initial import

3 files changed, 35 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.__backups__
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+gen-pass
+========
+
+Generate password from simple pass
+
+usage
+=====
+
+    $ ruby gen-pw.rb user1 example1.com 25
+
+
+Ouput:
+
+    Passphrase: demo
+    74OJ249aMWaEHQX1QdAagUUnx
diff --git a/gen-pw.rb b/gen-pw.rb
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--- /dev/null
+++ b/gen-pw.rb
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+#!/usr/bin/env ruby
+
+require 'io/console'
+require 'openssl'
+require 'base64'
+
+username = ARGV.shift
+url = ARGV.shift
+length = ARGV.shift.to_i
+
+print('Passphrase: ');
+passphrase = STDIN.noecho(&:gets).chomp; print("\n")
+
+salt = "#{username}@#{url}"
+iterations = 5000
+digest = OpenSSL::Digest::SHA512.new
+pbkdf2 = OpenSSL::PKCS5.pbkdf2_hmac(passphrase, salt, iterations, length, digest)
+password = Base64.encode64(pbkdf2).chomp[0..length-1]
+puts(password)