windows-nt/Source/XPSP1/NT/ds/win32/ntcrypto/randlib/vlhash.h

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1998 Microsoft Corporation
Abstract:
Build up a "Very Large Hash" based on arbitrary sized input data
of size cbData specified by the pvData buffer.
This implementation updates a 640bit hash, which is internally based on
multiple invocations of a modified SHA-1 which doesn't implement endian
conversion internally.
Author:
Scott Field (sfield) 24-Sep-98
--*/
#ifndef __VLHASH_H__
#define __VLHASH_H__
BOOL
VeryLargeHashUpdate(
IN VOID *pvData, // data from perfcounters, user supplied, etc.
IN DWORD cbData,
IN OUT BYTE VeryLargeHash[A_SHA_DIGEST_LEN * 4]
);
#endif // __VLHASH_H__