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RemoveUsersFromEncryptedFile function

Removes specified certificate hashes from a specified file.

Syntax


DWORD WINAPI RemoveUsersFromEncryptedFile(
  _In_  LPCWSTR lpFileName,
  _In_  PENCRYPTION_CERTIFICATE_HASH_LIST pHashes
);

Parameters

lpFileName [in]

The name of the file.

pHashes [in]

A pointer to an ENCRYPTION_CERTIFICATE_HASH_LIST structure that contains a list of certificate hashes to be removed from the file.

Return value

If the function succeeds, the return value is ERROR_SUCCESS.

If the function fails, the return value is a system error code. For a complete list of error codes, see System Error Codes or the header file WinError.h.

Remarks

The RemoveUsersFromEncryptedFile function removes the specified certificate hashes if they exist in the specified file. If any of the certificate hashes are not found in the specified file, they are ignored and no error code is returned.

In Windows 8 and Windows Server 2012, this function is supported by the following technologies.

TechnologySupported

Server Message Block (SMB) 3.0 protocol

Yes

SMB 3.0 Transparent Failover (TFO)

No

SMB 3.0 with Scale-out File Shares (SO)

No

Cluster Shared Volume File System (CsvFS)

No

Resilient File System (ReFS)

No

 

SMB 3.0 does not support EFS on shares with continuous availability capability.

Requirements

Minimum supported client

Windows XP Professional [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Winefs.h (include Windows.h)

Library

Advapi32.lib

DLL

Advapi32.dll

See also

ENCRYPTION_CERTIFICATE_HASH_LIST
File Encryption
File Management Functions

 

 

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