ホーム › Security.Cryptography › SslGeneratePreMasterKey

SslGeneratePreMasterKey

関数

SSL公開鍵からプリマスター鍵を生成する。

DLLncrypt.dll呼出規約winapi

シグネチャ

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

HRESULT SslGeneratePreMasterKey(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hPublicKey,
    NCRYPT_KEY_HANDLE* phPreMasterKey,
    DWORD dwProtocol,
    DWORD dwCipherSuite,
    BCryptBufferDesc* pParameterList,
    BYTE* pbOutput,   // optional
    DWORD cbOutput,
    DWORD* pcbResult,
    DWORD dwFlags
);

パラメーター

名前	型	方向
hSslProvider	NCRYPT_PROV_HANDLE	in
hPublicKey	NCRYPT_KEY_HANDLE	in
phPreMasterKey	NCRYPT_KEY_HANDLE*	out
dwProtocol	DWORD	in
dwCipherSuite	DWORD	in
pParameterList	BCryptBufferDesc*	in
pbOutput	BYTE*	outoptional
cbOutput	DWORD	in
pcbResult	DWORD*	out
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 SslGeneratePreMasterKey(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hPublicKey,
    NCRYPT_KEY_HANDLE* phPreMasterKey,
    DWORD dwProtocol,
    DWORD dwCipherSuite,
    BCryptBufferDesc* pParameterList,
    BYTE* pbOutput,   // optional
    DWORD cbOutput,
    DWORD* pcbResult,
    DWORD dwFlags
);

[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int SslGeneratePreMasterKey(
    UIntPtr hSslProvider,   // NCRYPT_PROV_HANDLE
    UIntPtr hPublicKey,   // NCRYPT_KEY_HANDLE
    out UIntPtr phPreMasterKey,   // NCRYPT_KEY_HANDLE* out
    uint dwProtocol,   // DWORD
    uint dwCipherSuite,   // DWORD
    IntPtr pParameterList,   // BCryptBufferDesc*
    IntPtr pbOutput,   // BYTE* optional, out
    uint cbOutput,   // DWORD
    out uint pcbResult,   // DWORD* out
    uint dwFlags   // DWORD
);

<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslGeneratePreMasterKey(
    hSslProvider As UIntPtr,   ' NCRYPT_PROV_HANDLE
    hPublicKey As UIntPtr,   ' NCRYPT_KEY_HANDLE
    <Out> ByRef phPreMasterKey As UIntPtr,   ' NCRYPT_KEY_HANDLE* out
    dwProtocol As UInteger,   ' DWORD
    dwCipherSuite As UInteger,   ' DWORD
    pParameterList As IntPtr,   ' BCryptBufferDesc*
    pbOutput As IntPtr,   ' BYTE* optional, out
    cbOutput As UInteger,   ' DWORD
    <Out> ByRef pcbResult As UInteger,   ' DWORD* out
    dwFlags As UInteger   ' DWORD
) As Integer
End Function

' hSslProvider : NCRYPT_PROV_HANDLE
' hPublicKey : NCRYPT_KEY_HANDLE
' phPreMasterKey : NCRYPT_KEY_HANDLE* out
' dwProtocol : DWORD
' dwCipherSuite : DWORD
' pParameterList : BCryptBufferDesc*
' pbOutput : BYTE* optional, out
' cbOutput : DWORD
' pcbResult : DWORD* out
' dwFlags : DWORD
Declare PtrSafe Function SslGeneratePreMasterKey Lib "ncrypt" ( _
    ByVal hSslProvider As LongPtr, _
    ByVal hPublicKey As LongPtr, _
    ByRef phPreMasterKey As LongPtr, _
    ByVal dwProtocol As Long, _
    ByVal dwCipherSuite As Long, _
    ByVal pParameterList As LongPtr, _
    ByVal pbOutput As LongPtr, _
    ByVal cbOutput As Long, _
    ByRef pcbResult 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

SslGeneratePreMasterKey = ctypes.windll.ncrypt.SslGeneratePreMasterKey
SslGeneratePreMasterKey.restype = ctypes.c_int
SslGeneratePreMasterKey.argtypes = [
    ctypes.c_size_t,  # hSslProvider : NCRYPT_PROV_HANDLE
    ctypes.c_size_t,  # hPublicKey : NCRYPT_KEY_HANDLE
    ctypes.c_void_p,  # phPreMasterKey : NCRYPT_KEY_HANDLE* out
    wintypes.DWORD,  # dwProtocol : DWORD
    wintypes.DWORD,  # dwCipherSuite : DWORD
    ctypes.c_void_p,  # pParameterList : BCryptBufferDesc*
    ctypes.POINTER(ctypes.c_ubyte),  # pbOutput : BYTE* optional, out
    wintypes.DWORD,  # cbOutput : DWORD
    ctypes.POINTER(wintypes.DWORD),  # pcbResult : DWORD* out
    wintypes.DWORD,  # dwFlags : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('ncrypt.dll')
SslGeneratePreMasterKey = Fiddle::Function.new(
  lib['SslGeneratePreMasterKey'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hSslProvider : NCRYPT_PROV_HANDLE
    Fiddle::TYPE_UINTPTR_T,  # hPublicKey : NCRYPT_KEY_HANDLE
    Fiddle::TYPE_VOIDP,  # phPreMasterKey : NCRYPT_KEY_HANDLE* out
    -Fiddle::TYPE_INT,  # dwProtocol : DWORD
    -Fiddle::TYPE_INT,  # dwCipherSuite : DWORD
    Fiddle::TYPE_VOIDP,  # pParameterList : BCryptBufferDesc*
    Fiddle::TYPE_VOIDP,  # pbOutput : BYTE* optional, out
    -Fiddle::TYPE_INT,  # cbOutput : DWORD
    Fiddle::TYPE_VOIDP,  # pcbResult : DWORD* out
    -Fiddle::TYPE_INT,  # dwFlags : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "ncrypt")]
extern "system" {
    fn SslGeneratePreMasterKey(
        hSslProvider: usize,  // NCRYPT_PROV_HANDLE
        hPublicKey: usize,  // NCRYPT_KEY_HANDLE
        phPreMasterKey: *mut usize,  // NCRYPT_KEY_HANDLE* out
        dwProtocol: u32,  // DWORD
        dwCipherSuite: u32,  // DWORD
        pParameterList: *mut BCryptBufferDesc,  // BCryptBufferDesc*
        pbOutput: *mut u8,  // BYTE* optional, out
        cbOutput: u32,  // DWORD
        pcbResult: *mut u32,  // DWORD* out
        dwFlags: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("ncrypt.dll")]
public static extern int SslGeneratePreMasterKey(UIntPtr hSslProvider, UIntPtr hPublicKey, out UIntPtr phPreMasterKey, uint dwProtocol, uint dwCipherSuite, IntPtr pParameterList, IntPtr pbOutput, uint cbOutput, out uint pcbResult, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslGeneratePreMasterKey' -Namespace Win32 -PassThru
# $api::SslGeneratePreMasterKey(hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, pParameterList, pbOutput, cbOutput, pcbResult, dwFlags)

#uselib "ncrypt.dll"
#func global SslGeneratePreMasterKey "SslGeneratePreMasterKey" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SslGeneratePreMasterKey hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, varptr(pParameterList), varptr(pbOutput), cbOutput, varptr(pcbResult), dwFlags   ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "sptr"
; phPreMasterKey : NCRYPT_KEY_HANDLE* out -> "sptr"
; dwProtocol : DWORD -> "sptr"
; dwCipherSuite : DWORD -> "sptr"
; pParameterList : BCryptBufferDesc* -> "sptr"
; pbOutput : BYTE* optional, out -> "sptr"
; cbOutput : DWORD -> "sptr"
; pcbResult : DWORD* out -> "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 SslGeneratePreMasterKey "SslGeneratePreMasterKey" sptr, sptr, int, int, int, var, var, int, var, int
; res = SslGeneratePreMasterKey(hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, pParameterList, pbOutput, cbOutput, pcbResult, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "sptr"
; phPreMasterKey : NCRYPT_KEY_HANDLE* out -> "int"
; dwProtocol : DWORD -> "int"
; dwCipherSuite : DWORD -> "int"
; pParameterList : BCryptBufferDesc* -> "var"
; pbOutput : BYTE* optional, out -> "var"
; cbOutput : DWORD -> "int"
; pcbResult : DWORD* out -> "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 SslGeneratePreMasterKey "SslGeneratePreMasterKey" sptr, sptr, int, int, int, sptr, sptr, int, sptr, int
; res = SslGeneratePreMasterKey(hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, varptr(pParameterList), varptr(pbOutput), cbOutput, varptr(pcbResult), dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "sptr"
; phPreMasterKey : NCRYPT_KEY_HANDLE* out -> "int"
; dwProtocol : DWORD -> "int"
; dwCipherSuite : DWORD -> "int"
; pParameterList : BCryptBufferDesc* -> "sptr"
; pbOutput : BYTE* optional, out -> "sptr"
; cbOutput : DWORD -> "int"
; pcbResult : DWORD* out -> "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 SslGeneratePreMasterKey(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hPublicKey, NCRYPT_KEY_HANDLE* phPreMasterKey, DWORD dwProtocol, DWORD dwCipherSuite, BCryptBufferDesc* pParameterList, BYTE* pbOutput, DWORD cbOutput, DWORD* pcbResult, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslGeneratePreMasterKey "SslGeneratePreMasterKey" intptr, intptr, int, int, int, var, var, int, var, int
; res = SslGeneratePreMasterKey(hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, pParameterList, pbOutput, cbOutput, pcbResult, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "intptr"
; phPreMasterKey : NCRYPT_KEY_HANDLE* out -> "int"
; dwProtocol : DWORD -> "int"
; dwCipherSuite : DWORD -> "int"
; pParameterList : BCryptBufferDesc* -> "var"
; pbOutput : BYTE* optional, out -> "var"
; cbOutput : DWORD -> "int"
; pcbResult : DWORD* out -> "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 SslGeneratePreMasterKey(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hPublicKey, NCRYPT_KEY_HANDLE* phPreMasterKey, DWORD dwProtocol, DWORD dwCipherSuite, BCryptBufferDesc* pParameterList, BYTE* pbOutput, DWORD cbOutput, DWORD* pcbResult, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslGeneratePreMasterKey "SslGeneratePreMasterKey" intptr, intptr, int, int, int, intptr, intptr, int, intptr, int
; res = SslGeneratePreMasterKey(hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, varptr(pParameterList), varptr(pbOutput), cbOutput, varptr(pcbResult), dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hPublicKey : NCRYPT_KEY_HANDLE -> "intptr"
; phPreMasterKey : NCRYPT_KEY_HANDLE* out -> "int"
; dwProtocol : DWORD -> "int"
; dwCipherSuite : DWORD -> "int"
; pParameterList : BCryptBufferDesc* -> "intptr"
; pbOutput : BYTE* optional, out -> "intptr"
; cbOutput : DWORD -> "int"
; pcbResult : DWORD* out -> "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")
	procSslGeneratePreMasterKey = ncrypt.NewProc("SslGeneratePreMasterKey")
)

// hSslProvider (NCRYPT_PROV_HANDLE), hPublicKey (NCRYPT_KEY_HANDLE), phPreMasterKey (NCRYPT_KEY_HANDLE* out), dwProtocol (DWORD), dwCipherSuite (DWORD), pParameterList (BCryptBufferDesc*), pbOutput (BYTE* optional, out), cbOutput (DWORD), pcbResult (DWORD* out), dwFlags (DWORD)
r1, _, err := procSslGeneratePreMasterKey.Call(
	uintptr(hSslProvider),
	uintptr(hPublicKey),
	uintptr(phPreMasterKey),
	uintptr(dwProtocol),
	uintptr(dwCipherSuite),
	uintptr(pParameterList),
	uintptr(pbOutput),
	uintptr(cbOutput),
	uintptr(pcbResult),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT

function SslGeneratePreMasterKey(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  hPublicKey: NativeUInt;   // NCRYPT_KEY_HANDLE
  phPreMasterKey: Pointer;   // NCRYPT_KEY_HANDLE* out
  dwProtocol: DWORD;   // DWORD
  dwCipherSuite: DWORD;   // DWORD
  pParameterList: Pointer;   // BCryptBufferDesc*
  pbOutput: Pointer;   // BYTE* optional, out
  cbOutput: DWORD;   // DWORD
  pcbResult: Pointer;   // DWORD* out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslGeneratePreMasterKey';

result := DllCall("ncrypt\SslGeneratePreMasterKey"
    , "UPtr", hSslProvider   ; NCRYPT_PROV_HANDLE
    , "UPtr", hPublicKey   ; NCRYPT_KEY_HANDLE
    , "Ptr", phPreMasterKey   ; NCRYPT_KEY_HANDLE* out
    , "UInt", dwProtocol   ; DWORD
    , "UInt", dwCipherSuite   ; DWORD
    , "Ptr", pParameterList   ; BCryptBufferDesc*
    , "Ptr", pbOutput   ; BYTE* optional, out
    , "UInt", cbOutput   ; DWORD
    , "Ptr", pcbResult   ; DWORD* out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT

●SslGeneratePreMasterKey(hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, pParameterList, pbOutput, cbOutput, pcbResult, dwFlags) = DLL("ncrypt.dll", "int SslGeneratePreMasterKey(int, int, void*, dword, dword, void*, void*, dword, void*, dword)")
# 呼び出し: SslGeneratePreMasterKey(hSslProvider, hPublicKey, phPreMasterKey, dwProtocol, dwCipherSuite, pParameterList, pbOutput, cbOutput, pcbResult, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# hPublicKey : NCRYPT_KEY_HANDLE -> "int"
# phPreMasterKey : NCRYPT_KEY_HANDLE* out -> "void*"
# dwProtocol : DWORD -> "dword"
# dwCipherSuite : DWORD -> "dword"
# pParameterList : BCryptBufferDesc* -> "void*"
# pbOutput : BYTE* optional, out -> "void*"
# cbOutput : DWORD -> "dword"
# pcbResult : DWORD* out -> "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)。