Initial upload v3.4.7

algo/keccak/keccak.c

@@ -0,0 +1,67 @@
+#include "miner.h"
+#include "algo-gate-api.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "sph_keccak.h"
+
+void keccakhash(void *state, const void *input)
+{
+    sph_keccak256_context ctx_keccak;
+    uint32_t hash[32];	
+   
+    sph_keccak256_init(&ctx_keccak);
+    sph_keccak256 (&ctx_keccak,input, 80);
+    sph_keccak256_close(&ctx_keccak, hash);
+
+	memcpy(state, hash, 32);
+}
+
+int scanhash_keccak(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 n = pdata[19] - 1;
+	const uint32_t first_nonce = pdata[19];
+	//const uint32_t Htarg = ptarget[7];
+
+	uint32_t _ALIGN(32) hash64[8];
+	uint32_t endiandata[32];
+
+        for (int i=0; i < 19; i++) 
+                be32enc(&endiandata[i], pdata[i]);
+
+	do {
+	
+		pdata[19] = ++n;
+		be32enc(&endiandata[19], n); 
+		keccakhash(hash64, endiandata);
+        if (((hash64[7]&0xFFFFFF00)==0) && 
+				fulltest(hash64, ptarget)) {
+            *hashes_done = n - first_nonce + 1;
+			return true;
+		}
+	} while (n < max_nonce && !work_restart[thr_id].restart);
+	
+	*hashes_done = n - first_nonce + 1;
+	pdata[19] = n;
+	return 0;
+}
+
+void keccak_set_target( struct work* work, double job_diff )
+{
+  work_set_target( work, job_diff / (128.0 * opt_diff_factor) );
+}
+
+bool register_keccak_algo( algo_gate_t* gate )
+{
+  gate->scanhash        = (void*)&scanhash_keccak;
+  gate->hash            = (void*)&keccakhash;
+  gate->gen_merkle_root = (void*)&SHA256_gen_merkle_root;
+  gate->set_target      = (void*)&keccak_set_target;
+  return true;
+};
+