Initial upload v3.4.7

algo/groestl/sse2/grsn.h

@@ -0,0 +1,80 @@
+/* hash.h     Aug 2011
+ *
+ * Groestl implementation for different versions.
+ * Author: Krystian Matusiewicz, Günther A. Roland, Martin Schläffer
+ *
+ * This code is placed in the public domain
+ */
+
+#ifndef __grsn_h
+#define __grsn_h
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "brg_endian.h"
+#define NEED_UINT_64T
+#include "brg_types.h"
+
+#ifndef grsnLENGTH
+#define grsnLENGTH 512
+#endif
+
+/* some sizes (number of bytes) */
+#define grsnROWS 8
+#define grsnLENGTHFIELDLEN grsnROWS
+#define grsnCOLS512 8
+#define grsnCOLS1024 16
+#define grsnSIZE512 (grsnROWS*grsnCOLS512)
+#define grsnSIZE1024 (grsnROWS*grsnCOLS1024)
+#define grsnROUNDS512 10
+#define grsnROUNDS1024 14
+
+#if grsnLENGTH<=256
+#define grsnCOLS grsnCOLS512
+#define grsnSIZE grsnSIZE512
+#define grsnROUNDS grsnROUNDS512
+#else
+#define grsnCOLS grsnCOLS1024
+#define grsnSIZE grsnSIZE1024
+#define grsnROUNDS grsnROUNDS1024
+#endif
+
+#define ROTL64(a,n) ((((a)<<(n))|((a)>>(64-(n))))&li_64(ffffffffffffffff))
+
+#if (PLATFORM_BYTE_ORDER == IS_BIG_ENDIAN)
+#define EXT_BYTE(var,n) ((u8)((u64)(var) >> (8*(7-(n)))))
+#define U64BIG(a) (a)
+#endif /* IS_BIG_ENDIAN */
+
+#if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN)
+#define EXT_BYTE(var,n) ((u8)((u64)(var) >> (8*n)))
+#define U64BIG(a) \
+  ((ROTL64(a, 8) & li_64(000000FF000000FF)) | \
+   (ROTL64(a,24) & li_64(0000FF000000FF00)) | \
+   (ROTL64(a,40) & li_64(00FF000000FF0000)) | \
+   (ROTL64(a,56) & li_64(FF000000FF000000)))
+#endif /* IS_LITTLE_ENDIAN */
+
+typedef enum { LONG, SHORT } Var;
+
+/* NIST API begin */
+typedef unsigned char BitSequence;
+typedef unsigned long long DataLength;
+typedef struct {
+  __attribute__ ((aligned (32))) u64 chaining[grsnSIZE/8];      /* actual state */
+  __attribute__ ((aligned (32))) BitSequence buffer[grsnSIZE];  /* data buffer */
+  u64 block_counter;        /* message block counter */
+  int buf_ptr;              /* data buffer pointer */
+  int bits_in_last_byte;    /* no. of message bits in last byte of
+                               data buffer */
+  int columns;              /* no. of columns in state */
+  int statesize;            /* total no. of bytes in state */
+  Var v;                    /* LONG or SHORT */
+} grsnState;
+
+void grsnInit(grsnState*);
+void grsnUpdate(grsnState*, const BitSequence*, DataLength);
+void grsnFinal(grsnState*, BitSequence*);
+
+#endif /* __hash_h */