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require 'hmac'
require 'digest/sha2'
module HMAC
class SHA256 < Base
def initialize(key = nil)
super(Digest::SHA256, 64, 32, key)
end
public_class_method :new, :digest, :hexdigest
end
class SHA384 < Base
def initialize(key = nil)
super(Digest::SHA384, 128, 48, key)
end
public_class_method :new, :digest, :hexdigest
end
class SHA512 < Base
def initialize(key = nil)
super(Digest::SHA512, 128, 64, key)
end
public_class_method :new, :digest, :hexdigest
end
end
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