feat(compiler): Output client parameters when compile to a library

close #198

compiler/include/concretelang/ClientLib/KeySetCache.h

@@ -0,0 +1,36 @@
+// Part of the Concrete Compiler Project, under the BSD3 License with Zama
+// Exceptions. See
+// https://github.com/zama-ai/homomorphizer/blob/master/LICENSE.txt for license
+// information.
+
+#ifndef CONCRETELANG_SUPPORT_KEYSETCACHE_H_
+#define CONCRETELANG_SUPPORT_KEYSETCACHE_H_
+
+#include "concretelang/ClientLib/KeySet.h"
+
+namespace mlir {
+namespace concretelang {
+
+class KeySet;
+
+class KeySetCache {
+  std::string backingDirectoryPath;
+
+public:
+  KeySetCache(std::string backingDirectoryPath)
+      : backingDirectoryPath(backingDirectoryPath) {}
+
+  llvm::Expected<std::unique_ptr<KeySet>>
+  tryLoadOrGenerateSave(ClientParameters &params, uint64_t seed_msb,
+                        uint64_t seed_lsb);
+
+private:
+  static llvm::Expected<std::unique_ptr<KeySet>>
+  tryLoadKeys(ClientParameters &params, uint64_t seed_msb, uint64_t seed_lsb,
+              llvm::SmallString<0> &folderPath);
+};
+
+} // namespace concretelang
+} // namespace mlir
+
+#endif