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InternetAlgIdToStringA
関数暗号アルゴリズムIDを文字列名に変換する(ANSI版)。
シグネチャ
// WININET.dll (ANSI / -A)
#include <windows.h>
BOOL InternetAlgIdToStringA(
ALG_ID ai,
LPSTR lpstr,
DWORD* lpdwstrLength,
DWORD dwReserved // optional
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| ai | ALG_ID | in | 文字列化する暗号アルゴリズム識別子(ALG_ID)。 |
| lpstr | LPSTR | out | アルゴリズム名の文字列を受け取るANSIバッファ。 |
| lpdwstrLength | DWORD* | inout | lpstrバッファのサイズ(文字数)を入出力するポインター。 |
| dwReserved | DWORD | optional | 将来の拡張用の予約引数。0を指定する。 |
戻り値の型: BOOL
各言語での呼び出し定義
// WININET.dll (ANSI / -A)
#include <windows.h>
BOOL InternetAlgIdToStringA(
ALG_ID ai,
LPSTR lpstr,
DWORD* lpdwstrLength,
DWORD dwReserved // optional
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi, ExactSpelling = true)]
static extern bool InternetAlgIdToStringA(
uint ai, // ALG_ID
[MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpstr, // LPSTR out
ref uint lpdwstrLength, // DWORD* in/out
uint dwReserved // DWORD optional
);<DllImport("WININET.dll", CharSet:=CharSet.Ansi, ExactSpelling:=True)>
Public Shared Function InternetAlgIdToStringA(
ai As UInteger, ' ALG_ID
<MarshalAs(UnmanagedType.LPStr)> lpstr As System.Text.StringBuilder, ' LPSTR out
ByRef lpdwstrLength As UInteger, ' DWORD* in/out
dwReserved As UInteger ' DWORD optional
) As <MarshalAs(UnmanagedType.Bool)> Boolean
End Function' ai : ALG_ID
' lpstr : LPSTR out
' lpdwstrLength : DWORD* in/out
' dwReserved : DWORD optional
Declare PtrSafe Function InternetAlgIdToStringA Lib "wininet" ( _
ByVal ai As Long, _
ByVal lpstr As String, _
ByRef lpdwstrLength As Long, _
ByVal dwReserved 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
InternetAlgIdToStringA = ctypes.windll.wininet.InternetAlgIdToStringA
InternetAlgIdToStringA.restype = wintypes.BOOL
InternetAlgIdToStringA.argtypes = [
wintypes.DWORD, # ai : ALG_ID
wintypes.LPSTR, # lpstr : LPSTR out
ctypes.POINTER(wintypes.DWORD), # lpdwstrLength : DWORD* in/out
wintypes.DWORD, # dwReserved : DWORD optional
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('WININET.dll')
InternetAlgIdToStringA = Fiddle::Function.new(
lib['InternetAlgIdToStringA'],
[
-Fiddle::TYPE_INT, # ai : ALG_ID
Fiddle::TYPE_VOIDP, # lpstr : LPSTR out
Fiddle::TYPE_VOIDP, # lpdwstrLength : DWORD* in/out
-Fiddle::TYPE_INT, # dwReserved : DWORD optional
],
Fiddle::TYPE_INT)#[link(name = "wininet")]
extern "system" {
fn InternetAlgIdToStringA(
ai: u32, // ALG_ID
lpstr: *mut u8, // LPSTR out
lpdwstrLength: *mut u32, // DWORD* in/out
dwReserved: u32 // DWORD optional
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("WININET.dll", CharSet = CharSet.Ansi)]
public static extern bool InternetAlgIdToStringA(uint ai, [MarshalAs(UnmanagedType.LPStr)] System.Text.StringBuilder lpstr, ref uint lpdwstrLength, uint dwReserved);
"@
$api = Add-Type -MemberDefinition $sig -Name 'WININET_InternetAlgIdToStringA' -Namespace Win32 -PassThru
# $api::InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved)#uselib "WININET.dll"
#func global InternetAlgIdToStringA "InternetAlgIdToStringA" sptr, sptr, sptr, sptr
; InternetAlgIdToStringA ai, varptr(lpstr), varptr(lpdwstrLength), dwReserved ; 戻り値は stat
; ai : ALG_ID -> "sptr"
; lpstr : LPSTR out -> "sptr"
; lpdwstrLength : DWORD* in/out -> "sptr"
; dwReserved : DWORD optional -> "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 "WININET.dll" #cfunc global InternetAlgIdToStringA "InternetAlgIdToStringA" int, var, var, int ; res = InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved) ; ai : ALG_ID -> "int" ; lpstr : LPSTR out -> "var" ; lpdwstrLength : DWORD* in/out -> "var" ; dwReserved : DWORD optional -> "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 "WININET.dll" #cfunc global InternetAlgIdToStringA "InternetAlgIdToStringA" int, sptr, sptr, int ; res = InternetAlgIdToStringA(ai, varptr(lpstr), varptr(lpdwstrLength), dwReserved) ; ai : ALG_ID -> "int" ; lpstr : LPSTR out -> "sptr" ; lpdwstrLength : DWORD* in/out -> "sptr" ; dwReserved : DWORD optional -> "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:
; BOOL InternetAlgIdToStringA(ALG_ID ai, LPSTR lpstr, DWORD* lpdwstrLength, DWORD dwReserved) #uselib "WININET.dll" #cfunc global InternetAlgIdToStringA "InternetAlgIdToStringA" int, var, var, int ; res = InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved) ; ai : ALG_ID -> "int" ; lpstr : LPSTR out -> "var" ; lpdwstrLength : DWORD* in/out -> "var" ; dwReserved : DWORD optional -> "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。; BOOL InternetAlgIdToStringA(ALG_ID ai, LPSTR lpstr, DWORD* lpdwstrLength, DWORD dwReserved) #uselib "WININET.dll" #cfunc global InternetAlgIdToStringA "InternetAlgIdToStringA" int, intptr, intptr, int ; res = InternetAlgIdToStringA(ai, varptr(lpstr), varptr(lpdwstrLength), dwReserved) ; ai : ALG_ID -> "int" ; lpstr : LPSTR out -> "intptr" ; lpdwstrLength : DWORD* in/out -> "intptr" ; dwReserved : DWORD optional -> "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 (
wininet = windows.NewLazySystemDLL("WININET.dll")
procInternetAlgIdToStringA = wininet.NewProc("InternetAlgIdToStringA")
)
// ai (ALG_ID), lpstr (LPSTR out), lpdwstrLength (DWORD* in/out), dwReserved (DWORD optional)
r1, _, err := procInternetAlgIdToStringA.Call(
uintptr(ai),
uintptr(lpstr),
uintptr(lpdwstrLength),
uintptr(dwReserved),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction InternetAlgIdToStringA(
ai: DWORD; // ALG_ID
lpstr: PAnsiChar; // LPSTR out
lpdwstrLength: Pointer; // DWORD* in/out
dwReserved: DWORD // DWORD optional
): BOOL; stdcall;
external 'WININET.dll' name 'InternetAlgIdToStringA';result := DllCall("WININET\InternetAlgIdToStringA"
, "UInt", ai ; ALG_ID
, "Ptr", lpstr ; LPSTR out
, "Ptr", lpdwstrLength ; DWORD* in/out
, "UInt", dwReserved ; DWORD optional
, "Int") ; return: BOOL●InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved) = DLL("WININET.dll", "bool InternetAlgIdToStringA(dword, char*, void*, dword)")
# 呼び出し: InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved)
# ai : ALG_ID -> "dword"
# lpstr : LPSTR out -> "char*"
# lpdwstrLength : DWORD* in/out -> "void*"
# dwReserved : DWORD optional -> "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)。const std = @import("std");
extern "wininet" fn InternetAlgIdToStringA(
ai: u32, // ALG_ID
lpstr: [*c]u8, // LPSTR out
lpdwstrLength: [*c]u32, // DWORD* in/out
dwReserved: u32 // DWORD optional
) callconv(std.os.windows.WINAPI) i32;proc InternetAlgIdToStringA(
ai: uint32, # ALG_ID
lpstr: ptr char, # LPSTR out
lpdwstrLength: ptr uint32, # DWORD* in/out
dwReserved: uint32 # DWORD optional
): int32 {.importc: "InternetAlgIdToStringA", stdcall, dynlib: "WININET.dll".}pragma(lib, "wininet");
extern(Windows)
int InternetAlgIdToStringA(
uint ai, // ALG_ID
char* lpstr, // LPSTR out
uint* lpdwstrLength, // DWORD* in/out
uint dwReserved // DWORD optional
);ccall((:InternetAlgIdToStringA, "WININET.dll"), stdcall, Int32,
(UInt32, Ptr{UInt8}, Ptr{UInt32}, UInt32),
ai, lpstr, lpdwstrLength, dwReserved)
# ai : ALG_ID -> UInt32
# lpstr : LPSTR out -> Ptr{UInt8}
# lpdwstrLength : DWORD* in/out -> Ptr{UInt32}
# dwReserved : DWORD optional -> UInt32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t InternetAlgIdToStringA(
uint32_t ai,
char* lpstr,
uint32_t* lpdwstrLength,
uint32_t dwReserved);
]]
local wininet = ffi.load("wininet")
-- wininet.InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved)
-- ai : ALG_ID
-- lpstr : LPSTR out
-- lpdwstrLength : DWORD* in/out
-- dwReserved : DWORD optional
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。const koffi = require('koffi');
const lib = koffi.load('WININET.dll');
const InternetAlgIdToStringA = lib.func('__stdcall', 'InternetAlgIdToStringA', 'int32_t', ['uint32_t', 'char *', 'uint32_t *', 'uint32_t']);
// InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved)
// ai : ALG_ID -> 'uint32_t'
// lpstr : LPSTR out -> 'char *'
// lpdwstrLength : DWORD* in/out -> 'uint32_t *'
// dwReserved : DWORD optional -> 'uint32_t'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("WININET.dll", {
InternetAlgIdToStringA: { parameters: ["u32", "buffer", "pointer", "u32"], result: "i32" },
});
// lib.symbols.InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved)
// ai : ALG_ID -> "u32"
// lpstr : LPSTR out -> "buffer"
// lpdwstrLength : DWORD* in/out -> "pointer"
// dwReserved : DWORD optional -> "u32"
// 文字列は "buffer"。ANSI(-A) は new TextEncoder() で UTF-8/ANSI バイト列(末尾に \x00)を渡す。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。<?php
$ffi = FFI::cdef(<<<C
int32_t InternetAlgIdToStringA(
uint32_t ai,
char* lpstr,
uint32_t* lpdwstrLength,
uint32_t dwReserved);
C, "WININET.dll");
// $ffi->InternetAlgIdToStringA(ai, lpstr, lpdwstrLength, dwReserved);
// ai : ALG_ID
// lpstr : LPSTR out
// lpdwstrLength : DWORD* in/out
// dwReserved : DWORD optional
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Wininet extends StdCallLibrary {
Wininet INSTANCE = Native.load("wininet", Wininet.class, W32APIOptions.ASCII_OPTIONS);
boolean InternetAlgIdToStringA(
int ai, // ALG_ID
byte[] lpstr, // LPSTR out
IntByReference lpdwstrLength, // DWORD* in/out
int dwReserved // DWORD optional
);
}@[Link("wininet")]
lib LibWININET
fun InternetAlgIdToStringA = InternetAlgIdToStringA(
ai : UInt32, # ALG_ID
lpstr : UInt8*, # LPSTR out
lpdwstrLength : UInt32*, # DWORD* in/out
dwReserved : UInt32 # DWORD optional
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef InternetAlgIdToStringANative = Int32 Function(Uint32, Pointer<Utf8>, Pointer<Uint32>, Uint32);
typedef InternetAlgIdToStringADart = int Function(int, Pointer<Utf8>, Pointer<Uint32>, int);
final InternetAlgIdToStringA = DynamicLibrary.open('WININET.dll')
.lookupFunction<InternetAlgIdToStringANative, InternetAlgIdToStringADart>('InternetAlgIdToStringA');
// ai : ALG_ID -> Uint32
// lpstr : LPSTR out -> Pointer<Utf8>
// lpdwstrLength : DWORD* in/out -> Pointer<Uint32>
// dwReserved : DWORD optional -> Uint32
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function InternetAlgIdToStringA(
ai: DWORD; // ALG_ID
lpstr: PAnsiChar; // LPSTR out
lpdwstrLength: Pointer; // DWORD* in/out
dwReserved: DWORD // DWORD optional
): BOOL; stdcall;
external 'WININET.dll' name 'InternetAlgIdToStringA';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "InternetAlgIdToStringA"
c_InternetAlgIdToStringA :: Word32 -> CString -> Ptr Word32 -> Word32 -> IO CInt
-- ai : ALG_ID -> Word32
-- lpstr : LPSTR out -> CString
-- lpdwstrLength : DWORD* in/out -> Ptr Word32
-- dwReserved : DWORD optional -> Word32
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。open Ctypes
open Foreign
let internetalgidtostringa =
foreign "InternetAlgIdToStringA"
(uint32_t @-> string @-> (ptr uint32_t) @-> uint32_t @-> returning int32_t)
(* ai : ALG_ID -> uint32_t *)
(* lpstr : LPSTR out -> string *)
(* lpdwstrLength : DWORD* in/out -> (ptr uint32_t) *)
(* dwReserved : DWORD optional -> uint32_t *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)(cffi:define-foreign-library wininet (t "WININET.dll"))
(cffi:use-foreign-library wininet)
(cffi:defcfun ("InternetAlgIdToStringA" internet-alg-id-to-string-a :convention :stdcall) :int32
(ai :uint32) ; ALG_ID
(lpstr :pointer) ; LPSTR out
(lpdwstr-length :pointer) ; DWORD* in/out
(dw-reserved :uint32)) ; DWORD optional
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $InternetAlgIdToStringA = Win32::API::More->new('WININET',
'BOOL InternetAlgIdToStringA(DWORD ai, LPSTR lpstr, LPVOID lpdwstrLength, DWORD dwReserved)');
# my $ret = $InternetAlgIdToStringA->Call($ai, $lpstr, $lpdwstrLength, $dwReserved);
# ai : ALG_ID -> DWORD
# lpstr : LPSTR out -> LPSTR
# lpdwstrLength : DWORD* in/out -> LPVOID
# dwReserved : DWORD optional -> DWORD
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。関連項目
文字セット違い
- f InternetAlgIdToStringW (Unicode版) — 暗号アルゴリズムIDを文字列名に変換する(Unicode版)。
使用する型