Moved cpp code to src/cpp and js code to src/js.

src/cpp/ripple/PlatRand.cpp

@@ -0,0 +1,84 @@
+
+#ifdef WIN32
+
+#include <windows.h>
+#include <wincrypt.h>
+
+#include <openssl/rand.h>
+
+bool AddSystemEntropy()
+{ // Get entropy from the Windows crypto provider
+	RAND_screen();  // this isn't really that safe since it only works for end users not servers
+
+/* TODO: you need the cryptoAPI installed I think for the below to work. I suppose we should require people to install this to build the windows version
+	char name[512], rand[128];
+	DWORD count = 500;
+	HCRYPTOPROV cryptoHandle;
+
+	if (!CryptGetDefaultProvider(PROV_RSA_FULL, NULL, CRYPT_MACHINE_DEFAULT, name, &count))
+	{
+#ifdef DEBUG
+		std::cerr << "Unable to get default crypto provider" << std::endl;
+#endif
+		return false;
+	}
+
+	if (!CryptAcquireContext(&cryptoHandle, NULL, name, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT | CRYPT_SILENT))
+	{
+#ifdef DEBUG
+		std::cerr << "Unable to acquire crypto provider" << std::endl;
+#endif
+		return false;
+	}
+
+	if(!CryptGenRandom(cryptoHandle, 128, reinterpret_cast<BYTE*>(rand)))
+	{
+#ifdef DEBUG
+		std::cerr << "Unable to get entropy from crypto provider" << std::endl;
+#endif
+		CryptReleaseContext(cryptoHandle, 0);
+		return false;
+	}
+
+	CryptReleaseContext(cryptoHandle, 0);
+	RAND_seed(rand, 128);
+
+*/
+	return true;
+}
+
+#else
+
+#include <iostream>
+#include <fstream>
+
+#include <openssl/rand.h>
+
+bool AddSystemEntropy()
+{
+	char rand[128];
+	std::ifstream reader;
+
+	reader.open("/dev/urandom", std::ios::in | std::ios::binary);
+	if (!reader.is_open())
+	{
+#ifdef DEBUG
+		std::cerr << "Unable to open random source" << std::endl;
+#endif
+		return false;
+	}
+	reader.read(rand, 128);
+
+	int bytesRead = reader.gcount();
+	if (bytesRead == 0)
+	{
+#ifdef DEBUG
+		std::cerr << "Unable to read from random source" << std::endl;
+#endif
+		return false;
+	}
+	RAND_seed(rand, bytesRead);
+	return bytesRead >= 64;
+}
+
+#endif