Initial data commit

Task/Parallel-brute-force/Zkl/parallel-brute-force-1.zkl

@@ -0,0 +1,21 @@
+var [const] MsgHash=Import.lib("zklMsgHash");
+var [const] gotEm=Atomic.Int();	// global signal for all threads
+
+const THREADS=9,   // how we will split task, THREADS<=26
+      CHR_a="a".toAsc();
+
+fcn crack(c,n,hashes){	// thread
+   sha256:=MsgHash.SHA256; // the SHA-256 hash method, byte bucket
+   bytes,hash := Data(),Data().howza(0); // byte buckets to reduce garbage production
+   firstLtrs:=(c+CHR_a).walker(n);
+   ltrs:=CHR_a.walker;	// iterator starting at 97/"a"
+   foreach a,b,c,d,e in (firstLtrs,ltrs(26),ltrs(26),ltrs(26),ltrs(26)){
+      if(not hashes2go) return(); // all cracked, stop, not really needed
+      bytes.clear(a,b,c,d,e);     // recycle Data, faster than creating Strings
+      sha256(bytes,1,hash);	  // put hash in hash
+      if(hashes.holds(hash)){
+         println(bytes.text," --> ",hash.pump(String,"%02x".fmt));
+	 hashes2go.dec();	// I cracked one, let mom thread know
+      }
+   }
+}

Task/Parallel-brute-force/Zkl/parallel-brute-force-2.zkl

@@ -0,0 +1,15 @@
+hashes:=T("3a7bd3e2360a3d29eea436fcfb7e44c735d117c42d1c1835420b6b9942dd4f1b",
+          "74e1bb62f8dabb8125a58852b63bdf6eaef667cb56ac7f7cdba6d7305c50a22f",
+	  "1115dd800feaacefdf481f1f9070374a2a81e27880f187396db67958b207cbad");
+// convert hex strings to binary; cuts down conversions during crack
+fcn hex2binary(s){ s.pump(Data,Void.Read,fcn(a,b){ (a+b).toInt(16) }) }
+hashes:=hashes.apply(hex2binary);
+
+hashes2go.set(hashes.len());	// number of codes to crack
+num,xtra := 26/THREADS, 26%THREADS; // try for the most even spread over threads
+s:=0; do(THREADS){  // start threads
+   n:=num + ((xtra-=1)>=0);
+   crack.launch(s.toInt(),n,hashes);
+   s+=n;
+}
+hashes2go.waitFor(0);	// wait until all cracked, just exit, OS kills threads