add bulletproofs to the build, with basic unit tests

Based on Java code from Sarang Noether

1 files changed, 78 insertions, 0 deletions

diff --git a/src/ringct/bulletproofs.h b/src/ringct/bulletproofs.h
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index 000000000..a1e7df7ea
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+++ b/src/ringct/bulletproofs.h
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+// Copyright (c) 2017, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Adapted from Java code by Sarang Noether
+
+#pragma once
+
+#ifndef BULLETPROOFS_H
+#define BULLETPROOFS_H
+
+#include "serialization/serialization.h"
+#include "ringct/rctOps.h"
+
+namespace rct
+{
+
+struct Bulletproof
+{
+  rct::key V, A, S, T1, T2;
+  rct::key taux, mu;
+  rct::keyV L, R;
+  rct::key a, b, t;
+
+  Bulletproof() {}
+  Bulletproof(const rct::key &V, const rct::key &A, const rct::key &S, const rct::key &T1, const rct::key &T2, const rct::key &taux, const rct::key &mu, const rct::keyV &L, const rct::keyV &R, const rct::key &a, const rct::key &b, const rct::key &t):
+    V(V), A(A), S(S), T1(T1), T2(T2), taux(taux), mu(mu), L(L), R(R), a(a), b(b), t(t) {}
+
+  BEGIN_SERIALIZE_OBJECT()
+    FIELD(V)
+    FIELD(A)
+    FIELD(S)
+    FIELD(T1)
+    FIELD(T2)
+    FIELD(taux)
+    FIELD(mu)
+    FIELD(L)
+    FIELD(R)
+    FIELD(a)
+    FIELD(b)
+    FIELD(t)
+
+    if (L.empty() || L.size() != R.size())
+      return false;
+  END_SERIALIZE()
+};
+
+Bulletproof bulletproof_PROVE(const rct::key &v, const rct::key &gamma);
+Bulletproof bulletproof_PROVE(uint64_t v, const rct::key &gamma);
+bool bulletproof_VERIFY(const Bulletproof &proof);
+
+}
+
+#endif