1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++
require 'rubygems'
##
# There is an incompatibility between the way Ruby 1.8.5 and 1.8.6 handles
# digests. This DigestAdapter will take a pre-1.8.6 digest and adapt it to
# the 1.8.6 API.
#
# Note that only the digest and hexdigest methods are adapted, since these
# are the only functions used by RubyGems.
class Gem::DigestAdapter
##
# Initialize a digest adapter.
def initialize(digest_class)
@digest_class = digest_class
end
##
# Return a new digester. Since we are only implementing the stateless
# methods, we will return ourself as the instance.
def new
self
end
##
# Return the digest of +string+ as a hex string.
def hexdigest(string)
@digest_class.new(string).hexdigest
end
##
# Return the digest of +string+ as a binary string.
def digest(string)
@digest_class.new(string).digest
end
end
|
