethod;
-import org.apache.nifi.security.util.crypto.KeyedCipherProvider;
-
import javax.crypto.Cipher;
import javax.crypto.SecretKey;
+import javax.crypto.spec.GCMParameterSpec;
import java.security.SecureRandom;
import java.util.Arrays;
import java.util.Objects;
/**
- * Property Encryptor implementation using Keyed Cipher Provider
+ * Property Encryptor implementation using AES-GCM
*/
class KeyedCipherPropertyEncryptor extends CipherPropertyEncryptor {
private static final int INITIALIZATION_VECTOR_LENGTH = 16;
- private static final int ARRAY_START = 0;
-
- private static final boolean ENCRYPT = true;
+ private static final int GCM_TAG_LENGTH_BITS = 128;
- private static final boolean DECRYPT = false;
-
- private final KeyedCipherProvider cipherProvider;
+ private static final int ARRAY_START = 0;
- private final EncryptionMethod encryptionMethod;
+ private static final String CIPHER_ALGORITHM = "AES/GCM/NoPadding";
private final SecretKey secretKey;
private final SecureRandom secureRandom;
private final String description;
- protected KeyedCipherPropertyEncryptor(final KeyedCipherProvider
cipherProvider,
- final EncryptionMethod
encryptionMethod,
- final SecretKey secretKey) {
- this.cipherProvider = cipherProvider;
- this.encryptionMethod = encryptionMethod;
+ protected KeyedCipherPropertyEncryptor(final SecretKey secretKey) {
Review Comment:
Yes, `AES/GCM/NoPadding` is the current value for all instances of the
`KeyedCipherProvider`, so this change does not impact compatibility with
existing AES-GCM sensitive property algorithms.
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