ruby/test/openssl/test_cipher.rb

122 строки
3.3 KiB
Ruby

require_relative 'utils'
if defined?(OpenSSL)
class OpenSSL::TestCipher < Test::Unit::TestCase
def setup
@c1 = OpenSSL::Cipher::Cipher.new("DES-EDE3-CBC")
@c2 = OpenSSL::Cipher::DES.new(:EDE3, "CBC")
@key = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
@iv = "\0\0\0\0\0\0\0\0"
@hexkey = "0000000000000000000000000000000000000000000000"
@hexiv = "0000000000000000"
@data = "DATA"
end
def teardown
@c1 = @c2 = nil
end
def test_crypt
@c1.encrypt.pkcs5_keyivgen(@key, @iv)
@c2.encrypt.pkcs5_keyivgen(@key, @iv)
s1 = @c1.update(@data) + @c1.final
s2 = @c2.update(@data) + @c2.final
assert_equal(s1, s2, "encrypt")
@c1.decrypt.pkcs5_keyivgen(@key, @iv)
@c2.decrypt.pkcs5_keyivgen(@key, @iv)
assert_equal(@data, @c1.update(s1)+@c1.final, "decrypt")
assert_equal(@data, @c2.update(s2)+@c2.final, "decrypt")
end
def test_info
assert_equal("DES-EDE3-CBC", @c1.name, "name")
assert_equal("DES-EDE3-CBC", @c2.name, "name")
assert_kind_of(Fixnum, @c1.key_len, "key_len")
assert_kind_of(Fixnum, @c1.iv_len, "iv_len")
end
def test_dup
assert_equal(@c1.name, @c1.dup.name, "dup")
assert_equal(@c1.name, @c1.clone.name, "clone")
@c1.encrypt
@c1.key = @key
@c1.iv = @iv
tmpc = @c1.dup
s1 = @c1.update(@data) + @c1.final
s2 = tmpc.update(@data) + tmpc.final
assert_equal(s1, s2, "encrypt dup")
end
def test_reset
@c1.encrypt
@c1.key = @key
@c1.iv = @iv
s1 = @c1.update(@data) + @c1.final
@c1.reset
s2 = @c1.update(@data) + @c1.final
assert_equal(s1, s2, "encrypt reset")
end
def test_empty_data
@c1.encrypt
assert_raise(ArgumentError){ @c1.update("") }
end
def test_initialize
assert_raise(RuntimeError) {@c1.__send__(:initialize, "DES-EDE3-CBC")}
assert_raise(RuntimeError) {OpenSSL::Cipher.allocate.final}
end
def test_ctr_if_exists
begin
cipher = OpenSSL::Cipher.new('aes-128-ctr')
cipher.encrypt
cipher.pkcs5_keyivgen('password')
c = cipher.update('hello,world') + cipher.final
cipher.decrypt
cipher.pkcs5_keyivgen('password')
assert_equal('hello,world', cipher.update(c) + cipher.final)
rescue RuntimeError => e
# CTR is from OpenSSL 1.0.1, and for an environment that disables CTR; No idea it exists.
assert_match(/unsupported cipher algorithm/, e.message)
end
end
if OpenSSL::OPENSSL_VERSION_NUMBER > 0x00907000
def test_ciphers
OpenSSL::Cipher.ciphers.each{|name|
next if /netbsd/ =~ RUBY_PLATFORM && /idea|rc5/i =~ name
assert(OpenSSL::Cipher::Cipher.new(name).is_a?(OpenSSL::Cipher::Cipher))
}
end
def test_AES
pt = File.read(__FILE__)
%w(ECB CBC CFB OFB).each{|mode|
c1 = OpenSSL::Cipher::AES256.new(mode)
c1.encrypt
c1.pkcs5_keyivgen("passwd")
ct = c1.update(pt) + c1.final
c2 = OpenSSL::Cipher::AES256.new(mode)
c2.decrypt
c2.pkcs5_keyivgen("passwd")
assert_equal(pt, c2.update(ct) + c2.final)
}
end
def test_AES_crush
500.times do
assert_nothing_raised("[Bug #2768]") do
# it caused OpenSSL SEGV by uninitialized key
OpenSSL::Cipher::AES128.new("ECB").update "." * 17
end
end
end
end
end
end