Ncryptopenstorageprovider New [SECURE × CHOICE]
or a smart card by loading the specific KSP for that device. The Developer's "Workflow" (The Story) To successfully use NCryptOpenStorageProvider , developers follow a specific sequence: Ncryptopenstorageprovider New
Imagine a SaaS company running a single Kubernetes cluster for 100 different clients. Compliance requires that Client A cannot read Client B's database files.
Hardware-isolated keys bound directly to the motherboard's chip. MS_SMART_CARD_KEY_STORAGE_PROVIDER "Microsoft Smart Card Key Storage Provider" ncryptopenstorageprovider new
SECURITY_STATUS NCryptOpenStorageProvider( [out] NCRYPT_PROV_HANDLE *phProvider, [in, optional] LPCWSTR pszProviderName, [in] DWORD dwFlags ); Use code with caution. Copied to clipboard Parameters phProvider : A pointer to an NCRYPT_PROV_HANDLE variable. This receives the provider handle. pszProviderName : A pointer to a Unicode string identifying the KSP. , the default provider is loaded. : No flags are currently defined for this function (set to 🏗️ Built-in Microsoft Providers
MS_KEY_STORAGE_PROVIDER ( L"Microsoft Software Key Storage Provider" ): The standard software-based provider. or a smart card by loading the specific KSP for that device
Furthermore, the ability to open "new" or alternative providers allows for sophisticated security postures. For example, a high-security application can bypass the default software-based storage and explicitly call NCryptOpenStorageProvider with the identifier for the TPM provider ( MS_PLATFORM_CRYPTO_PROVIDER ). This action instructs the OS to utilize the hardware security chip, ensuring that private keys are generated and stored in tamper-resistant hardware rather than on the hard drive. This flexibility is a key advantage over legacy systems, where the provider selection was often opaque and difficult to control programmatically.
: A pointer to an NCRYPT_PROV_HANDLE variable that receives the provider handle. This receives the provider handle
A critical structural constraint noted in Microsoft's NCrypt documentation states that .
In legacy models, yes. LUKS or dm-crypt could add 15-20% latency. However, the NcryptOpenStorageProvider leverages .
The function can load several built-in KSPs using their predefined aliases. Here are the three primary ones documented by Microsoft: