crypto/autoload.c

   1 /*
   2  * Cryptographic API.
   3  *
   4  * Algorithm autoloader.
   5  *
   6  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
   7  *
   8  * This program is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by the Free
  10  * Software Foundation; either version 2 of the License, or (at your option)
  11  * any later version.
  12  *
  13  */
  14 #include <linux/kernel.h>
  15 #include <linux/crypto.h>
  16 #include <linux/string.h>
  17 #include <linux/kmod.h>
  18 #include "internal.h"
  19
  20 /*
  21  * A far more intelligent version of this is planned.  For now, just
  22  * try an exact match on the name of the algorithm.
  23  */
  24 void crypto_alg_autoload(const char *name)
  25 {
  26         request_module("%s", name);
  27 }
  28
  29 struct crypto_alg *crypto_alg_mod_lookup(const char *name)
  30 {
  31         struct crypto_alg *alg = crypto_alg_lookup(name);
  32         if (alg == NULL) {
  33                 crypto_alg_autoload(name);
  34                 alg = crypto_alg_lookup(name);
  35         }
  36         return alg;
  37 }