Add scoring on zero bytes anywhere in hash

Author: johguse

ModeFactory.cpp

@@ -8,6 +8,12 @@ mode ModeFactory::benchmark() {
 	return r;
 }
 
+mode ModeFactory::zerobytes() {
+	mode r;
+	r.function = ModeFunction::ZeroBytes;
+	return r;
+}
+
 mode ModeFactory::zeros() {
 	return range(0, 0);
 }

ModeFactory.hpp

@@ -18,6 +18,7 @@ class ModeFactory {
 		static mode mirror();
 
 		static mode benchmark();
+		static mode zerobytes();
 		static mode zeros();
 		static mode letters();
 		static mode numbers();

eradicate2.cl

@@ -1,5 +1,5 @@
 enum ModeFunction {
-	Benchmark, Matching, Leading, Range, Mirror, Doubles, LeadingRange
+	Benchmark, ZeroBytes, Matching, Leading, Range, Mirror, Doubles, LeadingRange
 };
 
 typedef struct {
@@ -18,6 +18,7 @@ __kernel void eradicate2_iterate(__global result * const pResult, __global const
 void eradicate2_result_update(const uchar * const hash, __global result * const pResult, const uchar score, const uchar scoreMax, const uint deviceIndex, const uint round);
 void eradicate2_score_leading(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round);
 void eradicate2_score_benchmark(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round);
+void eradicate2_score_zerobytes(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round);
 void eradicate2_score_matching(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round);
 void eradicate2_score_range(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round);
 void eradicate2_score_leadingrange(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round);
@@ -40,14 +41,18 @@ __kernel void eradicate2_iterate(__global result * const pResult, __global const
 	sha3_keccakf(&h);
 
 	/* enum class ModeFunction {
-	 *      Benchmark, Matching, Leading, Range, Mirror, Doubles, LeadingRange
+	 *      Benchmark, ZeroBytes, Matching, Leading, Range, Mirror, Doubles, LeadingRange
 	 * };
 	 */
 	switch (pMode->function) {
 	case Benchmark:
 		eradicate2_score_benchmark(h.b + 12, pResult, pMode, scoreMax, deviceIndex, round);
 		break;
 
+	case ZeroBytes:
+		eradicate2_score_zerobytes(h.b + 12, pResult, pMode, scoreMax, deviceIndex, round);
+		break;
+
 	case Matching:
 		eradicate2_score_matching(h.b + 12, pResult, pMode, scoreMax, deviceIndex, round);
 		break;
@@ -126,6 +131,17 @@ void eradicate2_score_benchmark(const uchar * const hash, __global result * cons
 	eradicate2_result_update(hash, pResult, score, scoreMax, deviceIndex, round);
 }
 
+void eradicate2_score_zerobytes(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round) {
+	const size_t id = get_global_id(0);
+	int score = 0;
+
+	for (int i = 0; i < 20; ++i) {
+		score += !hash[i];
+	}
+
+	eradicate2_result_update(hash, pResult, score, scoreMax, deviceIndex, round);
+}
+
 void eradicate2_score_matching(const uchar * const hash, __global result * const pResult, __global const mode * const pMode, const uchar scoreMax, const uint deviceIndex, const uint round) {
 	const size_t id = get_global_id(0);
 	int score = 0;

eradicate2.cpp

@@ -179,6 +179,7 @@ int main(int argc, char * * argv) {
 		ArgParser argp(argc, argv);
 		bool bHelp = false;
 		bool bModeBenchmark = false;
+		bool bModeZeroBytes = false;
 		bool bModeZeros = false;
 		bool bModeLetters = false;
 		bool bModeNumbers = false;
@@ -200,6 +201,7 @@ int main(int argc, char * * argv) {
 
 		argp.addSwitch('h', "help", bHelp);
 		argp.addSwitch('0', "benchmark", bModeBenchmark);
+		argp.addSwitch('z', "zero-bytes", bModeZeroBytes);
 		argp.addSwitch('1', "zeros", bModeZeros);
 		argp.addSwitch('2', "letters", bModeLetters);
 		argp.addSwitch('3', "numbers", bModeNumbers);
@@ -248,7 +250,9 @@ int main(int argc, char * * argv) {
 		mode mode = ModeFactory::benchmark();
 		if (bModeBenchmark) {
 			mode = ModeFactory::benchmark();
-		} else if (bModeZeros) {
+		} else if (bModeZeroBytes) {
+			mode = ModeFactory::zerobytes();
+		}  else if (bModeZeros) {
 			mode = ModeFactory::zeros();
 		} else if (bModeLetters) {
 			mode = ModeFactory::letters();

help.hpp

@@ -19,6 +19,7 @@ usage: ./ERADICATE2 [OPTIONS]
   Basic modes:
     --benchmark             Run without any scoring, a benchmark.
     --zeros                 Score on zeros anywhere in hash.
+    --zero-bytes            Score on zero bytes anywhere in hash.
     --letters               Score on letters anywhere in hash.
     --numbers               Score on numbers anywhere in hash.
     --mirror                Score on mirroring from center.

types.hpp

@@ -11,7 +11,7 @@
 #endif
 
 enum class ModeFunction {
-	Benchmark, Matching, Leading, Range, Mirror, Doubles, LeadingRange
+	Benchmark, ZeroBytes, Matching, Leading, Range, Mirror, Doubles, LeadingRange
 };
 
 typedef struct {