Platform SDK: Cryptography

CPDestroyHash

The CPDestroyHash function destroys the hash object referenced by the hHash parameter.

BOOL CPDestroyHash(
  HCRYPTPROV hProv, // in
  HCRYPTHASH hHash  // in
);

Parameters

hProv: Handle to a particular key container within the CSP. This handle is obtained by a call to CPAcquireContext.
hHash: Handle to the hash object to be destroyed.

Return Values

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE, and the appropriate error code from the following table must be set using SetLastError.

Error	Description
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 now be found.

Requirements

  Windows NT/2000: Requires Windows NT 4.0 or later.
  Windows 95/98: Requires Windows 95 OSR2 or later (or Windows 95 with Internet Explorer 3.02 or later).
  Header: Declared in Wincrypt.h.

CPDestroyHash

Parameters

Return Values

Requirements

See Also