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SspiDecryptAuthIdentityEx function

Decrypts a SEC_WINNT_AUTH_IDENTITY_OPAQUE structure.

Syntax


NT_STATUS SspiDecryptAuthIdentityEx(
  _In_     ULONG Options,
  _Inout_  PSEC_WINNT_AUTH_IDENTITY_OPAQUE EncryptedAuthData
);

Parameters

Options [in]

Decryption options. This parameter should be the same value as the value passed to the SspiEncryptAuthIdentityEx function, which can be one of the following values.

ValueMeaning
SEC_WINNT_AUTH_IDENTITY_ENCRYPT_SAME_LOGON

The encrypted structure can only be decrypted by a security context in the same logon session. This option is used to protect an identity buffer that is being sent over a local RPC.

SEC_WINNT_AUTH_IDENTITY_ENCRYPT_SAME_PROCESS

The encrypted structure can only be decrypted by the same process. Calling the function with this option is equivalent to calling SspiEncryptAuthIdentity. This option is used to protect an identity buffer that is being persisted in a process's private memory for an extended period.

 

EncryptedAuthData [in, out]

This buffer is the output of the SspiEncryptAuthIdentityEx function.

Return value

If the function succeeds, it returns SEC_E_OK.

If the function fails, it returns a nonzero error code.

Requirements

Minimum supported client

Windows 8 [desktop apps only]

Minimum supported server

Windows Server 2012 [desktop apps only]

Header

Sspi.h

 

 

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