externals: Remove need for cryptopp build. (#2707)

.gitmodules

@@ -1,11 +1,3 @@
-[submodule "externals/cryptopp-cmake"]
-	path = externals/cryptopp-cmake
-	url = https://github.com/shadps4-emu/ext-cryptopp-cmake.git
-	shallow = true
-[submodule "externals/cryptopp"]
-	path = externals/cryptopp
-	url = https://github.com/shadps4-emu/ext-cryptopp.git
-	shallow = true
 [submodule "externals/zlib-ng"]
 	path = externals/zlib-ng
 	url = https://github.com/shadps4-emu/ext-zlib-ng.git

CMakeLists.txt

@@ -583,6 +583,7 @@ set(COMMON src/common/logging/backend.cpp
            src/common/logging/text_formatter.cpp
            src/common/logging/text_formatter.h
            src/common/logging/types.h
+           src/common/aes.h
            src/common/alignment.h
            src/common/arch.h
            src/common/assert.cpp
@@ -614,6 +615,7 @@ set(COMMON src/common/logging/backend.cpp
            src/common/polyfill_thread.h
            src/common/rdtsc.cpp
            src/common/rdtsc.h
+           src/common/sha1.h
            src/common/signal_context.h
            src/common/signal_context.cpp
            src/common/singleton.h
@@ -1022,7 +1024,7 @@ endif()
 create_target_directory_groups(shadps4)
 
 target_link_libraries(shadps4 PRIVATE magic_enum::magic_enum fmt::fmt toml11::toml11 tsl::robin_map xbyak::xbyak Tracy::TracyClient RenderDoc::API FFmpeg::ffmpeg Dear_ImGui gcn half::half ZLIB::ZLIB PNG::PNG)
-target_link_libraries(shadps4 PRIVATE Boost::headers GPUOpen::VulkanMemoryAllocator LibAtrac9 sirit Vulkan::Headers xxHash::xxhash Zydis::Zydis glslang::glslang SDL3::SDL3 pugixml::pugixml stb::headers cryptopp::cryptopp)
+target_link_libraries(shadps4 PRIVATE Boost::headers GPUOpen::VulkanMemoryAllocator LibAtrac9 sirit Vulkan::Headers xxHash::xxhash Zydis::Zydis glslang::glslang SDL3::SDL3 pugixml::pugixml stb::headers)
 
 target_compile_definitions(shadps4 PRIVATE IMGUI_USER_CONFIG="imgui/imgui_config.h")
 target_compile_definitions(Dear_ImGui PRIVATE IMGUI_USER_CONFIG="${PROJECT_SOURCE_DIR}/src/imgui/imgui_config.h")

externals/CMakeLists.txt

@@ -26,21 +26,7 @@ if (NOT TARGET fmt::fmt)
     add_subdirectory(fmt)
 endif()
 
-# CryptoPP
-if (NOT TARGET cryptopp::cryptopp)
-    set(CRYPTOPP_INSTALL OFF)
-    set(CRYPTOPP_BUILD_TESTING OFF)
-    set(CRYPTOPP_SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/cryptopp)
-    # cryptopp instruction set checks do not account for added compile options,
-    # so disable extensions in the library config to match our chosen target CPU.
-    set(CRYPTOPP_DISABLE_AESNI ON)
-    set(CRYPTOPP_DISABLE_AVX2 ON)
-    add_subdirectory(cryptopp-cmake)
-    file(COPY cryptopp DESTINATION cryptopp FILES_MATCHING PATTERN "*.h")
-    # remove externals/cryptopp from include directories because it contains a conflicting zlib.h file
-    set_target_properties(cryptopp PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_BINARY_DIR}/cryptopp")
-endif()
-
+# FFmpeg
 if (NOT TARGET FFmpeg::ffmpeg)
     add_subdirectory(ffmpeg-core)
     add_library(FFmpeg::ffmpeg ALIAS ffmpeg)

externals/cryptopp

@@ -1 +0,0 @@
-Subproject commit effed0d0b865afc23ed67e0916f83734e4b9b3b7

externals/cryptopp-cmake

@@ -1 +0,0 @@
-Subproject commit 2c384c28265a93358a2455e610e76393358794df

src/common/sha1.h

@@ -0,0 +1,180 @@
+// SPDX-FileCopyrightText: 2012 SAURAV MOHAPATRA <mohaps@gmail.com>
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include <cstdint>
+#include <cstdlib>
+#include <cstring>
+
+namespace sha1 {
+class SHA1 {
+public:
+    typedef uint32_t digest32_t[5];
+    typedef uint8_t digest8_t[20];
+    inline static uint32_t LeftRotate(uint32_t value, size_t count) {
+        return (value << count) ^ (value >> (32 - count));
+    }
+    SHA1() {
+        reset();
+    }
+    virtual ~SHA1() {}
+    SHA1(const SHA1& s) {
+        *this = s;
+    }
+    const SHA1& operator=(const SHA1& s) {
+        memcpy(m_digest, s.m_digest, 5 * sizeof(uint32_t));
+        memcpy(m_block, s.m_block, 64);
+        m_blockByteIndex = s.m_blockByteIndex;
+        m_byteCount = s.m_byteCount;
+        return *this;
+    }
+    SHA1& reset() {
+        m_digest[0] = 0x67452301;
+        m_digest[1] = 0xEFCDAB89;
+        m_digest[2] = 0x98BADCFE;
+        m_digest[3] = 0x10325476;
+        m_digest[4] = 0xC3D2E1F0;
+        m_blockByteIndex = 0;
+        m_byteCount = 0;
+        return *this;
+    }
+    SHA1& processByte(uint8_t octet) {
+        this->m_block[this->m_blockByteIndex++] = octet;
+        ++this->m_byteCount;
+        if (m_blockByteIndex == 64) {
+            this->m_blockByteIndex = 0;
+            processBlock();
+        }
+        return *this;
+    }
+    SHA1& processBlock(const void* const start, const void* const end) {
+        const uint8_t* begin = static_cast<const uint8_t*>(start);
+        const uint8_t* finish = static_cast<const uint8_t*>(end);
+        while (begin != finish) {
+            processByte(*begin);
+            begin++;
+        }
+        return *this;
+    }
+    SHA1& processBytes(const void* const data, size_t len) {
+        const uint8_t* block = static_cast<const uint8_t*>(data);
+        processBlock(block, block + len);
+        return *this;
+    }
+    const uint32_t* getDigest(digest32_t digest) {
+        size_t bitCount = this->m_byteCount * 8;
+        processByte(0x80);
+        if (this->m_blockByteIndex > 56) {
+            while (m_blockByteIndex != 0) {
+                processByte(0);
+            }
+            while (m_blockByteIndex < 56) {
+                processByte(0);
+            }
+        } else {
+            while (m_blockByteIndex < 56) {
+                processByte(0);
+            }
+        }
+        processByte(0);
+        processByte(0);
+        processByte(0);
+        processByte(0);
+        processByte(static_cast<unsigned char>((bitCount >> 24) & 0xFF));
+        processByte(static_cast<unsigned char>((bitCount >> 16) & 0xFF));
+        processByte(static_cast<unsigned char>((bitCount >> 8) & 0xFF));
+        processByte(static_cast<unsigned char>((bitCount) & 0xFF));
+
+        memcpy(digest, m_digest, 5 * sizeof(uint32_t));
+        return digest;
+    }
+    const uint8_t* getDigestBytes(digest8_t digest) {
+        digest32_t d32;
+        getDigest(d32);
+        size_t di = 0;
+        digest[di++] = ((d32[0] >> 24) & 0xFF);
+        digest[di++] = ((d32[0] >> 16) & 0xFF);
+        digest[di++] = ((d32[0] >> 8) & 0xFF);
+        digest[di++] = ((d32[0]) & 0xFF);
+
+        digest[di++] = ((d32[1] >> 24) & 0xFF);
+        digest[di++] = ((d32[1] >> 16) & 0xFF);
+        digest[di++] = ((d32[1] >> 8) & 0xFF);
+        digest[di++] = ((d32[1]) & 0xFF);
+
+        digest[di++] = ((d32[2] >> 24) & 0xFF);
+        digest[di++] = ((d32[2] >> 16) & 0xFF);
+        digest[di++] = ((d32[2] >> 8) & 0xFF);
+        digest[di++] = ((d32[2]) & 0xFF);
+
+        digest[di++] = ((d32[3] >> 24) & 0xFF);
+        digest[di++] = ((d32[3] >> 16) & 0xFF);
+        digest[di++] = ((d32[3] >> 8) & 0xFF);
+        digest[di++] = ((d32[3]) & 0xFF);
+
+        digest[di++] = ((d32[4] >> 24) & 0xFF);
+        digest[di++] = ((d32[4] >> 16) & 0xFF);
+        digest[di++] = ((d32[4] >> 8) & 0xFF);
+        digest[di++] = ((d32[4]) & 0xFF);
+        return digest;
+    }
+
+protected:
+    void processBlock() {
+        uint32_t w[80];
+        for (size_t i = 0; i < 16; i++) {
+            w[i] = (m_block[i * 4 + 0] << 24);
+            w[i] |= (m_block[i * 4 + 1] << 16);
+            w[i] |= (m_block[i * 4 + 2] << 8);
+            w[i] |= (m_block[i * 4 + 3]);
+        }
+        for (size_t i = 16; i < 80; i++) {
+            w[i] = LeftRotate((w[i - 3] ^ w[i - 8] ^ w[i - 14] ^ w[i - 16]), 1);
+        }
+
+        uint32_t a = m_digest[0];
+        uint32_t b = m_digest[1];
+        uint32_t c = m_digest[2];
+        uint32_t d = m_digest[3];
+        uint32_t e = m_digest[4];
+
+        for (std::size_t i = 0; i < 80; ++i) {
+            uint32_t f = 0;
+            uint32_t k = 0;
+
+            if (i < 20) {
+                f = (b & c) | (~b & d);
+                k = 0x5A827999;
+            } else if (i < 40) {
+                f = b ^ c ^ d;
+                k = 0x6ED9EBA1;
+            } else if (i < 60) {
+                f = (b & c) | (b & d) | (c & d);
+                k = 0x8F1BBCDC;
+            } else {
+                f = b ^ c ^ d;
+                k = 0xCA62C1D6;
+            }
+            uint32_t temp = LeftRotate(a, 5) + f + e + k + w[i];
+            e = d;
+            d = c;
+            c = LeftRotate(b, 30);
+            b = a;
+            a = temp;
+        }
+
+        m_digest[0] += a;
+        m_digest[1] += b;
+        m_digest[2] += c;
+        m_digest[3] += d;
+        m_digest[4] += e;
+    }
+
+private:
+    digest32_t m_digest;
+    uint8_t m_block[64];
+    size_t m_blockByteIndex;
+    size_t m_byteCount;
+};
+} // namespace sha1

src/core/file_format/trp.cpp

@@ -1,35 +1,24 @@
 // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <cryptopp/aes.h>
-#include <cryptopp/modes.h>
-
+#include "common/aes.h"
 #include "common/config.h"
 #include "common/logging/log.h"
 #include "common/path_util.h"
 #include "core/file_format/trp.h"
 
-static void DecryptEFSM(std::span<CryptoPP::byte, 16> trophyKey,
-                        std::span<CryptoPP::byte, 16> NPcommID,
-                        std::span<CryptoPP::byte, 16> efsmIv, std::span<CryptoPP::byte> ciphertext,
-                        std::span<CryptoPP::byte> decrypted) {
+static void DecryptEFSM(std::span<u8, 16> trophyKey, std::span<u8, 16> NPcommID,
+                        std::span<u8, 16> efsmIv, std::span<u8> ciphertext,
+                        std::span<u8> decrypted) {
+    // Step 1: Encrypt NPcommID
+    std::array<u8, 16> trophyIv{};
+    std::array<u8, 16> trpKey;
+    aes::encrypt_cbc(NPcommID.data(), NPcommID.size(), trophyKey.data(), trophyKey.size(),
+                     trophyIv.data(), trpKey.data(), trpKey.size(), false);
 
-    // step 1: Encrypt NPcommID
-    CryptoPP::CBC_Mode<CryptoPP::AES>::Encryption encrypt;
-
-    std::vector<CryptoPP::byte> trophyIv(16, 0);
-    std::vector<CryptoPP::byte> trpKey(16);
-
-    encrypt.SetKeyWithIV(trophyKey.data(), trophyKey.size(), trophyIv.data());
-    encrypt.ProcessData(trpKey.data(), NPcommID.data(), 16);
-
-    // step 2: decrypt efsm.
-    CryptoPP::CBC_Mode<CryptoPP::AES>::Decryption decrypt;
-    decrypt.SetKeyWithIV(trpKey.data(), trpKey.size(), efsmIv.data());
-
-    for (size_t i = 0; i < decrypted.size(); i += CryptoPP::AES::BLOCKSIZE) {
-        decrypt.ProcessData(decrypted.data() + i, ciphertext.data() + i, CryptoPP::AES::BLOCKSIZE);
-    }
+    // Step 2: Decrypt EFSM
+    aes::decrypt_cbc(ciphertext.data(), ciphertext.size(), trpKey.data(), trpKey.size(),
+                     efsmIv.data(), decrypted.data(), decrypted.size(), nullptr);
 }
 
 TRP::TRP() = default;
@@ -80,7 +69,7 @@ bool TRP::Extract(const std::filesystem::path& trophyPath, const std::string tit
         return false;
     }
 
-    std::array<CryptoPP::byte, 16> user_key{};
+    std::array<u8, 16> user_key{};
     hexToBytes(user_key_str.c_str(), user_key.data());
 
     for (int index = 0; const auto& it : std::filesystem::directory_iterator(gameSysDir)) {

src/core/module.cpp

@@ -1,13 +1,12 @@
 // SPDX-FileCopyrightText: Copyright 2024 shadPS4 Emulator Project
 // SPDX-License-Identifier: GPL-2.0-or-later
 
-#include <cryptopp/sha.h>
-
 #include "common/alignment.h"
 #include "common/arch.h"
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "common/memory_patcher.h"
+#include "common/sha1.h"
 #include "common/string_util.h"
 #include "core/aerolib/aerolib.h"
 #include "core/cpu_patches.h"
@@ -65,11 +64,13 @@ static std::string StringToNid(std::string_view symbol) {
     std::memcpy(input.data(), symbol.data(), symbol.size());
     std::memcpy(input.data() + symbol.size(), Salt.data(), Salt.size());
 
-    std::array<u8, CryptoPP::SHA1::DIGESTSIZE> hash;
-    CryptoPP::SHA1().CalculateDigest(hash.data(), input.data(), input.size());
+    sha1::SHA1::digest8_t hash;
+    sha1::SHA1 sha;
+    sha.processBytes(input.data(), input.size());
+    sha.getDigestBytes(hash);
 
     u64 digest;
-    std::memcpy(&digest, hash.data(), sizeof(digest));
+    std::memcpy(&digest, hash, sizeof(digest));
 
     static constexpr std::string_view codes =
         "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-";