1 files changed, 0 insertions, 107 deletions
diff --git a/src/engine/gnump/gmp_nr.cpp b/src/engine/gnump/gmp_nr.cpp
deleted file mode 100644
index 7d6fe536d..000000000
--- a/src/engine/gnump/gmp_nr.cpp
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
-* GMP NR Engine
-* (C) 1999-2007 Jack Lloyd
-*
-* Distributed under the terms of the Botan license
-*/
-
-#include <botan/internal/gnump_engine.h>
-#include <botan/internal/gmp_wrap.h>
-#include <gmp.h>
-
-namespace Botan {
-
-#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
-
-namespace {
-
-/*
-* GMP NR Operation
-*/
-class GMP_NR_Op : public NR_Operation
-   {
-   public:
-      SecureVector<byte> verify(const byte[], u32bit) const;
-      SecureVector<byte> sign(const byte[], u32bit, const BigInt&) const;
-
-      NR_Operation* clone() const { return new GMP_NR_Op(*this); }
-
-      GMP_NR_Op(const DL_Group& group, const BigInt& y1, const BigInt& x1) :
-         x(x1), y(y1), p(group.get_p()), q(group.get_q()), g(group.get_g()) {}
-   private:
-      const GMP_MPZ x, y, p, q, g;
-   };
-
-/*
-* GMP NR Verify Operation
-*/
-SecureVector<byte> GMP_NR_Op::verify(const byte sig[], u32bit sig_len) const
-   {
-   const u32bit q_bytes = q.bytes();
-
-   if(sig_len != 2*q_bytes)
-      return false;
-
-   GMP_MPZ c(sig, q_bytes);
-   GMP_MPZ d(sig + q_bytes, q_bytes);
-
-   if(mpz_cmp_ui(c.value, 0) <= 0 || mpz_cmp(c.value, q.value) >= 0 ||
-                                     mpz_cmp(d.value, q.value) >= 0)
-      throw Invalid_Argument("GMP_NR_Op::verify: Invalid signature");
-
-   GMP_MPZ i1, i2;
-   mpz_powm(i1.value, g.value, d.value, p.value);
-   mpz_powm(i2.value, y.value, c.value, p.value);
-   mpz_mul(i1.value, i1.value, i2.value);
-   mpz_mod(i1.value, i1.value, p.value);
-   mpz_sub(i1.value, c.value, i1.value);
-   mpz_mod(i1.value, i1.value, q.value);
-   return BigInt::encode(i1.to_bigint());
-   }
-
-/*
-* GMP NR Sign Operation
-*/
-SecureVector<byte> GMP_NR_Op::sign(const byte in[], u32bit length,
-                                    const BigInt& k_bn) const
-   {
-   if(mpz_cmp_ui(x.value, 0) == 0)
-      throw Internal_Error("GMP_NR_Op::sign: No private key");
-
-   GMP_MPZ f(in, length);
-   GMP_MPZ k(k_bn);
-
-   if(mpz_cmp(f.value, q.value) >= 0)
-      throw Invalid_Argument("GMP_NR_Op::sign: Input is out of range");
-
-   GMP_MPZ c, d;
-   mpz_powm(c.value, g.value, k.value, p.value);
-   mpz_add(c.value, c.value, f.value);
-   mpz_mod(c.value, c.value, q.value);
-   mpz_mul(d.value, x.value, c.value);
-   mpz_sub(d.value, k.value, d.value);
-   mpz_mod(d.value, d.value, q.value);
-
-   if(mpz_cmp_ui(c.value, 0) == 0)
-      throw Internal_Error("Default_NR_Op::sign: c was zero");
-
-   const u32bit q_bytes = q.bytes();
-   SecureVector<byte> output(2*q_bytes);
-   c.encode(output, q_bytes);
-   d.encode(output + q_bytes, q_bytes);
-   return output;
-   }
-
-}
-
-/*
-* Acquire a NR op
-*/
-NR_Operation* GMP_Engine::nr_op(const DL_Group& group, const BigInt& y,
-                                const BigInt& x) const
-   {
-   return new GMP_NR_Op(group, y, x);
-   }
-#endif
-
-}