1 files changed, 0 insertions, 111 deletions
diff --git a/src/libstate/engine/openssl/ossl_nr.cpp b/src/libstate/engine/openssl/ossl_nr.cpp
deleted file mode 100644
index 210e2fec2..000000000
--- a/src/libstate/engine/openssl/ossl_nr.cpp
+++ /dev/null
@@ -1,111 +0,0 @@
-/*************************************************
-* OpenSSL NR Engine Source File                  *
-* (C) 1999-2007 Jack Lloyd                       *
-*************************************************/
-
-#include <botan/eng_ossl.h>
-#include <botan/bn_wrap.h>
-#include <openssl/opensslv.h>
-
-#if OPENSSL_VERSION_NUMBER < 0x0090700F
-  #error Your OpenSSL install is too old, upgrade to 0.9.7 or later
-#endif
-
-namespace Botan {
-
-#if defined(BOTAN_HAS_NYBERG_RUEPPEL)
-
-namespace {
-
-/*************************************************
-* OpenSSL NR Operation                           *
-*************************************************/
-class OpenSSL_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 OpenSSL_NR_Op(*this); }
-
-      OpenSSL_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 OSSL_BN x, y, p, q, g;
-      OSSL_BN_CTX ctx;
-   };
-
-/*************************************************
-* OpenSSL NR Verify Operation                    *
-*************************************************/
-SecureVector<byte> OpenSSL_NR_Op::verify(const byte sig[],
-                                         u32bit sig_len) const
-   {
-   const u32bit q_bytes = q.bytes();
-
-   if(sig_len != 2*q_bytes)
-      return false;
-
-   OSSL_BN c(sig, q_bytes);
-   OSSL_BN d(sig + q_bytes, q_bytes);
-
-   if(BN_is_zero(c.value) || BN_cmp(c.value, q.value) >= 0 ||
-                             BN_cmp(d.value, q.value) >= 0)
-      throw Invalid_Argument("OpenSSL_NR_Op::verify: Invalid signature");
-
-   OSSL_BN i1, i2;
-   BN_mod_exp(i1.value, g.value, d.value, p.value, ctx.value);
-   BN_mod_exp(i2.value, y.value, c.value, p.value, ctx.value);
-   BN_mod_mul(i1.value, i1.value, i2.value, p.value, ctx.value);
-   BN_sub(i1.value, c.value, i1.value);
-   BN_nnmod(i1.value, i1.value, q.value, ctx.value);
-   return BigInt::encode(i1.to_bigint());
-   }
-
-/*************************************************
-* OpenSSL NR Sign Operation                      *
-*************************************************/
-SecureVector<byte> OpenSSL_NR_Op::sign(const byte in[], u32bit length,
-                                       const BigInt& k_bn) const
-   {
-   if(BN_is_zero(x.value))
-      throw Internal_Error("OpenSSL_NR_Op::sign: No private key");
-
-   OSSL_BN f(in, length);
-   OSSL_BN k(k_bn);
-
-   if(BN_cmp(f.value, q.value) >= 0)
-      throw Invalid_Argument("OpenSSL_NR_Op::sign: Input is out of range");
-
-   OSSL_BN c, d;
-   BN_mod_exp(c.value, g.value, k.value, p.value, ctx.value);
-   BN_add(c.value, c.value, f.value);
-   BN_nnmod(c.value, c.value, q.value, ctx.value);
-   BN_mul(d.value, x.value, c.value, ctx.value);
-   BN_sub(d.value, k.value, d.value);
-   BN_nnmod(d.value, d.value, q.value, ctx.value);
-
-   if(BN_is_zero(c.value))
-      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* OpenSSL_Engine::nr_op(const DL_Group& group, const BigInt& y,
-                                    const BigInt& x) const
-   {
-   return new OpenSSL_NR_Op(group, y, x);
-   }
-#endif
-
-}