Sha256: 4a69b01eb77308da37531e34ee15d78955a884b8b3ac3fb0f1b62803e9425a55
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Size: 808 Bytes
Versions: 7
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Stored size: 808 Bytes
Contents
require 'mongoid/kms'
module Mongoid
module Kms
module ClassMethods
def encrypt_field(object, field_name, value)
Rot13.rotate(value, 13)
end
def decrypt_field(object, field_name, data, encryption_context = nil)
Rot13.rotate(data, -13)
end
end
# inline Rot13 gem, as seen in
# https://github.com/jrobertson/rot13/blob/012c9c37d767a364f793db00890dee82d9a65732/lib/rot13.rb
# so we don't add unnecessary dependencies
class Rot13
def self.rotate(s,deg=13)
a = ('a'..'z').map.with_index{|x,i| [x.chr,i] }
r = s.split(//).map do |x|
item = a.assoc(x.downcase)
c = item ? a.rotate(deg)[item.last].first : x
x == x.downcase ? c : c.upcase
end
r.join
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems