SoundBankWriter code

src/Crypto/Crypto.cpp

@@ -1,10 +1,16 @@
 #include "Crypto.h"
 
+#include "Impl/AlgorithmMD5.h"
 #include "Impl/AlgorithmRSA.h"
 #include "Impl/AlgorithmSHA1.h"
 #include "Impl/AlgorithmSHA256.h"
 #include "Impl/AlgorithmSalsa20.h"
 
+std::unique_ptr<IHashFunction> Crypto::CreateMD5()
+{
+    return std::make_unique<AlgorithmMD5>();
+}
+
 std::unique_ptr<IHashFunction> Crypto::CreateSHA1()
 {
     return std::make_unique<AlgorithmSHA1>();

src/Crypto/Crypto.h

@@ -16,6 +16,8 @@ public:
         RSA_PADDING_PSS,
     };
 
+    static std::unique_ptr<IHashFunction> CreateMD5();
+
     static std::unique_ptr<IHashFunction> CreateSHA1();
     static std::unique_ptr<IHashFunction> CreateSHA256();
 

src/Crypto/Impl/AlgorithmMD5.cpp

@@ -0,0 +1,64 @@
+#include "AlgorithmSHA1.h"
+
+#include "CryptoLibrary.h"
+
+#include <cstdint>
+
+class AlgorithmSHA1::AlgorithmSHA1Impl
+{
+    hash_state m_state{};
+
+public:
+    AlgorithmSHA1Impl()
+    {
+        CryptoLibrary::Init();
+
+        Init();
+    }
+
+    void Init()
+    {
+        sha1_init(&m_state);
+    }
+
+    void Process(const void* input, const size_t inputSize)
+    {
+        sha1_process(&m_state, static_cast<const uint8_t*>(input), inputSize);
+    }
+
+    void Finish(void* hashBuffer)
+    {
+        sha1_done(&m_state, static_cast<uint8_t*>(hashBuffer));
+    }
+};
+
+AlgorithmSHA1::AlgorithmSHA1()
+{
+    m_impl = new AlgorithmSHA1Impl();
+}
+
+AlgorithmSHA1::~AlgorithmSHA1()
+{
+    delete m_impl;
+    m_impl = nullptr;
+}
+
+size_t AlgorithmSHA1::GetHashSize()
+{
+    return HASH_SIZE;
+}
+
+void AlgorithmSHA1::Init()
+{
+    m_impl->Init();
+}
+
+void AlgorithmSHA1::Process(const void* input, const size_t inputSize)
+{
+    m_impl->Process(input, inputSize);
+}
+
+void AlgorithmSHA1::Finish(void* hashBuffer)
+{
+    m_impl->Finish(hashBuffer);
+}

src/Crypto/Impl/AlgorithmMD5.h

@@ -0,0 +1,20 @@
+#pragma once
+#include "IHashFunction.h"
+
+class AlgorithmSHA1 : public IHashFunction
+{
+    class AlgorithmSHA1Impl;
+    AlgorithmSHA1Impl* m_impl;
+
+public:
+    static const int HASH_SIZE = 20;
+
+    AlgorithmSHA1();
+    ~AlgorithmSHA1() override;
+
+    size_t GetHashSize() override;
+
+    void Init() override;
+    void Process(const void* input, size_t inputSize) override;
+    void Finish(void* hashBuffer) override;
+};