v3.8.1

algo/luffa/luffa-hash-2way.h

@@ -0,0 +1,69 @@
+#if !defined(LUFFA_HASH_2WAY_H__)
+#define LUFFA_HASH_2WAY_H__ 1
+/*
+ * luffa_for_sse2.h
+ * Version 2.0 (Sep 15th 2009)
+ *
+ * Copyright (C) 2008-2009 Hitachi, Ltd. All rights reserved.
+ *
+ * Hitachi, Ltd. is the owner of this software and hereby grant
+ * the U.S. Government and any interested party the right to use
+ * this software for the purposes of the SHA-3 evaluation process,
+ * notwithstanding that this software is copyrighted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(__AVX2__)
+
+#include <immintrin.h>
+#include "algo/sha/sha3-defs.h"
+#include "avxdefs.h"
+
+/* The length of digests*/
+#define DIGEST_BIT_LEN_224 224
+#define DIGEST_BIT_LEN_256 256
+#define DIGEST_BIT_LEN_384 384
+#define DIGEST_BIT_LEN_512 512
+
+/*********************************/
+/* The parameters of Luffa       */
+#define MSG_BLOCK_BIT_LEN 256  /*The bit length of a message block*/
+#define MSG_BLOCK_BYTE_LEN (MSG_BLOCK_BIT_LEN >> 3) /* The byte length
+                                                     * of a message block*/
+
+/* The number of blocks in Luffa */
+#define WIDTH_224 3
+#define WIDTH_256 3
+#define WIDTH_384 4
+#define WIDTH_512 5
+
+/* The limit of the length of message */
+#define LIMIT_224 64
+#define LIMIT_256 64
+#define LIMIT_384 128
+#define LIMIT_512 128
+/*********************************/
+
+typedef struct {
+    uint32 buffer[8*2] __attribute((aligned(64)));
+    __m256i chainv[10] __attribute((aligned(32)));   /* Chaining values */
+    int hashbitlen;
+    int rembytes;
+} luffa_2way_context;
+
+int luffa_2way_init( luffa_2way_context *state, int hashbitlen );
+int luffa_2way_update( luffa_2way_context *state, const void *data,
+                       size_t len );
+int luffa_2way_close( luffa_2way_context *state, void *hashval );
+int luffa_2way_update_close( luffa_2way_context *state, void *output,
+                                   const void *data, size_t inlen );
+
+#endif
+#endif