The primary feature of NCryptOpenStorageProvider is providing a for managing cryptographic keys. Instead of writing unique code for every different hardware security module (HSM) or software-based storage provider, you use this function to obtain a handle that works across all of them.
: Binds private keys permanently to the machine's hardware Trusted Platform Module (TPM) . This provider prevents keys from being exported, safeguarding them against extraction or cloning attempts. 3. Implementing a "New" Key Lifecycle via CNG
// 3. Set key properties (key length, export policy, etc.) DWORD keyLength = 2048; status = NCryptSetProperty(hKey, NCRYPT_LENGTH_PROPERTY, (PBYTE)&keyLength, sizeof(keyLength), 0); ncryptopenstorageprovider new
Used for TPM-backed keys.
Better support for elliptical curve cryptography (ECC) and modern hashing algorithms. Flexibility: It allows for custom Key Storage Providers. Set key properties (key length, export policy, etc
If you are looking to secure your applications, transitioning from legacy API calls to NCryptOpenStorageProvider is a vital step.
The new command implements idempotent transactions. If the process fails during Phase 3 (metadata write), the command automatically rolls back by: Set key properties (key length
Appendices
The NCryptOpenStorageProvider function loads and initializes a CNG key storage provider. Microsoft Learn