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# $Id: psw.rb 73 2006-04-24 21:59:35Z blackhedd $

#

#

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# Copyright (C) 2006 by Francis Cianfrocca. All Rights Reserved.

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#

module Net

class LDAP

class Password

  class << self

  # Generate a password-hash suitable for inclusion in an LDAP attribute.

  # Pass a hash type (currently supported: :md5 and :sha) and a plaintext

  # password. This function will return a hashed representation.

  # STUB: This is here to fulfill the requirements of an RFC, which one?

  # TODO, gotta do salted-sha and (maybe) salted-md5.

  # Should we provide sha1 as a synonym for sha1? I vote no because then

  # should you also provide ssha1 for symmetry?

  def generate( type, str )

    case type

    when :md5

      require 'md5'

      "{MD5}#{ [MD5.new( str.to_s ).digest].pack("m").chomp }"

    when :sha

      require 'sha1'

      "{SHA}#{ [SHA1.new( str.to_s ).digest].pack("m").chomp }"

    # when ssha

    else

      raise Net::LDAP::LdapError.new( "unsupported password-hash type (#{type})" )

    end

  end

  end

end

end # class LDAP

end # module Net