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-rw-r--r--trunk/ext/digest/lib/digest/hmac.rb274
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diff --git a/trunk/ext/digest/lib/digest/hmac.rb b/trunk/ext/digest/lib/digest/hmac.rb
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--- a/trunk/ext/digest/lib/digest/hmac.rb
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@@ -1,274 +0,0 @@
-# = digest/hmac.rb
-#
-# An implementation of HMAC keyed-hashing algorithm
-#
-# == Overview
-#
-# This library adds a method named hmac() to Digest classes, which
-# creates a Digest class for calculating HMAC digests.
-#
-# == Examples
-#
-# require 'digest/hmac'
-#
-# # one-liner example
-# puts Digest::HMAC.hexdigest("data", "hash key", Digest::SHA1)
-#
-# # rather longer one
-# hmac = Digest::HMAC.new("foo", Digest::RMD160)
-#
-# buf = ""
-# while stream.read(16384, buf)
-# hmac.update(buf)
-# end
-#
-# puts hmac.bubblebabble
-#
-# == License
-#
-# Copyright (c) 2006 Akinori MUSHA <knu@iDaemons.org>
-#
-# Documentation by Akinori MUSHA
-#
-# All rights reserved. You can redistribute and/or modify it under
-# the same terms as Ruby.
-#
-# $Id$
-#
-
-require 'digest'
-
-module Digest
- class HMAC < Digest::Class
- def initialize(key, digester)
- @md = digester.new
-
- block_len = @md.block_length
-
- if key.bytesize > block_len
- key = @md.digest(key)
- end
-
- ipad = Array.new(block_len).fill(0x36)
- opad = Array.new(block_len).fill(0x5c)
-
- key.bytes.each_with_index { |c, i|
- ipad[i] ^= c
- opad[i] ^= c
- }
-
- @key = key.freeze
- @ipad = ipad.inject('') { |s, c| s << c.chr }.freeze
- @opad = opad.inject('') { |s, c| s << c.chr }.freeze
- @md.update(@ipad)
- end
-
- def initialize_copy(other)
- @md = other.instance_eval { @md.clone }
- end
-
- def update(text)
- @md.update(text)
- self
- end
- alias << update
-
- def reset
- @md.reset
- @md.update(@ipad)
- self
- end
-
- def finish
- d = @md.digest!
- @md.update(@opad)
- @md.update(d)
- @md.digest!
- end
- private :finish
-
- def digest_length
- @md.digest_length
- end
-
- def block_length
- @md.block_length
- end
-
- def inspect
- sprintf('#<%s: key=%s, digest=%s>', self.class.name, @key.inspect, @md.inspect.sub(/^\#<(.*)>$/) { $1 });
- end
- end
-end
-
-if $0 == __FILE__
- eval DATA.read, nil, $0, __LINE__+4
-end
-
-__END__
-
-require 'test/unit'
-
-module TM_HMAC
- def test_s_hexdigest
- cases.each { |h|
- digesters.each { |d|
- assert_equal(h[:hexdigest], Digest::HMAC.hexdigest(h[:data], h[:key], d))
- }
- }
- end
-
- def test_hexdigest
- cases.each { |h|
- digesters.each { |d|
- hmac = Digest::HMAC.new(h[:key], d)
-
- hmac.update(h[:data])
-
- assert_equal(h[:hexdigest], hmac.hexdigest)
- }
- }
- end
-
- def test_reset
- cases.each { |h|
- digesters.each { |d|
- hmac = Digest::HMAC.new(h[:key], d)
- hmac.update("test")
- hmac.reset
- hmac.update(h[:data])
-
- assert_equal(h[:hexdigest], hmac.hexdigest)
- }
- }
- end
-end
-
-class TC_HMAC_MD5 < Test::Unit::TestCase
- include TM_HMAC
-
- def digesters
- [Digest::MD5, Digest::MD5.new]
- end
-
- # Taken from RFC 2202: Test Cases for HMAC-MD5 and HMAC-SHA-1
- def cases
- [
- {
- :key => "\x0b" * 16,
- :data => "Hi There",
- :hexdigest => "9294727a3638bb1c13f48ef8158bfc9d",
- }, {
- :key => "Jefe",
- :data => "what do ya want for nothing?",
- :hexdigest => "750c783e6ab0b503eaa86e310a5db738",
- }, {
- :key => "\xaa" * 16,
- :data => "\xdd" * 50,
- :hexdigest => "56be34521d144c88dbb8c733f0e8b3f6",
- }, {
- :key => "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19",
- :data => "\xcd" * 50,
- :hexdigest => "697eaf0aca3a3aea3a75164746ffaa79",
- }, {
- :key => "\x0c" * 16,
- :data => "Test With Truncation",
- :hexdigest => "56461ef2342edc00f9bab995690efd4c",
- }, {
- :key => "\xaa" * 80,
- :data => "Test Using Larger Than Block-Size Key - Hash Key First",
- :hexdigest => "6b1ab7fe4bd7bf8f0b62e6ce61b9d0cd",
- }, {
- :key => "\xaa" * 80,
- :data => "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data",
- :hexdigest => "6f630fad67cda0ee1fb1f562db3aa53e",
- }
- ]
- end
-end
-
-class TC_HMAC_SHA1 < Test::Unit::TestCase
- include TM_HMAC
-
- def digesters
- [Digest::SHA1, Digest::SHA1.new]
- end
-
- # Taken from RFC 2202: Test Cases for HMAC-MD5 and HMAC-SHA-1
- def cases
- [
- {
- :key => "\x0b" * 20,
- :data => "Hi There",
- :hexdigest => "b617318655057264e28bc0b6fb378c8ef146be00",
- }, {
- :key => "Jefe",
- :data => "what do ya want for nothing?",
- :hexdigest => "effcdf6ae5eb2fa2d27416d5f184df9c259a7c79",
- }, {
- :key => "\xaa" * 20,
- :data => "\xdd" * 50,
- :hexdigest => "125d7342b9ac11cd91a39af48aa17b4f63f175d3",
- }, {
- :key => "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19",
- :data => "\xcd" * 50,
- :hexdigest => "4c9007f4026250c6bc8414f9bf50c86c2d7235da",
- }, {
- :key => "\x0c" * 20,
- :data => "Test With Truncation",
- :hexdigest => "4c1a03424b55e07fe7f27be1d58bb9324a9a5a04",
- }, {
- :key => "\xaa" * 80,
- :data => "Test Using Larger Than Block-Size Key - Hash Key First",
- :hexdigest => "aa4ae5e15272d00e95705637ce8a3b55ed402112",
- }, {
- :key => "\xaa" * 80,
- :data => "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data",
- :hexdigest => "e8e99d0f45237d786d6bbaa7965c7808bbff1a91",
- }
- ]
- end
-end
-
-class TC_HMAC_RMD160 < Test::Unit::TestCase
- include TM_HMAC
-
- def digesters
- [Digest::RMD160, Digest::RMD160.new]
- end
-
- # Taken from RFC 2286: Test Cases for HMAC-RIPEMD160 and HMAC-RIPEMD128
- def cases
- [
- {
- :key => "\x0b" * 20,
- :data => "Hi There",
- :hexdigest => "24cb4bd67d20fc1a5d2ed7732dcc39377f0a5668",
- }, {
- :key => "Jefe",
- :data => "what do ya want for nothing?",
- :hexdigest => "dda6c0213a485a9e24f4742064a7f033b43c4069",
- }, {
- :key => "\xaa" * 20,
- :data => "\xdd" * 50,
- :hexdigest => "b0b105360de759960ab4f35298e116e295d8e7c1",
- }, {
- :key => "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19",
- :data => "\xcd" * 50,
- :hexdigest => "d5ca862f4d21d5e610e18b4cf1beb97a4365ecf4",
- }, {
- :key => "\x0c" * 20,
- :data => "Test With Truncation",
- :hexdigest => "7619693978f91d90539ae786500ff3d8e0518e39",
- }, {
- :key => "\xaa" * 80,
- :data => "Test Using Larger Than Block-Size Key - Hash Key First",
- :hexdigest => "6466ca07ac5eac29e1bd523e5ada7605b791fd8b",
- }, {
- :key => "\xaa" * 80,
- :data => "Test Using Larger Than Block-Size Key and Larger Than One Block-Size Data",
- :hexdigest => "69ea60798d71616cce5fd0871e23754cd75d5a0a",
- }
- ]
- end
-end
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