v3.7.4

algo/jh/jh-hash-4way.h

@@ -0,0 +1,100 @@
+/* $Id: sph_jh.h 216 2010-06-08 09:46:57Z tp $ */
+/**
+ * JH interface. JH is a family of functions which differ by
+ * their output size; this implementation defines JH for output
+ * sizes 224, 256, 384 and 512 bits.
+ *
+ * ==========================(LICENSE BEGIN)============================
+ *
+ * Copyright (c) 2007-2010  Projet RNRT SAPHIR
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ===========================(LICENSE END)=============================
+ *
+ * @file     sph_jh.h
+ * @author   Thomas Pornin <thomas.pornin@cryptolog.com>
+ */
+
+#ifndef JH_HASH_4WAY_H__
+#define JH_HASH_4WAY_H__
+
+#ifdef __AVX2__
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#include <stddef.h>
+#include "algo/sha/sph_types.h"
+#include "avxdefs.h"
+
+#define SPH_SIZE_jh256   256
+
+#define SPH_SIZE_jh512   512
+
+/**
+ * This structure is a context for JH computations: it contains the
+ * intermediate values and some data from the last entered block. Once
+ * a JH computation has been performed, the context can be reused for
+ * another computation.
+ *
+ * The contents of this structure are private. A running JH computation
+ * can be cloned by copying the context (e.g. with a simple
+ * <code>memcpy()</code>).
+ */
+typedef struct {
+    __m256i buf[8] __attribute__ ((aligned (64)));
+    __m256i H[16];
+    size_t ptr;
+    uint64_t block_count;
+/*
+	unsigned char buf[64]; 
+	size_t ptr;
+	union {
+		sph_u64 wide[16];
+	} H;
+	sph_u64 block_count;
+*/
+} jh_4way_context;
+
+typedef jh_4way_context jh256_4way_context;
+
+typedef jh_4way_context jh512_4way_context;
+
+void jh256_4way_init(void *cc);
+
+void jh256_4way(void *cc, const void *data, size_t len);
+
+void jh256_4way_close(void *cc, void *dst);
+
+void jh512_4way_init(void *cc);
+
+void jh512_4way(void *cc, const void *data, size_t len);
+
+void jh512_4way_close(void *cc, void *dst);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif