1 files changed, 35 insertions, 0 deletions
diff --git a/lib/insomniaircd_conf/secure.rb b/lib/insomniaircd_conf/secure.rb
new file mode 100644
index 0000000..91ab9e7
--- /dev/null
+++ b/lib/insomniaircd_conf/secure.rb
@@ -0,0 +1,35 @@
+require 'base64'
+
+class Secure
+
+  def initialize(key)
+    @key = Base64.decode64(key)
+  end
+
+  def self.random_key
+    cipher = OpenSSL::Cipher::AES256.new(:CBC)
+    Base64.encode64(cipher.random_key).gsub("\n", "")
+  end
+
+  def encrypt(secret)
+    cipher = OpenSSL::Cipher::AES256.new(:CBC)
+    cipher.encrypt
+    cipher.key = @key
+    iv = cipher.random_iv
+    encrypted = cipher.update(secret) + cipher.final
+
+    Base64.encode64(iv + encrypted).gsub("\n", "")
+  end
+
+  def decrypt(input)
+    data = Base64.decode64(input)
+    cipher = OpenSSL::Cipher::AES256.new(:CBC)
+    cipher.decrypt
+    cipher.key = @key
+    cipher.iv = data[0..15]
+
+    cipher.update(data[16..-1]) + cipher.final
+  end
+
+end
+