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CryptCreateKeyIdentifierFromCSP

関数

CSP公開鍵構造から鍵識別子ハッシュを生成する。

DLLCRYPT32.dll呼出規約winapiSetLastErrorあり対応OSWindows XP 以降

シグネチャ

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

BOOL CryptCreateKeyIdentifierFromCSP(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    LPCSTR pszPubKeyOID,   // optional
    const PUBLICKEYSTRUC* pPubKeyStruc,
    DWORD cbPubKeyStruc,
    DWORD dwFlags,
    void* pvReserved,   // optional
    BYTE* pbHash,   // optional
    DWORD* pcbHash
);

パラメーター

名前	型	方向
dwCertEncodingType	CERT_QUERY_ENCODING_TYPE	in
pszPubKeyOID	LPCSTR	inoptional
pPubKeyStruc	PUBLICKEYSTRUC*	in
cbPubKeyStruc	DWORD	in
dwFlags	DWORD	in
pvReserved	void*	optional
pbHash	BYTE*	outoptional
pcbHash	DWORD*	inout

戻り値の型: BOOL

各言語での呼び出し定義

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

BOOL CryptCreateKeyIdentifierFromCSP(
    CERT_QUERY_ENCODING_TYPE dwCertEncodingType,
    LPCSTR pszPubKeyOID,   // optional
    const PUBLICKEYSTRUC* pPubKeyStruc,
    DWORD cbPubKeyStruc,
    DWORD dwFlags,
    void* pvReserved,   // optional
    BYTE* pbHash,   // optional
    DWORD* pcbHash
);

[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("CRYPT32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool CryptCreateKeyIdentifierFromCSP(
    uint dwCertEncodingType,   // CERT_QUERY_ENCODING_TYPE
    [MarshalAs(UnmanagedType.LPStr)] string pszPubKeyOID,   // LPCSTR optional
    IntPtr pPubKeyStruc,   // PUBLICKEYSTRUC*
    uint cbPubKeyStruc,   // DWORD
    uint dwFlags,   // DWORD
    IntPtr pvReserved,   // void* optional
    IntPtr pbHash,   // BYTE* optional, out
    ref uint pcbHash   // DWORD* in/out
);

<DllImport("CRYPT32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CryptCreateKeyIdentifierFromCSP(
    dwCertEncodingType As UInteger,   ' CERT_QUERY_ENCODING_TYPE
    <MarshalAs(UnmanagedType.LPStr)> pszPubKeyOID As String,   ' LPCSTR optional
    pPubKeyStruc As IntPtr,   ' PUBLICKEYSTRUC*
    cbPubKeyStruc As UInteger,   ' DWORD
    dwFlags As UInteger,   ' DWORD
    pvReserved As IntPtr,   ' void* optional
    pbHash As IntPtr,   ' BYTE* optional, out
    ByRef pcbHash As UInteger   ' DWORD* in/out
) As Boolean
End Function

' dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
' pszPubKeyOID : LPCSTR optional
' pPubKeyStruc : PUBLICKEYSTRUC*
' cbPubKeyStruc : DWORD
' dwFlags : DWORD
' pvReserved : void* optional
' pbHash : BYTE* optional, out
' pcbHash : DWORD* in/out
Declare PtrSafe Function CryptCreateKeyIdentifierFromCSP Lib "crypt32" ( _
    ByVal dwCertEncodingType As Long, _
    ByVal pszPubKeyOID As String, _
    ByVal pPubKeyStruc As LongPtr, _
    ByVal cbPubKeyStruc As Long, _
    ByVal dwFlags As Long, _
    ByVal pvReserved As LongPtr, _
    ByVal pbHash As LongPtr, _
    ByRef pcbHash 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

CryptCreateKeyIdentifierFromCSP = ctypes.windll.crypt32.CryptCreateKeyIdentifierFromCSP
CryptCreateKeyIdentifierFromCSP.restype = wintypes.BOOL
CryptCreateKeyIdentifierFromCSP.argtypes = [
    wintypes.DWORD,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    wintypes.LPCSTR,  # pszPubKeyOID : LPCSTR optional
    ctypes.c_void_p,  # pPubKeyStruc : PUBLICKEYSTRUC*
    wintypes.DWORD,  # cbPubKeyStruc : DWORD
    wintypes.DWORD,  # dwFlags : DWORD
    ctypes.POINTER(None),  # pvReserved : void* optional
    ctypes.POINTER(ctypes.c_ubyte),  # pbHash : BYTE* optional, out
    ctypes.POINTER(wintypes.DWORD),  # pcbHash : DWORD* in/out
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CryptCreateKeyIdentifierFromCSP = Fiddle::Function.new(
  lib['CryptCreateKeyIdentifierFromCSP'],
  [
    -Fiddle::TYPE_INT,  # dwCertEncodingType : CERT_QUERY_ENCODING_TYPE
    Fiddle::TYPE_VOIDP,  # pszPubKeyOID : LPCSTR optional
    Fiddle::TYPE_VOIDP,  # pPubKeyStruc : PUBLICKEYSTRUC*
    -Fiddle::TYPE_INT,  # cbPubKeyStruc : DWORD
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
    Fiddle::TYPE_VOIDP,  # pvReserved : void* optional
    Fiddle::TYPE_VOIDP,  # pbHash : BYTE* optional, out
    Fiddle::TYPE_VOIDP,  # pcbHash : DWORD* in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "crypt32")]
extern "system" {
    fn CryptCreateKeyIdentifierFromCSP(
        dwCertEncodingType: u32,  // CERT_QUERY_ENCODING_TYPE
        pszPubKeyOID: *const u8,  // LPCSTR optional
        pPubKeyStruc: *const PUBLICKEYSTRUC,  // PUBLICKEYSTRUC*
        cbPubKeyStruc: u32,  // DWORD
        dwFlags: u32,  // DWORD
        pvReserved: *mut (),  // void* optional
        pbHash: *mut u8,  // BYTE* optional, out
        pcbHash: *mut u32  // DWORD* 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 CryptCreateKeyIdentifierFromCSP(uint dwCertEncodingType, [MarshalAs(UnmanagedType.LPStr)] string pszPubKeyOID, IntPtr pPubKeyStruc, uint cbPubKeyStruc, uint dwFlags, IntPtr pvReserved, IntPtr pbHash, ref uint pcbHash);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CryptCreateKeyIdentifierFromCSP' -Namespace Win32 -PassThru
# $api::CryptCreateKeyIdentifierFromCSP(dwCertEncodingType, pszPubKeyOID, pPubKeyStruc, cbPubKeyStruc, dwFlags, pvReserved, pbHash, pcbHash)

#uselib "CRYPT32.dll"
#func global CryptCreateKeyIdentifierFromCSP "CryptCreateKeyIdentifierFromCSP" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; CryptCreateKeyIdentifierFromCSP dwCertEncodingType, pszPubKeyOID, varptr(pPubKeyStruc), cbPubKeyStruc, dwFlags, pvReserved, varptr(pbHash), varptr(pcbHash)   ; 戻り値は stat
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "sptr"
; pszPubKeyOID : LPCSTR optional -> "sptr"
; pPubKeyStruc : PUBLICKEYSTRUC* -> "sptr"
; cbPubKeyStruc : DWORD -> "sptr"
; dwFlags : DWORD -> "sptr"
; pvReserved : void* optional -> "sptr"
; pbHash : BYTE* optional, out -> "sptr"
; pcbHash : DWORD* 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。

出力引数:

#uselib "CRYPT32.dll"
#cfunc global CryptCreateKeyIdentifierFromCSP "CryptCreateKeyIdentifierFromCSP" int, str, var, int, int, sptr, var, var
; res = CryptCreateKeyIdentifierFromCSP(dwCertEncodingType, pszPubKeyOID, pPubKeyStruc, cbPubKeyStruc, dwFlags, pvReserved, pbHash, pcbHash)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszPubKeyOID : LPCSTR optional -> "str"
; pPubKeyStruc : PUBLICKEYSTRUC* -> "var"
; cbPubKeyStruc : DWORD -> "int"
; dwFlags : DWORD -> "int"
; pvReserved : void* optional -> "sptr"
; pbHash : BYTE* optional, out -> "var"
; pcbHash : DWORD* in/out -> "var"
; ※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。#uselib "CRYPT32.dll"
#cfunc global CryptCreateKeyIdentifierFromCSP "CryptCreateKeyIdentifierFromCSP" int, str, sptr, int, int, sptr, sptr, sptr
; res = CryptCreateKeyIdentifierFromCSP(dwCertEncodingType, pszPubKeyOID, varptr(pPubKeyStruc), cbPubKeyStruc, dwFlags, pvReserved, varptr(pbHash), varptr(pcbHash))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszPubKeyOID : LPCSTR optional -> "str"
; pPubKeyStruc : PUBLICKEYSTRUC* -> "sptr"
; cbPubKeyStruc : DWORD -> "int"
; dwFlags : DWORD -> "int"
; pvReserved : void* optional -> "sptr"
; pbHash : BYTE* optional, out -> "sptr"
; pcbHash : DWORD* in/out -> "sptr"
; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。

出力引数:

; BOOL CryptCreateKeyIdentifierFromCSP(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPCSTR pszPubKeyOID, PUBLICKEYSTRUC* pPubKeyStruc, DWORD cbPubKeyStruc, DWORD dwFlags, void* pvReserved, BYTE* pbHash, DWORD* pcbHash)
#uselib "CRYPT32.dll"
#cfunc global CryptCreateKeyIdentifierFromCSP "CryptCreateKeyIdentifierFromCSP" int, str, var, int, int, intptr, var, var
; res = CryptCreateKeyIdentifierFromCSP(dwCertEncodingType, pszPubKeyOID, pPubKeyStruc, cbPubKeyStruc, dwFlags, pvReserved, pbHash, pcbHash)
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszPubKeyOID : LPCSTR optional -> "str"
; pPubKeyStruc : PUBLICKEYSTRUC* -> "var"
; cbPubKeyStruc : DWORD -> "int"
; dwFlags : DWORD -> "int"
; pvReserved : void* optional -> "intptr"
; pbHash : BYTE* optional, out -> "var"
; pcbHash : DWORD* in/out -> "var"
; ※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。; BOOL CryptCreateKeyIdentifierFromCSP(CERT_QUERY_ENCODING_TYPE dwCertEncodingType, LPCSTR pszPubKeyOID, PUBLICKEYSTRUC* pPubKeyStruc, DWORD cbPubKeyStruc, DWORD dwFlags, void* pvReserved, BYTE* pbHash, DWORD* pcbHash)
#uselib "CRYPT32.dll"
#cfunc global CryptCreateKeyIdentifierFromCSP "CryptCreateKeyIdentifierFromCSP" int, str, intptr, int, int, intptr, intptr, intptr
; res = CryptCreateKeyIdentifierFromCSP(dwCertEncodingType, pszPubKeyOID, varptr(pPubKeyStruc), cbPubKeyStruc, dwFlags, pvReserved, varptr(pbHash), varptr(pcbHash))
; dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "int"
; pszPubKeyOID : LPCSTR optional -> "str"
; pPubKeyStruc : PUBLICKEYSTRUC* -> "intptr"
; cbPubKeyStruc : DWORD -> "int"
; dwFlags : DWORD -> "int"
; pvReserved : void* optional -> "intptr"
; pbHash : BYTE* optional, out -> "intptr"
; pcbHash : DWORD* in/out -> "intptr"
; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。

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

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCryptCreateKeyIdentifierFromCSP = crypt32.NewProc("CryptCreateKeyIdentifierFromCSP")
)

// dwCertEncodingType (CERT_QUERY_ENCODING_TYPE), pszPubKeyOID (LPCSTR optional), pPubKeyStruc (PUBLICKEYSTRUC*), cbPubKeyStruc (DWORD), dwFlags (DWORD), pvReserved (void* optional), pbHash (BYTE* optional, out), pcbHash (DWORD* in/out)
r1, _, err := procCryptCreateKeyIdentifierFromCSP.Call(
	uintptr(dwCertEncodingType),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(pszPubKeyOID))),
	uintptr(pPubKeyStruc),
	uintptr(cbPubKeyStruc),
	uintptr(dwFlags),
	uintptr(pvReserved),
	uintptr(pbHash),
	uintptr(pcbHash),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // BOOL

function CryptCreateKeyIdentifierFromCSP(
  dwCertEncodingType: DWORD;   // CERT_QUERY_ENCODING_TYPE
  pszPubKeyOID: PAnsiChar;   // LPCSTR optional
  pPubKeyStruc: Pointer;   // PUBLICKEYSTRUC*
  cbPubKeyStruc: DWORD;   // DWORD
  dwFlags: DWORD;   // DWORD
  pvReserved: Pointer;   // void* optional
  pbHash: Pointer;   // BYTE* optional, out
  pcbHash: Pointer   // DWORD* in/out
): BOOL; stdcall;
  external 'CRYPT32.dll' name 'CryptCreateKeyIdentifierFromCSP';

result := DllCall("CRYPT32\CryptCreateKeyIdentifierFromCSP"
    , "UInt", dwCertEncodingType   ; CERT_QUERY_ENCODING_TYPE
    , "AStr", pszPubKeyOID   ; LPCSTR optional
    , "Ptr", pPubKeyStruc   ; PUBLICKEYSTRUC*
    , "UInt", cbPubKeyStruc   ; DWORD
    , "UInt", dwFlags   ; DWORD
    , "Ptr", pvReserved   ; void* optional
    , "Ptr", pbHash   ; BYTE* optional, out
    , "Ptr", pcbHash   ; DWORD* in/out
    , "Int")   ; return: BOOL

●CryptCreateKeyIdentifierFromCSP(dwCertEncodingType, pszPubKeyOID, pPubKeyStruc, cbPubKeyStruc, dwFlags, pvReserved, pbHash, pcbHash) = DLL("CRYPT32.dll", "bool CryptCreateKeyIdentifierFromCSP(dword, char*, void*, dword, dword, void*, void*, void*)")
# 呼び出し: CryptCreateKeyIdentifierFromCSP(dwCertEncodingType, pszPubKeyOID, pPubKeyStruc, cbPubKeyStruc, dwFlags, pvReserved, pbHash, pcbHash)
# dwCertEncodingType : CERT_QUERY_ENCODING_TYPE -> "dword"
# pszPubKeyOID : LPCSTR optional -> "char*"
# pPubKeyStruc : PUBLICKEYSTRUC* -> "void*"
# cbPubKeyStruc : DWORD -> "dword"
# dwFlags : DWORD -> "dword"
# pvReserved : void* optional -> "void*"
# pbHash : BYTE* optional, out -> "void*"
# pcbHash : DWORD* 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)。