diff options
Diffstat (limited to 'openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java')
| -rw-r--r-- | openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java index 71ac6151f7..d69471e398 100644 --- a/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java +++ b/openecomp-be/backend/openecomp-sdc-security-util/src/main/java/org/openecomp/sdc/securityutil/CipherUtil.java @@ -17,7 +17,6 @@ * limitations under the License. * ============LICENSE_END========================================================= */ - package org.openecomp.sdc.securityutil; import java.security.SecureRandom; @@ -31,18 +30,17 @@ import org.slf4j.LoggerFactory; public class CipherUtil { - private static Logger log = LoggerFactory.getLogger(CipherUtil.class.getName()); + public static final int GCM_TAG_LENGTH = 16; + public static final int GCM_IV_LENGTH = 12; private static final String ALGORITHM = "AES"; private static final String ALGORITHM_DETAILS = ALGORITHM + "/GCM/NoPadding"; private static final String CIPHER_PROVIDER = "SunJCE"; - - public static final int GCM_TAG_LENGTH = 16; - public static final int GCM_IV_LENGTH = 12; - private static final byte[] EMPTY_BYTE_ARRAY = new byte[0]; private static final String ALGORITHM_NAME = "SHA1PRNG"; + private static Logger log = LoggerFactory.getLogger(CipherUtil.class.getName()); - private CipherUtil() {} + private CipherUtil() { + } /** * Encrypt the text using the secret key in key.properties file @@ -59,11 +57,9 @@ public class CipherUtil { cipher = Cipher.getInstance(ALGORITHM_DETAILS, CIPHER_PROVIDER); SecureRandom secureRandom = SecureRandom.getInstance(ALGORITHM_NAME); secureRandom.nextBytes(iv); - GCMParameterSpec spec = - new GCMParameterSpec(GCM_TAG_LENGTH * java.lang.Byte.SIZE, iv); + GCMParameterSpec spec = new GCMParameterSpec(GCM_TAG_LENGTH * java.lang.Byte.SIZE, iv); cipher.init(Cipher.ENCRYPT_MODE, getSecretKeySpec(base64key), spec); finalByte = cipher.doFinal(value.getBytes()); - } catch (Exception ex) { log.error("encrypt failed", ex); throw new CipherUtilException(ex); @@ -74,12 +70,10 @@ public class CipherUtil { /** * Decrypts the text using the secret key in key.properties file. * - * @param message The encrypted string that must be decrypted using the ONAP Portal Encryption - * Key + * @param message The encrypted string that must be decrypted using the ONAP Portal Encryption Key * @return The String decrypted * @throws CipherUtilException if any decryption step fails */ - public static String decryptPKC(String message, String base64key) throws CipherUtilException { byte[] encryptedMessage = Base64.decodeBase64(message); Cipher cipher; @@ -87,12 +81,10 @@ public class CipherUtil { try { cipher = Cipher.getInstance(ALGORITHM_DETAILS, CIPHER_PROVIDER); byte[] initVector = Arrays.copyOfRange(encryptedMessage, 0, GCM_IV_LENGTH); - GCMParameterSpec spec = - new GCMParameterSpec(GCM_TAG_LENGTH * java.lang.Byte.SIZE, initVector); + GCMParameterSpec spec = new GCMParameterSpec(GCM_TAG_LENGTH * java.lang.Byte.SIZE, initVector); byte[] realData = subarray(encryptedMessage, GCM_IV_LENGTH, encryptedMessage.length); cipher.init(Cipher.DECRYPT_MODE, getSecretKeySpec(base64key), spec); decrypted = cipher.doFinal(realData); - } catch (Exception ex) { log.error("decrypt failed", ex); throw new CipherUtilException(ex); @@ -129,11 +121,9 @@ public class CipherUtil { if (startIndexInclusive < 0) { startIndexInclusive = 0; } - if (endIndexExclusive > array.length) { endIndexExclusive = array.length; } - int newSize = endIndexExclusive - startIndexInclusive; if (newSize <= 0) { return EMPTY_BYTE_ARRAY; |