--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/strings.c	Mon May 31 18:21:40 2004 +0000
@@ -0,0 +1,86 @@
+/* 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
+ */
+
+/* Future releases will make use of this */
+#include "mycrypt.h"
+
+static const char *err_2_str[] =
+{
+   "CRYPT_OK",
+   "CRYPT_ERROR",
+   "Non-fatal 'no-operation' requested.",
+
+   "Invalid keysize for block cipher.",
+   "Invalid number of rounds for block cipher.",
+   "Algorithm failed test vectors.",
+
+   "Buffer overflow.",
+   "Invalid input packet.",
+
+   "Invalid number of bits for a PRNG.",
+   "Error reading the PRNG.",
+
+   "Invalid cipher specified.",
+   "Invalid hash specified.",
+   "Invalid PRNG specified.",
+
+   "Out of memory.",
+
+   "Invalid PK key or key type specified for function.",
+   "A private PK key is required.",
+
+   "Invalid argument provided.",
+   "File Not Found",
+
+   "Invalid PK type.",
+   "Invalid PK system.",
+   "Duplicate PK key found on keyring.",
+   "Key not found in keyring.",
+   "Invalid sized parameter.",
+
+   "Invalid size for prime.",
+
+};
+
+#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},
+};
+#endif
+
+const char *error_to_string(int err)
+{
+   if (err < 0 || err >= (int)(sizeof(err_2_str)/sizeof(err_2_str[0]))) {
+      return "Invalid error code.";
+   } else {
+      return err_2_str[err];
+   }   
+}
+
+#ifdef MPI
+/* convert a MPI error to a LTC error (Possibly the most powerful function ever!  Oh wait... no) */
+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
+