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GenerateDerivedKey

関数

ラベルとノンスから派生鍵を生成する。

DLLinfocardapi.dll呼出規約winapi

シグネチャ

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

HRESULT GenerateDerivedKey(
    INFORMATIONCARD_CRYPTO_HANDLE* hCrypto,
    DWORD cbLabel,
    BYTE* pLabel,
    DWORD cbNonce,
    BYTE* pNonce,
    DWORD derivedKeyLength,
    DWORD offset,
    LPCWSTR algId,
    DWORD* pcbKey,
    BYTE** ppKey
);

パラメーター

名前	型	方向
hCrypto	INFORMATIONCARD_CRYPTO_HANDLE*	in
cbLabel	DWORD	in
pLabel	BYTE*	in
cbNonce	DWORD	in
pNonce	BYTE*	in
derivedKeyLength	DWORD	in
offset	DWORD	in
algId	LPCWSTR	in
pcbKey	DWORD*	out
ppKey	BYTE**	out

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT GenerateDerivedKey(
    INFORMATIONCARD_CRYPTO_HANDLE* hCrypto,
    DWORD cbLabel,
    BYTE* pLabel,
    DWORD cbNonce,
    BYTE* pNonce,
    DWORD derivedKeyLength,
    DWORD offset,
    LPCWSTR algId,
    DWORD* pcbKey,
    BYTE** ppKey
);

[DllImport("infocardapi.dll", ExactSpelling = true)]
static extern int GenerateDerivedKey(
    IntPtr hCrypto,   // INFORMATIONCARD_CRYPTO_HANDLE*
    uint cbLabel,   // DWORD
    IntPtr pLabel,   // BYTE*
    uint cbNonce,   // DWORD
    IntPtr pNonce,   // BYTE*
    uint derivedKeyLength,   // DWORD
    uint offset,   // DWORD
    [MarshalAs(UnmanagedType.LPWStr)] string algId,   // LPCWSTR
    out uint pcbKey,   // DWORD* out
    IntPtr ppKey   // BYTE** out
);

<DllImport("infocardapi.dll", ExactSpelling:=True)>
Public Shared Function GenerateDerivedKey(
    hCrypto As IntPtr,   ' INFORMATIONCARD_CRYPTO_HANDLE*
    cbLabel As UInteger,   ' DWORD
    pLabel As IntPtr,   ' BYTE*
    cbNonce As UInteger,   ' DWORD
    pNonce As IntPtr,   ' BYTE*
    derivedKeyLength As UInteger,   ' DWORD
    offset As UInteger,   ' DWORD
    <MarshalAs(UnmanagedType.LPWStr)> algId As String,   ' LPCWSTR
    <Out> ByRef pcbKey As UInteger,   ' DWORD* out
    ppKey As IntPtr   ' BYTE** out
) As Integer
End Function

' hCrypto : INFORMATIONCARD_CRYPTO_HANDLE*
' cbLabel : DWORD
' pLabel : BYTE*
' cbNonce : DWORD
' pNonce : BYTE*
' derivedKeyLength : DWORD
' offset : DWORD
' algId : LPCWSTR
' pcbKey : DWORD* out
' ppKey : BYTE** out
Declare PtrSafe Function GenerateDerivedKey Lib "infocardapi" ( _
    ByVal hCrypto As LongPtr, _
    ByVal cbLabel As Long, _
    ByVal pLabel As LongPtr, _
    ByVal cbNonce As Long, _
    ByVal pNonce As LongPtr, _
    ByVal derivedKeyLength As Long, _
    ByVal offset As Long, _
    ByVal algId As LongPtr, _
    ByRef pcbKey As Long, _
    ByVal ppKey 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

GenerateDerivedKey = ctypes.windll.infocardapi.GenerateDerivedKey
GenerateDerivedKey.restype = ctypes.c_int
GenerateDerivedKey.argtypes = [
    ctypes.c_void_p,  # hCrypto : INFORMATIONCARD_CRYPTO_HANDLE*
    wintypes.DWORD,  # cbLabel : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pLabel : BYTE*
    wintypes.DWORD,  # cbNonce : DWORD
    ctypes.POINTER(ctypes.c_ubyte),  # pNonce : BYTE*
    wintypes.DWORD,  # derivedKeyLength : DWORD
    wintypes.DWORD,  # offset : DWORD
    wintypes.LPCWSTR,  # algId : LPCWSTR
    ctypes.POINTER(wintypes.DWORD),  # pcbKey : DWORD* out
    ctypes.c_void_p,  # ppKey : BYTE** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('infocardapi.dll')
GenerateDerivedKey = Fiddle::Function.new(
  lib['GenerateDerivedKey'],
  [
    Fiddle::TYPE_VOIDP,  # hCrypto : INFORMATIONCARD_CRYPTO_HANDLE*
    -Fiddle::TYPE_INT,  # cbLabel : DWORD
    Fiddle::TYPE_VOIDP,  # pLabel : BYTE*
    -Fiddle::TYPE_INT,  # cbNonce : DWORD
    Fiddle::TYPE_VOIDP,  # pNonce : BYTE*
    -Fiddle::TYPE_INT,  # derivedKeyLength : DWORD
    -Fiddle::TYPE_INT,  # offset : DWORD
    Fiddle::TYPE_VOIDP,  # algId : LPCWSTR
    Fiddle::TYPE_VOIDP,  # pcbKey : DWORD* out
    Fiddle::TYPE_VOIDP,  # ppKey : BYTE** out
  ],
  Fiddle::TYPE_INT)

#[link(name = "infocardapi")]
extern "system" {
    fn GenerateDerivedKey(
        hCrypto: *mut INFORMATIONCARD_CRYPTO_HANDLE,  // INFORMATIONCARD_CRYPTO_HANDLE*
        cbLabel: u32,  // DWORD
        pLabel: *mut u8,  // BYTE*
        cbNonce: u32,  // DWORD
        pNonce: *mut u8,  // BYTE*
        derivedKeyLength: u32,  // DWORD
        offset: u32,  // DWORD
        algId: *const u16,  // LPCWSTR
        pcbKey: *mut u32,  // DWORD* out
        ppKey: *mut *mut u8  // BYTE** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("infocardapi.dll")]
public static extern int GenerateDerivedKey(IntPtr hCrypto, uint cbLabel, IntPtr pLabel, uint cbNonce, IntPtr pNonce, uint derivedKeyLength, uint offset, [MarshalAs(UnmanagedType.LPWStr)] string algId, out uint pcbKey, IntPtr ppKey);
"@
$api = Add-Type -MemberDefinition $sig -Name 'infocardapi_GenerateDerivedKey' -Namespace Win32 -PassThru
# $api::GenerateDerivedKey(hCrypto, cbLabel, pLabel, cbNonce, pNonce, derivedKeyLength, offset, algId, pcbKey, ppKey)

#uselib "infocardapi.dll"
#func global GenerateDerivedKey "GenerateDerivedKey" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; GenerateDerivedKey varptr(hCrypto), cbLabel, varptr(pLabel), cbNonce, varptr(pNonce), derivedKeyLength, offset, algId, varptr(pcbKey), varptr(ppKey)   ; 戻り値は stat
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "sptr"
; cbLabel : DWORD -> "sptr"
; pLabel : BYTE* -> "sptr"
; cbNonce : DWORD -> "sptr"
; pNonce : BYTE* -> "sptr"
; derivedKeyLength : DWORD -> "sptr"
; offset : DWORD -> "sptr"
; algId : LPCWSTR -> "sptr"
; pcbKey : DWORD* out -> "sptr"
; ppKey : BYTE** 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 "infocardapi.dll"
#cfunc global GenerateDerivedKey "GenerateDerivedKey" var, int, var, int, var, int, int, wstr, var, var
; res = GenerateDerivedKey(hCrypto, cbLabel, pLabel, cbNonce, pNonce, derivedKeyLength, offset, algId, pcbKey, ppKey)
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "var"
; cbLabel : DWORD -> "int"
; pLabel : BYTE* -> "var"
; cbNonce : DWORD -> "int"
; pNonce : BYTE* -> "var"
; derivedKeyLength : DWORD -> "int"
; offset : DWORD -> "int"
; algId : LPCWSTR -> "wstr"
; pcbKey : DWORD* out -> "var"
; ppKey : BYTE** 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 "infocardapi.dll"
#cfunc global GenerateDerivedKey "GenerateDerivedKey" sptr, int, sptr, int, sptr, int, int, wstr, sptr, sptr
; res = GenerateDerivedKey(varptr(hCrypto), cbLabel, varptr(pLabel), cbNonce, varptr(pNonce), derivedKeyLength, offset, algId, varptr(pcbKey), varptr(ppKey))
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "sptr"
; cbLabel : DWORD -> "int"
; pLabel : BYTE* -> "sptr"
; cbNonce : DWORD -> "int"
; pNonce : BYTE* -> "sptr"
; derivedKeyLength : DWORD -> "int"
; offset : DWORD -> "int"
; algId : LPCWSTR -> "wstr"
; pcbKey : DWORD* out -> "sptr"
; ppKey : BYTE** 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:

; HRESULT GenerateDerivedKey(INFORMATIONCARD_CRYPTO_HANDLE* hCrypto, DWORD cbLabel, BYTE* pLabel, DWORD cbNonce, BYTE* pNonce, DWORD derivedKeyLength, DWORD offset, LPCWSTR algId, DWORD* pcbKey, BYTE** ppKey)
#uselib "infocardapi.dll"
#cfunc global GenerateDerivedKey "GenerateDerivedKey" var, int, var, int, var, int, int, wstr, var, var
; res = GenerateDerivedKey(hCrypto, cbLabel, pLabel, cbNonce, pNonce, derivedKeyLength, offset, algId, pcbKey, ppKey)
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "var"
; cbLabel : DWORD -> "int"
; pLabel : BYTE* -> "var"
; cbNonce : DWORD -> "int"
; pNonce : BYTE* -> "var"
; derivedKeyLength : DWORD -> "int"
; offset : DWORD -> "int"
; algId : LPCWSTR -> "wstr"
; pcbKey : DWORD* out -> "var"
; ppKey : BYTE** 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。; HRESULT GenerateDerivedKey(INFORMATIONCARD_CRYPTO_HANDLE* hCrypto, DWORD cbLabel, BYTE* pLabel, DWORD cbNonce, BYTE* pNonce, DWORD derivedKeyLength, DWORD offset, LPCWSTR algId, DWORD* pcbKey, BYTE** ppKey)
#uselib "infocardapi.dll"
#cfunc global GenerateDerivedKey "GenerateDerivedKey" intptr, int, intptr, int, intptr, int, int, wstr, intptr, intptr
; res = GenerateDerivedKey(varptr(hCrypto), cbLabel, varptr(pLabel), cbNonce, varptr(pNonce), derivedKeyLength, offset, algId, varptr(pcbKey), varptr(ppKey))
; hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "intptr"
; cbLabel : DWORD -> "int"
; pLabel : BYTE* -> "intptr"
; cbNonce : DWORD -> "int"
; pNonce : BYTE* -> "intptr"
; derivedKeyLength : DWORD -> "int"
; offset : DWORD -> "int"
; algId : LPCWSTR -> "wstr"
; pcbKey : DWORD* out -> "intptr"
; ppKey : BYTE** 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 (
	infocardapi = windows.NewLazySystemDLL("infocardapi.dll")
	procGenerateDerivedKey = infocardapi.NewProc("GenerateDerivedKey")
)

// hCrypto (INFORMATIONCARD_CRYPTO_HANDLE*), cbLabel (DWORD), pLabel (BYTE*), cbNonce (DWORD), pNonce (BYTE*), derivedKeyLength (DWORD), offset (DWORD), algId (LPCWSTR), pcbKey (DWORD* out), ppKey (BYTE** out)
r1, _, err := procGenerateDerivedKey.Call(
	uintptr(hCrypto),
	uintptr(cbLabel),
	uintptr(pLabel),
	uintptr(cbNonce),
	uintptr(pNonce),
	uintptr(derivedKeyLength),
	uintptr(offset),
	uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(algId))),
	uintptr(pcbKey),
	uintptr(ppKey),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function GenerateDerivedKey(
  hCrypto: Pointer;   // INFORMATIONCARD_CRYPTO_HANDLE*
  cbLabel: DWORD;   // DWORD
  pLabel: Pointer;   // BYTE*
  cbNonce: DWORD;   // DWORD
  pNonce: Pointer;   // BYTE*
  derivedKeyLength: DWORD;   // DWORD
  offset: DWORD;   // DWORD
  algId: PWideChar;   // LPCWSTR
  pcbKey: Pointer;   // DWORD* out
  ppKey: Pointer   // BYTE** out
): Integer; stdcall;
  external 'infocardapi.dll' name 'GenerateDerivedKey';

result := DllCall("infocardapi\GenerateDerivedKey"
    , "Ptr", hCrypto   ; INFORMATIONCARD_CRYPTO_HANDLE*
    , "UInt", cbLabel   ; DWORD
    , "Ptr", pLabel   ; BYTE*
    , "UInt", cbNonce   ; DWORD
    , "Ptr", pNonce   ; BYTE*
    , "UInt", derivedKeyLength   ; DWORD
    , "UInt", offset   ; DWORD
    , "WStr", algId   ; LPCWSTR
    , "Ptr", pcbKey   ; DWORD* out
    , "Ptr", ppKey   ; BYTE** out
    , "Int")   ; return: HRESULT

●GenerateDerivedKey(hCrypto, cbLabel, pLabel, cbNonce, pNonce, derivedKeyLength, offset, algId, pcbKey, ppKey) = DLL("infocardapi.dll", "int GenerateDerivedKey(void*, dword, void*, dword, void*, dword, dword, char*, void*, void*)")
# 呼び出し: GenerateDerivedKey(hCrypto, cbLabel, pLabel, cbNonce, pNonce, derivedKeyLength, offset, algId, pcbKey, ppKey)
# hCrypto : INFORMATIONCARD_CRYPTO_HANDLE* -> "void*"
# cbLabel : DWORD -> "dword"
# pLabel : BYTE* -> "void*"
# cbNonce : DWORD -> "dword"
# pNonce : BYTE* -> "void*"
# derivedKeyLength : DWORD -> "dword"
# offset : DWORD -> "dword"
# algId : LPCWSTR -> "char*"
# pcbKey : DWORD* out -> "void*"
# ppKey : BYTE** 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)。