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_sha256.cpp | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'src/buildtool/crypto/hash_impl_sha256.cpp')

diff --git a/src/buildtool/crypto/hash_impl_sha256.cpp b/src/buildtool/crypto/hash_impl_sha256.cpp
index bbea10d3..8fa80bbc 100644
--- a/src/buildtool/crypto/hash_impl_sha256.cpp
+++ b/src/buildtool/crypto/hash_impl_sha256.cpp
@@ -1,11 +1,12 @@
+#include "src/buildtool/crypto/hash_impl_sha256.hpp"
+
 #include <array>
 #include <cstdint>
 
 #include "openssl/sha.h"
-#include "src/buildtool/crypto/hash_impl.hpp"
 
 /// \brief Hash implementation for SHA-256
-class HashImplSha256 final : public IHashImpl {
+class HashImplSha256 final : public Hasher::IHashImpl {
   public:
     HashImplSha256() { initialized_ = SHA256_Init(&ctx_) == 1; }
 
@@ -35,16 +36,12 @@ class HashImplSha256 final : public IHashImpl {
         return {};
     }
 
-    [[nodiscard]] auto DigestLength() const noexcept -> std::size_t final {
-        return SHA256_DIGEST_LENGTH;
-    }
-
   private:
     SHA256_CTX ctx_{};
     bool initialized_{};
 };
 
 /// \brief Factory for SHA-256 implementation
-auto CreateHashImplSha256() -> std::unique_ptr<IHashImpl> {
+auto CreateHashImplSha256() -> std::unique_ptr<Hasher::IHashImpl> {
     return std::make_unique<HashImplSha256>();
 }
-- 
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