v3.7.9

algo/x14/polytimos.c

@@ -0,0 +1,115 @@
+#include "polytimos-gate.h"
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "algo/skein/sph_skein.h"
+#include "algo/echo/sph_echo.h"
+#include "algo/fugue//sph_fugue.h"
+#include "algo/luffa/sse2/luffa_for_sse2.h"
+#include "algo/shabal/sph_shabal.h"
+#include "algo/gost/sph_gost.h"
+#ifndef NO_AES_NI
+  #include "algo/echo/aes_ni/hash_api.h"
+#endif
+
+typedef struct {
+	sph_skein512_context    skein;
+        sph_shabal512_context   shabal;
+#ifdef NO_AES_NI
+	sph_echo512_context		echo;
+#else
+        hashState_echo          echo;
+#endif
+        hashState_luffa         luffa;
+	sph_fugue512_context    fugue;
+	sph_gost512_context     gost;
+} poly_ctx_holder;
+
+poly_ctx_holder poly_ctx;
+
+void init_polytimos_context()
+{
+	sph_skein512_init(&poly_ctx.skein);
+        sph_shabal512_init(&poly_ctx.shabal);
+#ifdef NO_AES_NI
+        sph_echo512_init(&poly_ctx.echo);
+#else
+        init_echo( &poly_ctx.echo, 512 );
+#endif
+        init_luffa( &poly_ctx.luffa, 512 );
+        sph_fugue512_init(&poly_ctx.fugue);
+        sph_gost512_init(&poly_ctx.gost);
+}
+
+void polytimos_hash(void *output, const void *input)
+{
+        uint32_t hashA[16] __attribute__ ((aligned (64)));
+        poly_ctx_holder ctx __attribute__ ((aligned (64)));
+        memcpy( &ctx, &poly_ctx, sizeof(poly_ctx) );
+
+	sph_skein512(&ctx.skein, input, 80);
+	sph_skein512_close(&ctx.skein, hashA);
+
+	sph_shabal512(&ctx.shabal, hashA, 64);
+	sph_shabal512_close(&ctx.shabal, hashA);
+
+#ifdef NO_AES_NI
+	sph_echo512(&ctx.echo, hashA, 64);
+	sph_echo512_close(&ctx.echo, hashA);
+#else
+        update_final_echo ( &ctx.echo, (BitSequence *)hashA,
+                            (const BitSequence *)hashA, 512 );
+#endif
+
+        update_and_final_luffa( &ctx.luffa, (BitSequence*)hashA,
+                                (const BitSequence*)hashA, 64 );
+
+	sph_fugue512(&ctx.fugue, hashA, 64);
+	sph_fugue512_close(&ctx.fugue, hashA);
+
+	sph_gost512(&ctx.gost, hashA, 64);
+	sph_gost512_close(&ctx.gost, hashA);
+
+	memcpy(output, hashA, 32);
+}
+
+int scanhash_polytimos(int thr_id, struct work *work, uint32_t max_nonce, uint64_t *hashes_done)
+{
+	uint32_t _ALIGN(128) hash[8];
+	uint32_t _ALIGN(128) endiandata[20];
+	uint32_t *pdata = work->data;
+	uint32_t *ptarget = work->target;
+
+	const uint32_t Htarg = ptarget[7];
+	const uint32_t first_nonce = pdata[19];
+	uint32_t nonce = first_nonce;
+	volatile uint8_t *restart = &(work_restart[thr_id].restart);
+
+	if (opt_benchmark)
+		ptarget[7] = 0x0cff;
+
+	// we need bigendian data...
+	for (int i=0; i < 19; i++) {
+		be32enc(&endiandata[i], pdata[i]);
+	}
+	do {
+		be32enc(&endiandata[19], nonce);
+		polytimos_hash(hash, endiandata);
+
+		if (hash[7] <= Htarg && fulltest(hash, ptarget)) {
+			work_set_target_ratio(work, hash);
+			pdata[19] = nonce;
+			*hashes_done = pdata[19] - first_nonce;
+			return 1;
+		}
+		nonce++;
+
+	} while (nonce < max_nonce && !(*restart));
+
+	pdata[19] = nonce;
+	*hashes_done = pdata[19] - first_nonce + 1;
+	return 0;
+}