X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/e7eb3a2744aa45179daea235800753d3d1955338..0c1d42ad03f7e49b23755209f5b1f295cbe21f6b:/lib/authhash.c

diff --git a/lib/authhash.c b/lib/authhash.c
index 9d36fef..c06c233 100644
--- a/lib/authhash.c
+++ b/lib/authhash.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder
- * Copyright (C) 2004, 2006, 2007 Richard Kettlewell
+ * Copyright (C) 2004, 2006, 2007, 2009 Richard Kettlewell
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -28,7 +28,10 @@
 
 /** @brief Structure of algorithm lookup table */
 struct algorithm {
+  /** @brief DisOrder algorithm name */
   const char *name;
+
+  /** @brief gcrypt algorithm ID */
   int id;
 };
 
@@ -56,14 +59,15 @@ static const struct algorithm algorithms[] = {
  * @param nchallenge Size of challenge
  * @param password Password
  * @param algo Algorithm to use
+ * @return Hex string or NULL on error
  *
  * Computes H(challenge|password) and returns it as a newly allocated hex
  * string, or returns NULL on error.
  */
-const char *authhash(const void *challenge, size_t nchallenge,
-		     const char *password, const char *algo) {
+char *authhash(const void *challenge, size_t nchallenge,
+               const char *password, const char *algo) {
   gcrypt_hash_handle h;
-  const char *res;
+  char *res;
   size_t n;
   int id;
 
@@ -81,7 +85,7 @@ const char *authhash(const void *challenge, size_t nchallenge,
     gcry_error_t e;
     
     if((e = gcry_md_open(&h, id, 0))) {
-      error(0, "gcry_md_open: %s", gcry_strerror(e));
+      disorder_error(0, "gcry_md_open: %s", gcry_strerror(e));
       return 0;
     }
   }