Merge pull request #119 from thepwrtank18/djgpp-rng

RNG bugfix for DOS (DJGPP)

.github/workflows/dos-djgpp.yml

@@ -37,7 +37,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Source Tree
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup build environment
         run: |
@@ -64,8 +64,8 @@ jobs:
           git clone https://github.com/UMSKT/openssl.git openssl
           pushd openssl
           source ${{ github.workspace }}/djgpp/setenv
-          ./Configure no-threads -DOPENSSL_DEV_NO_ATOMICS --prefix=${{ github.workspace }}/djgpp DJGPP
+          ./Configure no-threads no-tests -DOPENSSL_DEV_NO_ATOMICS --prefix=${{ github.workspace }}/djgpp DJGPP
-          make && make install
+          make && make install_sw
           popd
 
       - name: Build
@@ -81,7 +81,7 @@ jobs:
           mv build/umskt.exe build/actions_upload/
 
       - name: Upload build artifact
-        uses: actions/upload-artifact@v3.1.2
+        uses: actions/upload-artifact@v4.6.2
         with:
           name: UMSKT-DOS
           path: build/actions_upload

.github/workflows/freebsd.yml

@@ -21,12 +21,12 @@
  name: C/C++ CI (FreeBSD) 
   
  on: 
-  push:
+  #push:
-    branches: [ "*" ]
+  #  branches: [ "*" ]
-    paths-ignore: [ '**.md', 'doc/**', '.idea/**'] # If only these files are edited, skip
+  #  paths-ignore: [ '**.md', 'doc/**', '.idea/**'] # If only these files are edited, skip
-  pull_request:
+  #pull_request:
-    branches: [ "*" ]
+  #  branches: [ "*" ]
-    paths-ignore: [ '**.md', 'doc/**', '.idea/**'] # If only these files are edited, skip
+  #  paths-ignore: [ '**.md', 'doc/**', '.idea/**'] # If only these files are edited, skip
 
   workflow_dispatch:
   
@@ -35,7 +35,7 @@
      runs-on: ubuntu-latest
      name: build-x86_64 
      steps: 
-     - uses: actions/checkout@v3 
+     - uses: actions/checkout@v4
   
      - name: Build & Test in FreeBSD 
        id: test 
@@ -59,7 +59,7 @@
            mv build/umskt build/actions_upload/umskt 
   
      - name: Upload build artifact 
-       uses: actions/upload-artifact@v3.1.2 
+       uses: actions/upload-artifact@v4.6.2
        with: 
          name: UMSKT-FreeBSD 
          path: build/actions_upload

.github/workflows/linux.yml

@@ -37,7 +37,7 @@ jobs:
           - arch: aarch64
     steps:
     - name: Checkout Source Tree
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup latest Alpine Linux for ${{ matrix.arch }}
       uses: jirutka/setup-alpine@v1
@@ -67,7 +67,7 @@ jobs:
           mv build/umskt build/actions_upload/umskt
 
     - name: Upload build artifact
-      uses: actions/upload-artifact@v3.1.2
+      uses: actions/upload-artifact@v4.6.2
       with:
         name: UMSKT-linux-${{ matrix.arch }}-static
         path: build/actions_upload

.github/workflows/macos.yml

@@ -35,7 +35,7 @@ jobs:
           - arch: x86_64
     steps:
       - name: Checkout Source Tree
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Configure and build UMSKT
         run: |
@@ -54,7 +54,7 @@ jobs:
           ./umskt
 
       - name: Upload build artifact
-        uses: actions/upload-artifact@v3.1.2
+        uses: actions/upload-artifact@v4.6.2
         with:
           name: UMSKT-macOS-${{ matrix.arch }}
           path: build/actions_upload

.github/workflows/windows.yml

@@ -23,126 +23,83 @@ name: C/C++ CI (Windows)
 on:
   push:
     branches: [ "*" ]
-    paths-ignore: [ '**.md', 'doc/**', '.idea/**'] # If only these files are edited, skip
+    paths-ignore: [ '**.md', 'doc/**', '.idea/**']
   workflow_dispatch:
 
 jobs:
-  build-32bit:
+  build-tdm:
     runs-on: windows-latest
+    strategy:
+      matrix:
+        arch: [x64, x86]
     steps:
-      # https://github.com/actions/runner-images/issues/6067#issuecomment-1213069040
+      - name: Setup TDM-GCC
-      - name: Install Windows XP Support for Visual Studio
         run: |
-          Set-Location "C:\Program Files (x86)\Microsoft Visual Studio\Installer\"
+          Write-Host Downloading TDM-GCC v10.3.0...
-          $InstallPath = "C:\Program Files\Microsoft Visual Studio\2022\Enterprise"
+          Invoke-WebRequest -Uri 'https://github.com/jmeubank/tdm-gcc/releases/download/v10.3.0-tdm64-2/tdm64-gcc-10.3.0-2.exe' -OutFile 'C:\Windows\temp\TDM-GCC-64.exe'
-          $componentsToAdd = @(
+          Write-Host Creating directory...
-            "Microsoft.VisualStudio.Component.WinXP"
+          New-Item -ItemType Directory -Path 'C:\TDM-GCC-64'
-          )
+          Write-Host Copying files [Set 1/3]...
-          [string]$workloadArgs = $componentsToAdd | ForEach-Object {" --add " +  $_}
+          Start-Process '7z' -ArgumentList 'e C:\Windows\temp\TDM-GCC-64.exe -oC:\TDM-GCC-64 -y' -Wait
-          $Arguments = ('/c', "vs_installer.exe", 'modify', '--installPath', "`"$InstallPath`"",$workloadArgs, '--quiet', '--norestart', '--nocache')
+          Write-Host Copying files [Set 2/3]...
-          $process = Start-Process -FilePath cmd.exe -ArgumentList $Arguments -Wait -PassThru -WindowStyle Hidden
+          Start-Process '7z' -ArgumentList 'e C:\TDM-GCC-64\*.tar.xz -oC:\TDM-GCC-64 -y' -Wait
-          if ($process.ExitCode -eq 0)
+          Write-Host Copying files [Set 3/3]...
-          {
+          Start-Process '7z' -ArgumentList 'x C:\TDM-GCC-64\*.tar -oC:\TDM-GCC-64 -y' -Wait
-              Write-Host "components have been successfully added"
+          Write-Host Adding environment variables...
-              Get-ChildItem C:\ProgramData\Microsoft\VisualStudio\Packages\Microsoft.Windows.XPSupport.*
+          $env:PATH = 'C:\TDM-GCC-64\bin;' + $env:PATH
-          }
+          [Environment]::SetEnvironmentVariable('PATH', $env:PATH, [EnvironmentVariableTarget]::Machine)
-          else
-          {
-              Write-Host "components were not installed"
-              exit 1
-          }
-
-      - name: Download And Install 32-bit OpenSSL
-        run: |
-          $installDir = "$Env:ProgramFiles\OpenSSL"
-          $installerURL = "https://slproweb.com/download/Win32OpenSSL-3_1_6.exe"
-          $installerName = "Win32OpenSSL-3_1_5.exe"
-          $installerPath = Join-Path -Path "${env:Temp}" -ChildPath "$installerName"
-
-          (New-Object System.Net.WebClient).DownloadFile($installerURL, $installerPath)
-          
-          Remove-Item "$installDir" -Force -Recurse
-          $installerArgs = '/silent', '/sp-', '/suppressmsgboxes', "/DIR=`"$installDir`""
-          Start-Process -FilePath $installerPath -ArgumentList $installerArgs -Wait -PassThru
 
       - name: Checkout Source Tree
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - name: Setup MSBuild
+      - name: Download OpenSSL-TDM release asset
-        uses: microsoft/setup-msbuild@v1
+        shell: pwsh
+        run: |
+          if ('${{ matrix.arch }}' -eq 'x64') {
+            $url = "https://github.com/UMSKT/winactiontest/releases/download/openssl/OpenSSL-TDM-64.zip"
+            $dest = "$env:GITHUB_WORKSPACE/OpenSSL-TDM-64"
+            $libdir = "lib64"
+            $cmake_flags = "-m64"
+            $openssl_root = "$env:GITHUB_WORKSPACE/OpenSSL-TDM-64"
+          } else {
+            $url = "https://github.com/UMSKT/winactiontest/releases/download/openssl/OpenSSL-TDM-32.zip"
+            $dest = "$env:GITHUB_WORKSPACE/OpenSSL-TDM-32"
+            $libdir = "lib32"
+            $cmake_flags = "-m32"
+            $openssl_root = "$env:GITHUB_WORKSPACE/OpenSSL-TDM-32"
+          }
+          Invoke-WebRequest -Uri $url -OutFile "OpenSSL-TDM.zip"
+          Expand-Archive -Path "OpenSSL-TDM.zip" -DestinationPath $env:GITHUB_WORKSPACE
+          echo "OPENSSL_ROOT=$openssl_root" | Out-File -FilePath $env:GITHUB_ENV -Append
+          echo "OPENSSL_LIBDIR=$libdir" | Out-File -FilePath $env:GITHUB_ENV -Append
+          echo "CMAKE_FLAGS=$cmake_flags" | Out-File -FilePath $env:GITHUB_ENV -Append
 
-      - name: Configure UMSKT
+      - name: Configure UMSKT (TDM-GCC ${{ matrix.arch }})
-        uses: threeal/cmake-action@v1.2.0
+        shell: pwsh
-        with:
+        run: |
-          generator: "Visual Studio 17 2022"
+          $env:PATH = 'C:\TDM-GCC-64\bin;' + $env:PATH
-          options: CMAKE_SYSTEM_VERSION="5.1.2600"
+          $OPENSSL_ROOT = "$env:OPENSSL_ROOT"
-          args: -A "Win32" -T v141_xp
+          $OPENSSL_LIB = "$OPENSSL_ROOT/$env:OPENSSL_LIBDIR"
+          $OPENSSL_INC = "$OPENSSL_ROOT/include"
+          cmake -G "MinGW Makefiles" `
+            -DCMAKE_C_COMPILER="gcc" `
+            -DCMAKE_CXX_COMPILER="g++" `
+            -DOPENSSL_ROOT_DIR="$OPENSSL_ROOT" `
+            -DOPENSSL_INCLUDE_DIR="$OPENSSL_INC" `
+            -DOPENSSL_CRYPTO_LIBRARY="$OPENSSL_LIB/libcrypto.a" `
+            -DOPENSSL_SSL_LIBRARY="$OPENSSL_LIB/libssl.a" `
+            -DCMAKE_C_FLAGS="$env:CMAKE_FLAGS" `
+            -DCMAKE_CXX_FLAGS="$env:CMAKE_FLAGS" `
+            .
 
-      - name: Build UMSKT
+      - name: Build UMSKT (TDM-GCC ${{ matrix.arch }})
-        working-directory: build
+        shell: pwsh
-        run: msbuild ALL_BUILD.vcxproj /P:Configuration=Release
+        run: |
+          $env:PATH = 'C:\TDM-GCC-64\bin;' + $env:PATH
+          mingw32-make
 
       - name: Upload build artifact
-        uses: actions/upload-artifact@v3.1.2
+        uses: actions/upload-artifact@v4.6.2
         with:
-          name: UMSKT-Win32
+          name: UMSKT-TDM${{ matrix.arch }}
-          path: build/Release
+          path: umskt.exe
-
-  build-64bit:
-    runs-on: windows-latest
-    steps:
-      - name: Install Windows XP Support for Visual Studio
-        run: |
-          Set-Location "C:\Program Files (x86)\Microsoft Visual Studio\Installer\"
-          $InstallPath = "C:\Program Files\Microsoft Visual Studio\2022\Enterprise"
-          $componentsToAdd = @(
-            "Microsoft.VisualStudio.Component.WinXP"
-          )
-          [string]$workloadArgs = $componentsToAdd | ForEach-Object {" --add " +  $_}
-          $Arguments = ('/c', "vs_installer.exe", 'modify', '--installPath', "`"$InstallPath`"",$workloadArgs, '--quiet', '--norestart', '--nocache')
-          $process = Start-Process -FilePath cmd.exe -ArgumentList $Arguments -Wait -PassThru -WindowStyle Hidden
-          if ($process.ExitCode -eq 0)
-          {
-              Write-Host "components have been successfully added"
-              Get-ChildItem C:\ProgramData\Microsoft\VisualStudio\Packages\Microsoft.Windows.XPSupport.*
-          }
-          else
-          {
-              Write-Host "components were not installed"
-              exit 1
-          }
-    
-      - name: Download And Install 64-bit OpenSSL
-        run: |
-          $installDir = "$Env:ProgramFiles\OpenSSL"
-          $installerURL = "https://slproweb.com/download/Win64OpenSSL-3_1_6.exe"
-          $installerName = "Win64OpenSSL-3_1_6.exe"
-          $installerPath = Join-Path -Path "${env:Temp}" -ChildPath "$installerName"
-
-          (New-Object System.Net.WebClient).DownloadFile($installerURL, $installerPath)
-          
-          Remove-Item "$installDir" -Force -Recurse
-          $installerArgs = '/silent', '/sp-', '/suppressmsgboxes', "/DIR=`"$installDir`""
-          Start-Process -FilePath $installerPath -ArgumentList $installerArgs -Wait -PassThru
-
-      - name: Checkout Source Tree
-        uses: actions/checkout@v3
-
-      - name: Setup MSBuild
-        uses: microsoft/setup-msbuild@v1
-
-      - name: Configure UMSKT
-        uses: threeal/cmake-action@v1.2.0
-        with:
-          generator: "Visual Studio 17 2022"
-          args: -A "x64" -T "v141_xp"
-
-      - name: Build UMSKT
-        working-directory: build
-        run: msbuild ALL_BUILD.vcxproj /P:Configuration=Release
-
-      - name: Upload build artifact
-        uses: actions/upload-artifact@v3.1.2
-        with:
-          name: UMSKT-Win64
-          path: build/Release

.gitignore

@@ -252,4 +252,10 @@ _deps
 CMakeSettings.json
 
 # Visual Studio
-.vs/
+.vs/
+
+CPM_modules
+CPM_*.cmake
+cpm-package-lock.cmake
+*.a
+*_cmrc*

CMakeLists.txt

@@ -21,6 +21,13 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 3.12)
 PROJECT(UMSKT)
 
+# Force TDM-GCC on Windows if not using MSVC
+if (WIN32 AND NOT MSVC)
+    set(CMAKE_C_COMPILER "C:/TDM-GCC-64/bin/gcc.exe" CACHE FILEPATH "C Compiler" FORCE)
+    set(CMAKE_CXX_COMPILER "C:/TDM-GCC-64/bin/g++.exe" CACHE FILEPATH "C++ Compiler" FORCE)
+    message(STATUS "[UMSKT] Forcing use of TDM-GCC in C:/TDM-GCC-64")
+endif()
+
 SET(CMAKE_CXX_STANDARD 17)
 SET(CMAKE_OSX_SYSROOT "macosx" CACHE PATH "macOS SDK path")
 
@@ -207,6 +214,12 @@ ELSE()
     TARGET_INCLUDE_DIRECTORIES(umskt PUBLIC ${OPENSSL_INCLUDE_DIR})
     TARGET_LINK_LIBRARIES(umskt _umskt ${OPENSSL_CRYPTO_LIBRARIES} ${ZLIB_LIBRARIES} fmt nlohmann_json::nlohmann_json umskt::rc ${UMSKT_LINK_LIBS})
     TARGET_LINK_DIRECTORIES(umskt PUBLIC ${UMSKT_LINK_DIRS})
+
+    # Link required Windows system libraries for OpenSSL
+    if (WIN32)
+        target_link_libraries(umskt crypt32 ws2_32)
+    endif()
+
     IF(MSVC AND MSVC_MSDOS_STUB)
         SET_PROPERTY(TARGET umskt APPEND PROPERTY LINK_FLAGS /STUB:${MSVC_MSDOS_STUB})
     ENDIF()

README.md

@@ -51,13 +51,12 @@ In light of the recent exponential interest in this project I've decided to put
     * Download the latest experimental version using the Actions tab ([Windows](../../actions/workflows/windows.yml?query=branch%3Amaster+is%3Asuccess), [Linux](../../actions/workflows/linux.yml?query=branch%3Amaster+is%3Asuccess), [macOS](../../actions/workflows/macos.yml?query=branch%3Amaster+is%3Asuccess), [FreeBSD](../../actions/workflows/freebsd.yml?query=branch%3Amaster+is%3Asuccess), [DOS DJGPP](../../actions/workflows/dos-djgpp.yml?query=branch%3Amaster+is%3Asuccess))
 
 
-* ~~*(GitHub account \*not\* required)*~~
+* *(GitHub account \*not\* required)*
-    * ~~Download the latest release for your operating system and architecture from [the releases page](../../releases)~~
+    * Download the latest release for your operating system and architecture from [the releases page](../../releases)
-    * No official releases right now, use the other method to get the latest version.
 
 * **Note:** Before continuing, please ensure you have the `umskt` executable extracted and on UNIX-like systems, have execution permissions (`chmod +x umskt`).
 
-#### 2. Install OpenSSL 3.1.2. 
+#### 2. Install OpenSSL. 
 For Windows, click [here](https://slproweb.com/products/Win32OpenSSL.html) and choose the right version. For other operating systems, consult your package manager.
 *Note: This only applies if the build you download has OpenSSL embedded (static library) or not. You can usually tell if the download size is measured in KB or MB. If it's MB, you don't need this.*
 

keys.json

@@ -132,12 +132,18 @@
     "Windows Longhorn (6.0.4039.0 -> Pre PIDGENX)": {
       "BINK": ["74", "75"]
     },
+    "Expression Web 2007 / Sharepoint Server 2007": {
+      "BINK": ["76", "77"]
+    },
     "Identity Lifecycle Manager 2007": {
       "BINK": ["78", "79"]
     },
     "Visual Studio 2008": {
       "BINK": ["78", "79"]
     },
+    "Sharepoint Designer 2007": {
+      "BINK": ["7C", "7D"]
+    },
     "Office 2007 Applications": {
       "BINK": ["7E", "7F"]
     },
@@ -147,8 +153,8 @@
     "Office 2007 Standard / Professional / Ultimate / Enterprise": {
       "BINK": ["82", "83"]
     },
-    "Office 2007 OEM (2007 MS Office system)": {
+    "Office 2007 Hybrid": {
-      "BINK": ["84"]
+      "BINK": ["84", "85"]
     },
     "Office 2007 Home & Student": {
       "BINK": ["88", "89"]
@@ -324,15 +330,15 @@
       "a": "1",
       "b": "0",
       "g": {
-        "x": "17272533675023793624680016937607161394427776688401278127884215858369066406365237833207419170117031265147050748737186",
+        "x": "2424861453756882196229359499252409442096928108454123044238107428456451053748664006504056679987776648547354283230029",
-        "y": "10897684556651576571671151674586120690608236542740270859915076272932083320838022698730208293779451126638581586588925"
+        "y": "7324425970176151969116486392910180591819760394015255323965851504893617199075285355320677185484219270306349221725496"
       },
-      "n": "44682719955829289",
+      "n": "42173753096150573",
-      "p": "31123778862031392435299439090755153401162704597024288571183830527113563344679315725116915983118187065183839828632113",
+      "p": "23576896825148261563986794905854575022252138407149635186332207102431578828005131860154350053063599250972940889198609",
-      "priv": "30177475288172038",
+      "priv": "21644128200478272",
       "pub": {
-        "x": "10584120526089473026246191383792758367144927589909587205278073830223938861208553884400816982485323081066790399437204",
+        "x": "22559965909720054111451558679234685221190121968477792217083519033370405738218408301652020048970098652944061723131120",
-        "y": "19710761542152200618172612283139324015316083022563473705358032993141026289202915973780473937312193485361804450068338"
+        "y": "4867649293914467066273247931825593002116583959412689222356329515920397531410942846741846700237094219959206105155903"
       }
     },
     "0C": {
@@ -800,6 +806,66 @@
         "y": "4166331361209663080277908775030002767045551689443380649904104094047767422069625957190676222747168197864341871814070164924686453916110248521040648287862677"
       }
     },
+    "42": {
+      "a": "1",
+      "b": "0",
+      "g": {
+        "x": "11640071446359917693418230277272135573556102510768548148030840368465631925066661215750608051818744662399431859372010847799326485284550650513243041633181229",
+        "y": "1117219266737324272317290420713713230170128897725948728570838742460014554810962916878884036620621200355133560155042440959180864818213121429155138181344653"
+      },
+      "n": "5280334341756112909",
+      "p": "12942978066077029419384467090650680778545791198987839112733218154226202456650854446314697588718267646821306053679758777877942489272278682133825653213117273",
+      "priv": "1465309884720242143",
+      "pub": {
+        "x": "9351207863776380035890122409035060669425884047354848374635961783863142135448736359201437768670165682794001791952363648653230539557613342151297569318010149",
+        "y": "9639173047661422234418044696501057599355311018715184869788900265449733286127996011980477454425481367874466175535746037008129571512803245134460273061854442"
+      }
+    },
+    "43": {
+      "a": "1",
+      "b": "0",
+      "g": {
+        "x": "2834486376491690368456603825217677225471198398912779448345352642108764638231378782668499190157872740666167080466219457629252550710819781972327332131965258",
+        "y": "4797700757852014957418479446842892711716196864495788466729606301384034376631555735482572108714361434720650684534546885209233659101211883665277770145423350"
+      },
+      "n": "5523679238757269761",
+      "p": "6926191998299775557228051679990184107308003134668712746978570129316018332430570191924825301565850815568703875111335260944754577838427804555602564950786897",
+      "priv": "2809607843179400714",
+      "pub": {
+        "x": "5801087961280458909792080253947945286111446355062440146334723296822174085898835796467483513249817617372724731293482946799424523234786103045200852470225011",
+        "y": "1919606609989436277853545800995092035920586757555046809012910563836843544210421704301817498648513315478648381017523132165198480986231348796390852153074721"
+      }
+    },
+    "44": {
+      "a": "1",
+      "b": "0",
+      "g": {
+        "x": "9680658238923578678202657184293847763076151678383489086861167893944370179297511555508861816858010248459991161671607410772896973557285105910275482332653112",
+        "y": "38902477949345497450784597636513692713869581728781957101503157321110858542746905996206655102425053611084383171688496202957335182347019199622239575131319"
+      },
+      "n": "4714695763604443541",
+      "p": "10060218540908435736634173235406368357048589196592148828376201588591059234309957485052136941552686476146780926855972646273339825261674895471491324476121697",
+      "priv": "952494568445020851",
+      "pub": {
+        "x": "7809435572353033432542259944225681069776007713441000282689259450883474252378043956762041876078756182695744718782433033396721679522564745671507681698680124",
+        "y": "2120018000497598938986702274873490939171797105426386828711756267078880551570146718754825759969119264518218486103010877173921337418786732248062865348045969"
+      }
+    },
+    "45": {
+      "a": "1",
+      "b": "0",
+      "g": {
+        "x": "1415506028429814835609318901328901279725664469601609961018689628962980229383879276982285895935656882715108992785111554965336919510937749428526698965204901",
+        "y": "6142658768171534784725381543698447822724946469773052050322995135930968261406067031627504011235735426349765719550450476207341330596203075437382377459404055"
+      },
+      "n": "4705733954672224129",
+      "p": "8420779903875279756603065163346889837055414440294897668354571673595315405287353764209959201404596284932170027888535337670888642377481800445761115380269649",
+      "priv": "1845297747391977061",
+      "pub": {
+        "x": "5979408142886940137052651399684513359780629840102111793966097396623272737697258705143841606573133958717430112526043253582151662435203695216093728339267096",
+        "y": "3518591391911442753664238113448734968964864723243113225953452544472418473210828150121884867152997802156077007186900916060906287620287437578440526157889485"
+      }
+    },
     "50": {
       "a": "1",
       "b": "0",

src/cli.cpp

@@ -423,7 +423,7 @@ int CLI::BINK1998Generate() {
     } else {
         // generate a random number to use as a serial
         BIGNUM *bnrand = BN_new();
-        BN_rand(bnrand, 19, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY);
+        UMSKT::umskt_bn_rand(bnrand, 19, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY);
 
         int oRaw;
         char *cRaw = BN_bn2dec(bnrand);
@@ -484,7 +484,7 @@ int CLI::BINK2002Generate() {
     // generate a key
     for (int i = 0; i < this->total; i++) {
         DWORD pAuthInfo;
-        RAND_bytes((BYTE *)&pAuthInfo, 4);
+        UMSKT::umskt_rand_bytes((BYTE *)&pAuthInfo, 4);
         pAuthInfo &= BITMASK(10);
 
         if (this->options.verbose) {

src/libumskt/libumskt.cpp

@@ -58,3 +58,78 @@ FNEXPORT int PIDGEN2_GenerateRetail(char* channelID, char* &keyout) {
 FNEXPORT int PIDGEN2_GenerateOEM(char* year, char* day, char* oem, char* keyout) {
     return PIDGEN2::GenerateOEM(year, day, oem, keyout);
 }
+
+// RNG utility functions
+int UMSKT::umskt_rand_bytes(unsigned char *buf, int num) {
+#if UMSKT_RNG_DJGPP
+    // DOS-compatible RNG using DJGPP's random() function
+    static bool initialized = false;
+    if (!initialized) {
+        // Get initial seed from multiple sources for better entropy
+        struct timeval tv;
+        gettimeofday(&tv, NULL);
+        
+        // Combine microseconds with BIOS timer ticks
+        unsigned long ticks = *(volatile unsigned long *)0x0040001CL;
+        int seed = (int)((tv.tv_sec ^ tv.tv_usec) ^ (ticks * 100000));
+        
+        // Initialize both random() and rand() with different seeds
+        srandom(seed);
+        srand(seed ^ 0x1234ABCD); // Use a different seed for rand
+        
+        initialized = true;
+    }
+    
+    for (int i = 0; i < num; i++) {
+        // Use random() for better randomness, especially in lower bits
+        buf[i] = (unsigned char)(random() & 0xFF);
+        
+        // Mix in rand() as an additional source
+        buf[i] ^= (unsigned char)(rand() & 0xFF);
+    }
+    return 1;
+#else
+    // Use OpenSSL's RAND_bytes for non-DOS systems
+    return RAND_bytes(buf, num);
+#endif
+}
+
+int UMSKT::umskt_bn_rand(BIGNUM *rnd, int bits, int top, int bottom) {
+#if UMSKT_RNG_DJGPP
+    // DOS-compatible RNG implementation for BIGNUMs
+    unsigned char *buf = (unsigned char *)malloc((bits + 7) / 8);
+    if (!buf) return 0;
+    
+    // Generate random bytes
+    umskt_rand_bytes(buf, (bits + 7) / 8);
+    
+    // Convert to BIGNUM
+    if (!BN_bin2bn(buf, (bits + 7) / 8, rnd)) {
+        free(buf);
+        return 0;
+    }
+    
+    free(buf);
+    
+    // Apply top/bottom constraints like BN_rand does
+    if (top != -1) {
+        if (top) {
+            if (bits == 0) {
+                BN_zero(rnd);
+                return 1;
+            }
+            BN_set_bit(rnd, bits - 1);
+        }
+        BN_mask_bits(rnd, bits);
+    }
+    
+    if (bottom) {
+        BN_set_bit(rnd, 0);
+    }
+    
+    return 1;
+#else
+    // Use OpenSSL's BN_rand for non-DOS systems
+    return BN_rand(rnd, bits, top, bottom);
+#endif
+}

src/libumskt/libumskt.h

@@ -38,6 +38,10 @@
 #include <fmt/core.h>
 #include <fmt/format.h>
 
+#ifdef __DJGPP__
+#include <sys/time.h>
+#endif
+
 // Algorithm macros
 #define PK_LENGTH               25
 #define NULL_TERMINATOR         1
@@ -59,6 +63,17 @@
 #define BYDWORD(n)                     (DWORD)(*((n) + 0) | *((n) + 1) << 8 | *((n) + 2) << 16 | *((n) + 3) << 24)
 #define BITMASK(n)                     ((1ULL << (n)) - 1)
 
+// RNG utility functions
+#ifdef __DJGPP__
+#define UMSKT_RNG_DJGPP 1
+extern "C" {
+    long int random(void);
+    int srandom(int seed);
+}
+#else
+#define UMSKT_RNG_DJGPP 0
+#endif
+
 class UMSKT {
 public:
     static std::FILE* debug;
@@ -67,7 +82,10 @@ public:
     class ConfigurationID;
 
     static void setDebugOutput(std::FILE* input);
+
+    // RNG utility functions
+    static int umskt_rand_bytes(unsigned char *buf, int num);
+    static int umskt_bn_rand(BIGNUM *rnd, int bits, int top, int bottom);
 };
 
-
 #endif //UMSKT_LIBUMSKT_H

src/libumskt/pidgen3/BINK1998.cpp

@@ -201,7 +201,7 @@ void PIDGEN3::BINK1998::Generate(
         EC_POINT *r = EC_POINT_new(eCurve);
 
         // Generate a random number c consisting of 384 bits without any constraints.
-        BN_rand(c, FIELD_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY);
+        UMSKT::umskt_bn_rand(c, FIELD_BITS, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY);
 
         // Pick a random derivative of the base point on the elliptic curve.
         // R = cG;

src/libumskt/pidgen3/BINK2002.cpp

@@ -236,7 +236,7 @@ void PIDGEN3::BINK2002::Generate(
         EC_POINT *r = EC_POINT_new(eCurve);
 
         // Generate a random number c consisting of 512 bits without any constraints.
-        BN_rand(c, FIELD_BITS_2003, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY);
+        UMSKT::umskt_bn_rand(c, FIELD_BITS_2003, BN_RAND_TOP_ANY, BN_RAND_BOTTOM_ANY);
 
         // R = cG
         EC_POINT_mul(eCurve, r, nullptr, basePoint, c, numContext);