Ncryptopenstorageprovider — New

| Feature | Legacy Open (Shared) | NcryptOpenStorageProvider New (Isolated) | | :--- | :--- | :--- | | | Fast (nanoseconds) | Slow (milliseconds, as new context loads) | | Memory Overhead | Low | Higher (duplicate internal structures) | | Thread Safety | Pseudo-safe (requires external locking) | Truly isolated per thread | | Key Isolation | No (keys are global) | Yes (keys reside in isolated container) | | Use Case | Simple scripts, single-user apps | Enterprise servers, services, HSMs |

: A pointer to an NCRYPT_PROV_HANDLE variable that receives the provider handle. ncryptopenstorageprovider new

– The system dynamically loads the provider’s DLL (e.g., ncryptsslp.dll for the smart card provider) into the calling process’s address space. | Feature | Legacy Open (Shared) | NcryptOpenStorageProvider