import nycklar.nodes as nodes
from cryptography.fernet import Fernet

def encripta(username):

    key = nodes.key
    fernet = Fernet(key)

    string_original = username
    string_encriptado = fernet.encrypt(string_original.encode("utf-8"))
    string_desencriptado = fernet.decrypt(string_encriptado).decode("utf-8")

    print("String original:", string_original)
    print("String encriptado:", string_encriptado)
    print("String desencriptado:", string_desencriptado)

    return string_encriptado

if __name__ == "__main__":
    
    print(encripta('briggsboardman'))
    #pass