# File lib/rye.rb, line 101
101:   def find_private_keys(path)
102:     raise "#{path} does not exist" unless File.exists?(path || '')
103:     if File.directory?(path)
104:       files = Dir.entries(path).collect { |file| File.join(path, file) }
105:     else
106:       files = [path]
107:     end
108:     
109:     files = files.select do |file|
110:       next if File.directory?(file)
111:       pk = nil
112:       begin
113:         tmp = Rye::Key.from_file(file) 
114:         pk = tmp if tmp.private?
115:       rescue OpenSSL::PKey::PKeyError
116:       end
117:       !pk.nil?
118:     end
119:     files || []
120:   end