This is a simple project to simulate a encrypt images and decrypt, to use this tool you can download this project and execute the command:

#Encrypt

$ go run . encrypt <file-path>

#Decrypt

$ go run . decrypt <file-path>

After the method (encrypt or decrypt) you can write the file path to encrypt or decrypt the image. The app simulate a login with password, validating the same, to encrypt and decrypt the file.