diff options
Diffstat (limited to 'ecomp-sdk/epsdk-core/src/main/java/org/onap/portalsdk/core/util/EncDecUtilTest.java')
| -rw-r--r-- | ecomp-sdk/epsdk-core/src/main/java/org/onap/portalsdk/core/util/EncDecUtilTest.java | 141 |
1 files changed, 60 insertions, 81 deletions
diff --git a/ecomp-sdk/epsdk-core/src/main/java/org/onap/portalsdk/core/util/EncDecUtilTest.java b/ecomp-sdk/epsdk-core/src/main/java/org/onap/portalsdk/core/util/EncDecUtilTest.java index 3a13e362..926ed347 100644 --- a/ecomp-sdk/epsdk-core/src/main/java/org/onap/portalsdk/core/util/EncDecUtilTest.java +++ b/ecomp-sdk/epsdk-core/src/main/java/org/onap/portalsdk/core/util/EncDecUtilTest.java @@ -6,7 +6,7 @@ * =================================================================== * * Unless otherwise specified, all software contained herein is licensed - * under the Apache License, Version 2.0 (the “License”); + * under the Apache License, Version 2.0 (the "License"); * you may not use this software except in compliance with the License. * You may obtain a copy of the License at * @@ -19,7 +19,7 @@ * limitations under the License. * * Unless otherwise specified, all documentation contained herein is licensed - * under the Creative Commons License, Attribution 4.0 Intl. (the “License”); + * under the Creative Commons License, Attribution 4.0 Intl. (the "License"); * you may not use this documentation except in compliance with the License. * You may obtain a copy of the License at * @@ -36,12 +36,13 @@ * ECOMP is a trademark and service mark of AT&T Intellectual Property. */ package org.onap.portalsdk.core.util; + +import java.io.UnsupportedEncodingException; import java.security.AlgorithmParameters; +import java.security.GeneralSecurityException; import java.security.SecureRandom; -import javax.crypto.BadPaddingException; import javax.crypto.Cipher; -import javax.crypto.IllegalBlockSizeException; import javax.crypto.SecretKey; import javax.crypto.SecretKeyFactory; import javax.crypto.spec.IvParameterSpec; @@ -49,82 +50,60 @@ import javax.crypto.spec.PBEKeySpec; import javax.crypto.spec.SecretKeySpec; import org.apache.commons.codec.binary.Base64; - + public class EncDecUtilTest { - - private static final String password = "test"; - private static final String salt = "r n�HN~��|f��X �" ; - private static int pswdIterations = 65536 ; - private static int keySize = 256; - private byte[] ivBytes; - - public String encrypt(String plainText) throws Exception { - - //get salt - //salt = generateSalt(); - byte[] saltBytes = salt.getBytes("UTF-8"); - - // Derive the key - SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); - PBEKeySpec spec = new PBEKeySpec( - password.toCharArray(), - saltBytes, - pswdIterations, - keySize - ); - - SecretKey secretKey = factory.generateSecret(spec); - SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES"); - - //encrypt the message - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.ENCRYPT_MODE, secret); - AlgorithmParameters params = cipher.getParameters(); - ivBytes = params.getParameterSpec(IvParameterSpec.class).getIV(); - byte[] encryptedTextBytes = cipher.doFinal(plainText.getBytes("UTF-8")); - return new Base64().encodeAsString(encryptedTextBytes); - } - - @SuppressWarnings("static-access") - public String decrypt(String encryptedText) throws Exception { - - byte[] saltBytes = salt.getBytes("UTF-8"); - byte[] encryptedTextBytes = new Base64().decodeBase64(encryptedText); - - // Derive the key - SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); - PBEKeySpec spec = new PBEKeySpec( - password.toCharArray(), - saltBytes, - pswdIterations, - keySize - ); - - SecretKey secretKey = factory.generateSecret(spec); - SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES"); - - // Decrypt the message - Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); - cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(ivBytes)); - - - byte[] decryptedTextBytes = null; - try { - decryptedTextBytes = cipher.doFinal(encryptedTextBytes); - } catch (IllegalBlockSizeException e) { - e.printStackTrace(); - } catch (BadPaddingException e) { - e.printStackTrace(); - } - - return new String(decryptedTextBytes); - } - - public String generateSalt() { - SecureRandom random = new SecureRandom(); - byte bytes[] = new byte[20]; - random.nextBytes(bytes); - String s = new String(bytes); - return s; - } + + private static final String WORD = "test"; + private static final String SALT = "r n�HN~��|f��X �"; + private static final int ITERATIONS = 65536; + private static final int KEY_SIZE = 256; + private byte[] ivBytes; + + public String encrypt(String plainText) throws UnsupportedEncodingException, GeneralSecurityException { + + // get salt + // salt = generateSalt(); + byte[] saltBytes = SALT.getBytes("UTF-8"); + + // Derive the key + SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); + PBEKeySpec spec = new PBEKeySpec(WORD.toCharArray(), saltBytes, ITERATIONS, KEY_SIZE); + + SecretKey secretKey = factory.generateSecret(spec); + SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES"); + + // encrypt the message + Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); + cipher.init(Cipher.ENCRYPT_MODE, secret); + AlgorithmParameters params = cipher.getParameters(); + ivBytes = params.getParameterSpec(IvParameterSpec.class).getIV(); + byte[] encryptedTextBytes = cipher.doFinal(plainText.getBytes("UTF-8")); + return Base64.encodeBase64String(encryptedTextBytes); + } + + public String decrypt(String encryptedText) throws UnsupportedEncodingException, GeneralSecurityException { + byte[] saltBytes = SALT.getBytes("UTF-8"); + byte[] encryptedTextBytes = Base64.decodeBase64(encryptedText); + + // Derive the key + SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); + PBEKeySpec spec = new PBEKeySpec(WORD.toCharArray(), saltBytes, ITERATIONS, KEY_SIZE); + + SecretKey secretKey = factory.generateSecret(spec); + SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES"); + + // Decrypt the message + Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); + cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(ivBytes)); + + byte[] decryptedTextBytes = cipher.doFinal(encryptedTextBytes); + return new String(decryptedTextBytes); + } + + public String generateSalt() { + SecureRandom random = new SecureRandom(); + byte [] bytes = new byte[20]; + random.nextBytes(bytes); + return new String(bytes); + } }
\ No newline at end of file |