1 files changed, 0 insertions, 74 deletions
diff --git a/src/pubkey/ecdsa/ecdsa_op.cpp b/src/pubkey/ecdsa/ecdsa_op.cpp
deleted file mode 100644
index dd92ac5c0..000000000
--- a/src/pubkey/ecdsa/ecdsa_op.cpp
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
-* ECDSA Operation
-* (C) 2007 FlexSecure GmbH
-*     2008-2010 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/ecdsa_op.h>
-#include <botan/numthry.h>
-
-namespace Botan {
-
-Default_ECDSA_Op::Default_ECDSA_Op(const EC_Domain_Params& domain,
-                                   const BigInt& priv,
-                                   const PointGFp& pub) :
-   dom_pars(domain), mod_n(dom_pars.get_order()),
-   pub_key(pub), priv_key(priv)
-   {
-   }
-
-bool Default_ECDSA_Op::verify(const byte msg[], u32bit msg_len,
-                              const byte sig[], u32bit sig_len) const
-   {
-   const BigInt& n = dom_pars.get_order();
-
-   if(sig_len != n.bytes()*2)
-      return false;
-
-   BigInt e(msg, msg_len);
-
-   BigInt r(sig, sig_len / 2);
-   BigInt s(sig + sig_len / 2, sig_len / 2);
-
-   if(r < 0 || r >= n || s < 0 || s >= n)
-      return false;
-
-   BigInt w = inverse_mod(s, n);
-
-   PointGFp R = w * (e * dom_pars.get_base_point() + r*pub_key);
-   if(R.is_zero())
-      return false;
-
-   return (mod_n.reduce(R.get_affine_x()) == r);
-   }
-
-SecureVector<byte> Default_ECDSA_Op::sign(const byte msg[], u32bit msg_len,
-                                          const BigInt& k) const
-   {
-   if(priv_key == 0)
-      throw Internal_Error("Default_ECDSA_Op::sign(): no private key");
-
-   const BigInt& n = dom_pars.get_order();
-
-   BigInt e(msg, msg_len);
-
-   PointGFp k_times_P = dom_pars.get_base_point() * k;
-   BigInt r = mod_n.reduce(k_times_P.get_affine_x());
-
-   if(r == 0)
-      throw Internal_Error("Default_ECDSA_Op::sign: r was zero");
-
-   BigInt k_inv = inverse_mod(k, n);
-
-   BigInt s = mod_n.reduce(mod_n.multiply(r, priv_key) + e);
-   s = mod_n.multiply(s, k_inv);
-
-   SecureVector<byte> output(2*n.bytes());
-   r.binary_encode(output + (output.size() / 2 - r.bytes()));
-   s.binary_encode(output + (output.size() - s.bytes()));
-   return output;
-   }
-
-}