/* The following definitions come from auth/ntlm/auth_util.c */
-NTSTATUS auth_get_challenge_not_implemented(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx, DATA_BLOB *challenge);
+NTSTATUS auth_get_challenge_not_implemented(struct auth_method_context *ctx, TALLOC_CTX *mem_ctx, uint8_t chal[8]);
/****************************************************************************
Create an auth_usersupplied_data structure after appropriate mapping.