X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Forg%2Fonap%2Fclamp%2Fclds%2Futil%2FCryptoUtils.java;h=1ddf3a90a09fdae8538a592fbb660d9e766f6c24;hb=536db7b811eba341aef48a745b495da068d170eb;hp=f08bf7b28d3da98faf6ff17e5bdd74f4549bdd85;hpb=04e45990217e54aba1de2d5b89287aec118f7ad1;p=clamp.git diff --git a/src/main/java/org/onap/clamp/clds/util/CryptoUtils.java b/src/main/java/org/onap/clamp/clds/util/CryptoUtils.java index f08bf7b2..1ddf3a90 100644 --- a/src/main/java/org/onap/clamp/clds/util/CryptoUtils.java +++ b/src/main/java/org/onap/clamp/clds/util/CryptoUtils.java @@ -26,17 +26,14 @@ package org.onap.clamp.clds.util; import com.att.eelf.configuration.EELFLogger; import com.att.eelf.configuration.EELFManager; import com.google.common.base.Charsets; - import java.io.IOException; import java.io.UnsupportedEncodingException; import java.security.GeneralSecurityException; import java.security.SecureRandom; import java.util.Properties; - import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; - import org.apache.commons.codec.DecoderException; import org.apache.commons.codec.binary.Hex; import org.apache.commons.lang3.ArrayUtils; @@ -65,12 +62,12 @@ public final class CryptoUtils { * Definition of encryption algorithm. */ private static final String ALGORITHM = "AES"; - + /** - * AES Encryption Key environment variable for external configuration + * AES Encryption Key environment variable for external configuration. */ private static final String AES_ENCRYPTION_KEY = "AES_ENCRYPTION_KEY"; - + /** * Detailed definition of encryption algorithm. */ @@ -99,13 +96,11 @@ public final class CryptoUtils { /** * Encrypt a value based on the Clamp Encryption Key. * - * @param value - * The value to encrypt + * @param value The value to encrypt * @return The encrypted string - * @throws GeneralSecurityException - * In case of issue with the encryption - * @throws UnsupportedEncodingException - * In case of issue with the charset conversion + * @throws GeneralSecurityException In case of issue with the encryption + * @throws UnsupportedEncodingException In case of issue with the charset + * conversion */ public static String encrypt(String value) throws GeneralSecurityException { Cipher cipher = Cipher.getInstance(ALGORITHM_DETAILS, "SunJCE"); @@ -119,14 +114,11 @@ public final class CryptoUtils { /** * Decrypt a value based on the Clamp Encryption Key. * - * @param message - * The encrypted string that must be decrypted using the Clamp - * Encryption Key + * @param message The encrypted string that must be decrypted using the Clamp + * Encryption Key * @return The String decrypted - * @throws GeneralSecurityException - * In case of issue with the encryption - * @throws DecoderException - * In case of issue to decode the HexString + * @throws GeneralSecurityException In case of issue with the encryption + * @throws DecoderException In case of issue to decode the HexString */ public static String decrypt(String message) throws GeneralSecurityException, DecoderException { byte[] encryptedMessage = Hex.decodeHex(message.toCharArray()); @@ -141,11 +133,9 @@ public final class CryptoUtils { /** * Method used to generate the SecretKeySpec from a Base64 String. * - * @param keyString - * The key as a string in Base 64 + * @param keyString The key as a string in Base 64 * @return The SecretKeySpec created - * @throws DecoderException - * In case of issues with the decoding of Base64 + * @throws DecoderException In case of issues with the decoding of Base64 */ private static SecretKeySpec getSecretKeySpec(String keyString) throws DecoderException { byte[] key = Hex.decodeHex(keyString.toCharArray()); @@ -155,20 +145,19 @@ public final class CryptoUtils { /** * Reads SecretKeySpec from file specified by propertiesFileName. * - * @param propertiesFileName - * File name with properties + * @param propertiesFileName File name with properties * @return SecretKeySpec secret key spec read from propertiesFileName */ private static SecretKeySpec readSecretKeySpec(String propertiesFileName) { Properties props = new Properties(); try { - //Workaround fix to make encryption key configurable + // Workaround fix to make encryption key configurable // System environment variable takes precedence for over clds/key.properties String encryptionKey = System.getenv(AES_ENCRYPTION_KEY); - if(encryptionKey != null && encryptionKey.trim().length() > 0) { + if (encryptionKey != null && encryptionKey.trim().length() > 0) { return getSecretKeySpec(encryptionKey); } else { - props.load(ResourceFileUtil.getResourceAsStream(propertiesFileName)); + props.load(ResourceFileUtils.getResourceAsStream(propertiesFileName)); return getSecretKeySpec(props.getProperty(KEY_PARAM)); } } catch (IOException | DecoderException e) {