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SslGenerateSessionKeys

関数

SSLマスター鍵から読み書き用セッション鍵を生成する。

DLLncrypt.dll呼出規約winapi

シグネチャ

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

HRESULT SslGenerateSessionKeys(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hMasterKey,
    NCRYPT_KEY_HANDLE* phReadKey,
    NCRYPT_KEY_HANDLE* phWriteKey,
    BCryptBufferDesc* pParameterList,
    DWORD dwFlags
);

パラメーター

名前	型	方向
hSslProvider	NCRYPT_PROV_HANDLE	in
hMasterKey	NCRYPT_KEY_HANDLE	in
phReadKey	NCRYPT_KEY_HANDLE*	out
phWriteKey	NCRYPT_KEY_HANDLE*	out
pParameterList	BCryptBufferDesc*	in
dwFlags	DWORD	in

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT SslGenerateSessionKeys(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hMasterKey,
    NCRYPT_KEY_HANDLE* phReadKey,
    NCRYPT_KEY_HANDLE* phWriteKey,
    BCryptBufferDesc* pParameterList,
    DWORD dwFlags
);

[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int SslGenerateSessionKeys(
    UIntPtr hSslProvider,   // NCRYPT_PROV_HANDLE
    UIntPtr hMasterKey,   // NCRYPT_KEY_HANDLE
    out UIntPtr phReadKey,   // NCRYPT_KEY_HANDLE* out
    out UIntPtr phWriteKey,   // NCRYPT_KEY_HANDLE* out
    IntPtr pParameterList,   // BCryptBufferDesc*
    uint dwFlags   // DWORD
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslGenerateSessionKeys(
    hSslProvider As UIntPtr,   ' NCRYPT_PROV_HANDLE
    hMasterKey As UIntPtr,   ' NCRYPT_KEY_HANDLE
    <Out> ByRef phReadKey As UIntPtr,   ' NCRYPT_KEY_HANDLE* out
    <Out> ByRef phWriteKey As UIntPtr,   ' NCRYPT_KEY_HANDLE* out
    pParameterList As IntPtr,   ' BCryptBufferDesc*
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hSslProvider : NCRYPT_PROV_HANDLE
' hMasterKey : NCRYPT_KEY_HANDLE
' phReadKey : NCRYPT_KEY_HANDLE* out
' phWriteKey : NCRYPT_KEY_HANDLE* out
' pParameterList : BCryptBufferDesc*
' dwFlags : DWORD
Declare PtrSafe Function SslGenerateSessionKeys Lib "ncrypt" ( _
    ByVal hSslProvider As LongPtr, _
    ByVal hMasterKey As LongPtr, _
    ByRef phReadKey As LongPtr, _
    ByRef phWriteKey As LongPtr, _
    ByVal pParameterList As LongPtr, _
    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

SslGenerateSessionKeys = ctypes.windll.ncrypt.SslGenerateSessionKeys
SslGenerateSessionKeys.restype = ctypes.c_int
SslGenerateSessionKeys.argtypes = [
    ctypes.c_size_t,  # hSslProvider : NCRYPT_PROV_HANDLE
    ctypes.c_size_t,  # hMasterKey : NCRYPT_KEY_HANDLE
    ctypes.c_void_p,  # phReadKey : NCRYPT_KEY_HANDLE* out
    ctypes.c_void_p,  # phWriteKey : NCRYPT_KEY_HANDLE* out
    ctypes.c_void_p,  # pParameterList : BCryptBufferDesc*
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
SslGenerateSessionKeys = Fiddle::Function.new(
  lib['SslGenerateSessionKeys'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hSslProvider : NCRYPT_PROV_HANDLE
    Fiddle::TYPE_UINTPTR_T,  # hMasterKey : NCRYPT_KEY_HANDLE
    Fiddle::TYPE_VOIDP,  # phReadKey : NCRYPT_KEY_HANDLE* out
    Fiddle::TYPE_VOIDP,  # phWriteKey : NCRYPT_KEY_HANDLE* out
    Fiddle::TYPE_VOIDP,  # pParameterList : BCryptBufferDesc*
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn SslGenerateSessionKeys(
        hSslProvider: usize,  // NCRYPT_PROV_HANDLE
        hMasterKey: usize,  // NCRYPT_KEY_HANDLE
        phReadKey: *mut usize,  // NCRYPT_KEY_HANDLE* out
        phWriteKey: *mut usize,  // NCRYPT_KEY_HANDLE* out
        pParameterList: *mut BCryptBufferDesc,  // BCryptBufferDesc*
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ncrypt.dll")]
public static extern int SslGenerateSessionKeys(UIntPtr hSslProvider, UIntPtr hMasterKey, out UIntPtr phReadKey, out UIntPtr phWriteKey, IntPtr pParameterList, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslGenerateSessionKeys' -Namespace Win32 -PassThru
# $api::SslGenerateSessionKeys(hSslProvider, hMasterKey, phReadKey, phWriteKey, pParameterList, dwFlags)

#uselib "ncrypt.dll"
#func global SslGenerateSessionKeys "SslGenerateSessionKeys" sptr, sptr, sptr, sptr, sptr, sptr
; SslGenerateSessionKeys hSslProvider, hMasterKey, phReadKey, phWriteKey, varptr(pParameterList), dwFlags   ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "sptr"
; phReadKey : NCRYPT_KEY_HANDLE* out -> "sptr"
; phWriteKey : NCRYPT_KEY_HANDLE* out -> "sptr"
; pParameterList : BCryptBufferDesc* -> "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。

出力引数:

#uselib "ncrypt.dll"
#cfunc global SslGenerateSessionKeys "SslGenerateSessionKeys" sptr, sptr, int, int, var, int
; res = SslGenerateSessionKeys(hSslProvider, hMasterKey, phReadKey, phWriteKey, pParameterList, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "sptr"
; phReadKey : NCRYPT_KEY_HANDLE* out -> "int"
; phWriteKey : NCRYPT_KEY_HANDLE* out -> "int"
; pParameterList : BCryptBufferDesc* -> "var"
; 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。#uselib "ncrypt.dll"
#cfunc global SslGenerateSessionKeys "SslGenerateSessionKeys" sptr, sptr, int, int, sptr, int
; res = SslGenerateSessionKeys(hSslProvider, hMasterKey, phReadKey, phWriteKey, varptr(pParameterList), dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "sptr"
; phReadKey : NCRYPT_KEY_HANDLE* out -> "int"
; phWriteKey : NCRYPT_KEY_HANDLE* out -> "int"
; pParameterList : BCryptBufferDesc* -> "sptr"
; dwFlags : DWORD -> "int"
; ※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 SslGenerateSessionKeys(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hMasterKey, NCRYPT_KEY_HANDLE* phReadKey, NCRYPT_KEY_HANDLE* phWriteKey, BCryptBufferDesc* pParameterList, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslGenerateSessionKeys "SslGenerateSessionKeys" intptr, intptr, int, int, var, int
; res = SslGenerateSessionKeys(hSslProvider, hMasterKey, phReadKey, phWriteKey, pParameterList, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "intptr"
; phReadKey : NCRYPT_KEY_HANDLE* out -> "int"
; phWriteKey : NCRYPT_KEY_HANDLE* out -> "int"
; pParameterList : BCryptBufferDesc* -> "var"
; 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 SslGenerateSessionKeys(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hMasterKey, NCRYPT_KEY_HANDLE* phReadKey, NCRYPT_KEY_HANDLE* phWriteKey, BCryptBufferDesc* pParameterList, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslGenerateSessionKeys "SslGenerateSessionKeys" intptr, intptr, int, int, intptr, int
; res = SslGenerateSessionKeys(hSslProvider, hMasterKey, phReadKey, phWriteKey, varptr(pParameterList), dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "intptr"
; phReadKey : NCRYPT_KEY_HANDLE* out -> "int"
; phWriteKey : NCRYPT_KEY_HANDLE* out -> "int"
; pParameterList : BCryptBufferDesc* -> "intptr"
; dwFlags : DWORD -> "int"
; ※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 (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procSslGenerateSessionKeys = ncrypt.NewProc("SslGenerateSessionKeys")
)

// hSslProvider (NCRYPT_PROV_HANDLE), hMasterKey (NCRYPT_KEY_HANDLE), phReadKey (NCRYPT_KEY_HANDLE* out), phWriteKey (NCRYPT_KEY_HANDLE* out), pParameterList (BCryptBufferDesc*), dwFlags (DWORD)
r1, _, err := procSslGenerateSessionKeys.Call(
	uintptr(hSslProvider),
	uintptr(hMasterKey),
	uintptr(phReadKey),
	uintptr(phWriteKey),
	uintptr(pParameterList),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SslGenerateSessionKeys(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  hMasterKey: NativeUInt;   // NCRYPT_KEY_HANDLE
  phReadKey: Pointer;   // NCRYPT_KEY_HANDLE* out
  phWriteKey: Pointer;   // NCRYPT_KEY_HANDLE* out
  pParameterList: Pointer;   // BCryptBufferDesc*
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslGenerateSessionKeys';

result := DllCall("ncrypt\SslGenerateSessionKeys"
    , "UPtr", hSslProvider   ; NCRYPT_PROV_HANDLE
    , "UPtr", hMasterKey   ; NCRYPT_KEY_HANDLE
    , "Ptr", phReadKey   ; NCRYPT_KEY_HANDLE* out
    , "Ptr", phWriteKey   ; NCRYPT_KEY_HANDLE* out
    , "Ptr", pParameterList   ; BCryptBufferDesc*
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●SslGenerateSessionKeys(hSslProvider, hMasterKey, phReadKey, phWriteKey, pParameterList, dwFlags) = DLL("ncrypt.dll", "int SslGenerateSessionKeys(int, int, void*, void*, void*, dword)")
# 呼び出し: SslGenerateSessionKeys(hSslProvider, hMasterKey, phReadKey, phWriteKey, pParameterList, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# hMasterKey : NCRYPT_KEY_HANDLE -> "int"
# phReadKey : NCRYPT_KEY_HANDLE* out -> "void*"
# phWriteKey : NCRYPT_KEY_HANDLE* out -> "void*"
# pParameterList : BCryptBufferDesc* -> "void*"
# 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)。