Switch to cmake + vcpkg, builds on linux, windows needs verification.

Code has been modified to be portable.

pglablib/utils/HumanReadableBytes.h

@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstdint>
 #include <string>
 
 std::string HumanReadableBytes(uint64_t bytes);

pglablib/utils/PasswordManager.cpp

@@ -9,7 +9,7 @@
 #include <botan/base64.h>
 #include <botan/mac.h>
 #include <botan/block_cipher.h>
-#include <boost/lexical_cast.hpp>
+#include <botan/exceptn.h>
 
 using namespace Botan;
 
@@ -33,7 +33,7 @@ public:
 		* distinct key which is derived by hashing the wrapped key name with HMAC.
 		*/
 		const std::vector<uint8_t> wrapped_name =
-		   nist_key_wrap_padded(cast_char_ptr_to_uint8(name.data()),
+		   nist_key_wrap_padded(reinterpret_cast<const uint8_t*>(name.data()),
 								name.size(),
 								*m_cipher);
 
@@ -47,7 +47,7 @@ public:
 	secure_vector<uint8_t> get(const std::string& name, const std::string_view &wrapped_key) const
 	{
 	   const std::vector<uint8_t> wrapped_name =
-		  nist_key_wrap_padded(cast_char_ptr_to_uint8(name.data()),
+		  nist_key_wrap_padded(reinterpret_cast<const uint8_t*>(name.data()),
 							   name.size(),
 							   *m_cipher);
 

pglablib/utils/PasswordManager.h

@@ -19,7 +19,11 @@ namespace Botan {
 
 class PasswordManagerException: public std::exception {
 public:
-    using std::exception::exception; //(char const* const _Message);
+    PasswordManagerException() = default;
+    explicit PasswordManagerException(const char *message) : m_message(message) {}
+    const char *what() const noexcept override { return m_message.c_str(); }
+private:
+    std::string m_message;
 };
 
 class PasswordManagerLockedException: public PasswordManagerException {