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AddUsersToEncryptedFile function

Adds user keys to the specified encrypted file.

Syntax


DWORD WINAPI AddUsersToEncryptedFile(
  _In_  LPCWSTR lpFileName,
  _In_  PENCRYPTION_CERTIFICATE_LIST pUsers
);

Parameters

lpFileName [in]

The name of the encrypted file.

pUsers [in]

A pointer to an ENCRYPTION_CERTIFICATE_LIST structure that contains the list of new user keys to be added to 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

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

TechnologySupported

Server Message Block (SMB) 3.0 protocol

No

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.

Examples

For example code that uses this function, see Adding Users to an Encrypted File.

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_LIST
File Encryption
File Management Functions

 

 

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