From 855affd9b681d98f248009ddb2c1abe987029f72 Mon Sep 17 00:00:00 2001
From: Oliver Reiche <oliver.reiche@huawei.com>
Date: Wed, 15 Jun 2022 18:51:47 +0200
Subject: 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.
---
 src/buildtool/crypto/hash_impl_md5.cpp | 50 ----------------------------------
 1 file changed, 50 deletions(-)
 delete mode 100644 src/buildtool/crypto/hash_impl_md5.cpp

(limited to 'src/buildtool/crypto/hash_impl_md5.cpp')

diff --git a/src/buildtool/crypto/hash_impl_md5.cpp b/src/buildtool/crypto/hash_impl_md5.cpp
deleted file mode 100644
index 106dc984..00000000
--- a/src/buildtool/crypto/hash_impl_md5.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-#include <array>
-#include <cstdint>
-
-#include "openssl/md5.h"
-#include "src/buildtool/crypto/hash_impl.hpp"
-
-/// \brief Hash implementation for MD5
-class HashImplMd5 final : public IHashImpl {
-  public:
-    HashImplMd5() { initialized_ = MD5_Init(&ctx_) == 1; }
-
-    auto Update(std::string const& data) noexcept -> bool final {
-        return initialized_ and
-               MD5_Update(&ctx_, data.data(), data.size()) == 1;
-    }
-
-    auto Finalize() && noexcept -> std::optional<std::string> final {
-        if (initialized_) {
-            auto out = std::array<std::uint8_t, MD5_DIGEST_LENGTH>{};
-            if (MD5_Final(out.data(), &ctx_) == 1) {
-                return std::string{out.begin(), out.end()};
-            }
-        }
-        return std::nullopt;
-    }
-
-    auto Compute(std::string const& data) && noexcept -> std::string final {
-        if (Update(data)) {
-            auto digest = std::move(*this).Finalize();
-            if (digest) {
-                return *digest;
-            }
-        }
-        FatalError();
-        return {};
-    }
-
-    [[nodiscard]] auto DigestLength() const noexcept -> std::size_t final {
-        return MD5_DIGEST_LENGTH;
-    }
-
-  private:
-    MD5_CTX ctx_{};
-    bool initialized_{};
-};
-
-/// \brief Factory for MD5 implementation
-auto CreateHashImplMd5() -> std::unique_ptr<IHashImpl> {
-    return std::make_unique<HashImplMd5>();
-}
-- 
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