Move dependencies to the top level.

deps/libtoolchain/include/tc/crypto/detail/Sha2Impl.h

@@ -0,0 +1,57 @@
+	/**
+	 * @file Sha2Impl.h
+	 * @brief Declaration of tc::crypto::detail::Sha2Impl
+	 * @author Jack (jakcron)
+	 * @version 0.1
+	 * @date 2022/02/27
+	 **/
+#pragma once
+#include <tc/types.h>
+
+#include <tc/crypto/CryptoException.h>
+
+namespace tc { namespace crypto { namespace detail {
+
+	/**
+	 * @class Sha2Impl
+	 * @brief This class implements the SHA2 family of hash algorithms.
+	 */
+class Sha2Impl
+{
+public:
+	enum SHA2BitSize
+	{
+		SHA2BitSize_256 = 256,
+		SHA2BitSize_512 = 512
+	};
+
+	static const size_t kSha2_256_HashSize = 32;
+	static const size_t kSha2_256_BlockSize = 64;
+
+	static const size_t kSha2_512_HashSize = 64;
+	static const size_t kSha2_512_BlockSize = 128;
+
+	Sha2Impl(SHA2BitSize algo = SHA2BitSize_256);
+	~Sha2Impl();
+
+	void initialize();
+	void update(const byte_t* data, size_t data_size);
+	void getHash(byte_t* hash);
+private:
+	enum class State
+	{
+		None,
+		Initialized,
+		Done
+	};
+
+	State mState;
+
+	size_t mHashSize;
+	std::array<byte_t, kSha2_512_HashSize> mHash;
+
+	struct ImplCtx;
+	std::unique_ptr<ImplCtx> mImplCtx;
+};
+
+}}} // namespace tc::crypto::detail