CLSAG signatures

1 files changed, 87 insertions, 0 deletions

diff --git a/tests/performance_tests/sig_mlsag.h b/tests/performance_tests/sig_mlsag.h
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+// Copyright (c) 2014-2019, 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.
+// 
+// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
+
+#pragma once
+
+#include "ringct/rctSigs.h"
+#include "cryptonote_basic/cryptonote_basic.h"
+
+#include "single_tx_test_base.h"
+
+template<size_t ring_size, bool ver>
+class test_sig_mlsag : public single_tx_test_base
+{
+public:
+  static const size_t cols = ring_size;
+  static const size_t rows = 2; // 1 spend + 1 commitment
+  static const size_t loop_count = 1000;
+
+  bool init()
+  {
+    if (!single_tx_test_base::init())
+      return false;
+
+    rct::keyV xtmp = rct::skvGen(rows);
+    rct::keyM xm = rct::keyMInit(rows, cols);// = [[None]*N] #just used to generate test public keys
+    sk = rct::skvGen(rows);
+    P  = rct::keyMInit(rows, cols);// = keyM[[None]*N] #stores the public keys;
+    ind = 0; // fixed spend index
+    for (size_t j = 0 ; j < rows ; j++)
+    {
+        for (size_t i = 0 ; i < cols ; i++)
+        {
+            xm[i][j] = rct::skGen();
+            P[i][j] = rct::scalarmultBase(xm[i][j]);
+        }
+    }
+    for (size_t j = 0 ; j < rows ; j++)
+    {
+        sk[j] = xm[ind][j];
+    }
+    IIccss = MLSAG_Gen(rct::identity(), P, sk, NULL, NULL, ind, rows-1, hw::get_device("default"));
+
+    return true;
+  }
+
+  bool test()
+  {
+    if (ver)
+      return MLSAG_Ver(rct::identity(), P, IIccss, rows-1);
+    else
+      MLSAG_Gen(rct::identity(), P, sk, NULL, NULL, ind, rows-1, hw::get_device("default"));
+    return true;
+  }
+
+private:
+  rct::keyV sk;
+  rct::keyM P;
+  size_t ind;
+  rct::mgSig IIccss;
+};