Function name: CryptDestroyHash

Defined in : Advapi32

Requirements : Windows NT 4.0 or later; Windows 95 OSR2 or later (or Windows 95 with Internet Explorer 3.02 or later)

Declaration:

Declare Function CryptDestroyHash Lib "advapi32.dll" (ByVal hHash As Long) As Long

Parameters:

* hHash [in] A handle to the hash object to be destroyed.

Returns:

If the function succeeds, the return value is nonzero. If the function fails, the return value is zero. To retrieve extended error information, use the GetLastError function. The following table lists the error codes most commonly returned by the GetLastError function. The error codes prefaced by “NTE” are generated by the particular CSP you are using. ERROR_BUSY The hash object specified by hHash is currently being used by another process. ERROR_INVALID_HANDLE One of the parameters specifies an invalid handle. ERROR_INVALID_PARAMETER One of the parameters contains an invalid value. This is most often an illegal pointer. NTE_BAD_ALGID The hHash handle specifies an algorithm that this CSP does not support. NTE_BAD_HASH The hash object specified by the hHash parameter is invalid. NTE_BAD_UID The CSP context that was specified when the hash object was created cannot be found.

Related functions:

Examples:

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