From 50ab490bdb7fc70f2b5b04349ae1c02b2d443a92 Mon Sep 17 00:00:00 2001
From: Lein Matsumaru <appleprincess@appleprincess.io>
Date: Sat, 19 Dec 2020 06:34:09 +0000
Subject: [PATCH 1/2] maintainers: add applePrincess

---
 maintainers/maintainer-list.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index b0babe8da74..751a2604fb0 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -686,6 +686,16 @@
     githubId = 1078530;
     name = "Alexandre Peyroux";
   };
+  applePrincess = {
+    email = "appleprincess@appleprincess.io";
+    github = "applePrincess";
+    githubId = 17154507;
+    name = "Lein Matsumaru";
+    keys = [{
+      longkeyid = "rsa4096/0xAAA50652F0479205";
+      fingerprint = "BF8B F725 DA30 E53E 7F11  4ED8 AAA5 0652 F047 9205";
+   }];
+  };
   ar1a = {
     email = "aria@ar1as.space";
     github = "ar1a";

From 3e17811f0d0cbe2b5ad9e72afb148dccfb896d8f Mon Sep 17 00:00:00 2001
From: Lein Matsumaru <appleprincess@appleprincess.io>
Date: Sat, 19 Dec 2020 06:37:28 +0000
Subject: [PATCH 2/2] zsteg: init at 0.2.2

---
 pkgs/tools/security/zsteg/Gemfile      |  2 ++
 pkgs/tools/security/zsteg/Gemfile.lock | 19 +++++++++++
 pkgs/tools/security/zsteg/default.nix  | 16 ++++++++++
 pkgs/tools/security/zsteg/gemset.nix   | 44 ++++++++++++++++++++++++++
 pkgs/top-level/all-packages.nix        |  2 ++
 5 files changed, 83 insertions(+)
 create mode 100644 pkgs/tools/security/zsteg/Gemfile
 create mode 100644 pkgs/tools/security/zsteg/Gemfile.lock
 create mode 100644 pkgs/tools/security/zsteg/default.nix
 create mode 100644 pkgs/tools/security/zsteg/gemset.nix

diff --git a/pkgs/tools/security/zsteg/Gemfile b/pkgs/tools/security/zsteg/Gemfile
new file mode 100644
index 00000000000..814e5fe8ad4
--- /dev/null
+++ b/pkgs/tools/security/zsteg/Gemfile
@@ -0,0 +1,2 @@
+source 'https://rubygems.org'
+gem 'zsteg'
diff --git a/pkgs/tools/security/zsteg/Gemfile.lock b/pkgs/tools/security/zsteg/Gemfile.lock
new file mode 100644
index 00000000000..b611fb93f5a
--- /dev/null
+++ b/pkgs/tools/security/zsteg/Gemfile.lock
@@ -0,0 +1,19 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    iostruct (0.0.4)
+    rainbow (3.0.0)
+    zpng (0.3.1)
+      rainbow
+    zsteg (0.2.2)
+      iostruct
+      zpng (>= 0.3.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  zsteg
+
+BUNDLED WITH
+   2.1.4
diff --git a/pkgs/tools/security/zsteg/default.nix b/pkgs/tools/security/zsteg/default.nix
new file mode 100644
index 00000000000..e47f285de70
--- /dev/null
+++ b/pkgs/tools/security/zsteg/default.nix
@@ -0,0 +1,16 @@
+{ lib, bundlerApp }:
+
+bundlerApp {
+  pname = "zsteg";
+
+  gemdir = ./.;
+
+  exes = [ "zsteg" ];
+
+  meta = with lib; {
+    description = "Detect stegano-hidden data in PNG & BMP.";
+    homepage = "http://zed.0xff.me/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ applePrincess ];
+  };
+}
diff --git a/pkgs/tools/security/zsteg/gemset.nix b/pkgs/tools/security/zsteg/gemset.nix
new file mode 100644
index 00000000000..4f5bd79ce44
--- /dev/null
+++ b/pkgs/tools/security/zsteg/gemset.nix
@@ -0,0 +1,44 @@
+{
+  iostruct = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0kwp6ryis32j3z7myw8g7v1yszwrwyl04g2c7flr42pwxga1afxc";
+      type = "gem";
+    };
+    version = "0.0.4";
+  };
+  rainbow = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0bb2fpjspydr6x0s8pn1pqkzmxszvkfapv0p4627mywl7ky4zkhk";
+      type = "gem";
+    };
+    version = "3.0.0";
+  };
+  zpng = {
+    dependencies = ["rainbow"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "0ciyab7qxqsxjhfvr6rbpdzg655fi1zygqg9sd9m6wmgc037dj74";
+      type = "gem";
+    };
+    version = "0.3.1";
+  };
+  zsteg = {
+    dependencies = ["iostruct" "zpng"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1mwajlsgs27449n2yf2f9hz8g46qv9bz9f58i9cz1jg58spvpxpk";
+      type = "gem";
+    };
+    version = "0.2.2";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2ddecc16470..1b026a53612 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -26363,6 +26363,8 @@ in
 
   zscroll = callPackage ../applications/misc/zscroll {};
 
+  zsteg = callPackage ../tools/security/zsteg { };
+
   zynaddsubfx = zyn-fusion;
 
   zynaddsubfx-fltk = callPackage ../applications/audio/zynaddsubfx {