v3.9.0

algo/lyra2/lyra2rev3.c

@@ -0,0 +1,102 @@
+#include "lyra2-gate.h"
+#include <memory.h>
+#include "algo/blake/sph_blake.h"
+#include "algo/cubehash/sph_cubehash.h"
+#include "algo/bmw/sph_bmw.h"
+#include "algo/cubehash/cubehash_sse2.h" 
+//#include "lyra2.h"
+
+typedef struct {
+        cubehashParam           cube;
+//        cubehashParam           cube2;
+        sph_blake256_context     blake;
+        sph_bmw256_context       bmw;
+
+} lyra2v3_ctx_holder;
+
+static lyra2v3_ctx_holder lyra2v3_ctx;
+static __thread sph_blake256_context l2v3_blake_mid;
+
+bool init_lyra2rev3_ctx()
+{
+        cubehashInit( &lyra2v3_ctx.cube, 256, 16, 32 );
+//        cubehashInit( &lyra2v3_ctx.cube2, 256, 16, 32 );
+        sph_blake256_init( &lyra2v3_ctx.blake );
+        sph_bmw256_init( &lyra2v3_ctx.bmw );
+        return true;
+}
+
+void l2v3_blake256_midstate( const void* input )
+{
+    memcpy( &l2v3_blake_mid, &lyra2v3_ctx.blake, sizeof l2v3_blake_mid );
+    sph_blake256( &l2v3_blake_mid, input, 64 );
+}
+
+void lyra2rev3_hash( void *state, const void *input )
+{
+        lyra2v3_ctx_holder ctx __attribute__ ((aligned (64))); 
+        memcpy( &ctx, &lyra2v3_ctx, sizeof(lyra2v3_ctx) );
+        uint8_t hash[128] __attribute__ ((aligned (64)));
+        #define hashA hash
+        #define hashB hash+64
+        const int midlen = 64;            // bytes
+        const int tail   = 80 - midlen;   // 16
+
+        memcpy( &ctx.blake, &l2v3_blake_mid, sizeof l2v3_blake_mid );
+	sph_blake256( &ctx.blake, (uint8_t*)input + midlen, tail );
+	sph_blake256_close( &ctx.blake, hash );
+
+        LYRA2REV3( l2v3_wholeMatrix, hash, 32, hash, 32, hash, 32, 1, 4, 4 );
+
+        cubehashUpdateDigest( &ctx.cube, (byte*) hashA,
+                              (const byte*) hash, 32 );
+
+	LYRA2REV3( l2v3_wholeMatrix, hash, 32, hash, 32, hash, 32, 1, 4, 4 );
+
+	sph_bmw256( &ctx.bmw, hash, 32 );
+	sph_bmw256_close( &ctx.bmw, hash );
+
+	memcpy( state, hash, 32 );
+}
+
+int scanhash_lyra2rev3(int thr_id, struct work *work,
+	uint32_t max_nonce, uint64_t *hashes_done)
+{
+        uint32_t *pdata = work->data;
+        uint32_t *ptarget = work->target;
+	uint32_t endiandata[20] __attribute__ ((aligned (64)));
+        uint32_t hash[8] __attribute__((aligned(64)));
+	const uint32_t first_nonce = pdata[19];
+	uint32_t nonce = first_nonce;
+        const uint32_t Htarg = ptarget[7];
+
+	if (opt_benchmark)
+		((uint32_t*)ptarget)[7] = 0x0000ff;
+
+        swab32_array( endiandata, pdata, 20 );
+
+        l2v3_blake256_midstate( endiandata );
+
+	do {
+		be32enc(&endiandata[19], nonce);
+		lyra2rev3_hash(hash, endiandata);
+
+		if (hash[7] <= Htarg )
+                {
+                   if( fulltest(hash, ptarget) )
+                   {
+			pdata[19] = nonce;
+                        work_set_target_ratio( work, hash );
+			*hashes_done = pdata[19] - first_nonce;
+		   	return 1;
+		   }
+                }
+		nonce++;
+
+	} while (nonce < max_nonce && !work_restart[thr_id].restart);
+
+	pdata[19] = nonce;
+	*hashes_done = pdata[19] - first_nonce + 1;
+	return 0;
+}
+