CertSetStoreProperty function (wincrypt.h)

The CertSetStoreProperty function sets a store property.


BOOL CertSetStoreProperty(
  [in] HCERTSTORE hCertStore,
  [in] DWORD      dwPropId,
  [in] DWORD      dwFlags,
  [in] const void *pvData


[in] hCertStore

Handle for the certificate store.

[in] dwPropId

Indicates one of a range of store properties. Values for user-defined properties must be outside the current range of predefined context property values. Currently, user-defined dwPropId values begin at 4,096. There is one predefined store property, CERT_STORE_LOCALIZED_NAME_PROP_ID, the localized name of the store.

[in] dwFlags

Reserved for future use and must be zero.

[in] pvData

The type definition for pvData depends on the dwPropId value. If dwPropId is CERT_STORE_LOCALIZED_NAME_PROP_ID, pvData points to a CRYPT_DATA_BLOB structure. The pbData member of that structure is a pointer to a null-terminated Unicode character string. The cbData member of that structure is a DWORD value holding the length of the string.

For user-defined dwPropId values, pvData is a pointer to an encoded CRYPT_DATA_BLOB.

If a value already exists for the selected property, the old value is replaced.

Calling this function with pvData set to NULL deletes a property.

Return value

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE.


Store property identifiers are properties applicable to an entire store. They are not properties for an individual certificate, CRL, or CTL context. Currently, no store properties are persisted.


The following example shows setting the localized name property of an open certificate store.

// Declare and initialize variables.

HCERTSTORE hCertStore = NULL;       // Original certificate store
CRYPT_DATA_BLOB Property_Name_Blob; // BLOB to hold store property

// Open the certificate store that will have its localized name
// property set. In this case, the CA system store is opened. 

if ( hCertStore = CertOpenStore(
     printf("The CA store is open.\n");
     printf("The CA store could not be opened \n.");

// Prepare a data structure to set a store property.
// Initialize the members of the CRYPT_DATA_BLOB.
Property_Name_Blob.pbData = (BYTE *) L"The Local CA Store";
Property_Name_Blob.cbData = 
       (wcslen((LPWSTR)Property_Name_Blob.pbData)+1) * sizeof(WCHAR);

// Set the store's localized name property.
if (CertSetStoreProperty(
     printf("The name of the store has been set. Continue. \n");
     printf("Setting the store's localized name failed.\n");

// Close the store when done.
if (!CertCloseStore(
     0 ))
     printf("The CA store could not be closed \n.");


For another example that uses this function, see Example C Program: Setting and Getting Certificate Store Properties.


Requirement Value
Minimum supported client Windows XP [desktop apps | UWP apps]
Minimum supported server Windows Server 2003 [desktop apps | UWP apps]
Target Platform Windows
Header wincrypt.h
Library Crypt32.lib
DLL Crypt32.dll

See also


Certificate Store Functions