def encryption_materials()

in src/dynamodb_encryption_sdk/material_providers/aws_kms.py [0:0]

• 17 lines of code
• 1 McCabe index (conditional complexity)

    def encryption_materials(self, encryption_context):
        # type: (EncryptionContext) -> RawEncryptionMaterials
        """Provide encryption materials.

        :param EncryptionContext encryption_context: Encryption context for request
        :returns: Encryption materials
        :rtype: RawEncryptionMaterials
        """
        initial_material, encrypted_initial_material = self._generate_initial_material(encryption_context)
        encryption_material_description = encryption_context.material_description.copy()
        encryption_material_description.update(
            {
                _COVERED_ATTR_CTX_KEY: _KEY_COVERAGE,
                MaterialDescriptionKeys.CONTENT_KEY_WRAPPING_ALGORITHM.value: "kms",
                MaterialDescriptionKeys.CONTENT_ENCRYPTION_ALGORITHM.value: self._content_key_info.description,
                MaterialDescriptionKeys.ITEM_SIGNATURE_ALGORITHM.value: self._signing_key_info.description,
                MaterialDescriptionKeys.WRAPPED_DATA_KEY.value: to_str(base64.b64encode(encrypted_initial_material)),
            }
        )
        return RawEncryptionMaterials(
            signing_key=self._mac_key(initial_material, self._signing_key_info),
            encryption_key=self._encryption_key(initial_material, self._content_key_info),
            material_description=encryption_material_description,
        )