Import code from previous AssetBuilder version

src/Crypto/IPublicKeyAlgorithm.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <cstdint>
+
+class IPublicKeyAlgorithm
+{
+public:
+    enum HashingAlgorithm
+    {
+        RSA_HASH_SHA256,
+        RSA_HASH_SHA512
+    };
+
+    virtual ~IPublicKeyAlgorithm() = default;
+
+    virtual bool SetKey(const uint8_t* keyData, size_t keySize) = 0;
+
+    // If needed add a signing method
+
+    virtual bool Verify(const uint8_t* signedData, size_t signedDataSize, const uint8_t* signature, size_t signatureSize) = 0;
+};