**Please read my comment below**

chntpw.rb

class Chntpw < Formula
  desc "The Offline NT Password Editor"
  homepage "https://github.com/Tody-Guo/chntpw"
  url "https://github.com/sidneys/chntpw/archive/0.99.6.tar.gz"
  sha256 "e915f5addc2673317285c6f022c94da7fdee415d9800cd38540a13706706786b"
  head "https://github.com/sidneys/chntpw.git"

  depends_on "openssl@1.0"

  patch do
      url "https://gist.githubusercontent.com/minacle/87d11243b135b2041c945f1287d33d7e/raw/b75415c26a6cf55df354e0574543a8cd85caeef7/chntpw-0.99.6-opthomebrew.patch"
      sha256 "dbf09ccee4eaf401e2680554990ee924bb0ad1dd7661a3c97d67bf796089fbbe"
  end

  deprecate! date: "2023-09-11", because: :deprecated_upstream
  disable! date: "2023-11-11", because: :unsupported

  def install
    system "make"
    bin.install "chntpw"
  end

  test do
    assert_match "chntpw version 0.99.6 080526 (sixtyfour)", shell_output("#{bin}/chntpw -h")
  end
end

openssl@1.0.rb

class OpensslAT10 < Formula
  desc "SSL/TLS cryptography library"
  homepage "https://openssl.org/"
  url "https://ftp.openssl.org/source/old/1.0.2/openssl-1.0.2u.tar.gz"
  mirror "https://www.mirrorservice.org/sites/ftp.openssl.org/source/old/1.0.2/openssl-1.0.2u.tar.gz"
  sha256 "ecd0c6ffb493dd06707d38b14bb4d8c2288bb7033735606569d8f90f89669d16"
  version_scheme 1

  patch do
    url "https://gist.githubusercontent.com/felixbuenemann/5f4dcb30ebb3b86e1302e2ec305bac89/raw/b339a33ff072c9747df21e2558c36634dd62c195/openssl-1.0.2u-darwin-arm64.patch"
    sha256 "4ad22bcfc85171a25f035b6fc47c7140752b9ed7467bb56081c76a0a3ebf1b9f"
  end

  bottle do
  end

  keg_only :provided_by_macos,
    "openssl/libressl is provided by macOS so don't link an incompatible version"

  # SSLv2 died with 1.1.0, so no-ssl2 no longer required.
  # SSLv3 & zlib are off by default with 1.1.0 but this may not
  # be obvious to everyone, so explicitly state it for now to
  # help debug inevitable breakage.
  def configure_args
    %W[
      --prefix=#{prefix}
      --openssldir=#{openssldir}
      no-ssl2
      no-ssl3
      no-zlib
      shared
      enable-cms
    ]
  end

  deprecate! date: "2023-09-11", because: :deprecated_upstream
  disable! date: "2023-11-11", because: :unsupported

  def install
    # This could interfere with how we expect OpenSSL to build.
    ENV.delete("OPENSSL_LOCAL_CONFIG_DIR")

    # This ensures where Homebrew's Perl is needed the Cellar path isn't
    # hardcoded into OpenSSL's scripts, causing them to break every Perl update.
    # Whilst our env points to opt_bin, by default OpenSSL resolves the symlink.
    ENV["PERL"] = Formula["perl"].opt_bin/"perl" if which("perl") == Formula["perl"].opt_bin/"perl"

    arch_args = %W[darwin64-#{Hardware::CPU.arch}-cc enable-ec_nistp_64_gcc_128]

    ENV.deparallelize
    system "perl", "./Configure", *(configure_args + arch_args)
    system "make"
    system "make", "test"
    system "make", "install", "MANDIR=#{man}", "MANSUFFIX=ssl"
  end

  def openssldir
    etc/"openssl@1.0"
  end

  def post_install
    keychains = %w[
      /System/Library/Keychains/SystemRootCertificates.keychain
    ]

    certs_list = `security find-certificate -a -p #{keychains.join(" ")}`
    certs = certs_list.scan(
      /-----BEGIN CERTIFICATE-----.*?-----END CERTIFICATE-----/m,
    )

    valid_certs = certs.select do |cert|
      IO.popen("#{bin}/openssl x509 -inform pem -checkend 0 -noout >/dev/null", "w") do |openssl_io|
        openssl_io.write(cert)
        openssl_io.close_write
      end

      $CHILD_STATUS.success?
    end

    openssldir.mkpath
    (openssldir/"cert.pem").atomic_write(valid_certs.join("\n") << "\n")
  end

  def caveats
    <<~EOS
      A CA file has been bootstrapped using certificates from the system
      keychain. To add additional certificates, place .pem files in
        #{openssldir}/certs

      and run
        #{opt_bin}/c_rehash
    EOS
  end

  test do
    # Make sure the necessary .cnf file exists, otherwise OpenSSL gets moody.
    assert_predicate HOMEBREW_PREFIX/"etc/openssl@1.0/openssl.cnf", :exist?,
            "OpenSSL requires the .cnf file for some functionality"

    # Check OpenSSL itself functions as expected.
    (testpath/"testfile.txt").write("This is a test file")
    expected_checksum = "e2d0fe1585a63ec6009c8016ff8dda8b17719a637405a4e23c0ff81339148249"
    system bin/"openssl", "dgst", "-sha256", "-out", "checksum.txt", "testfile.txt"
    open("checksum.txt") do |f|
      checksum = f.read(100).split("=").last.strip
      assert_equal checksum, expected_checksum
    end
  end
end

Thank you for visiting this page. However, please avoid installing chntpw through this gist, and instead use the method below.

brew tap minacle/chntpw
brew install minacle/chntpw/chntpw

If you find an article that guides you to use this gist, please ask the author to change the content to instead guide you through the installation method using tap as mentioned above.

Installation through this gist has now been deprecated and can only be used until November 11, 2023.

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Related Links:

• minacle/chntpw repository on GitHub
• minacle/homebrew-chntpw tap repository on GitHub