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MD5Digest: Span-ify

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This commit is contained in:
Stenzek 2024-07-18 17:33:15 +10:00
parent 41e15539f9
commit 7217536fdd
No known key found for this signature in database
5 changed files with 33 additions and 9 deletions
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20
src/common/md5_digest.cpp
View file

@ -137,6 +137,16 @@ void MD5Digest::Reset()
this->bits[1] = 0; this->bits[1] = 0;
} }
std::array<u8, MD5Digest::DIGEST_SIZE> MD5Digest::HashData(std::span<const u8> data)
{
std::array<u8, DIGEST_SIZE> ret;
MD5Digest digest;
digest.Update(data);
digest.Final(ret);
return ret;
}
void MD5Digest::Update(const void* pData, u32 cbData) void MD5Digest::Update(const void* pData, u32 cbData)
{ {
u32 t; u32 t;
@ -185,7 +195,13 @@ void MD5Digest::Update(const void* pData, u32 cbData)
std::memcpy(this->in, pByteData, cbData); std::memcpy(this->in, pByteData, cbData);
} }
void MD5Digest::Final(u8 Digest[16]) void MD5Digest::Update(std::span<const u8> data)
{
if (!data.empty())
Update(data.data(), static_cast<u32>(data.size_bytes()));
}
void MD5Digest::Final(std::span<u8, DIGEST_SIZE> digest)
{ {
u32 count; u32 count;
u8* p; u8* p;
@ -225,5 +241,5 @@ void MD5Digest::Final(u8 Digest[16])
MD5Transform(this->buf, (u32*)this->in); MD5Transform(this->buf, (u32*)this->in);
byteReverse((unsigned char*)this->buf, 4); byteReverse((unsigned char*)this->buf, 4);
std::memcpy(Digest, this->buf, 16); std::memcpy(digest.data(), this->buf, 16);
} }

12
src/common/md5_digest.h
View file

@ -1,18 +1,26 @@
// SPDX-FileCopyrightText: 2019-2022 Connor McLaughlin <stenzek@gmail.com> // SPDX-FileCopyrightText: 2019-2024 Connor McLaughlin <stenzek@gmail.com>
// SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0) // SPDX-License-Identifier: (GPL-3.0 OR CC-BY-NC-ND-4.0)
#pragma once #pragma once
#include "types.h" #include "types.h"
#include <array>
#include <span>
class MD5Digest class MD5Digest
{ {
public: public:
static constexpr u32 DIGEST_SIZE = 16;
MD5Digest(); MD5Digest();
void Update(const void* pData, u32 cbData); void Update(const void* pData, u32 cbData);
void Final(u8 Digest[16]); void Update(std::span<const u8> data);
void Final(std::span<u8, DIGEST_SIZE> digest);
void Reset(); void Reset();
static std::array<u8, DIGEST_SIZE> HashData(std::span<const u8> data);
private: private:
u32 buf[4]; u32 buf[4];
u32 bits[2]; u32 bits[2];

2
src/core/achievements.cpp
View file

@ -292,7 +292,7 @@ std::string Achievements::GetGameHash(CDImage* image)
MD5Digest digest; MD5Digest digest;
digest.Update(executable_name.c_str(), static_cast<u32>(executable_name.size())); digest.Update(executable_name.c_str(), static_cast<u32>(executable_name.size()));
if (hash_size > 0) if (hash_size > 0)
digest.Update(executable_data.data(), hash_size); digest.Update(executable_data);
u8 hash[16]; u8 hash[16];
digest.Final(hash); digest.Final(hash);

2
src/core/bios.cpp
View file

@ -163,7 +163,7 @@ BIOS::Hash BIOS::GetImageHash(const BIOS::Image& image)
{ {
BIOS::Hash hash; BIOS::Hash hash;
MD5Digest digest; MD5Digest digest;
digest.Update(image.data(), static_cast<u32>(image.size())); digest.Update(image);
digest.Final(hash.bytes); digest.Final(hash.bytes);
return hash; return hash;
} }

6
src/util/cd_image_hasher.cpp
View file

@ -45,7 +45,7 @@ bool CDImageHasher::ReadIndex(CDImage* image, u8 track, u8 index, MD5Digest* dig
return false; return false;
} }
digest->Update(sector.data(), static_cast<u32>(sector.size())); digest->Update(sector);
} }
progress_callback->SetProgressValue(index_length); progress_callback->SetProgressValue(index_length);
@ -126,7 +126,7 @@ bool CDImageHasher::GetImageHash(CDImage* image, Hash* out_hash,
} }
progress_callback->SetProgressValue(image->GetTrackCount()); progress_callback->SetProgressValue(image->GetTrackCount());
digest.Final(out_hash->data()); digest.Final(*out_hash);
return true; return true;
} }
@ -137,6 +137,6 @@ bool CDImageHasher::GetTrackHash(CDImage* image, u8 track, Hash* out_hash,
if (!ReadTrack(image, track, &digest, progress_callback)) if (!ReadTrack(image, track, &digest, progress_callback))
return false; return false;
digest.Final(out_hash->data()); digest.Final(*out_hash);
return true; return true;
} }