Initial x13 support

Author: lucasjones

binding.gyp

@@ -18,6 +18,7 @@
                 "hefty1.c",
                 "shavite3.c",
                 "cryptonight.c",
+                "x13.c",
                 "sha3/sph_hefty1.c",
                 "sha3/sph_fugue.c",
                 "sha3/aes_helper.c",
@@ -32,6 +33,7 @@
                 "sha3/sph_shavite.c",
                 "sha3/sph_simd.c",
                 "sha3/sph_skein.c",
+                "sha3/hamsi.c",
                 "crypto/oaes_lib.c",
                 "crypto/c_keccak.c",
                 "crypto/c_groestl.c",

multihashing.cc

@@ -18,6 +18,7 @@ extern "C" {
     #include "hefty1.h"
     #include "shavite3.h"
     #include "cryptonight.h"
+    #include "x13.h"
 }
 
 using namespace node;
@@ -422,6 +423,28 @@ Handle<Value> cryptonight(const Arguments& args) {
     return scope.Close(buff->handle_);
 }
 
+Handle<Value> x13(const Arguments& args) {
+    HandleScope scope;
+
+    if (args.Length() < 1)
+        return except("You must provide one argument.");
+
+    Local<Object> target = args[0]->ToObject();
+
+    if(!Buffer::HasInstance(target))
+        return except("Argument should be a buffer object.");
+
+    char * input = Buffer::Data(target);
+    char output[32];
+
+    uint32_t input_len = Buffer::Length(target);
+
+    x13_hash(input, output, input_len);
+
+    Buffer* buff = Buffer::New(output, 32);
+    return scope.Close(buff->handle_);
+}
+
 void init(Handle<Object> exports) {
     exports->Set(String::NewSymbol("quark"), FunctionTemplate::New(quark)->GetFunction());
     exports->Set(String::NewSymbol("x11"), FunctionTemplate::New(x11)->GetFunction());
@@ -439,6 +462,7 @@ void init(Handle<Object> exports) {
     exports->Set(String::NewSymbol("hefty1"), FunctionTemplate::New(hefty1)->GetFunction());
     exports->Set(String::NewSymbol("shavite3"), FunctionTemplate::New(shavite3)->GetFunction());
     exports->Set(String::NewSymbol("cryptonight"), FunctionTemplate::New(cryptonight)->GetFunction());
+    exports->Set(String::NewSymbol("x13"), FunctionTemplate::New(x13)->GetFunction());
 }
 
 NODE_MODULE(multihashing, init)