this repository contains 3 mains :
- crypto.ex use for test ( take a file, crypt and decrypt this file in one step )
products a crypted and decrypted file.

• crypt.ex : allow to crypt a file with aes algorithms
  ./crypt.ex
  products the crypted file and a json file which contain aes key and aes IV key.

• decrypt.ex : allow to uncrypt a file from a crypted file and a json key file.
  ./decrypt.ex
  products the uncrypted file.