CryptHashMessage

// CRYPT32.dll
#include <windows.h>

BOOL CryptHashMessage(
    CRYPT_HASH_MESSAGE_PARA* pHashPara,
    BOOL fDetachedHash,
    DWORD cToBeHashed,
    const BYTE** rgpbToBeHashed,
    DWORD* rgcbToBeHashed,
    BYTE* pbHashedBlob,   // optional
    DWORD* pcbHashedBlob,   // optional
    BYTE* pbComputedHash,   // optional
    DWORD* pcbComputedHash   // optional
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptHashMessage(
    pHashPara As IntPtr,   ' CRYPT_HASH_MESSAGE_PARA*
    fDetachedHash As Boolean,   ' BOOL
    cToBeHashed As UInteger,   ' DWORD
    rgpbToBeHashed As IntPtr,   ' BYTE**
    ByRef rgcbToBeHashed As UInteger,   ' DWORD*
    pbHashedBlob As IntPtr,   ' BYTE* optional, out
    pcbHashedBlob As IntPtr,   ' DWORD* optional, in/out
    pbComputedHash As IntPtr,   ' BYTE* optional, out
    pcbComputedHash As IntPtr   ' DWORD* optional, in/out
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function

' pHashPara : CRYPT_HASH_MESSAGE_PARA*
' fDetachedHash : BOOL
' cToBeHashed : DWORD
' rgpbToBeHashed : BYTE**
' rgcbToBeHashed : DWORD*
' pbHashedBlob : BYTE* optional, out
' pcbHashedBlob : DWORD* optional, in/out
' pbComputedHash : BYTE* optional, out
' pcbComputedHash : DWORD* optional, in/out
Declare PtrSafe Function CryptHashMessage Lib "crypt32" ( _
    ByVal pHashPara As LongPtr, _
    ByVal fDetachedHash As Long, _
    ByVal cToBeHashed As Long, _
    ByVal rgpbToBeHashed As LongPtr, _
    ByRef rgcbToBeHashed As Long, _
    ByVal pbHashedBlob As LongPtr, _
    ByVal pcbHashedBlob As LongPtr, _
    ByVal pbComputedHash As LongPtr, _
    ByVal pcbComputedHash As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CryptHashMessage = ctypes.windll.crypt32.CryptHashMessage
CryptHashMessage.restype = wintypes.BOOL
CryptHashMessage.argtypes = [
    ctypes.c_void_p,  # pHashPara : CRYPT_HASH_MESSAGE_PARA*
    wintypes.BOOL,  # fDetachedHash : BOOL
    wintypes.DWORD,  # cToBeHashed : DWORD
    ctypes.c_void_p,  # rgpbToBeHashed : BYTE**
    ctypes.POINTER(wintypes.DWORD),  # rgcbToBeHashed : DWORD*
    ctypes.POINTER(ctypes.c_ubyte),  # pbHashedBlob : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbHashedBlob : DWORD* optional, in/out
    ctypes.POINTER(ctypes.c_ubyte),  # pbComputedHash : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbComputedHash : DWORD* optional, in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptHashMessage = Fiddle::Function.new(
  lib['CryptHashMessage'],
  [
    Fiddle::TYPE_VOIDP,  # pHashPara : CRYPT_HASH_MESSAGE_PARA*
    Fiddle::TYPE_INT,  # fDetachedHash : BOOL
    -Fiddle::TYPE_INT,  # cToBeHashed : DWORD
    Fiddle::TYPE_VOIDP,  # rgpbToBeHashed : BYTE**
    Fiddle::TYPE_VOIDP,  # rgcbToBeHashed : DWORD*
    Fiddle::TYPE_VOIDP,  # pbHashedBlob : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pcbHashedBlob : DWORD* optional, in/out
    Fiddle::TYPE_VOIDP,  # pbComputedHash : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pcbComputedHash : DWORD* optional, in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptHashMessage(
        pHashPara: *mut CRYPT_HASH_MESSAGE_PARA,  // CRYPT_HASH_MESSAGE_PARA*
        fDetachedHash: i32,  // BOOL
        cToBeHashed: u32,  // DWORD
        rgpbToBeHashed: *const *const u8,  // BYTE**
        rgcbToBeHashed: *mut u32,  // DWORD*
        pbHashedBlob: *mut u8,  // BYTE* optional, out
        pcbHashedBlob: *mut u32,  // DWORD* optional, in/out
        pbComputedHash: *mut u8,  // BYTE* optional, out
        pcbComputedHash: *mut u32  // DWORD* optional, in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true)]
public static extern bool CryptHashMessage(IntPtr pHashPara, bool fDetachedHash, uint cToBeHashed, IntPtr rgpbToBeHashed, ref uint rgcbToBeHashed, IntPtr pbHashedBlob, IntPtr pcbHashedBlob, IntPtr pbComputedHash, IntPtr pcbComputedHash);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptHashMessage' -Namespace Win32 -PassThru
# $api::CryptHashMessage(pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash)

#uselib "CRYPT32.dll"
#func global CryptHashMessage "CryptHashMessage" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CryptHashMessage varptr(pHashPara), fDetachedHash, cToBeHashed, varptr(rgpbToBeHashed), varptr(rgcbToBeHashed), varptr(pbHashedBlob), varptr(pcbHashedBlob), varptr(pbComputedHash), varptr(pcbComputedHash)   ; 戻り値は stat
; pHashPara : CRYPT_HASH_MESSAGE_PARA* -> "sptr"
; fDetachedHash : BOOL -> "sptr"
; cToBeHashed : DWORD -> "sptr"
; rgpbToBeHashed : BYTE** -> "sptr"
; rgcbToBeHashed : DWORD* -> "sptr"
; pbHashedBlob : BYTE* optional, out -> "sptr"
; pcbHashedBlob : DWORD* optional, in/out -> "sptr"
; pbComputedHash : BYTE* optional, out -> "sptr"
; pcbComputedHash : DWORD* optional, in/out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCryptHashMessage = crypt32.NewProc("CryptHashMessage")
)

// pHashPara (CRYPT_HASH_MESSAGE_PARA*), fDetachedHash (BOOL), cToBeHashed (DWORD), rgpbToBeHashed (BYTE**), rgcbToBeHashed (DWORD*), pbHashedBlob (BYTE* optional, out), pcbHashedBlob (DWORD* optional, in/out), pbComputedHash (BYTE* optional, out), pcbComputedHash (DWORD* optional, in/out)
r1, _, err := procCryptHashMessage.Call(
	uintptr(pHashPara),
	uintptr(fDetachedHash),
	uintptr(cToBeHashed),
	uintptr(rgpbToBeHashed),
	uintptr(rgcbToBeHashed),
	uintptr(pbHashedBlob),
	uintptr(pcbHashedBlob),
	uintptr(pbComputedHash),
	uintptr(pcbComputedHash),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptHashMessage(
  pHashPara: Pointer;   // CRYPT_HASH_MESSAGE_PARA*
  fDetachedHash: BOOL;   // BOOL
  cToBeHashed: DWORD;   // DWORD
  rgpbToBeHashed: Pointer;   // BYTE**
  rgcbToBeHashed: Pointer;   // DWORD*
  pbHashedBlob: Pointer;   // BYTE* optional, out
  pcbHashedBlob: Pointer;   // DWORD* optional, in/out
  pbComputedHash: Pointer;   // BYTE* optional, out
  pcbComputedHash: Pointer   // DWORD* optional, in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptHashMessage';

result := DllCall("CRYPT32\CryptHashMessage"
    , "Ptr", pHashPara   ; CRYPT_HASH_MESSAGE_PARA*
    , "Int", fDetachedHash   ; BOOL
    , "UInt", cToBeHashed   ; DWORD
    , "Ptr", rgpbToBeHashed   ; BYTE**
    , "Ptr", rgcbToBeHashed   ; DWORD*
    , "Ptr", pbHashedBlob   ; BYTE* optional, out
    , "Ptr", pcbHashedBlob   ; DWORD* optional, in/out
    , "Ptr", pbComputedHash   ; BYTE* optional, out
    , "Ptr", pcbComputedHash   ; DWORD* optional, in/out
    , "Int")   ; return: BOOL

●CryptHashMessage(pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash) = DLL("CRYPT32.dll", "bool CryptHashMessage(void*, bool, dword, void*, void*, void*, void*, void*, void*)")
# 呼び出し: CryptHashMessage(pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash)
# pHashPara : CRYPT_HASH_MESSAGE_PARA* -> "void*"
# fDetachedHash : BOOL -> "bool"
# cToBeHashed : DWORD -> "dword"
# rgpbToBeHashed : BYTE** -> "void*"
# rgcbToBeHashed : DWORD* -> "void*"
# pbHashedBlob : BYTE* optional, out -> "void*"
# pcbHashedBlob : DWORD* optional, in/out -> "void*"
# pbComputedHash : BYTE* optional, out -> "void*"
# pcbComputedHash : DWORD* optional, in/out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。

const std = @import("std");

extern "crypt32" fn CryptHashMessage(
    pHashPara: [*c]CRYPT_HASH_MESSAGE_PARA, // CRYPT_HASH_MESSAGE_PARA*
    fDetachedHash: i32, // BOOL
    cToBeHashed: u32, // DWORD
    rgpbToBeHashed: [*c][*c]u8, // BYTE**
    rgcbToBeHashed: [*c]u32, // DWORD*
    pbHashedBlob: [*c]u8, // BYTE* optional, out
    pcbHashedBlob: [*c]u32, // DWORD* optional, in/out
    pbComputedHash: [*c]u8, // BYTE* optional, out
    pcbComputedHash: [*c]u32 // DWORD* optional, in/out
) callconv(std.os.windows.WINAPI) i32;

proc CryptHashMessage(
    pHashPara: ptr CRYPT_HASH_MESSAGE_PARA,  # CRYPT_HASH_MESSAGE_PARA*
    fDetachedHash: int32,  # BOOL
    cToBeHashed: uint32,  # DWORD
    rgpbToBeHashed: ptr uint8,  # BYTE**
    rgcbToBeHashed: ptr uint32,  # DWORD*
    pbHashedBlob: ptr uint8,  # BYTE* optional, out
    pcbHashedBlob: ptr uint32,  # DWORD* optional, in/out
    pbComputedHash: ptr uint8,  # BYTE* optional, out
    pcbComputedHash: ptr uint32  # DWORD* optional, in/out
): int32 {.importc: "CryptHashMessage", stdcall, dynlib: "CRYPT32.dll".}

pragma(lib, "crypt32");
extern(Windows)
int CryptHashMessage(
    CRYPT_HASH_MESSAGE_PARA* pHashPara,   // CRYPT_HASH_MESSAGE_PARA*
    int fDetachedHash,   // BOOL
    uint cToBeHashed,   // DWORD
    ubyte** rgpbToBeHashed,   // BYTE**
    uint* rgcbToBeHashed,   // DWORD*
    ubyte* pbHashedBlob,   // BYTE* optional, out
    uint* pcbHashedBlob,   // DWORD* optional, in/out
    ubyte* pbComputedHash,   // BYTE* optional, out
    uint* pcbComputedHash   // DWORD* optional, in/out
);

ccall((:CryptHashMessage, "CRYPT32.dll"), stdcall, Int32,
      (Ptr{CRYPT_HASH_MESSAGE_PARA}, Int32, UInt32, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt32}, Ptr{UInt8}, Ptr{UInt32}),
      pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash)
# pHashPara : CRYPT_HASH_MESSAGE_PARA* -> Ptr{CRYPT_HASH_MESSAGE_PARA}
# fDetachedHash : BOOL -> Int32
# cToBeHashed : DWORD -> UInt32
# rgpbToBeHashed : BYTE** -> Ptr{UInt8}
# rgcbToBeHashed : DWORD* -> Ptr{UInt32}
# pbHashedBlob : BYTE* optional, out -> Ptr{UInt8}
# pcbHashedBlob : DWORD* optional, in/out -> Ptr{UInt32}
# pbComputedHash : BYTE* optional, out -> Ptr{UInt8}
# pcbComputedHash : DWORD* optional, in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t CryptHashMessage(
    void* pHashPara,
    int32_t fDetachedHash,
    uint32_t cToBeHashed,
    uint8_t** rgpbToBeHashed,
    uint32_t* rgcbToBeHashed,
    uint8_t* pbHashedBlob,
    uint32_t* pcbHashedBlob,
    uint8_t* pbComputedHash,
    uint32_t* pcbComputedHash);
]]
local crypt32 = ffi.load("crypt32")
-- crypt32.CryptHashMessage(pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash)
-- pHashPara : CRYPT_HASH_MESSAGE_PARA*
-- fDetachedHash : BOOL
-- cToBeHashed : DWORD
-- rgpbToBeHashed : BYTE**
-- rgcbToBeHashed : DWORD*
-- pbHashedBlob : BYTE* optional, out
-- pcbHashedBlob : DWORD* optional, in/out
-- pbComputedHash : BYTE* optional, out
-- pcbComputedHash : DWORD* optional, in/out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('CRYPT32.dll');
const CryptHashMessage = lib.func('__stdcall', 'CryptHashMessage', 'int32_t', ['void *', 'int32_t', 'uint32_t', 'uint8_t *', 'uint32_t *', 'uint8_t *', 'uint32_t *', 'uint8_t *', 'uint32_t *']);
// CryptHashMessage(pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash)
// pHashPara : CRYPT_HASH_MESSAGE_PARA* -> 'void *'
// fDetachedHash : BOOL -> 'int32_t'
// cToBeHashed : DWORD -> 'uint32_t'
// rgpbToBeHashed : BYTE** -> 'uint8_t *'
// rgcbToBeHashed : DWORD* -> 'uint32_t *'
// pbHashedBlob : BYTE* optional, out -> 'uint8_t *'
// pcbHashedBlob : DWORD* optional, in/out -> 'uint32_t *'
// pbComputedHash : BYTE* optional, out -> 'uint8_t *'
// pcbComputedHash : DWORD* optional, in/out -> 'uint32_t *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("CRYPT32.dll", {
  CryptHashMessage: { parameters: ["pointer", "i32", "u32", "pointer", "pointer", "pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.CryptHashMessage(pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash)
// pHashPara : CRYPT_HASH_MESSAGE_PARA* -> "pointer"
// fDetachedHash : BOOL -> "i32"
// cToBeHashed : DWORD -> "u32"
// rgpbToBeHashed : BYTE** -> "pointer"
// rgcbToBeHashed : DWORD* -> "pointer"
// pbHashedBlob : BYTE* optional, out -> "pointer"
// pcbHashedBlob : DWORD* optional, in/out -> "pointer"
// pbComputedHash : BYTE* optional, out -> "pointer"
// pcbComputedHash : DWORD* optional, in/out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t CryptHashMessage(
    void* pHashPara,
    int32_t fDetachedHash,
    uint32_t cToBeHashed,
    uint8_t** rgpbToBeHashed,
    uint32_t* rgcbToBeHashed,
    uint8_t* pbHashedBlob,
    uint32_t* pcbHashedBlob,
    uint8_t* pbComputedHash,
    uint32_t* pcbComputedHash);
C, "CRYPT32.dll");
// $ffi->CryptHashMessage(pHashPara, fDetachedHash, cToBeHashed, rgpbToBeHashed, rgcbToBeHashed, pbHashedBlob, pcbHashedBlob, pbComputedHash, pcbComputedHash);
// pHashPara : CRYPT_HASH_MESSAGE_PARA*
// fDetachedHash : BOOL
// cToBeHashed : DWORD
// rgpbToBeHashed : BYTE**
// rgcbToBeHashed : DWORD*
// pbHashedBlob : BYTE* optional, out
// pcbHashedBlob : DWORD* optional, in/out
// pbComputedHash : BYTE* optional, out
// pcbComputedHash : DWORD* optional, in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Crypt32 extends StdCallLibrary {
    Crypt32 INSTANCE = Native.load("crypt32", Crypt32.class);
    boolean CryptHashMessage(
        Pointer pHashPara,   // CRYPT_HASH_MESSAGE_PARA*
        boolean fDetachedHash,   // BOOL
        int cToBeHashed,   // DWORD
        Pointer rgpbToBeHashed,   // BYTE**
        IntByReference rgcbToBeHashed,   // DWORD*
        byte[] pbHashedBlob,   // BYTE* optional, out
        IntByReference pcbHashedBlob,   // DWORD* optional, in/out
        byte[] pbComputedHash,   // BYTE* optional, out
        IntByReference pcbComputedHash   // DWORD* optional, in/out
    );
}

@[Link("crypt32")]
lib LibCRYPT32
  fun CryptHashMessage = CryptHashMessage(
    pHashPara : CRYPT_HASH_MESSAGE_PARA*,   # CRYPT_HASH_MESSAGE_PARA*
    fDetachedHash : Int32,   # BOOL
    cToBeHashed : UInt32,   # DWORD
    rgpbToBeHashed : UInt8**,   # BYTE**
    rgcbToBeHashed : UInt32*,   # DWORD*
    pbHashedBlob : UInt8*,   # BYTE* optional, out
    pcbHashedBlob : UInt32*,   # DWORD* optional, in/out
    pbComputedHash : UInt8*,   # BYTE* optional, out
    pcbComputedHash : UInt32*   # DWORD* optional, in/out
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef CryptHashMessageNative = Int32 Function(Pointer<Void>, Int32, Uint32, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>);
typedef CryptHashMessageDart = int Function(Pointer<Void>, int, int, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>, Pointer<Uint8>, Pointer<Uint32>);
final CryptHashMessage = DynamicLibrary.open('CRYPT32.dll')
    .lookupFunction<CryptHashMessageNative, CryptHashMessageDart>('CryptHashMessage');
// pHashPara : CRYPT_HASH_MESSAGE_PARA* -> Pointer<Void>
// fDetachedHash : BOOL -> Int32
// cToBeHashed : DWORD -> Uint32
// rgpbToBeHashed : BYTE** -> Pointer<Uint8>
// rgcbToBeHashed : DWORD* -> Pointer<Uint32>
// pbHashedBlob : BYTE* optional, out -> Pointer<Uint8>
// pcbHashedBlob : DWORD* optional, in/out -> Pointer<Uint32>
// pbComputedHash : BYTE* optional, out -> Pointer<Uint8>
// pcbComputedHash : DWORD* optional, in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function CryptHashMessage(
  pHashPara: Pointer;   // CRYPT_HASH_MESSAGE_PARA*
  fDetachedHash: BOOL;   // BOOL
  cToBeHashed: DWORD;   // DWORD
  rgpbToBeHashed: Pointer;   // BYTE**
  rgcbToBeHashed: Pointer;   // DWORD*
  pbHashedBlob: Pointer;   // BYTE* optional, out
  pcbHashedBlob: Pointer;   // DWORD* optional, in/out
  pbComputedHash: Pointer;   // BYTE* optional, out
  pcbComputedHash: Pointer   // DWORD* optional, in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptHashMessage';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "CryptHashMessage"
  c_CryptHashMessage :: Ptr () -> CInt -> Word32 -> Ptr Word8 -> Ptr Word32 -> Ptr Word8 -> Ptr Word32 -> Ptr Word8 -> Ptr Word32 -> IO CInt
-- pHashPara : CRYPT_HASH_MESSAGE_PARA* -> Ptr ()
-- fDetachedHash : BOOL -> CInt
-- cToBeHashed : DWORD -> Word32
-- rgpbToBeHashed : BYTE** -> Ptr Word8
-- rgcbToBeHashed : DWORD* -> Ptr Word32
-- pbHashedBlob : BYTE* optional, out -> Ptr Word8
-- pcbHashedBlob : DWORD* optional, in/out -> Ptr Word32
-- pbComputedHash : BYTE* optional, out -> Ptr Word8
-- pcbComputedHash : DWORD* optional, in/out -> Ptr Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let crypthashmessage =
  foreign "CryptHashMessage"
    ((ptr void) @-> int32_t @-> uint32_t @-> (ptr uint8_t) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> (ptr uint32_t) @-> (ptr uint8_t) @-> (ptr uint32_t) @-> returning int32_t)
(* pHashPara : CRYPT_HASH_MESSAGE_PARA* -> (ptr void) *)
(* fDetachedHash : BOOL -> int32_t *)
(* cToBeHashed : DWORD -> uint32_t *)
(* rgpbToBeHashed : BYTE** -> (ptr uint8_t) *)
(* rgcbToBeHashed : DWORD* -> (ptr uint32_t) *)
(* pbHashedBlob : BYTE* optional, out -> (ptr uint8_t) *)
(* pcbHashedBlob : DWORD* optional, in/out -> (ptr uint32_t) *)
(* pbComputedHash : BYTE* optional, out -> (ptr uint8_t) *)
(* pcbComputedHash : DWORD* optional, in/out -> (ptr uint32_t) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library crypt32 (t "CRYPT32.dll"))
(cffi:use-foreign-library crypt32)

(cffi:defcfun ("CryptHashMessage" crypt-hash-message :convention :stdcall) :int32
  (p-hash-para :pointer)   ; CRYPT_HASH_MESSAGE_PARA*
  (f-detached-hash :int32)   ; BOOL
  (c-to-be-hashed :uint32)   ; DWORD
  (rgpb-to-be-hashed :pointer)   ; BYTE**
  (rgcb-to-be-hashed :pointer)   ; DWORD*
  (pb-hashed-blob :pointer)   ; BYTE* optional, out
  (pcb-hashed-blob :pointer)   ; DWORD* optional, in/out
  (pb-computed-hash :pointer)   ; BYTE* optional, out
  (pcb-computed-hash :pointer))   ; DWORD* optional, in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $CryptHashMessage = Win32::API::More->new('CRYPT32',
    'BOOL CryptHashMessage(LPVOID pHashPara, BOOL fDetachedHash, DWORD cToBeHashed, LPVOID rgpbToBeHashed, LPVOID rgcbToBeHashed, LPVOID pbHashedBlob, LPVOID pcbHashedBlob, LPVOID pbComputedHash, LPVOID pcbComputedHash)');
# my $ret = $CryptHashMessage->Call($pHashPara, $fDetachedHash, $cToBeHashed, $rgpbToBeHashed, $rgcbToBeHashed, $pbHashedBlob, $pcbHashedBlob, $pbComputedHash, $pcbComputedHash);
# pHashPara : CRYPT_HASH_MESSAGE_PARA* -> LPVOID
# fDetachedHash : BOOL -> BOOL
# cToBeHashed : DWORD -> DWORD
# rgpbToBeHashed : BYTE** -> LPVOID
# rgcbToBeHashed : DWORD* -> LPVOID
# pbHashedBlob : BYTE* optional, out -> LPVOID
# pcbHashedBlob : DWORD* optional, in/out -> LPVOID
# pbComputedHash : BYTE* optional, out -> LPVOID
# pcbComputedHash : DWORD* optional, in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。