深海游弋的鱼 – 默默的点滴

Flutter多平台打包发布

flutter_distributor是一个强大的工具，支持跨平台发布和高级打包选项。

安装

确保 flutter_distributor 已安装：

$ dart pub global activate flutter_distributor

1	$ dart pub global activate flutter_distributor

配置文件

为高级打包配置所需的文件：

macOS:

如果打包 DMG 安装包：macos/packaging/dmg/make_config.yaml

title: 应用名称
contents:
  - x: 448
    y: 244
    type: link
    path: "/Applications"
  - x: 192
    y: 244
    type: file
    path: 应用名称.app

title: 应用名称

contents:

- x: 448

y: 244

type: link

path: "/Applications"

- x: 192

y: 244

type: file

path: 应用名称.app

如果打包 PKG 安装包：macos/packaging/pkg/make_config.yaml

macos/packaging/pkg/make_config.yaml
YAML

install-path: /Applications #sign-identity: <your-sign-identity>

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install-path: /Applications
#sign-identity: <your-sign-identity>
distribute_options.yaml

distribute_options.yaml
YAML

output: dist/

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output: dist/

Windows:

如果打包 exe 安装包：windows/packaging/exe/inno_setup.sas

[Setup]
AppId={{APP_ID}}
AppVersion={{APP_VERSION}}
AppName={{DISPLAY_NAME}}
AppPublisher={{PUBLISHER_NAME}}
AppPublisherURL={{PUBLISHER_URL}}
AppSupportURL={{PUBLISHER_URL}}
AppUpdatesURL={{PUBLISHER_URL}}
DefaultDirName={{INSTALL_DIR_NAME}}
DisableProgramGroupPage=yes
OutputDir=.
OutputBaseFilename={{OUTPUT_BASE_FILENAME}}
Compression=lzma
SolidCompression=yes
SetupIconFile={{SETUP_ICON_FILE}}
WizardStyle=modern
PrivilegesRequired={{PRIVILEGES_REQUIRED}}
ArchitecturesAllowed=x64
ArchitecturesInstallIn64BitMode=x64
CloseApplications=force

[Languages]
{% for locale in LOCALES %}
{% if locale == 'en' %}Name: "english"; MessagesFile: "compiler:Default.isl"{% endif %}
{% if locale == 'hy' %}Name: "armenian"; MessagesFile: "compiler:Languages\\Armenian.isl"{% endif %}
{% if locale == 'bg' %}Name: "bulgarian"; MessagesFile: "compiler:Languages\\Bulgarian.isl"{% endif %}
{% if locale == 'ca' %}Name: "catalan"; MessagesFile: "compiler:Languages\\Catalan.isl"{% endif %}
{% if locale == 'zh' %}Name: "chinesesimplified"; MessagesFile: "compiler:Languages\\ChineseSimplified.isl"{% endif %}
{% if locale == 'co' %}Name: "corsican"; MessagesFile: "compiler:Languages\\Corsican.isl"{% endif %}
{% if locale == 'cs' %}Name: "czech"; MessagesFile: "compiler:Languages\\Czech.isl"{% endif %}
{% if locale == 'da' %}Name: "danish"; MessagesFile: "compiler:Languages\\Danish.isl"{% endif %}
{% if locale == 'nl' %}Name: "dutch"; MessagesFile: "compiler:Languages\\Dutch.isl"{% endif %}
{% if locale == 'fi' %}Name: "finnish"; MessagesFile: "compiler:Languages\\Finnish.isl"{% endif %}
{% if locale == 'fr' %}Name: "french"; MessagesFile: "compiler:Languages\\French.isl"{% endif %}
{% if locale == 'de' %}Name: "german"; MessagesFile: "compiler:Languages\\German.isl"{% endif %}
{% if locale == 'he' %}Name: "hebrew"; MessagesFile: "compiler:Languages\\Hebrew.isl"{% endif %}
{% if locale == 'is' %}Name: "icelandic"; MessagesFile: "compiler:Languages\\Icelandic.isl"{% endif %}
{% if locale == 'it' %}Name: "italian"; MessagesFile: "compiler:Languages\\Italian.isl"{% endif %}
{% if locale == 'ja' %}Name: "japanese"; MessagesFile: "compiler:Languages\\Japanese.isl"{% endif %}
{% if locale == 'no' %}Name: "norwegian"; MessagesFile: "compiler:Languages\\Norwegian.isl"{% endif %}
{% if locale == 'pl' %}Name: "polish"; MessagesFile: "compiler:Languages\\Polish.isl"{% endif %}
{% if locale == 'pt' %}Name: "portuguese"; MessagesFile: "compiler:Languages\\Portuguese.isl"{% endif %}
{% if locale == 'ru' %}Name: "russian"; MessagesFile: "compiler:Languages\\Russian.isl"{% endif %}
{% if locale == 'sk' %}Name: "slovak"; MessagesFile: "compiler:Languages\\Slovak.isl"{% endif %}
{% if locale == 'sl' %}Name: "slovenian"; MessagesFile: "compiler:Languages\\Slovenian.isl"{% endif %}
{% if locale == 'es' %}Name: "spanish"; MessagesFile: "compiler:Languages\\Spanish.isl"{% endif %}
{% if locale == 'tr' %}Name: "turkish"; MessagesFile: "compiler:Languages\\Turkish.isl"{% endif %}
{% if locale == 'uk' %}Name: "ukrainian"; MessagesFile: "compiler:Languages\\Ukrainian.isl"{% endif %}
{% endfor %}

[Tasks]
Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: {% if CREATE_DESKTOP_ICON != true %}unchecked{% else %}checkedonce{% endif %}
Name: "launchAtStartup"; Description: "{cm:AutoStartProgram,{{DISPLAY_NAME}}}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: {% if LAUNCH_AT_STARTUP != true %}unchecked{% else %}checkedonce{% endif %}
[Files]
Source: "{{SOURCE_DIR}}\\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
; NOTE: Don't use "Flags: ignoreversion" on any shared system files

[Icons]
Name: "{autoprograms}\\{{DISPLAY_NAME}}"; Filename: "{app}\\{{EXECUTABLE_NAME}}"
Name: "{autodesktop}\\{{DISPLAY_NAME}}"; Filename: "{app}\\{{EXECUTABLE_NAME}}"; Tasks: desktopicon
Name: "{userstartup}\\{{DISPLAY_NAME}}"; Filename: "{app}\\{{EXECUTABLE_NAME}}"; WorkingDir: "{app}"; Tasks: launchAtStartup
[Run]
Filename: "{app}\\{{EXECUTABLE_NAME}}"; Description: "{cm:LaunchProgram,{{DISPLAY_NAME}}}"; Flags: {% if PRIVILEGES_REQUIRED == 'admin' %}runascurrentuser{% endif %} nowait postinstall skipifsilent


[Code]
function InitializeSetup(): Boolean;
var
  ResultCode: Integer;
begin
  Exec('taskkill', '/F /IM 应用名称.exe', '', SW_HIDE, ewWaitUntilTerminated, ResultCode)
  Result := True;
end;

[Setup]

AppId={{APP_ID}}

AppVersion={{APP_VERSION}}

AppName={{DISPLAY_NAME}}

AppPublisher={{PUBLISHER_NAME}}

AppPublisherURL={{PUBLISHER_URL}}

AppSupportURL={{PUBLISHER_URL}}

AppUpdatesURL={{PUBLISHER_URL}}

DefaultDirName={{INSTALL_DIR_NAME}}

DisableProgramGroupPage=yes

OutputDir=.

OutputBaseFilename={{OUTPUT_BASE_FILENAME}}

Compression=lzma

SolidCompression=yes

SetupIconFile={{SETUP_ICON_FILE}}

WizardStyle=modern

PrivilegesRequired={{PRIVILEGES_REQUIRED}}

ArchitecturesAllowed=x64

ArchitecturesInstallIn64BitMode=x64

CloseApplications=force

[Languages]

{% for locale in LOCALES %}

{% if locale == 'en' %}Name: "english"; MessagesFile: "compiler:Default.isl"{% endif %}

{% if locale == 'hy' %}Name: "armenian"; MessagesFile: "compiler:Languages\\Armenian.isl"{% endif %}

{% if locale == 'bg' %}Name: "bulgarian"; MessagesFile: "compiler:Languages\\Bulgarian.isl"{% endif %}

{% if locale == 'ca' %}Name: "catalan"; MessagesFile: "compiler:Languages\\Catalan.isl"{% endif %}

{% if locale == 'zh' %}Name: "chinesesimplified"; MessagesFile: "compiler:Languages\\ChineseSimplified.isl"{% endif %}

{% if locale == 'co' %}Name: "corsican"; MessagesFile: "compiler:Languages\\Corsican.isl"{% endif %}

{% if locale == 'cs' %}Name: "czech"; MessagesFile: "compiler:Languages\\Czech.isl"{% endif %}

{% if locale == 'da' %}Name: "danish"; MessagesFile: "compiler:Languages\\Danish.isl"{% endif %}

{% if locale == 'nl' %}Name: "dutch"; MessagesFile: "compiler:Languages\\Dutch.isl"{% endif %}

{% if locale == 'fi' %}Name: "finnish"; MessagesFile: "compiler:Languages\\Finnish.isl"{% endif %}

{% if locale == 'fr' %}Name: "french"; MessagesFile: "compiler:Languages\\French.isl"{% endif %}

{% if locale == 'de' %}Name: "german"; MessagesFile: "compiler:Languages\\German.isl"{% endif %}

{% if locale == 'he' %}Name: "hebrew"; MessagesFile: "compiler:Languages\\Hebrew.isl"{% endif %}

{% if locale == 'is' %}Name: "icelandic"; MessagesFile: "compiler:Languages\\Icelandic.isl"{% endif %}

{% if locale == 'it' %}Name: "italian"; MessagesFile: "compiler:Languages\\Italian.isl"{% endif %}

{% if locale == 'ja' %}Name: "japanese"; MessagesFile: "compiler:Languages\\Japanese.isl"{% endif %}

{% if locale == 'no' %}Name: "norwegian"; MessagesFile: "compiler:Languages\\Norwegian.isl"{% endif %}

{% if locale == 'pl' %}Name: "polish"; MessagesFile: "compiler:Languages\\Polish.isl"{% endif %}

{% if locale == 'pt' %}Name: "portuguese"; MessagesFile: "compiler:Languages\\Portuguese.isl"{% endif %}

{% if locale == 'ru' %}Name: "russian"; MessagesFile: "compiler:Languages\\Russian.isl"{% endif %}

{% if locale == 'sk' %}Name: "slovak"; MessagesFile: "compiler:Languages\\Slovak.isl"{% endif %}

{% if locale == 'sl' %}Name: "slovenian"; MessagesFile: "compiler:Languages\\Slovenian.isl"{% endif %}

{% if locale == 'es' %}Name: "spanish"; MessagesFile: "compiler:Languages\\Spanish.isl"{% endif %}

{% if locale == 'tr' %}Name: "turkish"; MessagesFile: "compiler:Languages\\Turkish.isl"{% endif %}

{% if locale == 'uk' %}Name: "ukrainian"; MessagesFile: "compiler:Languages\\Ukrainian.isl"{% endif %}

{% endfor %}

[Tasks]

Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: {% if CREATE_DESKTOP_ICON != true %}unchecked{% else %}checkedonce{% endif %}

Name: "launchAtStartup"; Description: "{cm:AutoStartProgram,{{DISPLAY_NAME}}}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: {% if LAUNCH_AT_STARTUP != true %}unchecked{% else %}checkedonce{% endif %}

[Files]

Source: "{{SOURCE_DIR}}\\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs

; NOTE: Don't use "Flags: ignoreversion" on any shared system files

[Icons]

Name: "{autoprograms}\\{{DISPLAY_NAME}}"; Filename: "{app}\\{{EXECUTABLE_NAME}}"

Name: "{autodesktop}\\{{DISPLAY_NAME}}"; Filename: "{app}\\{{EXECUTABLE_NAME}}"; Tasks: desktopicon

Name: "{userstartup}\\{{DISPLAY_NAME}}"; Filename: "{app}\\{{EXECUTABLE_NAME}}"; WorkingDir: "{app}"; Tasks: launchAtStartup

[Run]

Filename: "{app}\\{{EXECUTABLE_NAME}}"; Description: "{cm:LaunchProgram,{{DISPLAY_NAME}}}"; Flags: {% if PRIVILEGES_REQUIRED == 'admin' %}runascurrentuser{% endif %} nowait postinstall skipifsilent

[Code]

function InitializeSetup(): Boolean;

var

ResultCode: Integer;

begin

Exec('taskkill', '/F /IM 应用名称.exe', '', SW_HIDE, ewWaitUntilTerminated, ResultCode)

Result := True;

end;

windows/packaging/exe/make_config.yaml

app_id: 6L913538-42B1-4596-G479-BJ779F21A65D
publisher: 应用名称
publisher_url: https://github.com/aaa/aaa
display_name: 应用名称
executable_name: 应用名称.exe
output_base_file_name: 应用名称.exe
create_desktop_icon: true
install_dir_name: "{autopf64}\\应用名称"
setup_icon_file: ..\..\windows\runner\resources\app_icon.ico
locales:
  - ar
  - en
  - fa
  - ru
  - pt
  - tr
script_template: inno_setup.sas

app_id: 6L913538-42B1-4596-G479-BJ779F21A65D

publisher: 应用名称

publisher_url: https://github.com/aaa/aaa

display_name: 应用名称

executable_name: 应用名称.exe

output_base_file_name: 应用名称.exe

create_desktop_icon: true

install_dir_name: "{autopf64}\\应用名称"

setup_icon_file: ..\..\windows\runner\resources\app_icon.ico

locales:

- ar

- en

- fa

- ru

- pt

- tr

script_template: inno_setup.sas

如果打包 msix windows/packaging/msix/make_config.yaml

display_name: 应用名称
publisher_display_name: 应用名称
identity_name: 应用名称.appioi
msix_version: 2.5.7.0
logo_path: windows\runner\resources\app_icon.ico
capabilities: internetClient, internetClientServer, privateNetworkClientServer
languages: en-us, zh-cn, zh-tw, tr-tr,fa-ir,ru-ru,pt-br,es-es
protocol_activation: 应用名称
execution_alias: 应用名称
certificate_path: windows\sign.pfx
certificate_password:
publisher: CN=8CB43675-F44B-4AA5-9372-E8727781BDC4
install_certificate: "false"
enable_at_startup: "true"
startup_task:
  parameters: --autostart

display_name: 应用名称

publisher_display_name: 应用名称

identity_name: 应用名称.appioi

msix_version: 2.5.7.0

logo_path: windows\runner\resources\app_icon.ico

capabilities: internetClient, internetClientServer, privateNetworkClientServer

languages: en-us, zh-cn, zh-tw, tr-tr,fa-ir,ru-ru,pt-br,es-es

protocol_activation: 应用名称

execution_alias: 应用名称

certificate_path: windows\sign.pfx

certificate_password:

publisher: CN=8CB43675-F44B-4AA5-9372-E8727781BDC4

install_certificate: "false"

enable_at_startup: "true"

startup_task:

parameters: --autostart

Linux:

linux/packaging/appimage

有两个文件 linux/packaging/appimage/AppRun

#!/bin/bash

cd "$(dirname "$0")"
export LD_LIBRARY_PATH=usr/lib

# Usage info
show_help() {
cat << EOF
Usage: ${0##*/} ...
start app or app, when no parameter is given, app is executed.
    -v              show version
EOF
}
show_version() {
    printf "app version "
    jq .version <./data/flutter_assets/version.json
}
# Initialize variables:
service=0 #declare -i service
OPTIND=1

# Resetting OPTIND is necessary if getopts was used previously in the script.
# It is a good idea to make OPTIND local if you process options in a function.

# if no arg is provided, execute app
if [[ $# == 0 ]];then
    exec ./app
else

# processing arguments

    case $1 in
        appCli)
            exec ./appCli ${@:3}
            exit 0
            ;;
        h)
            show_help
            exit 0
            ;;
        v)  show_version
            exit 0
            ;;
        *)
            show_help >&2
            exit 1
            ;;
    esac
fi

#!/bin/bash

cd "$(dirname "$0")"

export LD_LIBRARY_PATH=usr/lib

# Usage info

show_help() {

cat << EOF

Usage: ${0##*/} ...

start app or app, when no parameter is given, app is executed.

-v show version

EOF

}

show_version() {

printf "app version "

jq .version <./data/flutter_assets/version.json

}

# Initialize variables:

service=0 #declare -i service

OPTIND=1

# Resetting OPTIND is necessary if getopts was used previously in the script.

# It is a good idea to make OPTIND local if you process options in a function.

# if no arg is provided, execute app

if [[ $# == 0 ]];then

exec ./app

else

# processing arguments

case $1 in

appCli)

exec ./appCli ${@:3}

exit 0

;;

show_help

exit 0

;;

v) show_version

exit 0

;;

show_help >&2

exit 1

;;

esac

linux/packaging/appimage/make_config.yaml

display_name: App名称

icon: ./assets/images/source/ic_launcher_border.png

keywords:
  - Hi

generic_name: App名称

actions:
  - name: Start
    label: start
    arguments:
      - --start
  - name: Stop
    label: stop
    arguments:
      - --stop

categories:
  - Network

startup_notify: true

app_run_file: AppRun

# You can specify the shared libraries that you want to bundle with your app
#
# flutter_distributor automatically detects the shared libraries that your app
# depends on, but you can also specify them manually here.
#
# The following example shows how to bundle the libcurl library with your app.
#
# include:
#   - libcurl.so.4
include: []

display_name: App名称

icon: ./assets/images/source/ic_launcher_border.png

keywords:

- Hi

generic_name: App名称

actions:

- name: Start

label: start

arguments:

- --start

- name: Stop

label: stop

arguments:

- --stop

categories:

- Network

startup_notify: true

app_run_file: AppRun

# You can specify the shared libraries that you want to bundle with your app

# flutter_distributor automatically detects the shared libraries that your app

# depends on, but you can also specify them manually here.

# The following example shows how to bundle the libcurl library with your app.

# include:

# - libcurl.so.4

include: []

linux/packaging/deb 文件 linux/packaging/deb/make_config.yaml

display_name: Hiddify
package_name: hiddify
maintainer:
  name: hiddify
  email: linux@hiddify.com

priority: optional
section: x11
installed_size: 6604
essential: false
icon: ./assets/images/source/ic_launcher_border.png

postinstall_scripts:
  - echo "Installed Hiddify"
postuninstall_scripts:
  - echo "Surprised Why?"

keywords:
  - Hiddify
  - Proxy
  - VPN
  - V2ray
  - Nekoray
  - Xray
  - Psiphon
  - OpenVPN

generic_name: Hiddify

categories:
  - Network

startup_notify: true

display_name: Hiddify

package_name: hiddify

maintainer:

name: hiddify

email: linux@hiddify.com

priority: optional

section: x11

installed_size: 6604

essential: false

icon: ./assets/images/source/ic_launcher_border.png

postinstall_scripts:

- echo "Installed Hiddify"

postuninstall_scripts:

- echo "Surprised Why?"

keywords:

- Hiddify

- Proxy

- VPN

- V2ray

- Nekoray

- Xray

- Psiphon

- OpenVPN

generic_name: Hiddify

categories:

- Network

startup_notify: true

linux/packaging/rpm 文件 linux/packaging/rpm/make_config.yaml

display_name: App
url: https://github.com/app/app-next/
license: Other

packager: App
packagerEmail: linux@App.com

priority: optional
section: x11
installed_size: 6604
essential: false
icon: ./assets/images/source/ic_launcher_border.png

keywords:
  - Hi

generic_name: App

group: Applications/Internet

startup_notify: true

display_name: App

url: https://github.com/app/app-next/

license: Other

packager: App

packagerEmail: linux@App.com

priority: optional

section: x11

installed_size: 6604

essential: false

icon: ./assets/images/source/ic_launcher_border.png

keywords:

- Hi

generic_name: App

group: Applications/Internet

startup_notify: true

命令示例

打包 macOS (DMG 和 PKG)

$ export PATH="$PATH":"$HOME/.pub-cache/bin" $ flutter_distributor package --flutter-build-args=verbose --platform macos --targets dmg,pkg

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$ export PATH="$PATH":"$HOME/.pub-cache/bin"

$ flutter_distributor package --flutter-build-args=verbose --platform macos --targets dmg,pkg
打包 Windows (EXE 和 MSIX)

$ export PATH="$PATH":"$HOME/.pub-cache/bin" $ flutter_distributor package --flutter-build-args=verbose --platform windows --targets exe,msix

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3

$ export PATH="$PATH":"$HOME/.pub-cache/bin"

$ flutter_distributor package --flutter-build-args=verbose --platform windows --targets exe,msix
打包 Linux (DEB、RPM 和 AppImage)

$ export PATH="$PATH":"$HOME/.pub-cache/bin" $ flutter_distributor package --flutter-build-args=verbose --platform linux --targets deb,rpm,appimage

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3

$ export PATH="$PATH":"$HOME/.pub-cache/bin"

$ flutter_distributor package --flutter-build-args=verbose --platform linux --targets deb,rpm,appimage

参考链接

Flutter 3.29.1-使用U盾完成数据的加解密（国密算法SKF接口）

参考 Python3-使用U盾完成数据的加解密（国密算法SKF接口），那么相同的功能如何使用 Flutter FFI 实现呢？

Flutter 3.29.1

ffi 2.1.4

pointycastle 3.6.0

pkcs7 1.0.5

convert 3.1.2

代码参考如下：

import 'dart:ffi';
import 'dart:io';

import 'package:ffi/ffi.dart';
import 'package:flutter/cupertino.dart';

/// SM3 算法定义
///
/// \# define SGD_SM3 0x00000001
// ignore: constant_identifier_names
const SGD_SM3 = 0x00000001;

/// 异常错误
///
/// \# define SAR_UNKNOWNERR 0x0A000002
// ignore: constant_identifier_names
const SAR_UNKNOWNERR = 0x0A000002;

/// 对象未导出
///
/// \# define SAR_NOTEXPORTERR 0x0A00001D
// ignore: constant_identifier_names
const SAR_NOTEXPORTERR = 0x0A00001D;

/// ECC 签名结构体
///
/// 信息安全技术 智能密码钥匙应用接口规范 GB/T 35291-2017
///
/// #define ECC_MAX_XCOORDINATE_BITS_LEN 512
///
/// typedef struct Struct_ECCSIGNATUREBLOB {
///
///    BYTE r[ECC_MAX_XCOORDINATE_BITS_LEN/8];
///
///    BYTE s[ECC_MAX_XCOORDINATE_BITS_LEN/8];
///
/// } ECCSIGNATUREBLOB, *PECCSIGNATUREBLOB
// ignore: constant_identifier_names
const ECC_MAX_XCOORDINATE_BITS_LEN = 512;

@Packed(8)
// ignore: camel_case_types
final class Struct_ECCSIGNATUREBLOB extends Struct {
  @Array(ECC_MAX_XCOORDINATE_BITS_LEN ~/ 8)
  external Array<Uint8> r;

  @Array(ECC_MAX_XCOORDINATE_BITS_LEN ~/ 8)
  external Array<Uint8> s;
}

// ignore: constant_identifier_names
const TRUE = 0x00000001;

// ignore: constant_identifier_names
const FALSE = 0x00000000;

/// ECC 公钥结构体
///
/// 信息安全技术 智能密码钥匙应用接口规范 GB/T 35291-2017
@Packed(8)
// ignore: camel_case_types
final class Struct_ECCPUBLICKEYBLOB extends Struct {
  /*
   * 官方文档是C语言的 ULONG，不管操作系统是32位还是64位，都要求是 4个字节。
  **/
  @Uint32()
  external int bitLen;
  @Array(64)
  external Array<Uint8> xCoordinate;
  @Array(64)
  external Array<Uint8> yCoordinate;

  int lengthInBytes() {
    return sizeOf<Struct_ECCPUBLICKEYBLOB>();
  }
}

/// 密文数据结构，经典的Flutter变长结构体处理
///
/// 信息安全技术 智能密码钥匙应用接口规范 GB/T 35291-2017
@Packed(8)
// ignore: camel_case_types
final class Struct_ECCCIPHERBLOB extends Struct {
  /*
   * 官方文档是C语言的 ULONG，不管操作系统是32位还是64位，都要求是 4个字节。
  **/
  @Array(64)
  external Array<Uint8> xCoordinate;
  @Array(64)
  external Array<Uint8> yCoordinate;
  @Array(32)
  external Array<Uint8> hash;
  @Uint32()
  external int cipherLen;

  @Array.variable()
  external Array<Uint8> cipher;

  static Pointer<Struct_ECCCIPHERBLOB> allocate(final int length) {
    final lengthInBytes = lengthBytes(length);
    final result = calloc.allocate<Struct_ECCCIPHERBLOB>(lengthInBytes);
    result.ref.cipherLen = length;
    return result;
  }

  static int lengthBytes(final int length) {
    return sizeOf<Struct_ECCCIPHERBLOB>() + sizeOf<Uint8>() * length;
  }

  int lengthInBytes() {
    return lengthBytes(cipherLen);
  }
}

class SkfLib {
  /// 动态库加载
  late final DynamicLibrary? _skfLib;

  late final int Function(
          int bPresent, Pointer<Uint8> szNameList, Pointer<Uint32> pulSize)?
      _skfEnumDev;

  late final int Function(Pointer<Utf8> szName, Pointer<Pointer<Void>> phDev)?
      _skfConnectDev;

  late final int Function(Pointer<Void> hDev)? _skfDisConnectDev;

  late final int Function(Pointer<Void> hDev, Pointer<Utf8> szAppName,
      Pointer<Pointer<Void>> phApplication)? _skfOpenApplication;

  late final int Function(Pointer<Void> hDev, Pointer<Uint8> szAppName,
      Pointer<Uint32> pulSize)? _skfEnumApplication;

  late final int Function(Pointer<Void> hApplication)? _skfCloseApplication;

  late final int Function(
      Pointer<Void> hApplication,
      Pointer<Uint8> szContainerName,
      Pointer<Uint32> pulSize)? _skfEnumContainer;

  late final int Function(
      Pointer<Void> hApplication,
      Pointer<Utf8> szContainerName,
      Pointer<Pointer<Void>> phContainer)? _skfOpenContainer;

  late final int Function(Pointer<Void> hContainer)? _skfCloseContainer;

  late final int Function(
      Pointer<Void> hContainer,
      int bSignFlag,
      Pointer<Struct_ECCPUBLICKEYBLOB> pbBlob,
      Pointer<Uint32> pulBlobLen)? _skfExportPublicKey;

  late final int Function(Pointer<Void> hContainer, int bSignFlag,
      Pointer<Uint8> pbCert, Pointer<Uint32> pulCertLen)? _skfExportCertificate;

  late final int Function(
      Pointer<Void> hDev,
      Pointer<Struct_ECCPUBLICKEYBLOB> pECCPubKeyBlob,
      Pointer<Utf8> pbPlainText,
      int ulPlainTextLen,
      Pointer<Struct_ECCCIPHERBLOB> pCipherText)? _skfExtECCEncrypt;

  late final int Function(
      Pointer<Void> hContainer,
      int bSignFlag,
      Pointer<Struct_ECCCIPHERBLOB> pCipherText,
      Pointer<Uint8> pbData,
      Pointer<Uint32> pbDataLen)? _skfECCDecrypt;

  late final int Function(
      Pointer<Void> hContainer,
      int ulAlgID,
      Pointer<Utf8> pbPlainText,
      int ulPlainTextLen,
      Pointer<Struct_ECCSIGNATUREBLOB> pSignature)? _skfECCDigestSignData;

  late final int Function(
      Pointer<Void> hContainer,
      int ulAlgID,
      Pointer<Utf8> pbPlainText,
      int ulPlainTextLen,
      Pointer<Struct_ECCSIGNATUREBLOB> pSignature)? _skfECCSignDataEx;

  late final int Function(Pointer<Void> hApplication, int ulPINType,
      Pointer<Utf8> szPIN, Pointer<Uint32> pulRetryCount)? _skfVerifyPIN;

  SkfLib(final String dllPath) {
    try {
      _skfLib = Platform.isMacOS || Platform.isIOS
          ? DynamicLibrary.process()
          : DynamicLibrary.open(dllPath); // 加载dll,获取句柄
    } catch (e) {
      _skfLib = null;
      debugPrint('SkfLib Load Failed: $e');
    }
    // 获取函数指针
    const fnEnumDev = "SKF_EnumDev";
    if (_providesSymbol(fnEnumDev)) {
      _skfEnumDev = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(
                      Uint32, Pointer<Uint8>, Pointer<Uint32>)>>(fnEnumDev)
          .asFunction();
    } else {
      _skfEnumDev = null;
    }

    const fnConnectDev = "SKF_ConnectDev";
    if (_providesSymbol(fnConnectDev)) {
      _skfConnectDev = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(
                      Pointer<Utf8>, Pointer<Pointer<Void>>)>>(fnConnectDev)
          .asFunction();
    } else {
      _skfConnectDev = null;
    }

    const fnDisConnectDev = "SKF_DisConnectDev";
    if (_providesSymbol(fnDisConnectDev)) {
      _skfDisConnectDev = _skfLib!
          .lookup<NativeFunction<Uint32 Function(Pointer<Void>)>>(
              fnDisConnectDev)
          .asFunction();
    } else {
      _skfDisConnectDev = null;
    }

    const fnEnumApplication = "SKF_EnumApplication";
    if (_providesSymbol(fnEnumApplication)) {
      _skfEnumApplication = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Pointer<Uint8>,
                      Pointer<Uint32>)>>(fnEnumApplication)
          .asFunction();
    } else {
      _skfEnumApplication = null;
    }

    const fnOpenApplication = "SKF_OpenApplication";
    if (_providesSymbol(fnOpenApplication)) {
      _skfOpenApplication = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Pointer<Utf8>,
                      Pointer<Pointer<Void>>)>>(fnOpenApplication)
          .asFunction();
    } else {
      _skfOpenApplication = null;
    }

    const fnCloseApplication = "SKF_CloseApplication";
    if (_providesSymbol(fnCloseApplication)) {
      _skfCloseApplication = _skfLib!
          .lookup<NativeFunction<Uint32 Function(Pointer<Void>)>>(
              fnCloseApplication)
          .asFunction();
    } else {
      _skfCloseApplication = null;
    }

    const fnEnumContainer = "SKF_EnumContainer";
    if (_providesSymbol(fnEnumContainer)) {
      _skfEnumContainer = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Pointer<Uint8>,
                      Pointer<Uint32>)>>(fnEnumContainer)
          .asFunction();
    } else {
      _skfEnumContainer = null;
    }

    const fnOpenContainer = "SKF_OpenContainer";
    if (_providesSymbol(fnOpenContainer)) {
      _skfOpenContainer = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Pointer<Utf8>,
                      Pointer<Pointer<Void>>)>>(fnOpenContainer)
          .asFunction();
    } else {
      _skfOpenContainer = null;
    }

    const fnCloseContainer = "SKF_CloseContainer";
    if (_providesSymbol(fnCloseContainer)) {
      _skfCloseContainer = _skfLib!
          .lookup<NativeFunction<Uint32 Function(Pointer<Void>)>>(
              fnCloseContainer)
          .asFunction();
    } else {
      _skfCloseContainer = null;
    }

    const fnExportPublicKey = "SKF_ExportPublicKey";
    if (_providesSymbol(fnExportPublicKey)) {
      _skfExportPublicKey = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(
                      Pointer<Void>,
                      Uint32,
                      Pointer<Struct_ECCPUBLICKEYBLOB>,
                      Pointer<Uint32>)>>(fnExportPublicKey)
          .asFunction();
    } else {
      _skfExportPublicKey = null;
    }

    const fnExportCertificate = "SKF_ExportCertificate";
    if (_providesSymbol(fnExportCertificate)) {
      _skfExportCertificate = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Uint32, Pointer<Uint8>,
                      Pointer<Uint32>)>>(fnExportCertificate)
          .asFunction();
    } else {
      _skfExportCertificate = null;
    }

    const fnExtECCEncrypt = "SKF_ExtECCEncrypt";
    if (_providesSymbol(fnExtECCEncrypt)) {
      _skfExtECCEncrypt = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(
                      Pointer<Void>,
                      Pointer<Struct_ECCPUBLICKEYBLOB>,
                      Pointer<Utf8>,
                      Uint32,
                      Pointer<Struct_ECCCIPHERBLOB>)>>(fnExtECCEncrypt)
          .asFunction();
    } else {
      _skfExtECCEncrypt = null;
    }

    const fnECCDecrypt = "SKF_ECCDecrypt";
    if (_providesSymbol(fnECCDecrypt)) {
      _skfECCDecrypt = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(
                      Pointer<Void>,
                      Uint32,
                      Pointer<Struct_ECCCIPHERBLOB>,
                      Pointer<Uint8>,
                      Pointer<Uint32>)>>(fnECCDecrypt)
          .asFunction();
    } else {
      _skfECCDecrypt = null;
    }

    const fnECCDigestSignData = "SKF_ECCDigestSignData";
    if (_providesSymbol(fnECCDigestSignData)) {
      _skfECCDigestSignData = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Uint32, Pointer<Utf8>, Uint32,
                      Pointer<Struct_ECCSIGNATUREBLOB>)>>(fnECCDigestSignData)
          .asFunction();
    } else {
      _skfECCDigestSignData = null;
    }

    const fnECCSignDataEx = "SKF_ECCSignDataEx";
    if (_providesSymbol(fnECCSignDataEx)) {
      _skfECCSignDataEx = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Uint32, Pointer<Utf8>, Uint32,
                      Pointer<Struct_ECCSIGNATUREBLOB>)>>(fnECCSignDataEx)
          .asFunction();
    } else {
      _skfECCSignDataEx = null;
    }

    const fnVerifyPIN = "SKF_VerifyPIN";
    if (_providesSymbol(fnVerifyPIN)) {
      _skfVerifyPIN = _skfLib!
          .lookup<
              NativeFunction<
                  Uint32 Function(Pointer<Void>, Uint32, Pointer<Utf8>,
                      Pointer<Uint32>)>>(fnVerifyPIN)
          .asFunction();
    } else {
      _skfVerifyPIN = null;
    }
  }

  /// Checks whether this dynamic library provides a symbol with the given name.
  bool _providesSymbol(final String symbolName) {
    return _skfLib?.providesSymbol(symbolName) ?? false;
  }

  @mustCallSuper
  void close() {
    _skfLib?.close();
  }

  /// 功能描述：
  ///
  /// 获得当前系统中的设备列表。
  ///
  /// 参数：
  ///
  /// [bPresent] [IN] 为 TRUE 表示获取当前设备状态为存在的设备列表。
  /// 为 FALSE 表示取当前取得支持的设备列表。
  ///
  /// [szNameList] [OUT] 设备名称列表。如果该参数为 NULL ，将由 pulSize 返回所需要的内存空间大小。
  /// 每个设备的名称以单个 '\0' 结束，以双 '\0' 表示列表结束。
  ///
  /// [pulSize] [IN, OUT] 输入时表示设备名称列表的缓冲区长度，输出时表示 szNameList 所占用的空间大小。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_EnumDev(final int bPresent, final Pointer<Uint8> szNameList,
      final Pointer<Uint32> pulSize) {
    if (null != _skfEnumDev) {
      return _skfEnumDev(bPresent, szNameList, pulSize);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 通过设备名称连接设备，返回设备的句柄。
  ///
  /// 参数：
  ///
  /// [szName] [IN] 设备名称。
  ///
  /// [phDev] [OUT] 返回设备操作句柄。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_ConnectDev(
      final Pointer<Utf8> szName, final Pointer<Pointer<Void>> phDev) {
    if (null != _skfConnectDev) {
      return _skfConnectDev(szName, phDev);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 断开一个已经连接的设备，并释放句柄。
  ///
  /// 参数：
  ///
  /// [hDev] [IN] 连接设备时返回的设备句柄。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_DisConnectDev(final Pointer<Void> hDev) {
    if (null != _skfDisConnectDev) {
      return _skfDisConnectDev(hDev);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 枚举设备中存在的所有应用。
  ///
  /// 参数：
  ///
  /// [hDev] [IN] 连接设备时返回的设备句柄。
  ///
  /// [szAppName] [OUT] 返回应用名称列表，如果该参数为空，将由 pulSize 返回所需要的内存空间大小。
  /// 每个应用的名称以单个 '\0' 结束，以双 '\0' 表示列表结束。
  ///
  /// [pulSize] [IN, OUT] 输入时表示应用名称列表的缓冲区长度，输出时表示 szAppName 所占用的空间大小。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_EnumApplication(final Pointer<Void> hDev,
      final Pointer<Uint8> szAppName, final Pointer<Uint32> pulSize) {
    if (null != _skfEnumApplication) {
      return _skfEnumApplication(hDev, szAppName, pulSize);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 打开指定的应用。
  ///
  /// 参数：
  ///
  /// [hDev] [IN] 连接设备时返回的设备句柄。
  ///
  /// [szAppName] [IN] 应用名称。
  ///
  /// [phApplication] [OUT] 应用的句柄。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_OpenApplication(
      final Pointer<Void> hDev,
      final Pointer<Utf8> szAppName,
      final Pointer<Pointer<Void>> phApplication) {
    if (null != _skfOpenApplication) {
      return _skfOpenApplication(hDev, szAppName, phApplication);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 关闭应用并释放应用句柄。
  ///
  /// 参数：
  ///
  /// [hApplication] [IN] 应用句柄。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_CloseApplication(final Pointer<Void> hApplication) {
    if (null != _skfCloseApplication) {
      return _skfCloseApplication(hApplication);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 枚举容器下所有容器并返回容器名称列表。
  ///
  /// 参数：
  ///
  /// [hApplication] [IN] 应用句柄。
  ///
  /// [szContainerName] [OUT] 指向容器名称列表缓冲区，如果该参数为 NULL 时，pulSize 表示返回数据所需缓冲区的长度，
  /// 如果此参数不为 NULL 时，返回容器名称列表，每个容器名以 '\0' 结束，列表以双 '\0' 结束。
  ///
  /// [pulSize] [IN, OUT] 输入时表示 szContainerName 缓冲区长度，输出时表示容器名称列表的长度。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_EnumContainer(final Pointer<Void> hApplication,
      final Pointer<Uint8> szContainerName, final Pointer<Uint32> pulSize) {
    if (null != _skfEnumContainer) {
      return _skfEnumContainer(hApplication, szContainerName, pulSize);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 获取容器句柄。
  ///
  /// 参数：
  ///
  /// [hApplication] [IN] 应用句柄。
  ///
  /// [szContainerName] [IN] 容器的名称。
  ///
  /// [phContainer] [OUT] 返回所打开容器的句柄。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_OpenContainer(
      final Pointer<Void> hApplication,
      final Pointer<Utf8> szContainerName,
      final Pointer<Pointer<Void>> phContainer) {
    if (null != _skfOpenContainer) {
      return _skfOpenContainer(hApplication, szContainerName, phContainer);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 关闭容器句柄，并释放容器句柄相关资源。
  ///
  /// 参数：
  ///
  /// [hContainer] [IN] 容器句柄。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_CloseContainer(final Pointer<Void> hContainer) {
    if (null != _skfCloseContainer) {
      return _skfCloseContainer(hContainer);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 从导出公钥。
  ///
  /// 参数：
  ///
  /// [hContainer] [IN] 容器句柄。
  ///
  /// [bSignFlag] [IN] TRUE 表示签名证书，FALSE 表示加密证书。
  ///
  /// [pbBlob] [OUT] 指向公钥内容缓冲区，如果此参数为 NULL 时，pulBlobLen 返回数据所需要
  /// 缓冲区长度，如果此参数不为 NULL 时，返回公钥内容。
  ///
  /// [pulBlobLen] [IN/OUT] 输入时表示 pbBlob 缓冲区的长度，输出时表示证书内容的长度。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_ExportPublicKey(
      final Pointer<Void> hContainer,
      final int bSignFlag,
      final Pointer<Struct_ECCPUBLICKEYBLOB> pbBlob,
      final Pointer<Uint32> pulBlobLen) {
    if (null != _skfExportPublicKey) {
      return _skfExportPublicKey(hContainer, bSignFlag, pbBlob, pulBlobLen);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 从容器内导出数字证书。
  ///
  /// 参数：
  ///
  /// [hContainer] [IN] 容器句柄。
  ///
  /// [bSignFlag] [IN] TRUE 表示签名证书，FALSE 表示加密证书。
  ///
  /// [pbCert] [OUT] 指向证书内容缓冲区，如果此参数为 NULL 时，pulCertLen 返回数据所需要
  /// 缓冲区长度，如果此参数不为 NULL 时，返回数字证书内容。
  ///
  /// [pulCertLen] [IN/OUT] 输入时表示 pbCert 缓冲区的长度，输出时表示证书内容的长度。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_ExportCertificate(final Pointer<Void> hContainer, final int bSignFlag,
      final Pointer<Uint8> pbCert, final Pointer<Uint32> pulCertLen) {
    if (null != _skfExportCertificate) {
      return _skfExportCertificate(hContainer, bSignFlag, pbCert, pulCertLen);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 使用外部传入的 ECC 公钥对输入数据做加密运算并输出结果。
  ///
  /// 参数：
  ///
  /// [hDev] [IN] 设备句柄。
  ///
  /// [pECCPubKeyBlob] [IN] ECC公钥数据结构。
  ///
  /// [pbPlainText] [IN] 待加密的明文数据。
  ///
  /// [ulPlainTextLen] [IN] 待加密的明文数据长度。
  ///
  /// [pCipherText] [OUT] 密文数据。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_ExtECCEncrypt(
      final Pointer<Void> hDev,
      final Pointer<Struct_ECCPUBLICKEYBLOB> pECCPubKeyBlob,
      final Pointer<Utf8> pbPlainText,
      final int ulPlainTextLen,
      final Pointer<Struct_ECCCIPHERBLOB> pCipherText) {
    if (null != _skfExtECCEncrypt) {
      return _skfExtECCEncrypt(
          hDev, pECCPubKeyBlob, pbPlainText, ulPlainTextLen, pCipherText);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 私钥解密。
  ///
  /// 参数：
  ///
  /// [hContainer] [IN] 密钥容器句柄。
  ///
  /// [bSignFlag] [IN] TRUE 表示签名证书，FALSE 表示加密证书。
  ///
  /// [pCipherText] [IN] 加密数据的结构。
  ///
  /// [pbData] [OUT] 解密后的明文数据。
  ///
  /// [pbDataLen] [OUT] 明文数据长度。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_ECCDecrypt(
      final Pointer<Void> hContainer,
      final int bSignFlag,
      final Pointer<Struct_ECCCIPHERBLOB> pCipherText,
      final Pointer<Uint8> pbData,
      final Pointer<Uint32> pbDataLen) {
    if (null != _skfECCDecrypt) {
      return _skfECCDecrypt(
          hContainer, bSignFlag, pCipherText, pbData, pbDataLen);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 厂商实现的 ECC 数据签名扩展。
  ///
  /// 参数：
  ///
  /// [hContainer] [IN] 密钥容器句柄。
  ///
  /// [ulAlgID] [IN] 杂凑算法标识，这里选择SGD_SM3（0x00000001），表明使用SM3算法。
  ///
  /// [pbPlainText] [IN] 待签名的明文数据。
  ///
  /// [ulPlainTextLen] [IN] 待签名的明文数据长度。
  ///
  /// [pSignature] [OUT] 签名结果。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_ECCSignDataEx(
      final Pointer<Void> hContainer,
      final int ulAlgID,
      final Pointer<Utf8> pbPlainText,
      final int ulPlainTextLen,
      final Pointer<Struct_ECCSIGNATUREBLOB> pSignature) {
    // WQ 扩展接口 SKF_ECCSignDataEx

    // FT/HB 扩展接口 SKF_ECCDigestSignData
    if (null != _skfECCDigestSignData) {
      return _skfECCDigestSignData(
          hContainer, ulAlgID, pbPlainText, ulPlainTextLen, pSignature);
    } else if (null != _skfECCSignDataEx) {
      return _skfECCSignDataEx(
          hContainer, ulAlgID, pbPlainText, ulPlainTextLen, pSignature);
    }
    return SAR_NOTEXPORTERR;
  }

  /// 功能描述：
  ///
  /// 校验 PIN 码。校验成功后，会获得相应的权限，如果 PIN 码错误，会返回 PIN 码的重试次数，
  /// 当重试次数为 0 时表示 PIN 码已经锁死。
  ///
  /// 参数：
  ///
  /// [hApplication] [IN] 应用句柄。
  ///
  /// [ulPINType] [IN] PIN 类型。 0 是管理员账户，1 为普通用户，这个参数一般选择 1。
  ///
  /// [szPIN] [IN] PIN 值。
  ///
  /// [pulRetryCount] [OUT] 出错后返回的重试次数。
  ///
  /// 返回值：
  ///
  /// SAR_OK : 成功。
  ///
  /// 其他： 错误码。
  // ignore: non_constant_identifier_names
  int SKF_VerifyPIN(final Pointer<Void> hApplication, final int ulPINType,
      final Pointer<Utf8> szPIN, final Pointer<Uint32> pulRetryCount) {
    if (null != _skfVerifyPIN) {
      return _skfVerifyPIN(hApplication, ulPINType, szPIN, pulRetryCount);
    }
    return SAR_NOTEXPORTERR;
  }
}

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import 'dart:ffi';

import 'dart:io';

import 'package:ffi/ffi.dart';

import 'package:flutter/cupertino.dart';

/// SM3 算法定义

///

/// \# define SGD_SM3 0x00000001

// ignore: constant_identifier_names

const SGD_SM3 = 0x00000001;

/// 异常错误

///

/// \# define SAR_UNKNOWNERR 0x0A000002

// ignore: constant_identifier_names

const SAR_UNKNOWNERR = 0x0A000002;

/// 对象未导出

///

/// \# define SAR_NOTEXPORTERR 0x0A00001D

// ignore: constant_identifier_names

const SAR_NOTEXPORTERR = 0x0A00001D;

/// ECC 签名结构体

///

/// 信息安全技术智能密码钥匙应用接口规范 GB/T 35291-2017

///

/// #define ECC_MAX_XCOORDINATE_BITS_LEN 512

///

/// typedef struct Struct_ECCSIGNATUREBLOB {

///

/// BYTE r[ECC_MAX_XCOORDINATE_BITS_LEN/8];

///

/// BYTE s[ECC_MAX_XCOORDINATE_BITS_LEN/8];

///

/// } ECCSIGNATUREBLOB, *PECCSIGNATUREBLOB

// ignore: constant_identifier_names

const ECC_MAX_XCOORDINATE_BITS_LEN = 512;

@Packed(8)

// ignore: camel_case_types

final class Struct_ECCSIGNATUREBLOB extends Struct {

@Array(ECC_MAX_XCOORDINATE_BITS_LEN ~/ 8)

external Array<Uint8> r;

@Array(ECC_MAX_XCOORDINATE_BITS_LEN ~/ 8)

external Array<Uint8> s;

}

// ignore: constant_identifier_names

const TRUE = 0x00000001;

// ignore: constant_identifier_names

const FALSE = 0x00000000;

/// ECC 公钥结构体

///

/// 信息安全技术智能密码钥匙应用接口规范 GB/T 35291-2017

@Packed(8)

// ignore: camel_case_types

final class Struct_ECCPUBLICKEYBLOB extends Struct {

* 官方文档是C语言的 ULONG，不管操作系统是32位还是64位，都要求是 4个字节。

**/

@Uint32()

external int bitLen;

@Array(64)

external Array<Uint8> xCoordinate;

@Array(64)

external Array<Uint8> yCoordinate;

int lengthInBytes() {

return sizeOf<Struct_ECCPUBLICKEYBLOB>();

}

/// 密文数据结构，经典的Flutter变长结构体处理

///

/// 信息安全技术智能密码钥匙应用接口规范 GB/T 35291-2017

@Packed(8)

// ignore: camel_case_types

final class Struct_ECCCIPHERBLOB extends Struct {

* 官方文档是C语言的 ULONG，不管操作系统是32位还是64位，都要求是 4个字节。

**/

@Array(64)

external Array<Uint8> xCoordinate;

@Array(64)

external Array<Uint8> yCoordinate;

@Array(32)

external Array<Uint8> hash;

@Uint32()

external int cipherLen;

@Array.variable()

external Array<Uint8> cipher;

static Pointer<Struct_ECCCIPHERBLOB> allocate(final int length) {

final lengthInBytes = lengthBytes(length);

final result = calloc.allocate<Struct_ECCCIPHERBLOB>(lengthInBytes);

result.ref.cipherLen = length;

return result;

}

static int lengthBytes(final int length) {

return sizeOf<Struct_ECCCIPHERBLOB>() + sizeOf<Uint8>() * length;

}

int lengthInBytes() {

return lengthBytes(cipherLen);

}

class SkfLib {

/// 动态库加载

late final DynamicLibrary? _skfLib;

late final int Function(

int bPresent, Pointer<Uint8> szNameList, Pointer<Uint32> pulSize)?

_skfEnumDev;

late final int Function(Pointer<Utf8> szName, Pointer<Pointer<Void>> phDev)?

_skfConnectDev;

late final int Function(Pointer<Void> hDev)? _skfDisConnectDev;

late final int Function(Pointer<Void> hDev, Pointer<Utf8> szAppName,

Pointer<Pointer<Void>> phApplication)? _skfOpenApplication;

late final int Function(Pointer<Void> hDev, Pointer<Uint8> szAppName,

Pointer<Uint32> pulSize)? _skfEnumApplication;

late final int Function(Pointer<Void> hApplication)? _skfCloseApplication;

late final int Function(

Pointer<Void> hApplication,

Pointer<Uint8> szContainerName,

Pointer<Uint32> pulSize)? _skfEnumContainer;

late final int Function(

Pointer<Void> hApplication,

Pointer<Utf8> szContainerName,

Pointer<Pointer<Void>> phContainer)? _skfOpenContainer;

late final int Function(Pointer<Void> hContainer)? _skfCloseContainer;

late final int Function(

Pointer<Void> hContainer,

int bSignFlag,

Pointer<Struct_ECCPUBLICKEYBLOB> pbBlob,

Pointer<Uint32> pulBlobLen)? _skfExportPublicKey;

late final int Function(Pointer<Void> hContainer, int bSignFlag,

Pointer<Uint8> pbCert, Pointer<Uint32> pulCertLen)? _skfExportCertificate;

late final int Function(

Pointer<Void> hDev,

Pointer<Struct_ECCPUBLICKEYBLOB> pECCPubKeyBlob,

Pointer<Utf8> pbPlainText,

int ulPlainTextLen,

Pointer<Struct_ECCCIPHERBLOB> pCipherText)? _skfExtECCEncrypt;

late final int Function(

Pointer<Void> hContainer,

int bSignFlag,

Pointer<Struct_ECCCIPHERBLOB> pCipherText,

Pointer<Uint8> pbData,

Pointer<Uint32> pbDataLen)? _skfECCDecrypt;

late final int Function(

Pointer<Void> hContainer,

int ulAlgID,

Pointer<Utf8> pbPlainText,

int ulPlainTextLen,

Pointer<Struct_ECCSIGNATUREBLOB> pSignature)? _skfECCDigestSignData;

late final int Function(

Pointer<Void> hContainer,

int ulAlgID,

Pointer<Utf8> pbPlainText,

int ulPlainTextLen,

Pointer<Struct_ECCSIGNATUREBLOB> pSignature)? _skfECCSignDataEx;

late final int Function(Pointer<Void> hApplication, int ulPINType,

Pointer<Utf8> szPIN, Pointer<Uint32> pulRetryCount)? _skfVerifyPIN;

SkfLib(final String dllPath) {

try {

_skfLib = Platform.isMacOS || Platform.isIOS

? DynamicLibrary.process()

: DynamicLibrary.open(dllPath); // 加载dll,获取句柄

} catch (e) {

_skfLib = null;

debugPrint('SkfLib Load Failed: $e');

}

// 获取函数指针

const fnEnumDev = "SKF_EnumDev";

if (_providesSymbol(fnEnumDev)) {

_skfEnumDev = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(

Uint32, Pointer<Uint8>, Pointer<Uint32>)>>(fnEnumDev)

.asFunction();

} else {

_skfEnumDev = null;

}

const fnConnectDev = "SKF_ConnectDev";

if (_providesSymbol(fnConnectDev)) {

_skfConnectDev = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(

Pointer<Utf8>, Pointer<Pointer<Void>>)>>(fnConnectDev)

.asFunction();

} else {

_skfConnectDev = null;

}

const fnDisConnectDev = "SKF_DisConnectDev";

if (_providesSymbol(fnDisConnectDev)) {

_skfDisConnectDev = _skfLib!

.lookup<NativeFunction<Uint32 Function(Pointer<Void>)>>(

fnDisConnectDev)

.asFunction();

} else {

_skfDisConnectDev = null;

}

const fnEnumApplication = "SKF_EnumApplication";

if (_providesSymbol(fnEnumApplication)) {

_skfEnumApplication = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Pointer<Uint8>,

Pointer<Uint32>)>>(fnEnumApplication)

.asFunction();

} else {

_skfEnumApplication = null;

}

const fnOpenApplication = "SKF_OpenApplication";

if (_providesSymbol(fnOpenApplication)) {

_skfOpenApplication = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Pointer<Utf8>,

Pointer<Pointer<Void>>)>>(fnOpenApplication)

.asFunction();

} else {

_skfOpenApplication = null;

}

const fnCloseApplication = "SKF_CloseApplication";

if (_providesSymbol(fnCloseApplication)) {

_skfCloseApplication = _skfLib!

.lookup<NativeFunction<Uint32 Function(Pointer<Void>)>>(

fnCloseApplication)

.asFunction();

} else {

_skfCloseApplication = null;

}

const fnEnumContainer = "SKF_EnumContainer";

if (_providesSymbol(fnEnumContainer)) {

_skfEnumContainer = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Pointer<Uint8>,

Pointer<Uint32>)>>(fnEnumContainer)

.asFunction();

} else {

_skfEnumContainer = null;

}

const fnOpenContainer = "SKF_OpenContainer";

if (_providesSymbol(fnOpenContainer)) {

_skfOpenContainer = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Pointer<Utf8>,

Pointer<Pointer<Void>>)>>(fnOpenContainer)

.asFunction();

} else {

_skfOpenContainer = null;

}

const fnCloseContainer = "SKF_CloseContainer";

if (_providesSymbol(fnCloseContainer)) {

_skfCloseContainer = _skfLib!

.lookup<NativeFunction<Uint32 Function(Pointer<Void>)>>(

fnCloseContainer)

.asFunction();

} else {

_skfCloseContainer = null;

}

const fnExportPublicKey = "SKF_ExportPublicKey";

if (_providesSymbol(fnExportPublicKey)) {

_skfExportPublicKey = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(

Pointer<Void>,

Uint32,

Pointer<Struct_ECCPUBLICKEYBLOB>,

Pointer<Uint32>)>>(fnExportPublicKey)

.asFunction();

} else {

_skfExportPublicKey = null;

}

const fnExportCertificate = "SKF_ExportCertificate";

if (_providesSymbol(fnExportCertificate)) {

_skfExportCertificate = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Uint32, Pointer<Uint8>,

Pointer<Uint32>)>>(fnExportCertificate)

.asFunction();

} else {

_skfExportCertificate = null;

}

const fnExtECCEncrypt = "SKF_ExtECCEncrypt";

if (_providesSymbol(fnExtECCEncrypt)) {

_skfExtECCEncrypt = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(

Pointer<Void>,

Pointer<Struct_ECCPUBLICKEYBLOB>,

Pointer<Utf8>,

Uint32,

Pointer<Struct_ECCCIPHERBLOB>)>>(fnExtECCEncrypt)

.asFunction();

} else {

_skfExtECCEncrypt = null;

}

const fnECCDecrypt = "SKF_ECCDecrypt";

if (_providesSymbol(fnECCDecrypt)) {

_skfECCDecrypt = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(

Pointer<Void>,

Uint32,

Pointer<Struct_ECCCIPHERBLOB>,

Pointer<Uint8>,

Pointer<Uint32>)>>(fnECCDecrypt)

.asFunction();

} else {

_skfECCDecrypt = null;

}

const fnECCDigestSignData = "SKF_ECCDigestSignData";

if (_providesSymbol(fnECCDigestSignData)) {

_skfECCDigestSignData = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Uint32, Pointer<Utf8>, Uint32,

Pointer<Struct_ECCSIGNATUREBLOB>)>>(fnECCDigestSignData)

.asFunction();

} else {

_skfECCDigestSignData = null;

}

const fnECCSignDataEx = "SKF_ECCSignDataEx";

if (_providesSymbol(fnECCSignDataEx)) {

_skfECCSignDataEx = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Uint32, Pointer<Utf8>, Uint32,

Pointer<Struct_ECCSIGNATUREBLOB>)>>(fnECCSignDataEx)

.asFunction();

} else {

_skfECCSignDataEx = null;

}

const fnVerifyPIN = "SKF_VerifyPIN";

if (_providesSymbol(fnVerifyPIN)) {

_skfVerifyPIN = _skfLib!

.lookup<

NativeFunction<

Uint32 Function(Pointer<Void>, Uint32, Pointer<Utf8>,

Pointer<Uint32>)>>(fnVerifyPIN)

.asFunction();

} else {

_skfVerifyPIN = null;

}

/// Checks whether this dynamic library provides a symbol with the given name.

bool _providesSymbol(final String symbolName) {

return _skfLib?.providesSymbol(symbolName) ?? false;

}

@mustCallSuper

void close() {

_skfLib?.close();

}

/// 功能描述：

///

/// 获得当前系统中的设备列表。

///

/// 参数：

///

/// [bPresent] [IN] 为 TRUE 表示获取当前设备状态为存在的设备列表。

/// 为 FALSE 表示取当前取得支持的设备列表。

///

/// [szNameList] [OUT] 设备名称列表。如果该参数为 NULL ，将由 pulSize 返回所需要的内存空间大小。

/// 每个设备的名称以单个 '\0' 结束，以双 '\0' 表示列表结束。

///

/// [pulSize] [IN, OUT] 输入时表示设备名称列表的缓冲区长度，输出时表示 szNameList 所占用的空间大小。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_EnumDev(final int bPresent, final Pointer<Uint8> szNameList,

final Pointer<Uint32> pulSize) {

if (null != _skfEnumDev) {

return _skfEnumDev(bPresent, szNameList, pulSize);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 通过设备名称连接设备，返回设备的句柄。

///

/// 参数：

///

/// [szName] [IN] 设备名称。

///

/// [phDev] [OUT] 返回设备操作句柄。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_ConnectDev(

final Pointer<Utf8> szName, final Pointer<Pointer<Void>> phDev) {

if (null != _skfConnectDev) {

return _skfConnectDev(szName, phDev);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 断开一个已经连接的设备，并释放句柄。

///

/// 参数：

///

/// [hDev] [IN] 连接设备时返回的设备句柄。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_DisConnectDev(final Pointer<Void> hDev) {

if (null != _skfDisConnectDev) {

return _skfDisConnectDev(hDev);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 枚举设备中存在的所有应用。

///

/// 参数：

///

/// [hDev] [IN] 连接设备时返回的设备句柄。

///

/// [szAppName] [OUT] 返回应用名称列表，如果该参数为空，将由 pulSize 返回所需要的内存空间大小。

/// 每个应用的名称以单个 '\0' 结束，以双 '\0' 表示列表结束。

///

/// [pulSize] [IN, OUT] 输入时表示应用名称列表的缓冲区长度，输出时表示 szAppName 所占用的空间大小。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_EnumApplication(final Pointer<Void> hDev,

final Pointer<Uint8> szAppName, final Pointer<Uint32> pulSize) {

if (null != _skfEnumApplication) {

return _skfEnumApplication(hDev, szAppName, pulSize);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 打开指定的应用。

///

/// 参数：

///

/// [hDev] [IN] 连接设备时返回的设备句柄。

///

/// [szAppName] [IN] 应用名称。

///

/// [phApplication] [OUT] 应用的句柄。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_OpenApplication(

final Pointer<Void> hDev,

final Pointer<Utf8> szAppName,

final Pointer<Pointer<Void>> phApplication) {

if (null != _skfOpenApplication) {

return _skfOpenApplication(hDev, szAppName, phApplication);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 关闭应用并释放应用句柄。

///

/// 参数：

///

/// [hApplication] [IN] 应用句柄。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_CloseApplication(final Pointer<Void> hApplication) {

if (null != _skfCloseApplication) {

return _skfCloseApplication(hApplication);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 枚举容器下所有容器并返回容器名称列表。

///

/// 参数：

///

/// [hApplication] [IN] 应用句柄。

///

/// [szContainerName] [OUT] 指向容器名称列表缓冲区，如果该参数为 NULL 时，pulSize 表示返回数据所需缓冲区的长度，

/// 如果此参数不为 NULL 时，返回容器名称列表，每个容器名以 '\0' 结束，列表以双 '\0' 结束。

///

/// [pulSize] [IN, OUT] 输入时表示 szContainerName 缓冲区长度，输出时表示容器名称列表的长度。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_EnumContainer(final Pointer<Void> hApplication,

final Pointer<Uint8> szContainerName, final Pointer<Uint32> pulSize) {

if (null != _skfEnumContainer) {

return _skfEnumContainer(hApplication, szContainerName, pulSize);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 获取容器句柄。

///

/// 参数：

///

/// [hApplication] [IN] 应用句柄。

///

/// [szContainerName] [IN] 容器的名称。

///

/// [phContainer] [OUT] 返回所打开容器的句柄。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_OpenContainer(

final Pointer<Void> hApplication,

final Pointer<Utf8> szContainerName,

final Pointer<Pointer<Void>> phContainer) {

if (null != _skfOpenContainer) {

return _skfOpenContainer(hApplication, szContainerName, phContainer);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 关闭容器句柄，并释放容器句柄相关资源。

///

/// 参数：

///

/// [hContainer] [IN] 容器句柄。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_CloseContainer(final Pointer<Void> hContainer) {

if (null != _skfCloseContainer) {

return _skfCloseContainer(hContainer);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 从导出公钥。

///

/// 参数：

///

/// [hContainer] [IN] 容器句柄。

///

/// [bSignFlag] [IN] TRUE 表示签名证书，FALSE 表示加密证书。

///

/// [pbBlob] [OUT] 指向公钥内容缓冲区，如果此参数为 NULL 时，pulBlobLen 返回数据所需要

/// 缓冲区长度，如果此参数不为 NULL 时，返回公钥内容。

///

/// [pulBlobLen] [IN/OUT] 输入时表示 pbBlob 缓冲区的长度，输出时表示证书内容的长度。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_ExportPublicKey(

final Pointer<Void> hContainer,

final int bSignFlag,

final Pointer<Struct_ECCPUBLICKEYBLOB> pbBlob,

final Pointer<Uint32> pulBlobLen) {

if (null != _skfExportPublicKey) {

return _skfExportPublicKey(hContainer, bSignFlag, pbBlob, pulBlobLen);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 从容器内导出数字证书。

///

/// 参数：

///

/// [hContainer] [IN] 容器句柄。

///

/// [bSignFlag] [IN] TRUE 表示签名证书，FALSE 表示加密证书。

///

/// [pbCert] [OUT] 指向证书内容缓冲区，如果此参数为 NULL 时，pulCertLen 返回数据所需要

/// 缓冲区长度，如果此参数不为 NULL 时，返回数字证书内容。

///

/// [pulCertLen] [IN/OUT] 输入时表示 pbCert 缓冲区的长度，输出时表示证书内容的长度。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_ExportCertificate(final Pointer<Void> hContainer, final int bSignFlag,

final Pointer<Uint8> pbCert, final Pointer<Uint32> pulCertLen) {

if (null != _skfExportCertificate) {

return _skfExportCertificate(hContainer, bSignFlag, pbCert, pulCertLen);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 使用外部传入的 ECC 公钥对输入数据做加密运算并输出结果。

///

/// 参数：

///

/// [hDev] [IN] 设备句柄。

///

/// [pECCPubKeyBlob] [IN] ECC公钥数据结构。

///

/// [pbPlainText] [IN] 待加密的明文数据。

///

/// [ulPlainTextLen] [IN] 待加密的明文数据长度。

///

/// [pCipherText] [OUT] 密文数据。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_ExtECCEncrypt(

final Pointer<Void> hDev,

final Pointer<Struct_ECCPUBLICKEYBLOB> pECCPubKeyBlob,

final Pointer<Utf8> pbPlainText,

final int ulPlainTextLen,

final Pointer<Struct_ECCCIPHERBLOB> pCipherText) {

if (null != _skfExtECCEncrypt) {

return _skfExtECCEncrypt(

hDev, pECCPubKeyBlob, pbPlainText, ulPlainTextLen, pCipherText);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 私钥解密。

///

/// 参数：

///

/// [hContainer] [IN] 密钥容器句柄。

///

/// [bSignFlag] [IN] TRUE 表示签名证书，FALSE 表示加密证书。

///

/// [pCipherText] [IN] 加密数据的结构。

///

/// [pbData] [OUT] 解密后的明文数据。

///

/// [pbDataLen] [OUT] 明文数据长度。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_ECCDecrypt(

final Pointer<Void> hContainer,

final int bSignFlag,

final Pointer<Struct_ECCCIPHERBLOB> pCipherText,

final Pointer<Uint8> pbData,

final Pointer<Uint32> pbDataLen) {

if (null != _skfECCDecrypt) {

return _skfECCDecrypt(

hContainer, bSignFlag, pCipherText, pbData, pbDataLen);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 厂商实现的 ECC 数据签名扩展。

///

/// 参数：

///

/// [hContainer] [IN] 密钥容器句柄。

///

/// [ulAlgID] [IN] 杂凑算法标识，这里选择SGD_SM3（0x00000001），表明使用SM3算法。

///

/// [pbPlainText] [IN] 待签名的明文数据。

///

/// [ulPlainTextLen] [IN] 待签名的明文数据长度。

///

/// [pSignature] [OUT] 签名结果。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_ECCSignDataEx(

final Pointer<Void> hContainer,

final int ulAlgID,

final Pointer<Utf8> pbPlainText,

final int ulPlainTextLen,

final Pointer<Struct_ECCSIGNATUREBLOB> pSignature) {

// WQ 扩展接口 SKF_ECCSignDataEx

// FT/HB 扩展接口 SKF_ECCDigestSignData

if (null != _skfECCDigestSignData) {

return _skfECCDigestSignData(

hContainer, ulAlgID, pbPlainText, ulPlainTextLen, pSignature);

} else if (null != _skfECCSignDataEx) {

return _skfECCSignDataEx(

hContainer, ulAlgID, pbPlainText, ulPlainTextLen, pSignature);

}

return SAR_NOTEXPORTERR;

}

/// 功能描述：

///

/// 校验 PIN 码。校验成功后，会获得相应的权限，如果 PIN 码错误，会返回 PIN 码的重试次数，

/// 当重试次数为 0 时表示 PIN 码已经锁死。

///

/// 参数：

///

/// [hApplication] [IN] 应用句柄。

///

/// [ulPINType] [IN] PIN 类型。 0 是管理员账户，1 为普通用户，这个参数一般选择 1。

///

/// [szPIN] [IN] PIN 值。

///

/// [pulRetryCount] [OUT] 出错后返回的重试次数。

///

/// 返回值：

///

/// SAR_OK : 成功。

///

/// 其他：错误码。

// ignore: non_constant_identifier_names

int SKF_VerifyPIN(final Pointer<Void> hApplication, final int ulPINType,

final Pointer<Utf8> szPIN, final Pointer<Uint32> pulRetryCount) {

if (null != _skfVerifyPIN) {

return _skfVerifyPIN(hApplication, ulPINType, szPIN, pulRetryCount);

}

return SAR_NOTEXPORTERR;

}

import 'dart:convert';
import 'dart:ffi';
import 'dart:typed_data';

import 'package:convert/convert.dart';
import 'package:ffi/ffi.dart';
import 'package:pkcs7/pkcs7.dart';
import 'package:pointycastle/asn1.dart';

import 'skf_lib.dart';

class SkfProvider extends SkfLib {
  /// 设备名
  late final String _devName;

  /// 设备句柄
  late Pointer<Void> _devHandle;

  /// 应用名
  late final String _appName;

  /// 应用句柄
  late Pointer<Void> _appHandle;

  /// 容器名
  late final List<String> _cntNames;

  /// 容器句柄
  late Pointer<Void> _cntHandle;

  int error = 0;

  SkfProvider(super.dllPath) {
    _initHandle();
  }

  /// 句柄获取
  ///
  /// 获取设备、应用、容器句柄
  _initHandle() {
    _devName = _getDevName(); // 获取设备名
    _devHandle = _connectDev(); // 获取设备句柄 需要用到设备名
    _appName = _getAppName(); // 获取应用名
    _appHandle = _openApplication(); // 定义应用句柄
    _cntNames = _getCntNames(); // 获取容器名
    if (0 == error) {
      /// 获取容器名的时候返回的error为0，正常执行
      /// 此处选择第一个容器作为ECC密钥对，如果第一个不是ECC密钥对，可能导致应用闪退
      /// 请根据实际情况进行相关调整
      _cntHandle = _openContainer(_cntNames[1]);
    }
  }

  /// 句柄释放
  ///
  /// 释放设备、应用、容器句柄
  @override
  close() {
    if (nullptr != _cntHandle) {
      SKF_CloseContainer(_cntHandle);
      _cntHandle = nullptr;
    }
    if (nullptr != _appHandle) {
      SKF_CloseApplication(_appHandle);
      _appHandle = nullptr;
    }
    if (nullptr != _devHandle) {
      SKF_DisConnectDev(_devHandle);
      _devHandle = nullptr;
    }
    super.close();
  }

  /// 获取设备名
  ///
  /// 多设备的情况只会获取到第一个设备
  String _getDevName() {
    final pulSize = calloc<Uint32>(); // 为指针分配内存
    error = SKF_EnumDev(TRUE, nullptr, pulSize);
    final szNameList = calloc.allocate<Uint8>(pulSize.value); //为szNameList分配内存
    error = SKF_EnumDev(TRUE, szNameList, pulSize);
    calloc.free(pulSize);
    final String devName = szNameList.cast<Utf8>().toDartString();
    calloc.free(szNameList);
    return devName;
  }

  Pointer<Void> _connectDev() {
    final phDev = calloc<Pointer<Void>>();
    error = SKF_ConnectDev(_devName.toNativeUtf8(), phDev); // 连接设备
    final res = phDev.value;
    calloc.free(phDev);
    return res;
  }

  String _getAppName() {
    final pulSize = calloc<Uint32>(); // 用于获取应用名长度
    error = SKF_EnumApplication(_devHandle, nullptr, pulSize);
    final szNameList = calloc<Uint8>(pulSize.value); //为szNameList分配内存
    error = SKF_EnumApplication(
        _devHandle, szNameList, pulSize); // 获取应用名，这里默认返回第一个应用名
    calloc.free(pulSize);
    final String appName = szNameList.cast<Utf8>().toDartString();
    calloc.free(szNameList);
    return appName;
  }

  Pointer<Void> _openApplication() {
    final phApp = calloc<Pointer<Void>>();
    error =
        SKF_OpenApplication(_devHandle, _appName.toNativeUtf8(), phApp); // 打开应用
    final res = phApp.value;
    calloc.free(phApp);
    return res;
  }

  List<String> _getCntNames() {
    final List<String> cntNames = [];
    using((Arena arena) {
      final pulSize = arena<Uint32>(); // 用于获取应用名长度:
      error = SKF_EnumContainer(_appHandle, nullptr, pulSize);
      final szNameList = arena<Uint8>(pulSize.value); //为szNameList分配内存
      // 由于szNameList是以'\0'为分隔符，获取多个容器名列表切分获取
      error = SKF_EnumContainer(_appHandle, szNameList, pulSize);
      int start = 0;
      final Utf8Decoder decoder = const Utf8Decoder(allowMalformed: true);
      final szNameListArr = szNameList.asTypedList(pulSize.value);
      for (int i = 0; i < pulSize.value; i++) {
        if (0 == szNameList[i]) {
          if (0 != szNameList[start]) {
            final name = decoder.convert(szNameListArr, start, i);
            cntNames.add(name);
            start = i + (i <= pulSize.value - 1 ? 1 : 0); // 此处提防最后一个字符越界
          }
        }
      }
    });
    return cntNames; // 容器列表
  }

  Pointer<Void> _openContainer(final String cntName) {
    final phCnt = calloc<Pointer<Void>>(); // 容器句柄
    error =
        SKF_OpenContainer(_appHandle, cntName.toNativeUtf8(), phCnt); // 打开容器
    final res = phCnt.value;
    calloc.free(phCnt);
    return res;
  }

  /// 1-导出ECC的加密密钥对的公钥
  ///
  /// 2-用公钥加密SKF_ExtECCEncrypt
  Pointer<Struct_ECCCIPHERBLOB> eccEncrypt(final String plainText) {
    // 创建公钥接收对象
    final pbBlob = calloc<Struct_ECCPUBLICKEYBLOB>();
    final pulBlobLen = calloc<Uint32>();
    pulBlobLen.value = pbBlob.ref.lengthInBytes();
    error = SKF_ExportPublicKey(_cntHandle, FALSE, pbBlob, pulBlobLen);
    calloc.free(pulBlobLen);

    final pCipherText = Struct_ECCCIPHERBLOB.allocate(plainText.length);
    final nativeText = plainText.toNativeUtf8();
    // 用公钥进行加密
    error = SKF_ExtECCEncrypt(
        _devHandle, pbBlob, nativeText, nativeText.length, pCipherText);

    calloc.free(pbBlob);

    return pCipherText;
  }

  /// 1-导出ECC的加密密钥对的公钥
  ///
  /// 2-用公钥加密SKF_ExtECCEncrypt
  ///
  /// 3-转成Hex字符串
  String eccEncryptHex(final String plainText) {
    final cipherText = eccEncrypt(plainText);
    // 将密文结构内容转成Hex字符串
    final res = cipherTextToStrHex(cipherText);
    calloc.free(cipherText);
    return res;
  }

  String eccDecrypt(final Pointer<Struct_ECCCIPHERBLOB> cipherText) {
    var plainText = "";
    using((Arena arena) {
      final plainTextLen = arena<Uint32>();
      // 解密，传None，获得plain_text的长度
      error =
          SKF_ECCDecrypt(_cntHandle, FALSE, cipherText, nullptr, plainTextLen);
      // plain_text分配空间
      final plainTextBuffer = arena<Uint8>(plainTextLen.value);
      // 解密
      error = SKF_ECCDecrypt(
          _cntHandle, FALSE, cipherText, plainTextBuffer, plainTextLen);

      // 返回明文
      plainText = plainTextBuffer.cast<Utf8>().toDartString();
    });

    return plainText;
  }

  String eccDecryptHex(final String cipherHex) {
    final cipherText = strHexToCipherText(cipherHex); // 先将Hex密文字符串转为ECC密文结构

    final res = eccDecrypt(cipherText); // 解密

    calloc.free(cipherText);
    return res;
  }

  Pointer<Struct_ECCSIGNATUREBLOB> eccSignEx(final String plainText) {
    // 签名返回结果
    final pbBlob = calloc<Struct_ECCSIGNATUREBLOB>();

    // WQ 扩展接口 SKF_ECCSignDataEx

    // FT/HB 扩展接口 SKF_ECCDigestSignData

    final nativeText = plainText.toNativeUtf8();
    error = SKF_ECCSignDataEx(
        _cntHandle, SGD_SM3, nativeText, nativeText.length, pbBlob);
    return pbBlob;
  }

  /// 1-对原文进行SM2签名
  ///
  /// 2-获取签名证书信息
  ///
  /// 3-返回签名证书字符数组，SM2签名结果 (ByteData, ByteData, ByteData)
  (ByteData, ByteData, ByteData) sm2Sign(final String plainText) {
    //签名
    final signRes = eccSignEx(plainText);

    // 取ECC签名的后 32 位 作为SM2签名，参考
    // https: // github.com/guanzhi/GmSSL/blob/master/src/skf/skf.c
    // SKF_ECCSIGNATUREBLOB_to_SM2_SIGNATURE
    const int validBytes = 32;
    final sm2R = ByteData(validBytes);
    for (int i = validBytes; i < 64; i++) {
      sm2R.setUint8(i - validBytes, signRes.ref.r[i]);
    }
    final sm2S = ByteData(validBytes);
    for (int i = validBytes; i < 64; i++) {
      sm2S.setUint8(i - validBytes, signRes.ref.s[i]);
    }

    calloc.free(signRes);

    var certDerBytes = ByteData(0);
    using((Arena arena) {
      // 导出签名证书
      final pulBlobLen = arena<Uint32>();
      error = SKF_ExportCertificate(_cntHandle, TRUE, nullptr, pulBlobLen);

      // 申请内存
      final certDer = arena<Uint8>(pulBlobLen.value);

      error = SKF_ExportCertificate(_cntHandle, TRUE, certDer, pulBlobLen);

      certDerBytes = ByteData(pulBlobLen.value);
      for (int i = 0; i < pulBlobLen.value; i++) {
        certDerBytes.setUint8(i, (certDer + i).value);
      }
    });

    return (certDerBytes, sm2R, sm2S);
  }

  /// 1-对原文进行签名
  ///
  /// 2-获取签名证书信息
  ///
  /// 3-对报文进行P7 DER格式封装
  Uint8List sm2SignP7DER(final String plainText) {
    final (certDer, sm2R, sm2S) = sm2Sign(plainText);
    return buildSm2SignP7DER(plainText, certDer, sm2R, sm2S);
  }

  /// 对报文进行签名，并对结果进行 P7 格式封装，返回结果使用HEX格式
  String sm2SignP7DERHex(final String plainText) {
    final res = sm2SignP7DER(plainText);
    return hex.encoder.convert(res);
  }

  ///  构建 P7 DER 格式的SM2签名报文
  ///
  ///  1-plainText 签名原文
  ///
  ///  2-certDer DER格式的签名证书
  ///
  ///  3-sm2R SM2格式签名返回的 r 32位字符数组
  ///
  ///  4-sm2S SM2格式签名返回的 s 32位字符数组
  Uint8List buildSm2SignP7DER(final String plainText, final ByteData certDer,
      final ByteData sm2R, final ByteData sm2S) {
    // ignore: constant_identifier_names
    const CONTEXT_SPECIFIC = ASN1Tags.TAGGED | ASN1Tags.CONSTRUCTED | 0; //A0

    // SM3 签名算法 OID
    final sm3DigestOid =
        ASN1ObjectIdentifier.fromIdentifierString("1.2.156.10197.1.401");
    // SM3 签名算法
    // 'digest_algorithms'
    final sm3DigestAlg = ASN1Sequence(elements: [
      sm3DigestOid,
      ASN1Null(),
    ]); // 签名算法类型 SM3withSM2

    // SM2 签名算法 OID
    final sm2SignOid =
        ASN1ObjectIdentifier.fromIdentifierString("1.2.156.10197.1.301.1");
    // SM2 签名算法
    final sm2SignAlg = ASN1Sequence(elements: [
      sm2SignOid,
      ASN1Null(),
    ]);

    final X509 cert = X509.fromDer(certDer.buffer.asUint8List());

    final certSet = ASN1Sequence(elements: [
      // 'certificate': cert  # 证书
      cert.asn1,
      // cert.signatureAlgorithmOI,
      // ASN1BitString.fromBytes(cert.signatureValue)
    ]);

    final signVal = BytesBuilder();
    signVal.add(sm2R.buffer.asUint8List());
    signVal.add(sm2S.buffer.asUint8List());

    final signerInfo = ASN1Sequence(elements: [
      // 'version'
      ASN1Integer.fromtInt(1),
      // 'sid' 签名证书信息 'issuer_and_serial_number'
      ASN1Sequence(elements: [
        // 'issuer'
        cert.asn1Issuer,
        // 'serial_number'
        ASN1Integer(cert.serialNumber)
      ]),
      // 'digest_algorithm'
      sm3DigestAlg, // 摘要算法
      // 'signature_algorithm'
      sm2SignAlg, // 签名算法
      // 'signature'
      ASN1OctetString(octets: signVal.toBytes()) // 签名信息 （OCTET STRING）
    ]);

    // 构建完整证书的 ASN.1 PKCS#7 SignedData 结构
    final signedData = ASN1Sequence(elements: [
      // 'version' 签名版本 v1
      ASN1Integer.fromtInt(1),
      // 'digest_algorithms' 签名算法
      ASN1Set(elements: [
        ASN1Sequence(elements: [
          // SM3withSM2
          sm3DigestOid, // 'algorithm'
          ASN1Null() // 'parameters'
        ])
      ]),
      // 'encap_content_info' 签名载核（业务）数据
      ASN1Sequence(elements: [
        // 载核（业务）数据类型 (PKCS #7)
        ASN1ObjectIdentifier.fromIdentifierString(
            '1.2.840.113549.1.7.1'), //'content_type'
        // 签名载核(业务)数据
        ASN1Set(elements: [
          ASN1OctetString(octets: utf8.encoder.convert(plainText))
        ], tag: CONTEXT_SPECIFIC) // 'content'
      ]),
      // 'certificates'  证书集合
      ASN1Set(elements: [certSet], tag: CONTEXT_SPECIFIC),
      // 'signer_infos' 签名信息
      ASN1Set(elements: [signerInfo])
    ]);

    // 数据传输封装
    final payloadContent = ASN1Sequence(elements: [
      // 数据类型 (PKCS #7)
      ASN1ObjectIdentifier.fromIdentifierString(
          '1.2.840.113549.1.7.2'), //'content_type'
      // 签名数据
      ASN1Set(elements: [signedData]) // 'content'
    ]);

    return payloadContent.encode();
  }

  /// PIN校验
  ///
  /// user_pin：字符串
  ///
  /// return：返回剩余尝试次数
  int verifyPIN(final String userPin) {
    var leftTimes = 0;
    final int ulPINType = 1; // PIN类型，1表示用户PIN
    using((Arena arena) {
      final pulRetryCount = arena<Uint32>(); // PIN剩余尝试次数
      // 调用验证PIN接口
      error = SKF_VerifyPIN(
          _appHandle, ulPINType, userPin.toNativeUtf8(), pulRetryCount);
      leftTimes = pulRetryCount.value;
    });
    return leftTimes;
  }

  /// 将Hex字符串转成ECC密文结构
  ///
  /// strHex：Hex字符串
  ///
  /// return：ECC密文结构
  Pointer<Struct_ECCCIPHERBLOB> strHexToCipherText(final String strHex) {
    // 密文结构中 Cipher 长度（C3）
    final cipherLen =
        (strHex.length - Struct_ECCCIPHERBLOB.lengthBytes(0) * 2) ~/ 2;
    final pCipherText =
        Struct_ECCCIPHERBLOB.allocate(cipherLen); // 声明pCipherText密文结构变量

    final xCoordinateHex =
        strHex.substring(0, 64); // 获取密文结构的 XCoordinate 的Hex字符串
    final yCoordinateHex =
        strHex.substring(64, 128); // 获取密文结构的 YCoordinate 的Hex字符串
    final hashHex = strHex.substring(128, 192); // 获取密文结构的 HASH 的Hex字符串
    final cipherTextHex = strHex.substring(192); // C2：密文结构中的Cipher
    // 为密文结构中的每部分赋值
    for (int i = 0; i < 32; i++) {
      pCipherText.ref.xCoordinate[32 + i] =
          int.parse(xCoordinateHex.substring(i * 2, 2), radix: 16);
    }
    for (int i = 0; i < 32; i++) {
      pCipherText.ref.yCoordinate[32 + i] =
          int.parse(yCoordinateHex.substring(i * 2, 2), radix: 16);
    }
    for (int i = 0; i < 32; i++) {
      pCipherText.ref.hash[i] =
          int.parse(hashHex.substring(i * 2, 2), radix: 16);
    }
    // 密文部分转为Uint8类型
    for (int i = 0; i < cipherLen; i++) {
      pCipherText.ref.cipher[i] =
          int.parse(cipherTextHex.substring(i * 2, 2), radix: 16);
    }
    return pCipherText;
  }

  /// 将ECC密文结构转成Hex字符串
  String cipherTextToStrHex(final Pointer<Struct_ECCCIPHERBLOB> cipherText) {
    final textHex = StringBuffer();
    // 将密文结构内容转成Hex字符串
    for (int i = 32; i < 64; i++) {
      // 获取密文结构中 XCoordinate
      textHex.write(
          cipherText.ref.xCoordinate[i].toRadixString(16).padLeft(2, '0'));
    }
    for (int i = 32; i < 64; i++) {
      // 获取密文结构中 YCoordinate
      textHex.write(
          cipherText.ref.yCoordinate[i].toRadixString(16).padLeft(2, '0'));
    }
    for (int i = 0; i < 32; i++) {
      // 获取密文结构中 HASH
      textHex.write(cipherText.ref.hash[i].toRadixString(16).padLeft(2, '0'));
    }
    for (int i = 0; i < cipherText.ref.cipherLen; i++) {
      // 将 Cipher 转成Hex字符串
      textHex.write(cipherText.ref.cipher[i].toRadixString(16).padLeft(2, '0'));
    }
    return textHex.toString().toUpperCase();
  }
}

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import 'dart:convert';

import 'dart:ffi';

import 'dart:typed_data';

import 'package:convert/convert.dart';

import 'package:ffi/ffi.dart';

import 'package:pkcs7/pkcs7.dart';

import 'package:pointycastle/asn1.dart';

import 'skf_lib.dart';

class SkfProvider extends SkfLib {

/// 设备名

late final String _devName;

/// 设备句柄

late Pointer<Void> _devHandle;

/// 应用名

late final String _appName;

/// 应用句柄

late Pointer<Void> _appHandle;

/// 容器名

late final List<String> _cntNames;

/// 容器句柄

late Pointer<Void> _cntHandle;

int error = 0;

SkfProvider(super.dllPath) {

_initHandle();

}

/// 句柄获取

///

/// 获取设备、应用、容器句柄

_initHandle() {

_devName = _getDevName(); // 获取设备名

_devHandle = _connectDev(); // 获取设备句柄需要用到设备名

_appName = _getAppName(); // 获取应用名

_appHandle = _openApplication(); // 定义应用句柄

_cntNames = _getCntNames(); // 获取容器名

if (0 == error) {

/// 获取容器名的时候返回的error为0，正常执行

/// 此处选择第一个容器作为ECC密钥对，如果第一个不是ECC密钥对，可能导致应用闪退

/// 请根据实际情况进行相关调整

_cntHandle = _openContainer(_cntNames[1]);

}

/// 句柄释放

///

/// 释放设备、应用、容器句柄

@override

close() {

if (nullptr != _cntHandle) {

SKF_CloseContainer(_cntHandle);

_cntHandle = nullptr;

}

if (nullptr != _appHandle) {

SKF_CloseApplication(_appHandle);

_appHandle = nullptr;

}

if (nullptr != _devHandle) {

SKF_DisConnectDev(_devHandle);

_devHandle = nullptr;

}

super.close();

}

/// 获取设备名

///

/// 多设备的情况只会获取到第一个设备

String _getDevName() {

final pulSize = calloc<Uint32>(); // 为指针分配内存

error = SKF_EnumDev(TRUE, nullptr, pulSize);

final szNameList = calloc.allocate<Uint8>(pulSize.value); //为szNameList分配内存

error = SKF_EnumDev(TRUE, szNameList, pulSize);

calloc.free(pulSize);

final String devName = szNameList.cast<Utf8>().toDartString();

calloc.free(szNameList);

return devName;

}

Pointer<Void> _connectDev() {

final phDev = calloc<Pointer<Void>>();

error = SKF_ConnectDev(_devName.toNativeUtf8(), phDev); // 连接设备

final res = phDev.value;

calloc.free(phDev);

return res;

}

String _getAppName() {

final pulSize = calloc<Uint32>(); // 用于获取应用名长度

error = SKF_EnumApplication(_devHandle, nullptr, pulSize);

final szNameList = calloc<Uint8>(pulSize.value); //为szNameList分配内存

error = SKF_EnumApplication(

_devHandle, szNameList, pulSize); // 获取应用名，这里默认返回第一个应用名

calloc.free(pulSize);

final String appName = szNameList.cast<Utf8>().toDartString();

calloc.free(szNameList);

return appName;

}

Pointer<Void> _openApplication() {

final phApp = calloc<Pointer<Void>>();

error =

SKF_OpenApplication(_devHandle, _appName.toNativeUtf8(), phApp); // 打开应用

final res = phApp.value;

calloc.free(phApp);

return res;

}

List<String> _getCntNames() {

final List<String> cntNames = [];

using((Arena arena) {

final pulSize = arena<Uint32>(); // 用于获取应用名长度:

error = SKF_EnumContainer(_appHandle, nullptr, pulSize);

final szNameList = arena<Uint8>(pulSize.value); //为szNameList分配内存

// 由于szNameList是以'\0'为分隔符，获取多个容器名列表切分获取

error = SKF_EnumContainer(_appHandle, szNameList, pulSize);

int start = 0;

final Utf8Decoder decoder = const Utf8Decoder(allowMalformed: true);

final szNameListArr = szNameList.asTypedList(pulSize.value);

for (int i = 0; i < pulSize.value; i++) {

if (0 == szNameList[i]) {

if (0 != szNameList[start]) {

final name = decoder.convert(szNameListArr, start, i);

cntNames.add(name);

start = i + (i <= pulSize.value - 1 ? 1 : 0); // 此处提防最后一个字符越界

}

});

return cntNames; // 容器列表

}

Pointer<Void> _openContainer(final String cntName) {

final phCnt = calloc<Pointer<Void>>(); // 容器句柄

error =

SKF_OpenContainer(_appHandle, cntName.toNativeUtf8(), phCnt); // 打开容器

final res = phCnt.value;

calloc.free(phCnt);

return res;

}

/// 1-导出ECC的加密密钥对的公钥

///

/// 2-用公钥加密SKF_ExtECCEncrypt

Pointer<Struct_ECCCIPHERBLOB> eccEncrypt(final String plainText) {

// 创建公钥接收对象

final pbBlob = calloc<Struct_ECCPUBLICKEYBLOB>();

final pulBlobLen = calloc<Uint32>();

pulBlobLen.value = pbBlob.ref.lengthInBytes();

error = SKF_ExportPublicKey(_cntHandle, FALSE, pbBlob, pulBlobLen);

calloc.free(pulBlobLen);

final pCipherText = Struct_ECCCIPHERBLOB.allocate(plainText.length);

final nativeText = plainText.toNativeUtf8();

// 用公钥进行加密

error = SKF_ExtECCEncrypt(

_devHandle, pbBlob, nativeText, nativeText.length, pCipherText);

calloc.free(pbBlob);

return pCipherText;

}

/// 1-导出ECC的加密密钥对的公钥

///

/// 2-用公钥加密SKF_ExtECCEncrypt

///

/// 3-转成Hex字符串

String eccEncryptHex(final String plainText) {

final cipherText = eccEncrypt(plainText);

// 将密文结构内容转成Hex字符串

final res = cipherTextToStrHex(cipherText);

calloc.free(cipherText);

return res;

}

String eccDecrypt(final Pointer<Struct_ECCCIPHERBLOB> cipherText) {

var plainText = "";

using((Arena arena) {

final plainTextLen = arena<Uint32>();

// 解密，传None，获得plain_text的长度

error =

SKF_ECCDecrypt(_cntHandle, FALSE, cipherText, nullptr, plainTextLen);

// plain_text分配空间

final plainTextBuffer = arena<Uint8>(plainTextLen.value);

// 解密

error = SKF_ECCDecrypt(

_cntHandle, FALSE, cipherText, plainTextBuffer, plainTextLen);

// 返回明文

plainText = plainTextBuffer.cast<Utf8>().toDartString();

});

return plainText;

}

String eccDecryptHex(final String cipherHex) {

final cipherText = strHexToCipherText(cipherHex); // 先将Hex密文字符串转为ECC密文结构

final res = eccDecrypt(cipherText); // 解密

calloc.free(cipherText);

return res;

}

Pointer<Struct_ECCSIGNATUREBLOB> eccSignEx(final String plainText) {

// 签名返回结果

final pbBlob = calloc<Struct_ECCSIGNATUREBLOB>();

// WQ 扩展接口 SKF_ECCSignDataEx

// FT/HB 扩展接口 SKF_ECCDigestSignData

final nativeText = plainText.toNativeUtf8();

error = SKF_ECCSignDataEx(

_cntHandle, SGD_SM3, nativeText, nativeText.length, pbBlob);

return pbBlob;

}

/// 1-对原文进行SM2签名

///

/// 2-获取签名证书信息

///

/// 3-返回签名证书字符数组，SM2签名结果 (ByteData, ByteData, ByteData)

(ByteData, ByteData, ByteData) sm2Sign(final String plainText) {

//签名

final signRes = eccSignEx(plainText);

// 取ECC签名的后 32 位作为SM2签名，参考

// https: // github.com/guanzhi/GmSSL/blob/master/src/skf/skf.c

// SKF_ECCSIGNATUREBLOB_to_SM2_SIGNATURE

const int validBytes = 32;

final sm2R = ByteData(validBytes);

for (int i = validBytes; i < 64; i++) {

sm2R.setUint8(i - validBytes, signRes.ref.r[i]);

}

final sm2S = ByteData(validBytes);

for (int i = validBytes; i < 64; i++) {

sm2S.setUint8(i - validBytes, signRes.ref.s[i]);

}

calloc.free(signRes);

var certDerBytes = ByteData(0);

using((Arena arena) {

// 导出签名证书

final pulBlobLen = arena<Uint32>();

error = SKF_ExportCertificate(_cntHandle, TRUE, nullptr, pulBlobLen);

// 申请内存

final certDer = arena<Uint8>(pulBlobLen.value);

error = SKF_ExportCertificate(_cntHandle, TRUE, certDer, pulBlobLen);

certDerBytes = ByteData(pulBlobLen.value);

for (int i = 0; i < pulBlobLen.value; i++) {

certDerBytes.setUint8(i, (certDer + i).value);

}

});

return (certDerBytes, sm2R, sm2S);

}

/// 1-对原文进行签名

///

/// 2-获取签名证书信息

///

/// 3-对报文进行P7 DER格式封装

Uint8List sm2SignP7DER(final String plainText) {

final (certDer, sm2R, sm2S) = sm2Sign(plainText);

return buildSm2SignP7DER(plainText, certDer, sm2R, sm2S);

}

/// 对报文进行签名，并对结果进行 P7 格式封装，返回结果使用HEX格式

String sm2SignP7DERHex(final String plainText) {

final res = sm2SignP7DER(plainText);

return hex.encoder.convert(res);

}

/// 构建 P7 DER 格式的SM2签名报文

///

/// 1-plainText 签名原文

///

/// 2-certDer DER格式的签名证书

///

/// 3-sm2R SM2格式签名返回的 r 32位字符数组

///

/// 4-sm2S SM2格式签名返回的 s 32位字符数组

Uint8List buildSm2SignP7DER(final String plainText, final ByteData certDer,

final ByteData sm2R, final ByteData sm2S) {

// ignore: constant_identifier_names

const CONTEXT_SPECIFIC = ASN1Tags.TAGGED | ASN1Tags.CONSTRUCTED | 0; //A0

// SM3 签名算法 OID

final sm3DigestOid =

ASN1ObjectIdentifier.fromIdentifierString("1.2.156.10197.1.401");

// SM3 签名算法

// 'digest_algorithms'

final sm3DigestAlg = ASN1Sequence(elements: [

sm3DigestOid,

ASN1Null(),

]); // 签名算法类型 SM3withSM2

// SM2 签名算法 OID

final sm2SignOid =

ASN1ObjectIdentifier.fromIdentifierString("1.2.156.10197.1.301.1");

// SM2 签名算法

final sm2SignAlg = ASN1Sequence(elements: [

sm2SignOid,

ASN1Null(),

]);

final X509 cert = X509.fromDer(certDer.buffer.asUint8List());

final certSet = ASN1Sequence(elements: [

// 'certificate': cert # 证书

cert.asn1,

// cert.signatureAlgorithmOI,

// ASN1BitString.fromBytes(cert.signatureValue)

]);

final signVal = BytesBuilder();

signVal.add(sm2R.buffer.asUint8List());

signVal.add(sm2S.buffer.asUint8List());

final signerInfo = ASN1Sequence(elements: [

// 'version'

ASN1Integer.fromtInt(1),

// 'sid' 签名证书信息 'issuer_and_serial_number'

ASN1Sequence(elements: [

// 'issuer'

cert.asn1Issuer,

// 'serial_number'

ASN1Integer(cert.serialNumber)

]),

// 'digest_algorithm'

sm3DigestAlg, // 摘要算法

// 'signature_algorithm'

sm2SignAlg, // 签名算法

// 'signature'

ASN1OctetString(octets: signVal.toBytes()) // 签名信息（OCTET STRING）

]);

// 构建完整证书的 ASN.1 PKCS#7 SignedData 结构

final signedData = ASN1Sequence(elements: [

// 'version' 签名版本 v1

ASN1Integer.fromtInt(1),

// 'digest_algorithms' 签名算法

ASN1Set(elements: [

ASN1Sequence(elements: [

// SM3withSM2

sm3DigestOid, // 'algorithm'

ASN1Null() // 'parameters'

])

]),

// 'encap_content_info' 签名载核（业务）数据

ASN1Sequence(elements: [

// 载核（业务）数据类型 (PKCS #7)

ASN1ObjectIdentifier.fromIdentifierString(

'1.2.840.113549.1.7.1'), //'content_type'

// 签名载核(业务)数据

ASN1Set(elements: [

ASN1OctetString(octets: utf8.encoder.convert(plainText))

], tag: CONTEXT_SPECIFIC) // 'content'

]),

// 'certificates' 证书集合

ASN1Set(elements: [certSet], tag: CONTEXT_SPECIFIC),

// 'signer_infos' 签名信息

ASN1Set(elements: [signerInfo])

]);

// 数据传输封装

final payloadContent = ASN1Sequence(elements: [

// 数据类型 (PKCS #7)

ASN1ObjectIdentifier.fromIdentifierString(

'1.2.840.113549.1.7.2'), //'content_type'

// 签名数据

ASN1Set(elements: [signedData]) // 'content'

]);

return payloadContent.encode();

}

/// PIN校验

///

/// user_pin：字符串

///

/// return：返回剩余尝试次数

int verifyPIN(final String userPin) {

var leftTimes = 0;

final int ulPINType = 1; // PIN类型，1表示用户PIN

using((Arena arena) {

final pulRetryCount = arena<Uint32>(); // PIN剩余尝试次数

// 调用验证PIN接口

error = SKF_VerifyPIN(

_appHandle, ulPINType, userPin.toNativeUtf8(), pulRetryCount);

leftTimes = pulRetryCount.value;

});

return leftTimes;

}

/// 将Hex字符串转成ECC密文结构

///

/// strHex：Hex字符串

///

/// return：ECC密文结构

Pointer<Struct_ECCCIPHERBLOB> strHexToCipherText(final String strHex) {

// 密文结构中 Cipher 长度（C3）

final cipherLen =

(strHex.length - Struct_ECCCIPHERBLOB.lengthBytes(0) * 2) ~/ 2;

final pCipherText =

Struct_ECCCIPHERBLOB.allocate(cipherLen); // 声明pCipherText密文结构变量

final xCoordinateHex =

strHex.substring(0, 64); // 获取密文结构的 XCoordinate 的Hex字符串

final yCoordinateHex =

strHex.substring(64, 128); // 获取密文结构的 YCoordinate 的Hex字符串

final hashHex = strHex.substring(128, 192); // 获取密文结构的 HASH 的Hex字符串

final cipherTextHex = strHex.substring(192); // C2：密文结构中的Cipher

// 为密文结构中的每部分赋值

for (int i = 0; i < 32; i++) {

pCipherText.ref.xCoordinate[32 + i] =

int.parse(xCoordinateHex.substring(i * 2, 2), radix: 16);

}

for (int i = 0; i < 32; i++) {

pCipherText.ref.yCoordinate[32 + i] =

int.parse(yCoordinateHex.substring(i * 2, 2), radix: 16);

}

for (int i = 0; i < 32; i++) {

pCipherText.ref.hash[i] =

int.parse(hashHex.substring(i * 2, 2), radix: 16);

}

// 密文部分转为Uint8类型

for (int i = 0; i < cipherLen; i++) {

pCipherText.ref.cipher[i] =

int.parse(cipherTextHex.substring(i * 2, 2), radix: 16);

}

return pCipherText;

}

/// 将ECC密文结构转成Hex字符串

String cipherTextToStrHex(final Pointer<Struct_ECCCIPHERBLOB> cipherText) {

final textHex = StringBuffer();

// 将密文结构内容转成Hex字符串

for (int i = 32; i < 64; i++) {

// 获取密文结构中 XCoordinate

textHex.write(

cipherText.ref.xCoordinate[i].toRadixString(16).padLeft(2, '0'));

}

for (int i = 32; i < 64; i++) {

// 获取密文结构中 YCoordinate

textHex.write(

cipherText.ref.yCoordinate[i].toRadixString(16).padLeft(2, '0'));

}

for (int i = 0; i < 32; i++) {

// 获取密文结构中 HASH

textHex.write(cipherText.ref.hash[i].toRadixString(16).padLeft(2, '0'));

}

for (int i = 0; i < cipherText.ref.cipherLen; i++) {

// 将 Cipher 转成Hex字符串

textHex.write(cipherText.ref.cipher[i].toRadixString(16).padLeft(2, '0'));

}

return textHex.toString().toUpperCase();

}

使用方式：

const path = "/opt/apps/xxxx.so";
skfProvider = SkfProvider(path);
skfProvider?.verifyPIN("123456");
skfProvider?.eccEncryptHex("123456");
const plain = "123456";
var res = skfProvider?.sm2SignP7DERHex(plain);
debugPrint(res);

const path = "/opt/apps/xxxx.so";

skfProvider = SkfProvider(path);

skfProvider?.verifyPIN("123456");

skfProvider?.eccEncryptHex("123456");

const plain = "123456";

var res = skfProvider?.sm2SignP7DERHex(plain);

debugPrint(res);

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					1	2
3	4	5	6	7	8	9
10	11	12	13	14	15	16
17	18	19	20	21	22	23
24	25	26	27	28	29	30
31