Package com.microstrategy.utils

Class EncryptionUtil

  • public class EncryptionUtil
extends java.lang.Object
    Utility class for Encryption

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String MD5_ALGORITHM  
      static java.lang.String SHA1_ALGORITHM  

    • Constructor Summary

      Constructors 
      Constructor Description
      EncryptionUtil()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static byte[] decrypt​(java.lang.String base64EncryptedStringValue, java.lang.String key)  
      static java.lang.String decryptToString​(java.lang.String base64EncryptedStringValue, java.lang.String key)  
      static byte[] encrypt​(java.lang.String dataToEncrypt, java.lang.String key)
      Encrypts the given data
      static java.lang.String encryptToBase64String​(java.lang.String dataToEncrypt, java.lang.String key)
      Encrypts and returns base64 encoded String
      static java.lang.String printHexBinary​(byte[] data)
      Converts byte[] to hex String Copy of javax.xml.bind.DatatypeConverter (Lower case letter though)

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • MD5_ALGORITHM

        public static java.lang.String MD5_ALGORITHM

      • SHA1_ALGORITHM

        public static java.lang.String SHA1_ALGORITHM

    • Constructor Detail

      • EncryptionUtil

        public EncryptionUtil()

    • Method Detail

      • encrypt

        public static byte[] encrypt​(java.lang.String dataToEncrypt,
                             java.lang.String key)
                      throws java.security.NoSuchAlgorithmException,
                             javax.crypto.NoSuchPaddingException,
                             java.security.InvalidKeyException,
                             javax.crypto.IllegalBlockSizeException,
                             javax.crypto.BadPaddingException
        Encrypts the given data
        Parameters:
        dataToEncrypt -
        key -
        Returns:
        Throws:
        java.security.NoSuchAlgorithmException
        javax.crypto.NoSuchPaddingException
        java.security.InvalidKeyException
        javax.crypto.IllegalBlockSizeException
        javax.crypto.BadPaddingException

      • encryptToBase64String

        public static java.lang.String encryptToBase64String​(java.lang.String dataToEncrypt,
                                                     java.lang.String key)
                                              throws java.security.NoSuchAlgorithmException,
                                                     javax.crypto.NoSuchPaddingException,
                                                     java.security.InvalidKeyException,
                                                     javax.crypto.IllegalBlockSizeException,
                                                     javax.crypto.BadPaddingException
        Encrypts and returns base64 encoded String
        Parameters:
        dataToEncrypt -
        key -
        Returns:
        Throws:
        java.security.NoSuchAlgorithmException
        javax.crypto.NoSuchPaddingException
        java.security.InvalidKeyException
        javax.crypto.IllegalBlockSizeException
        javax.crypto.BadPaddingException

      • decrypt

        public static byte[] decrypt​(java.lang.String base64EncryptedStringValue,
                             java.lang.String key)
                      throws java.security.NoSuchAlgorithmException,
                             javax.crypto.NoSuchPaddingException,
                             java.security.InvalidKeyException,
                             javax.crypto.IllegalBlockSizeException,
                             javax.crypto.BadPaddingException
        Parameters:
        base64EncryptedStringValue - Previously Encrypted base64EncodedString
        key -
        Returns:
        Throws:
        java.security.NoSuchAlgorithmException
        javax.crypto.NoSuchPaddingException
        java.security.InvalidKeyException
        javax.crypto.IllegalBlockSizeException
        javax.crypto.BadPaddingException

      • decryptToString

        public static java.lang.String decryptToString​(java.lang.String base64EncryptedStringValue,
                                               java.lang.String key)
                                        throws java.security.NoSuchAlgorithmException,
                                               javax.crypto.NoSuchPaddingException,
                                               java.security.InvalidKeyException,
                                               javax.crypto.IllegalBlockSizeException,
                                               javax.crypto.BadPaddingException
        Parameters:
        base64EncryptedStringValue - Previously Encrypted base64EncodedString
        hashKey -
        keySpecAlgorithm - ex. AES, DES etc.
        cipherAlgorithm - ex. "AES/ECB/PKCS5Padding". Refer to https://docs.oracle.com/javase/8/docs/api/javax/crypto/Cipher.html Limited modes & padding supported( as for ex. CBC mode requires additional parameters to be provided. and not supported here)
        Returns:
        Throws:
        java.security.NoSuchAlgorithmException
        javax.crypto.NoSuchPaddingException
        java.security.InvalidKeyException
        javax.crypto.IllegalBlockSizeException
        javax.crypto.BadPaddingException

      • printHexBinary

        public static java.lang.String printHexBinary​(byte[] data)
        Converts byte[] to hex String Copy of javax.xml.bind.DatatypeConverter (Lower case letter though)
        Parameters:
        data -
        Returns: