Move dependencies to the top level.

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

@@ -0,0 +1,61 @@
+	/**
+	 * @file PrbgImpl.h
+	 * @brief Declaration of tc::crypto::detail::PrbgImpl
+	 * @author Jack (jakcron)
+	 * @version 0.1
+	 * @date 2020/06/12
+	 **/
+#pragma once
+#include <tc/types.h>
+
+#include <tc/crypto/CryptoException.h>
+
+namespace tc { namespace crypto { namespace detail {
+
+	/**
+	 * @class PrbgImpl
+	 * @brief This class implements a Psuedo Random Byte Generator.
+	 * 
+	 * @details
+	 * The underlying algorithm is CTR_DBRG.
+	 * This class generates random data suitable for encryption use cases.
+	 * - Initialization vectors
+	 * - Salts / Nonces
+	 * - HMAC keys
+	 * - AES keys
+	 */
+class PrbgImpl
+{
+public:
+		/**
+		 * @brief Default constructor
+		 * @details
+		 * This initializes random number generator state
+		 */
+	PrbgImpl();
+
+		/**
+		 * @brief Destructor
+		 * @details
+		 * Cleans up random number generator state
+		 */
+	~PrbgImpl();
+
+		/**
+		 * @brief Populate array with random data.
+		 * 
+		 * @param[out] data Buffer to hold random data.
+		 * @param[in] data_size Size of @p data buffer.
+		 * 
+		 * @throw tc::crypto::CryptoException An unexpected error has occurred.
+		 * @throw tc::crypto::CryptoException Request too big.
+		 */
+	void getBytes(byte_t* data, size_t data_size);
+private:
+	static const std::string kClassName;	
+
+	struct ImplCtx;
+	std::unique_ptr<ImplCtx> mImplCtx;
+};
+
+}}} // namespace tc::crypto::detail