Added experimental DefyX support

src/crypto/defyx/defyx.h

@@ -0,0 +1,57 @@
+/*
+Copyright (c) 2018-2019, tevador <tevador@gmail.com>
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+	* Redistributions of source code must retain the above copyright
+	  notice, this list of conditions and the following disclaimer.
+	* 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.
+	* 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.
+*/
+
+#ifndef DEFYX_H
+#define DEFYX_H
+
+#include "crypto/randomx/randomx.h"
+
+struct RandomX_ConfigurationScala : public RandomX_ConfigurationBase { RandomX_ConfigurationScala(); };
+
+extern RandomX_ConfigurationScala RandomX_ScalaConfig;
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/**
+ * Calculates a RandomX hash value.
+ *
+ * @param machine is a pointer to a randomx_vm structure. Must not be NULL.
+ * @param input is a pointer to memory to be hashed. Must not be NULL.
+ * @param inputSize is the number of bytes to be hashed.
+ * @param output is a pointer to memory where the hash will be stored. Must not
+ *        be NULL and at least RANDOMX_HASH_SIZE bytes must be available for writing.
+*/
+RANDOMX_EXPORT void defyx_calculate_hash(randomx_vm *machine, const void *input, size_t inputSize, void *output);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif