1 files changed, 49 insertions, 0 deletions
diff --git a/src/misc/crypt/crypt_find_hash_any.c b/src/misc/crypt/crypt_find_hash_any.c
new file mode 100644
index 0000000..1172f22
--- /dev/null
+++ b/src/misc/crypt/crypt_find_hash_any.c
@@ -0,0 +1,49 @@
+/* LibTomCrypt, modular cryptographic library -- Tom St Denis
+ *
+ * LibTomCrypt is a library that provides various cryptographic
+ * algorithms in a highly modular and flexible manner.
+ *
+ * The library is free for all purposes without any express
+ * guarantee it works.
+ *
+ * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org
+ */
+#include "tomcrypt.h"
+
+/**
+  @file crypt_find_hash_any.c
+  Find a hash, Tom St Denis
+*/
+
+/**
+   Find a hash flexibly.  First by name then if not present by digest size 
+   @param name        The name of the hash desired
+   @param digestlen   The minimum length of the digest size (octets)
+   @return >= 0 if found, -1 if not present
+*/int find_hash_any(const char *name, int digestlen)
+{
+   int x, y, z;
+   LTC_ARGCHK(name != NULL);
+
+   x = find_hash(name);
+   if (x != -1) return x;
+
+   LTC_MUTEX_LOCK(&ltc_hash_mutex);
+   y = MAXBLOCKSIZE+1;
+   z = -1;
+   for (x = 0; x < TAB_SIZE; x++) {
+       if (hash_descriptor[x].name == NULL) {
+          continue;
+       }
+       if ((int)hash_descriptor[x].hashsize >= digestlen && (int)hash_descriptor[x].hashsize < y) {
+          z = x;
+          y = hash_descriptor[x].hashsize;
+       }
+   }
+   LTC_MUTEX_UNLOCK(&ltc_hash_mutex);
+   return z;
+}
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/crypt/crypt_find_hash_any.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2005/06/19 18:00:28 $ */