Allow Multi-Dimensional array to support encryption data without changing array key

These are the Test case which i have tested for please try with some different array structure.

Actual Array

Array
(
[Drupal] => Array
(
[Encrpt] => encrypt values
[decrypt] => decryption values
[check] => checking the encryption works fine or not
)

)
Encrypted Array
Array
(
[Drupal] => Array
(
[Encrpt] => TeSzb9xTAZ-W_31FgFDVGe34mmMZsmFznH3oIWZaBVSOKwreVzD95Pu99JVhWO3WCPqd3hPUHyBBUJIS7oE=
[decrypt] => LpEXa1AuSbt9jIQ2VamfQJfig7PbCEjGnUQtl7U9zVbvLPtGcy0LRb0u6FHteTspLoVPIzyhaMWh6g7QqM9rfaM=
[check] => wrn1c_d2kAmuhkoYUTr4kmubjosoMlkU9XpLvR1XKgkohNDSMLTKh1MUtfmJSsSrQHS2itIxXemdIfVlK6VHTi-r2Vztp26SFH06al4k_FB_tEwqazu17ZE=
)

)

Decrypted Array
Array
(
[Drupal] => Array
(
[Encrpt] => encrypt values
[decrypt] => decryption values
[check] => checking the encryption works fine or not
)

)