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CVC & CVC2 working

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Dan Milne
2011-11-25 22:30:30 +11:00
parent 459139173f
commit ac248234bb
4 changed files with 170 additions and 33 deletions
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22
lib/component.rb
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@@ -3,7 +3,6 @@ module HSMR
include HSMR
attr_reader :key
attr_reader :length
attr_reader :parity
def component
@key
@@ -22,15 +21,18 @@ module HSMR
@key = @key
end
def xor(other)
other = Component.new(other) unless other.is_a? Component
raise TypeError, "Component argument expected" unless other.is_a? Component
@a = @key.unpack('C2'*(@key.length/2))
@b = other.component.unpack('C2'*(other.component.length/2))
result = @a.zip(@b).map {|x,y| x^y}.map {|z| z.to_s(16) }.join.upcase
Key.new(result)
end
# def xor(other)
# other = Component.new(other) unless other.is_a? Component
# raise TypeError, "Component argument expected" unless other.is_a? Component
#
# @a = @key.unpack('C2'*(@key.length/2))
# @b = other.component.unpack('C2'*(other.component.length/2))
#
# #result = @a.zip(@b).map {|x,y| x^y}.map {|z| z.to_s(16) }.join.upcase
# result = @a.zip(@b).map {|x,y| x^y}.map {|z| z.to_s(16) }.map {|c| c.length == 1 ? '0'+c : c }.join.upcase
#
# Key.new(result)
# end
end
end