diff --git a/src/openrct2/core/Crypt.CNG.cpp b/src/openrct2/core/Crypt.CNG.cpp
index 891a775506..dc1b096598 100644
--- a/src/openrct2/core/Crypt.CNG.cpp
+++ b/src/openrct2/core/Crypt.CNG.cpp
@@ -421,7 +421,7 @@ public:
 
     void SetPrivate(std::string_view pem) override
     {
-        auto der = ReadPEM(pem, SZ_PRIVATE_BEGIN_TOKEN, SZ_PRIVATE_END_TOKEN);
+        auto der = ReadPEM(pem, kPrivateKeyBeginToken, kPrivateKeyEndToken);
         DerReader derReader(der);
         RsaKeyParams params;
         derReader.ReadSequenceHeader();
@@ -439,7 +439,7 @@ public:
 
     void SetPublic(std::string_view pem) override
     {
-        auto der = ReadPEM(pem, SZ_PUBLIC_BEGIN_TOKEN, SZ_PUBLIC_END_TOKEN);
+        auto der = ReadPEM(pem, kPublicKeyBeginToken, kPublicKeyEndToken);
         DerReader derReader(der);
         RsaKeyParams params;
         derReader.ReadSequenceHeader();
@@ -465,9 +465,9 @@ public:
         auto b64 = EncodeBase64(derBytes);
 
         std::ostringstream sb;
-        sb << std::string(SZ_PRIVATE_BEGIN_TOKEN) << std::endl;
+        sb << std::string(kPrivateKeyBeginToken) << std::endl;
         sb << b64;
-        sb << std::string(SZ_PRIVATE_END_TOKEN) << std::endl;
+        sb << std::string(kPrivateKeyEndToken) << std::endl;
         return sb.str();
     }
 
@@ -481,9 +481,9 @@ public:
         auto b64 = EncodeBase64(derBytes);
 
         std::ostringstream sb;
-        sb << std::string(SZ_PUBLIC_BEGIN_TOKEN) << std::endl;
+        sb << std::string(kPublicKeyBeginToken) << std::endl;
         sb << b64;
-        sb << std::string(SZ_PUBLIC_END_TOKEN) << std::endl;
+        sb << std::string(kPublicKeyEndToken) << std::endl;
         return sb.str();
     }
 
@@ -506,10 +506,10 @@ public:
     }
 
 private:
-    static constexpr const char* SZ_PUBLIC_BEGIN_TOKEN = "-----BEGIN RSA PUBLIC KEY-----";
-    static constexpr const char* SZ_PUBLIC_END_TOKEN = "-----END RSA PUBLIC KEY-----";
-    static constexpr const char* SZ_PRIVATE_BEGIN_TOKEN = "-----BEGIN RSA PRIVATE KEY-----";
-    static constexpr const char* SZ_PRIVATE_END_TOKEN = "-----END RSA PRIVATE KEY-----";
+    static constexpr const char* kPublicKeyBeginToken = "-----BEGIN RSA PUBLIC KEY-----";
+    static constexpr const char* kPublicKeyEndToken = "-----END RSA PUBLIC KEY-----";
+    static constexpr const char* kPrivateKeyBeginToken = "-----BEGIN RSA PRIVATE KEY-----";
+    static constexpr const char* kPrivateKeyEndToken = "-----END RSA PRIVATE KEY-----";
 
     BCRYPT_KEY_HANDLE _hKey{};
     BCRYPT_KEY_HANDLE _hAlg{};