def install_bower(self, package, save=True, save_dev=False):
        """Installs a bower package.

        :param save: if `True`, pins the package to the Hydrogen requirements
            YAML file.
        :param save_dev: if `True`, pins the package as a development
            dependency to the Hydrogen requirements YAML file.
        :param return: a list of tuples, containing all installed package names
            and versions, including any dependencies.
        """
        requirement = Requirement.coerce(package)
        url = Bower.get_package_url(requirement.package)

        installed = []
        for name, _ in self.get_bower_package(url):
            installed.append(Requirement(name, requirement.version))

        for requirement in installed:
            if save:
                self.requirements["bower"].add(requirement, replace=True)
            if save_dev:
                self.requirements["bower-dev"].add(requirement, replace=True)
            success("installed {}".format(str(requirement)))
        if save or save_dev:
            self.requirements.save()
        return installed
def _encrypted_user_photo_key_str(self):
        """
        Software Secure needs to have both UserPhoto and PhotoID decrypted in
        the same manner. So even though this is going to be the same for every
        request, we're also using RSA encryption to encrypt the AES key for
        faces.
        """
        face_aes_key_str = settings.VERIFY_STUDENT["SOFTWARE_SECURE"]["FACE_IMAGE_AES_KEY"]
        face_aes_key = face_aes_key_str.decode("hex")
        rsa_key_str = settings.VERIFY_STUDENT["SOFTWARE_SECURE"]["RSA_PUBLIC_KEY"]
        rsa_encrypted_face_aes_key = rsa_encrypt(face_aes_key, rsa_key_str)

        return rsa_encrypted_face_aes_key.encode("base64")