propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3)

            to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)

--HG--
extra : convert_revision : dc4809882e1b9f2dcd3f8bbe38c74a0a52c39ce4

1 files changed, 48 insertions, 0 deletions

diff --git a/libtomcrypt/src/misc/mpi/mpi_to_ltc_error.c b/libtomcrypt/src/misc/mpi/mpi_to_ltc_error.c
new file mode 100644
index 0000000..bc39ea1
--- /dev/null
+++ b/libtomcrypt/src/misc/mpi/mpi_to_ltc_error.c
@@ -0,0 +1,48 @@
+/* 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 mpi_to_ltc_error.c
+  Convert MPI errors to LTC, Tom St Denis
+*/  
+
+#ifdef MPI
+static const struct {
+    int mpi_code, ltc_code;
+} mpi_to_ltc_codes[] = {
+   { MP_OKAY ,  CRYPT_OK},
+   { MP_MEM  ,  CRYPT_MEM},
+   { MP_VAL  ,  CRYPT_INVALID_ARG},
+};
+
+/**
+   Convert a MPI error to a LTC error (Possibly the most powerful function ever!  Oh wait... no) 
+   @param err    The error to convert
+   @return The equivalent LTC error code or CRYPT_ERROR if none found
+*/
+int mpi_to_ltc_error(int err)
+{
+   int x;
+
+   for (x = 0; x < (int)(sizeof(mpi_to_ltc_codes)/sizeof(mpi_to_ltc_codes[0])); x++) {
+       if (err == mpi_to_ltc_codes[x].mpi_code) { 
+          return mpi_to_ltc_codes[x].ltc_code;
+       }
+   }
+   return CRYPT_ERROR;
+}
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/misc/mpi/mpi_to_ltc_error.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:59 $ */