1 files changed, 43 insertions, 0 deletions
diff --git a/src/common/Cryptography/Argon2.cpp b/src/common/Cryptography/Argon2.cpp
new file mode 100644
index 00000000000..fb849261e57
--- /dev/null
+++ b/src/common/Cryptography/Argon2.cpp
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2008-2019 TrinityCore <https://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "Argon2.h"
+#include <argon2/argon2.h>
+
+/*static*/ Optional<std::string> Trinity::Crypto::Argon2::Hash(std::string const& password, BigNumber const& salt, uint32 nIterations, uint32 kibMemoryCost)
+{
+    char buf[ENCODED_HASH_LEN];
+    int status = argon2id_hash_encoded(
+        nIterations,
+        kibMemoryCost,
+        PARALLELISM,
+        password.c_str(), password.length(),
+        salt.AsByteArray().get(), salt.GetNumBytes(),
+        HASH_LEN, buf, ENCODED_HASH_LEN
+    );
+
+    if (status == ARGON2_OK)
+        return std::string(buf);
+
+    return {};
+}
+
+/*static*/ bool Trinity::Crypto::Argon2::Verify(std::string const& password, std::string const& hash)
+{
+    int status = argon2id_verify(hash.c_str(), password.c_str(), password.length());
+    return (status == ARGON2_OK);
+}