Simple nodejs aes 256 encryption and decryption

### step 1: install crypto-js

### step 2: implement aes encryption and decryption
below is a code example that demonstrates how to encrypt and decrypt a string using aes 256 encryption:

in this code example:
- we import the `crypto-js` library and define functions for encryption and decryption.
- we use a secret key for encryption and decryption (`supersecretkey123`).
- we encrypt the original data (`hello, this is a secret message!`) and then decrypt the encrypted data.

### step 3: run the code

you should see the original data, encrypted data, and decrypted data printed in the console.

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#python aes 256 encryption example
#python 256 bit
#python 256 bit integer
#python 256
#python aes 256 gcm

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