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0ede9926f7
* ext/openssl/lib/openssl/digest.rb (digest, hexdigest): create new instance and call on it directly, to get rid of deprecated class OpenSSL::Digest::Digest. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
94 lines
2 KiB
Ruby
94 lines
2 KiB
Ruby
#--
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#
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# $RCSfile$
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#
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# = Ruby-space predefined Digest subclasses
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#
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# = Info
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# 'OpenSSL for Ruby 2' project
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# Copyright (C) 2002 Michal Rokos <m.rokos@sh.cvut.cz>
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# All rights reserved.
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#
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# = Licence
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# This program is licenced under the same licence as Ruby.
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# (See the file 'LICENCE'.)
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#
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# = Version
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# $Id$
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#
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#++
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module OpenSSL
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class Digest
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alg = %w(DSS DSS1 MD2 MD4 MD5 MDC2 RIPEMD160 SHA SHA1)
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if OPENSSL_VERSION_NUMBER > 0x00908000
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alg += %w(SHA224 SHA256 SHA384 SHA512)
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end
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# Return the +data+ hash computed with +name+ Digest. +name+ is either the
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# long name or short name of a supported digest algorithm.
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#
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# === Examples
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#
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# OpenSSL::Digest.digest("SHA256", "abc")
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#
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# which is equivalent to:
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#
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# OpenSSL::Digest::SHA256.digest("abc")
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def self.digest(name, data)
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super(data, name)
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end
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alg.each{|name|
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klass = Class.new(Digest){
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define_method(:initialize){|*data|
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if data.length > 1
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raise ArgumentError,
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"wrong number of arguments (#{data.length} for 1)"
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end
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super(name, data.first)
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}
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}
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singleton = (class << klass; self; end)
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singleton.class_eval{
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define_method(:digest){|data| new.digest(data) }
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define_method(:hexdigest){|data| new.hexdigest(data) }
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}
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const_set(name, klass)
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}
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# Deprecated.
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#
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# This class is only provided for backwards compatibility.
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class Digest < Digest # :nodoc:
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# Deprecated.
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#
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# See OpenSSL::Digest.new
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def initialize(*args)
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warn('Digest::Digest is deprecated; use Digest')
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super(*args)
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end
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end
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end # Digest
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# Returns a Digest subclass by +name+.
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#
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# require 'openssl'
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#
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# OpenSSL::Digest("MD5")
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# # => OpenSSL::Digest::MD5
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#
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# Digest("Foo")
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# # => NameError: wrong constant name Foo
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def Digest(name)
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OpenSSL::Digest.const_get(name)
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end
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module_function :Digest
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end # OpenSSL
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