v3.7.9

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

@@ -0,0 +1,154 @@
+/* $Id: sph_bmw.h 216 2010-06-08 09:46:57Z tp $ */
+/**
+ * BMW interface. BMW (aka "Blue Midnight Wish") is a family of
+ * functions which differ by their output size; this implementation
+ * defines BMW 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_bmw.h
+ * @author   Thomas Pornin <thomas.pornin@cryptolog.com>
+ */
+
+#ifndef BMW_HASH_H__
+#define BMW_HASH_H__
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+#include <stddef.h>
+#ifdef __AVX2__
+
+#include "algo/sha/sph_types.h"
+#include "avxdefs.h"
+
+/**
+ * Output size (in bits) for BMW-224.
+ */
+#define SPH_SIZE_bmw224   224
+
+/**
+ * Output size (in bits) for BMW-256.
+ */
+#define SPH_SIZE_bmw256   256
+
+#if SPH_64
+
+/**
+ * Output size (in bits) for BMW-384.
+ */
+#define SPH_SIZE_bmw384   384
+
+/**
+ * Output size (in bits) for BMW-512.
+ */
+#define SPH_SIZE_bmw512   512
+
+#endif
+
+/**
+ * This structure is a context for BMW-224 and BMW-256 computations:
+ * it contains the intermediate values and some data from the last
+ * entered block. Once a BMW computation has been performed, the
+ * context can be reused for another computation.
+ *
+ * The contents of this structure are private. A running BMW
+ * computation can be cloned by copying the context (e.g. with a simple
+ * <code>memcpy()</code>).
+ */
+typedef struct {
+#ifndef DOXYGEN_IGNORE
+	unsigned char buf[64];    /* first field, for alignment */
+	size_t ptr;
+	sph_u32 H[16];
+#if SPH_64
+	sph_u64 bit_count;
+#else
+	sph_u32 bit_count_high, bit_count_low;
+#endif
+#endif
+} bmw_4way_small_context;
+
+typedef bmw_4way_small_context bmw256_4way_context;
+
+#if SPH_64
+
+/**
+ * This structure is a context for BMW-384 and BMW-512 computations:
+ * it contains the intermediate values and some data from the last
+ * entered block. Once a BMW computation has been performed, the
+ * context can be reused for another computation.
+ *
+ * The contents of this structure are private. A running BMW
+ * computation can be cloned by copying the context (e.g. with a simple
+ * <code>memcpy()</code>).
+ */
+typedef struct {
+#ifndef DOXYGEN_IGNORE
+   __m256i buf[16];
+   __m256i H[16];
+
+//	unsigned char buf[128];    /* first field, for alignment */
+	size_t ptr;
+//	sph_u64 H[16];
+	sph_u64 bit_count;
+#endif
+} bmw_4way_big_context;
+
+typedef bmw_4way_big_context bmw512_4way_context;
+
+#endif
+
+void bmw256_4way_init(void *cc);
+
+void bmw256_4way(void *cc, const void *data, size_t len);
+
+void bmw256_4way_close(void *cc, void *dst);
+
+void bmw256_addbits_and_close(
+	void *cc, unsigned ub, unsigned n, void *dst);
+
+#if SPH_64
+
+void bmw512_4way_init(void *cc);
+
+void bmw512_4way(void *cc, const void *data, size_t len);
+
+void bmw512_4way_close(void *cc, void *dst);
+
+void bmw512_4way_addbits_and_close(
+	void *cc, unsigned ub, unsigned n, void *dst);
+
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif