added PasswordHasher::initialize() to make libgcrypt warnings go away

servatrice/src/main.cpp

@@ -157,6 +157,8 @@ int main(int argc, char *argv[])
 	std::cerr << "Servatrice " << VERSION_STRING << " starting." << std::endl;
 	std::cerr << "-------------------------" << std::endl;
 	
+	PasswordHasher::initialize();
+	
 	if (testRandom)
 		testRNG();
 	if (testHashFunction)

servatrice/src/passwordhasher.cpp

@@ -3,6 +3,14 @@
 #include <string.h>
 #include <gcrypt.h>
 
+void PasswordHasher::initialize()
+{
+	// These calls are required by libgcrypt before we use any of its functions.
+	gcry_check_version(0);
+	gcry_control(GCRYCTL_DISABLE_SECMEM, 0);
+	gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0);
+}
+
 QString PasswordHasher::computeHash(const QString &password, const QString &salt)
 {
 	const int algo = GCRY_MD_SHA512;

servatrice/src/passwordhasher.h

@@ -5,6 +5,7 @@
 
 class PasswordHasher {
 public:
+	static void initialize();
 	static QString computeHash(const QString &password, const QString &salt);
 };