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author | 2017-08-08 14:02:53 +0800 | |
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committer | 2017-08-08 14:02:53 +0800 | |
commit | c0604184b2aa8cff924ca783ec6b36f1f5988775 (patch) | |
tree | 1c70ffe1ad90c915b3382a37eb2fa80901519c7b /wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl | |
parent | 706fc9fed496972968fde136c3e4e10f9578a5b3 (diff) |
init code
Change-Id: Icd0948118397b256da70dfbcbbec5520dc5eafd4
Signed-off-by: Zhaoxing <meng.zhaoxing1@zte.com.cn>
Diffstat (limited to 'wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl')
2 files changed, 186 insertions, 0 deletions
diff --git a/wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl/AesCipher.java b/wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl/AesCipher.java new file mode 100644 index 0000000..f117269 --- /dev/null +++ b/wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl/AesCipher.java @@ -0,0 +1,132 @@ +/* + * Copyright 2016 Huawei Technologies Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.openo.baseservice.encrypt.cbb.impl; + +import java.security.NoSuchAlgorithmException; +import java.security.spec.InvalidKeySpecException; +import java.security.spec.KeySpec; + +import javax.crypto.Cipher; +import javax.crypto.SecretKey; +import javax.crypto.SecretKeyFactory; +import javax.crypto.spec.IvParameterSpec; +import javax.crypto.spec.PBEKeySpec; +import javax.crypto.spec.SecretKeySpec; +import javax.xml.bind.DatatypeConverter; + +import org.openo.baseservice.encrypt.cbb.inf.AbstractCipher; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * CipherManager implement<br/> + * <p> + * </p> + * + * @author + * @version 31-May-2016 + */ +public class AesCipher implements AbstractCipher { + + private static final Logger LOG = LoggerFactory.getLogger(AesCipher.class); + + private static final byte[] DEFAULT_IV = {2, 1, 4, 8, 0, 3, 2, 0, 7, 9, 2, 8, 5, 11, 6, 1}; + + private static final IvParameterSpec IV_PARAMETER_SPEC = new IvParameterSpec(DEFAULT_IV); + + protected final SecretKey secretKey; + + /** + * Constructor<br/> + * <p> + * Creates default key. + * </p> + * + * @since + */ + public AesCipher() { + super(); + secretKey = createSecretKey("default"); + } + + /** + * + * Constructor<br/> + * <p> + * </p> + * Creates key. + * @param key + * @since + */ + public AesCipher(final String key) { + super(); + secretKey = createSecretKey(key); + } + + private SecretKey createSecretKey(final String key) { + SecretKey secretKey = null; + try { + final SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); + final KeySpec keySpec = new PBEKeySpec(key.toCharArray(), DEFAULT_IV, 30000, 128); + + secretKey = keyFactory.generateSecret(keySpec); + return new SecretKeySpec(secretKey.getEncoded(), "AES"); + } catch(InvalidKeySpecException e) { + LOG.error("Invalid KeySpec ", e); + } catch(NoSuchAlgorithmException e) { + LOG.error("Algorithm do not support: ", e); + } + return null; + } + + @Override + public String encrypt(final String plain) { + try { + final Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); + cipher.init(Cipher.ENCRYPT_MODE, secretKey, IV_PARAMETER_SPEC); + final byte[] encryptToBytes = cipher.doFinal(plain.getBytes()); + return DatatypeConverter.printBase64Binary(encryptToBytes); + } catch(final Exception e) { + LOG.error("Encrypt the plain error:", e); + return null; + } + } + + @Override + public String decrypt(final String encrypted) { + + if(encrypted == null || encrypted.length() == 0) { + return null; + } + + if(secretKey == null) { + return null; + } + + try { + final Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); + cipher.init(Cipher.DECRYPT_MODE, secretKey, IV_PARAMETER_SPEC); + final byte[] tempBytes = DatatypeConverter.parseBase64Binary(encrypted); + final byte[] decrypTobytes = cipher.doFinal(tempBytes); + return new String(decrypTobytes); + } catch(final Exception e) { + LOG.error("decrypt the plain error:", e); + return null; + } + } + +} diff --git a/wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl/AesCipherFactory.java b/wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl/AesCipherFactory.java new file mode 100644 index 0000000..95e7336 --- /dev/null +++ b/wso2/common-util/src/main/java/org/openo/baseservice/encrypt/cbb/impl/AesCipherFactory.java @@ -0,0 +1,54 @@ +/* + * Copyright 2016 Huawei Technologies Co., Ltd. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.encrypt.cbb.impl; + +import org.openo.baseservice.encrypt.cbb.inf.AbstractCipher; +import org.openo.baseservice.encrypt.cbb.inf.AbstractCipherFactory; + +/** + * Factory class to create CipherManager instances.<br/> + * <p> + * </p> + * + * @author + * @version 03-Jun-2016 + */ +public class AesCipherFactory implements AbstractCipherFactory { + + /** + * Creates new CipherManager instance.<br/> + * + * @return new cipher manager instance. + * @since + */ + @Override + public AbstractCipher createCipherManager() { + return new AesCipher(); + } + + /** + * Creates new CipherManager instance.<br/> + * + * @param key new cipher manager instance. + * @return + * @since + */ + @Override + public AbstractCipher createCipherManager(final String key) { + return new AesCipher(key); + } + +} |