SslVerifySignature

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

HRESULT SslVerifySignature(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hPublicKey,
    BYTE* pbHashValue,
    DWORD cbHashValue,
    BYTE* pbSignature,
    DWORD cbSignature,
    DWORD dwFlags
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslVerifySignature(
    hSslProvider As UIntPtr,   ' NCRYPT_PROV_HANDLE
    hPublicKey As UIntPtr,   ' NCRYPT_KEY_HANDLE
    pbHashValue As IntPtr,   ' BYTE*
    cbHashValue As UInteger,   ' DWORD
    pbSignature As IntPtr,   ' BYTE*
    cbSignature As UInteger,   ' DWORD
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hSslProvider : NCRYPT_PROV_HANDLE
' hPublicKey : NCRYPT_KEY_HANDLE
' pbHashValue : BYTE*
' cbHashValue : DWORD
' pbSignature : BYTE*
' cbSignature : DWORD
' dwFlags : DWORD
Declare PtrSafe Function SslVerifySignature Lib "ncrypt" ( _
    ByVal hSslProvider As LongPtr, _
    ByVal hPublicKey As LongPtr, _
    ByVal pbHashValue As LongPtr, _
    ByVal cbHashValue As Long, _
    ByVal pbSignature As LongPtr, _
    ByVal cbSignature As Long, _
    ByVal dwFlags As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

SslVerifySignature = ctypes.windll.ncrypt.SslVerifySignature
SslVerifySignature.restype = ctypes.c_int
SslVerifySignature.argtypes = [
    ctypes.c_size_t,  # hSslProvider : NCRYPT_PROV_HANDLE
    ctypes.c_size_t,  # hPublicKey : NCRYPT_KEY_HANDLE
    ctypes.POINTER(ctypes.c_ubyte),  # pbHashValue : BYTE*
    wintypes.DWORD,  # cbHashValue : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pbSignature : BYTE*
    wintypes.DWORD,  # cbSignature : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
SslVerifySignature = Fiddle::Function.new(
  lib['SslVerifySignature'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hSslProvider : NCRYPT_PROV_HANDLE
    Fiddle::TYPE_UINTPTR_T,  # hPublicKey : NCRYPT_KEY_HANDLE
    Fiddle::TYPE_VOIDP,  # pbHashValue : BYTE*
    -Fiddle::TYPE_INT,  # cbHashValue : DWORD
    Fiddle::TYPE_VOIDP,  # pbSignature : BYTE*
    -Fiddle::TYPE_INT,  # cbSignature : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn SslVerifySignature(
        hSslProvider: usize,  // NCRYPT_PROV_HANDLE
        hPublicKey: usize,  // NCRYPT_KEY_HANDLE
        pbHashValue: *mut u8,  // BYTE*
        cbHashValue: u32,  // DWORD
        pbSignature: *mut u8,  // BYTE*
        cbSignature: u32,  // DWORD
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ncrypt.dll")]
public static extern int SslVerifySignature(UIntPtr hSslProvider, UIntPtr hPublicKey, IntPtr pbHashValue, uint cbHashValue, IntPtr pbSignature, uint cbSignature, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslVerifySignature' -Namespace Win32 -PassThru
# $api::SslVerifySignature(hSslProvider, hPublicKey, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags)

#uselib "ncrypt.dll"
#func global SslVerifySignature "SslVerifySignature" sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SslVerifySignature hSslProvider, hPublicKey, varptr(pbHashValue), cbHashValue, varptr(pbSignature), cbSignature, dwFlags   ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "sptr"
; pbHashValue : BYTE* -> "sptr"
; cbHashValue : DWORD -> "sptr"
; pbSignature : BYTE* -> "sptr"
; cbSignature : DWORD -> "sptr"
; dwFlags : DWORD -> "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。

#uselib "ncrypt.dll"
#cfunc global SslVerifySignature "SslVerifySignature" sptr, sptr, var, int, var, int, int
; res = SslVerifySignature(hSslProvider, hPublicKey, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "sptr"
; pbHashValue : BYTE* -> "var"
; cbHashValue : DWORD -> "int"
; pbSignature : BYTE* -> "var"
; cbSignature : DWORD -> "int"
; dwFlags : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; HRESULT SslVerifySignature(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hPublicKey, BYTE* pbHashValue, DWORD cbHashValue, BYTE* pbSignature, DWORD cbSignature, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslVerifySignature "SslVerifySignature" intptr, intptr, var, int, var, int, int
; res = SslVerifySignature(hSslProvider, hPublicKey, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "intptr"
; pbHashValue : BYTE* -> "var"
; cbHashValue : DWORD -> "int"
; pbSignature : BYTE* -> "var"
; cbSignature : DWORD -> "int"
; dwFlags : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

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

var (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procSslVerifySignature = ncrypt.NewProc("SslVerifySignature")
)

// hSslProvider (NCRYPT_PROV_HANDLE), hPublicKey (NCRYPT_KEY_HANDLE), pbHashValue (BYTE*), cbHashValue (DWORD), pbSignature (BYTE*), cbSignature (DWORD), dwFlags (DWORD)
r1, _, err := procSslVerifySignature.Call(
	uintptr(hSslProvider),
	uintptr(hPublicKey),
	uintptr(pbHashValue),
	uintptr(cbHashValue),
	uintptr(pbSignature),
	uintptr(cbSignature),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SslVerifySignature(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  hPublicKey: NativeUInt;   // NCRYPT_KEY_HANDLE
  pbHashValue: Pointer;   // BYTE*
  cbHashValue: DWORD;   // DWORD
  pbSignature: Pointer;   // BYTE*
  cbSignature: DWORD;   // DWORD
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslVerifySignature';

result := DllCall("ncrypt\SslVerifySignature"
    , "UPtr", hSslProvider   ; NCRYPT_PROV_HANDLE
    , "UPtr", hPublicKey   ; NCRYPT_KEY_HANDLE
    , "Ptr", pbHashValue   ; BYTE*
    , "UInt", cbHashValue   ; DWORD
    , "Ptr", pbSignature   ; BYTE*
    , "UInt", cbSignature   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●SslVerifySignature(hSslProvider, hPublicKey, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags) = DLL("ncrypt.dll", "int SslVerifySignature(int, int, void*, dword, void*, dword, dword)")
# 呼び出し: SslVerifySignature(hSslProvider, hPublicKey, pbHashValue, cbHashValue, pbSignature, cbSignature, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# hPublicKey : NCRYPT_KEY_HANDLE -> "int"
# pbHashValue : BYTE* -> "void*"
# cbHashValue : DWORD -> "dword"
# pbSignature : BYTE* -> "void*"
# cbSignature : DWORD -> "dword"
# dwFlags : DWORD -> "dword"
# 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)。