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ホームSecurity.Cryptography › SslComputeEapKeyBlock

SslComputeEapKeyBlock

関数
SSLマスター鍵からEAP用の鍵ブロックを計算する。
DLLncrypt.dll呼出規約winapi

シグネチャ

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

HRESULT SslComputeEapKeyBlock(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hMasterKey,
    BYTE* pbRandoms,
    DWORD cbRandoms,
    BYTE* pbOutput,   // optional
    DWORD cbOutput,
    DWORD* pcbResult,
    DWORD dwFlags
);

パラメーター

名前方向
hSslProviderNCRYPT_PROV_HANDLEin
hMasterKeyNCRYPT_KEY_HANDLEin
pbRandomsBYTE*in
cbRandomsDWORDin
pbOutputBYTE*outoptional
cbOutputDWORDin
pcbResultDWORD*out
dwFlagsDWORDin

戻り値の型: HRESULT

各言語での呼び出し定義

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

HRESULT SslComputeEapKeyBlock(
    NCRYPT_PROV_HANDLE hSslProvider,
    NCRYPT_KEY_HANDLE hMasterKey,
    BYTE* pbRandoms,
    DWORD cbRandoms,
    BYTE* pbOutput,   // optional
    DWORD cbOutput,
    DWORD* pcbResult,
    DWORD dwFlags
);
[DllImport("ncrypt.dll", ExactSpelling = true)]
static extern int SslComputeEapKeyBlock(
    UIntPtr hSslProvider,   // NCRYPT_PROV_HANDLE
    UIntPtr hMasterKey,   // NCRYPT_KEY_HANDLE
    IntPtr pbRandoms,   // BYTE*
    uint cbRandoms,   // DWORD
    IntPtr pbOutput,   // BYTE* optional, out
    uint cbOutput,   // DWORD
    out uint pcbResult,   // DWORD* out
    uint dwFlags   // DWORD
);
<DllImport("ncrypt.dll", ExactSpelling:=True)>
Public Shared Function SslComputeEapKeyBlock(
    hSslProvider As UIntPtr,   ' NCRYPT_PROV_HANDLE
    hMasterKey As UIntPtr,   ' NCRYPT_KEY_HANDLE
    pbRandoms As IntPtr,   ' BYTE*
    cbRandoms As UInteger,   ' DWORD
    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
' hMasterKey : NCRYPT_KEY_HANDLE
' pbRandoms : BYTE*
' cbRandoms : DWORD
' pbOutput : BYTE* optional, out
' cbOutput : DWORD
' pcbResult : DWORD* out
' dwFlags : DWORD
Declare PtrSafe Function SslComputeEapKeyBlock Lib "ncrypt" ( _
    ByVal hSslProvider As LongPtr, _
    ByVal hMasterKey As LongPtr, _
    ByVal pbRandoms As LongPtr, _
    ByVal cbRandoms As Long, _
    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

SslComputeEapKeyBlock = ctypes.windll.ncrypt.SslComputeEapKeyBlock
SslComputeEapKeyBlock.restype = ctypes.c_int
SslComputeEapKeyBlock.argtypes = [
    ctypes.c_size_t,  # hSslProvider : NCRYPT_PROV_HANDLE
    ctypes.c_size_t,  # hMasterKey : NCRYPT_KEY_HANDLE
    ctypes.POINTER(ctypes.c_ubyte),  # pbRandoms : BYTE*
    wintypes.DWORD,  # cbRandoms : DWORD
    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')
SslComputeEapKeyBlock = Fiddle::Function.new(
  lib['SslComputeEapKeyBlock'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hSslProvider : NCRYPT_PROV_HANDLE
    Fiddle::TYPE_UINTPTR_T,  # hMasterKey : NCRYPT_KEY_HANDLE
    Fiddle::TYPE_VOIDP,  # pbRandoms : BYTE*
    -Fiddle::TYPE_INT,  # cbRandoms : DWORD
    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 SslComputeEapKeyBlock(
        hSslProvider: usize,  // NCRYPT_PROV_HANDLE
        hMasterKey: usize,  // NCRYPT_KEY_HANDLE
        pbRandoms: *mut u8,  // BYTE*
        cbRandoms: u32,  // DWORD
        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 SslComputeEapKeyBlock(UIntPtr hSslProvider, UIntPtr hMasterKey, IntPtr pbRandoms, uint cbRandoms, IntPtr pbOutput, uint cbOutput, out uint pcbResult, uint dwFlags);
"@
$api = Add-Type -MemberDefinition $sig -Name 'ncrypt_SslComputeEapKeyBlock' -Namespace Win32 -PassThru
# $api::SslComputeEapKeyBlock(hSslProvider, hMasterKey, pbRandoms, cbRandoms, pbOutput, cbOutput, pcbResult, dwFlags)
#uselib "ncrypt.dll"
#func global SslComputeEapKeyBlock "SslComputeEapKeyBlock" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; SslComputeEapKeyBlock hSslProvider, hMasterKey, varptr(pbRandoms), cbRandoms, varptr(pbOutput), cbOutput, varptr(pcbResult), dwFlags   ; 戻り値は stat
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "sptr"
; pbRandoms : BYTE* -> "sptr"
; cbRandoms : DWORD -> "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 SslComputeEapKeyBlock "SslComputeEapKeyBlock" sptr, sptr, var, int, var, int, var, int
; res = SslComputeEapKeyBlock(hSslProvider, hMasterKey, pbRandoms, cbRandoms, pbOutput, cbOutput, pcbResult, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "sptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "sptr"
; pbRandoms : BYTE* -> "var"
; cbRandoms : DWORD -> "int"
; 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。
出力引数:
; HRESULT SslComputeEapKeyBlock(NCRYPT_PROV_HANDLE hSslProvider, NCRYPT_KEY_HANDLE hMasterKey, BYTE* pbRandoms, DWORD cbRandoms, BYTE* pbOutput, DWORD cbOutput, DWORD* pcbResult, DWORD dwFlags)
#uselib "ncrypt.dll"
#cfunc global SslComputeEapKeyBlock "SslComputeEapKeyBlock" intptr, intptr, var, int, var, int, var, int
; res = SslComputeEapKeyBlock(hSslProvider, hMasterKey, pbRandoms, cbRandoms, pbOutput, cbOutput, pcbResult, dwFlags)
; hSslProvider : NCRYPT_PROV_HANDLE -> "intptr"
; hMasterKey : NCRYPT_KEY_HANDLE -> "intptr"
; pbRandoms : BYTE* -> "var"
; cbRandoms : DWORD -> "int"
; 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。
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	ncrypt = windows.NewLazySystemDLL("ncrypt.dll")
	procSslComputeEapKeyBlock = ncrypt.NewProc("SslComputeEapKeyBlock")
)

// hSslProvider (NCRYPT_PROV_HANDLE), hMasterKey (NCRYPT_KEY_HANDLE), pbRandoms (BYTE*), cbRandoms (DWORD), pbOutput (BYTE* optional, out), cbOutput (DWORD), pcbResult (DWORD* out), dwFlags (DWORD)
r1, _, err := procSslComputeEapKeyBlock.Call(
	uintptr(hSslProvider),
	uintptr(hMasterKey),
	uintptr(pbRandoms),
	uintptr(cbRandoms),
	uintptr(pbOutput),
	uintptr(cbOutput),
	uintptr(pcbResult),
	uintptr(dwFlags),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HRESULT
function SslComputeEapKeyBlock(
  hSslProvider: NativeUInt;   // NCRYPT_PROV_HANDLE
  hMasterKey: NativeUInt;   // NCRYPT_KEY_HANDLE
  pbRandoms: Pointer;   // BYTE*
  cbRandoms: DWORD;   // DWORD
  pbOutput: Pointer;   // BYTE* optional, out
  cbOutput: DWORD;   // DWORD
  pcbResult: Pointer;   // DWORD* out
  dwFlags: DWORD   // DWORD
): Integer; stdcall;
  external 'ncrypt.dll' name 'SslComputeEapKeyBlock';
result := DllCall("ncrypt\SslComputeEapKeyBlock"
    , "UPtr", hSslProvider   ; NCRYPT_PROV_HANDLE
    , "UPtr", hMasterKey   ; NCRYPT_KEY_HANDLE
    , "Ptr", pbRandoms   ; BYTE*
    , "UInt", cbRandoms   ; DWORD
    , "Ptr", pbOutput   ; BYTE* optional, out
    , "UInt", cbOutput   ; DWORD
    , "Ptr", pcbResult   ; DWORD* out
    , "UInt", dwFlags   ; DWORD
    , "Int")   ; return: HRESULT
●SslComputeEapKeyBlock(hSslProvider, hMasterKey, pbRandoms, cbRandoms, pbOutput, cbOutput, pcbResult, dwFlags) = DLL("ncrypt.dll", "int SslComputeEapKeyBlock(int, int, void*, dword, void*, dword, void*, dword)")
# 呼び出し: SslComputeEapKeyBlock(hSslProvider, hMasterKey, pbRandoms, cbRandoms, pbOutput, cbOutput, pcbResult, dwFlags)
# hSslProvider : NCRYPT_PROV_HANDLE -> "int"
# hMasterKey : NCRYPT_KEY_HANDLE -> "int"
# pbRandoms : BYTE* -> "void*"
# cbRandoms : DWORD -> "dword"
# 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)。