--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crypt_prng_is_valid.c	Mon May 31 18:25:41 2004 +0000
@@ -0,0 +1,19 @@
+/* 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, [email protected], http://libtomcrypt.org
+ */
+#include "mycrypt.h"
+
+int prng_is_valid(int idx)
+{
+   if (idx < 0 || idx >= TAB_SIZE || prng_descriptor[idx].name == NULL) {
+      return CRYPT_INVALID_PRNG;
+   }
+   return CRYPT_OK;
+}