Rename concept Encryptor --> BlockEncryptor.

Chaos/Cipher/Block/BlockEncryptor.hpp

@@ -0,0 +1,34 @@
+#ifndef CHAOS_CIPHER_BLOCK_BLOCKENCRYPTOR_HPP
+#define CHAOS_CIPHER_BLOCK_BLOCKENCRYPTOR_HPP
+
+#include <concepts>
+#include <cstdint>
+#include <type_traits>
+
+namespace Chaos::Cipher::Block
+{
+
+template<typename T>
+concept BlockEncryptor = requires(const T constEncryptor,
+                                  typename T::Block block,
+                                  uint8_t * outBegin, uint8_t * outEnd,
+                                  uint8_t * inBegin, uint8_t * inEnd)
+{
+    typename T::Block;
+    typename T::Key;
+    requires std::constructible_from<T, typename T::Key>;
+
+    requires std::unsigned_integral<std::remove_cvref_t<decltype(T::BlockSize)>>;
+    typename std::integral_constant<decltype(T::BlockSize), T::BlockSize>;
+
+    requires std::unsigned_integral<std::remove_cvref_t<decltype(T::KeySize)>>;
+    typename std::integral_constant<decltype(T::KeySize), T::KeySize>;
+
+    constEncryptor.EncryptBlock(outBegin, outEnd, inBegin, inEnd);
+    { constEncryptor.EncryptBlock(block) } -> std::same_as<typename T::Block>;
+    { constEncryptor.GetBlockSize() } -> std::unsigned_integral;
+};
+
+} // namespace Chaos::Cipher::Block
+
+#endif // CHAOS_CIPHER_BLOCK_BLOCKENCRYPTOR_HPP