Move dependencies to the top level.

2026-07-07 08:49:47 +00:00 · 2022-04-16 18:27:14 +08:00
parent b67980d3d2
commit 5d62e839e7
844 changed files with 74 additions and 114431 deletions
@@ -0,0 +1,119 @@
+	/**
+	 * @file RsaImpl.h
+	 * @brief Declaration of tc::crypto::detail::RsaImpl
+	 * @author Jack (jakcron)
+	 * @version 0.1
+	 * @date 2020/09/12
+	 **/
+#pragma once
+#include <tc/types.h>
+
+#include <tc/ArgumentNullException.h>
+#include <tc/ArgumentOutOfRangeException.h>
+#include <tc/crypto/CryptoException.h>
+
+namespace tc { namespace crypto { namespace detail {
+
+	/**
+	 * @class RsaImpl
+	 * @brief This class implements the RSA algorithm.
+	 */
+class RsaImpl
+{
+public:
+		/**
+		 * @brief Default constructor.
+		 * 
+		 * @post
+		 * - State is None. @ref initialize() must be called before use.
+		 */
+	RsaImpl();
+	~RsaImpl();
+
+		/**
+		 * @brief Initialize RSA state with key.
+		 * 
+		 * @param[in] key_bit_size Size of rsa key in bits.
+		 * @param[in] n Pointer to modulus data.
+		 * @param[in] n_size Size in bytes of modulus data.
+		 * @param[in] p Pointer to prime p data.
+		 * @param[in] p_size Size in bytes of prime p data.
+		 * @param[in] q Pointer to prime q data.
+		 * @param[in] q_size Size in bytes of prime q data.
+		 * @param[in] d Pointer to private exponent data.
+		 * @param[in] d_size Size in bytes of private exponent data.
+		 * @param[in] e Pointer to public exponent data.
+		 * @param[in] e_size Size in bytes of public exponent data.
+		 * 
+		 * @pre 
+		 * - @p key_bit_size must a multiple of 8 bits (byte aligned).
+		 * @post
+		 * - Instance is now in initialized state.
+		 * 
+		 * @throw tc::ArgumentNullException @p n was null when @p n_size was not 0.
+		 * @throw tc::ArgumentNullException @p n was not null when @p n_size was 0.
+		 * @throw tc::ArgumentNullException @p p was null when @p p_size was not 0.
+		 * @throw tc::ArgumentNullException @p p was not null when @p p_size was 0.
+		 * @throw tc::ArgumentNullException @p q was null when @p q_size was not 0.
+		 * @throw tc::ArgumentNullException @p q was not null when @p q_size was 0.
+		 * @throw tc::ArgumentNullException @p d was null when @p d_size was not 0.
+		 * @throw tc::ArgumentNullException @p d was not null when @p d_size was 0.
+		 * @throw tc::ArgumentNullException @p e was null when @p e_size was not 0.
+		 * @throw tc::ArgumentNullException @p e was not null when @p e_size was 0.
+		 * @throw tc::ArgumentOutOfRangeException @p key_bit_size was not a multiple of 8 bits.
+		 */
+	void initialize(size_t key_bit_size, const byte_t* n, size_t n_size, const byte_t* p, size_t p_size, const byte_t* q, size_t q_size, const byte_t* d, size_t d_size, const byte_t* e, size_t e_size);
+
+		/**
+		 * @brief Transform data block using public key.
+		 * 
+		 * @param[out] dst Buffer to store transformed block.
+		 * @param[in]  src Pointer to block to transform.
+		 * 
+		 * @pre 
+		 * - Instance is in initialized state.
+		 * 
+		 * @details
+		 * This transforms block_size number of bytes of data from @p src, writing it to @p dst.
+		 * 
+		 * @note 
+		 *  - @p dst and @p src can be the same pointer.
+		 * 
+		 * @throw tc::ArgumentNullException @p dst was null.
+		 * @throw tc::ArgumentNullException @p src was null.
+		 */
+	void publicTransform(byte_t* dst, const byte_t* src);
+
+		/**
+		 * @brief Transform data block using private key.
+		 * 
+		 * @param[out] dst Buffer to store transformed block.
+		 * @param[in]  src Pointer to block to transform.
+		 * 
+		 * @pre 
+		 * - Instance is in initialized state.
+		 * 
+		 * @details
+		 * This transforms block_size number of bytes of data from @p src, writing it to @p dst.
+		 * 
+		 * @note 
+		 *  - @p dst and @p src can be the same pointer.
+		 * 
+		 * @throw tc::ArgumentNullException @p dst was null.
+		 * @throw tc::ArgumentNullException @p src was null.
+		 */
+	void privateTransform(byte_t* dst, const byte_t* src);
+private:
+	enum class State
+	{
+		None,
+		Initialized
+	};
+
+	State mState;
+
+	struct ImplCtx;
+	std::unique_ptr<ImplCtx> mImplCtx;
+};
+
+}}} // namespace tc::crypto::detail