Move dependencies to the top level.

deps/libtoolchain/include/tc/crypto/PseudoRandomByteGenerator.h

@@ -0,0 +1,65 @@
+	/**
+	 * @file PseudoRandomByteGenerator.h
+	 * @brief Declarations for API resources for generating pseudo-random data.
+	 * @author Jack (jakcron)
+	 * @version 0.1
+	 * @date 2020/06/12
+	 **/
+#pragma once
+#include <tc/types.h>
+#include <tc/crypto/detail/PrbgImpl.h>
+
+namespace tc { namespace crypto {
+
+	/**
+	 * @class PseudoRandomByteGenerator
+	 * @brief Class for generating random data.
+	 * 
+	 * @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 PseudoRandomByteGenerator
+{
+public:
+		/**
+		 * @brief Default constructor.
+		 */
+	PseudoRandomByteGenerator() :
+		mImpl()
+	{}
+
+		/**
+		 * @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)
+	{
+		mImpl.getBytes(data, data_size);
+	}
+
+private:
+	detail::PrbgImpl mImpl;
+};
+
+	/**
+	 * @brief Utility function for generating pseudo-random data.
+	 * 
+	 * @param[out] data Pointer to buffer storing pseudo-random data.
+	 * @param[in]  data_size Size of pseudo-random data to generate.
+	 * 
+	 * @post
+	 * - The generated pseudo-random data is written to <tt><var>data</var></tt>.
+	 */
+void GeneratePseudoRandomBytes(byte_t* data, size_t data_size);
+
+}} // namespace tc::crypto