Added a modified libtomcrypt with DSA and RSA algorithms.

1 files changed, 0 insertions, 72 deletions

diff --git a/libtomcrypt/pk/dsa/dsa_shared_secret.c b/libtomcrypt/pk/dsa/dsa_shared_secret.c
deleted file mode 100644
index ba7170f..0000000
--- a/libtomcrypt/pk/dsa/dsa_shared_secret.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/* 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://libtom.org
- */
-#include "tomcrypt.h"
-
-/**
-  @file dsa_shared_secret.c
-  DSA Crypto, Tom St Denis
-*/  
-
-#ifdef LTC_MDSA
-
-/**
-  Create a DSA shared secret between two keys
-  @param private_key      The private DSA key (the exponent)
-  @param base             The base of the exponentiation (allows this to be used for both encrypt and decrypt) 
-  @param public_key       The public key
-  @param out              [out] Destination of the shared secret
-  @param outlen           [in/out] The max size and resulting size of the shared secret
-  @return CRYPT_OK if successful
-*/
-int dsa_shared_secret(void          *private_key, void *base,
-                      dsa_key       *public_key,
-                      unsigned char *out,         unsigned long *outlen)
-{
-   unsigned long  x;
-   void          *res;
-   int            err;
-
-   LTC_ARGCHK(private_key != NULL);
-   LTC_ARGCHK(public_key  != NULL);
-   LTC_ARGCHK(out         != NULL);
-   LTC_ARGCHK(outlen      != NULL);
-
-   /* make new point */
-   if ((err = mp_init(&res)) != CRYPT_OK) {
-      return err;
-   }
-
-   if ((err = mp_exptmod(base, private_key, public_key->p, res)) != CRYPT_OK) {
-      mp_clear(res);
-      return err;
-   }
-   
-   x = (unsigned long)mp_unsigned_bin_size(res);
-   if (*outlen < x) {
-      *outlen = x;
-      err = CRYPT_BUFFER_OVERFLOW;
-      goto done;
-   }
-   zeromem(out, x);
-   if ((err = mp_to_unsigned_bin(res, out + (x - mp_unsigned_bin_size(res))))   != CRYPT_OK)          { goto done; }
-
-   err     = CRYPT_OK;
-   *outlen = x;
-done:
-   mp_clear(res);
-   return err;
-}
-
-#endif
-/* $Source: /cvs/libtom/libtomcrypt/src/pk/dsa/dsa_shared_secret.c,v $ */
-/* $Revision: 1.9 $ */
-/* $Date: 2007/05/12 14:32:35 $ */
-