Initial commit

velvet_ring.h

@@ -0,0 +1,25 @@
+#pragma once
+#include <string>
+#include <vector>
+
+using ByteVec = std::vector<unsigned char>;
+
+constexpr int IV_LEN = 12;
+constexpr int KEY_LEN = 32;
+constexpr int SALT_LEN = 16;
+constexpr int TAG_LEN = 16;
+
+// Function declarations
+ByteVec rb(int bytes);
+
+ByteVec ec_wky(const std::string& plain, const ByteVec& key);
+std::string dec_wky(const ByteVec& data, const ByteVec& key);
+
+struct DerivedKey {
+    ByteVec key;
+    ByteVec salt;
+};
+
+DerivedKey dervk_p(const std::string& password, const ByteVec* saltOpt = nullptr, int iterations = 200000);
+ByteVec ec_p(const std::string& plain, const std::string& password);
+std::string dec_p(const ByteVec& data, const std::string& password, int iterations = 200000);