Crypto: Refactor hash computation

... by renaming HashGenerator to (incremental) Hasher and
dropping support for Git/MD5 hashes. The Hasher does not
expose the actual hash implementation.

1 files changed, 0 insertions, 40 deletions

diff --git a/src/buildtool/crypto/hash_impl.hpp b/src/buildtool/crypto/hash_impl.hpp
deleted file mode 100644
index d37322bd..00000000
--- a/src/buildtool/crypto/hash_impl.hpp
+++ /dev/null
@@ -1,40 +0,0 @@
-#ifndef INCLUDED_SRC_BUILDTOOL_CRYPTO_HASH_IMPL_HPP
-#define INCLUDED_SRC_BUILDTOOL_CRYPTO_HASH_IMPL_HPP
-
-#include <optional>
-#include <string>
-
-#include "src/buildtool/logging/logger.hpp"
-
-/// \brief Interface for hash implementations
-class IHashImpl {
-  public:
-    IHashImpl() noexcept = default;
-    IHashImpl(IHashImpl const&) = default;
-    IHashImpl(IHashImpl&&) = default;
-    auto operator=(IHashImpl const&) -> IHashImpl& = default;
-    auto operator=(IHashImpl&&) -> IHashImpl& = default;
-    virtual ~IHashImpl() = default;
-
-    /// \brief Feed data to the incremental hashing.
-    [[nodiscard]] virtual auto Update(std::string const& data) noexcept
-        -> bool = 0;
-
-    /// \brief Finalize the hashing and return hash as string of raw bytes.
-    [[nodiscard]] virtual auto Finalize() && noexcept
-        -> std::optional<std::string> = 0;
-
-    /// \brief Compute the hash of data and return it as string of raw bytes.
-    [[nodiscard]] virtual auto Compute(std::string const& data) && noexcept
-        -> std::string = 0;
-
-    /// \brief Get length of the hash in raw bytes.
-    [[nodiscard]] virtual auto DigestLength() const noexcept -> std::size_t = 0;
-
-    static auto FatalError() noexcept -> void {
-        Logger::Log(LogLevel::Error, "Failed to compute hash.");
-        std::terminate();
-    }
-};
-
-#endif  // INCLUDED_SRC_BUILDTOOL_CRYPTO_HASH_IMPL_HPP