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44bfe72892
OpenSSL::BN has been make ractor-safed in 9e7cf9e , but there was no test. And to use 'ractor' annotation, update test-unit to v3.4.6 or higher. https://github.com/ruby/openssl/commit/7541a66911
364 lines
11 KiB
Ruby
364 lines
11 KiB
Ruby
# coding: us-ascii
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# frozen_string_literal: true
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require_relative 'utils'
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if defined?(OpenSSL)
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class OpenSSL::TestBN < OpenSSL::TestCase
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def setup
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super
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@e1 = OpenSSL::BN.new(999.to_s(16), 16) # OpenSSL::BN.new(str, 16) must be most stable
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@e2 = OpenSSL::BN.new("-" + 999.to_s(16), 16)
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@e3 = OpenSSL::BN.new((2**107-1).to_s(16), 16)
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@e4 = OpenSSL::BN.new("-" + (2**107-1).to_s(16), 16)
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end
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def test_new
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assert_raise(ArgumentError) { OpenSSL::BN.new }
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assert_raise(ArgumentError) { OpenSSL::BN.new(nil) }
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assert_raise(ArgumentError) { OpenSSL::BN.new(nil, 2) }
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assert_equal(@e1, OpenSSL::BN.new("999"))
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assert_equal(@e1, OpenSSL::BN.new("999", 10))
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assert_equal(@e1, OpenSSL::BN.new("\x03\xE7", 2))
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assert_equal(@e1, OpenSSL::BN.new("\x00\x00\x00\x02\x03\xE7", 0))
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assert_equal(@e2, OpenSSL::BN.new("-999"))
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assert_equal(@e2, OpenSSL::BN.new("-999", 10))
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assert_equal(@e2, OpenSSL::BN.new("\x00\x00\x00\x02\x83\xE7", 0))
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assert_equal(@e3, OpenSSL::BN.new((2**107-1).to_s))
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assert_equal(@e3, OpenSSL::BN.new((2**107-1).to_s, 10))
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assert_equal(@e3, OpenSSL::BN.new("\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 2))
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assert_equal(@e3, OpenSSL::BN.new("\x00\x00\x00\x0E\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 0))
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assert_equal(@e4, OpenSSL::BN.new("-" + (2**107-1).to_s))
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assert_equal(@e4, OpenSSL::BN.new("-" + (2**107-1).to_s, 10))
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assert_equal(@e4, OpenSSL::BN.new("\x00\x00\x00\x0E\x87\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 0))
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e1copy = OpenSSL::BN.new(@e1)
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assert_equal(@e1, e1copy)
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e1copy.clear_bit!(0) #=> 998
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assert_not_equal(@e1, e1copy)
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assert_equal(@e1, OpenSSL::BN.new(999))
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assert_equal(@e2, OpenSSL::BN.new(-999))
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assert_equal(@e3, OpenSSL::BN.new(2**107-1))
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assert_equal(@e4, OpenSSL::BN.new(-(2**107-1)))
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assert_equal(@e1, 999.to_bn)
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assert_equal(@e2, -999.to_bn)
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assert_equal(@e3, (2**107-1).to_bn)
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assert_equal(@e4, (-(2**107-1)).to_bn)
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end
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def test_to_str
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assert_equal("999", @e1.to_s(10))
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assert_equal("-999", @e2.to_s(10))
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assert_equal((2**107-1).to_s, @e3.to_s(10))
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assert_equal((-(2**107-1)).to_s, @e4.to_s(10))
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assert_equal("999", @e1.to_s)
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assert_equal("03E7", @e1.to_s(16))
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assert_equal("-03E7", @e2.to_s(16))
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assert_equal("07FFFFFFFFFFFFFFFFFFFFFFFFFF", @e3.to_s(16))
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assert_equal("-07FFFFFFFFFFFFFFFFFFFFFFFFFF", @e4.to_s(16))
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assert_equal("\x03\xe7", @e1.to_s(2))
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assert_equal("\x03\xe7", @e2.to_s(2))
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assert_equal("\x07\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", @e3.to_s(2))
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assert_equal("\x07\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", @e4.to_s(2))
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assert_equal("\x00\x00\x00\x02\x03\xe7", @e1.to_s(0))
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assert_equal("\x00\x00\x00\x02\x83\xe7", @e2.to_s(0))
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assert_equal("\x00\x00\x00\x0e\x07\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", @e3.to_s(0))
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assert_equal("\x00\x00\x00\x0e\x87\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", @e4.to_s(0))
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end
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def test_to_int
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assert_equal(999, @e1.to_i)
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assert_equal(-999, @e2.to_i)
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assert_equal(2**107-1, @e3.to_i)
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assert_equal(-(2**107-1), @e4.to_i)
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assert_equal(999, @e1.to_int)
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end
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def test_coerce
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assert_equal(["", "-999"], @e2.coerce(""))
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assert_equal([1000, -999], @e2.coerce(1000))
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assert_raise(TypeError) { @e2.coerce(Class.new.new) }
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end
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def test_zero_p
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assert_equal(true, 0.to_bn.zero?)
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assert_equal(false, 1.to_bn.zero?)
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end
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def test_one_p
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assert_equal(true, 1.to_bn.one?)
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assert_equal(false, 2.to_bn.one?)
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end
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def test_odd_p
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assert_equal(true, 1.to_bn.odd?)
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assert_equal(false, 2.to_bn.odd?)
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end
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def test_negative_p
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assert_equal(false, 0.to_bn.negative?)
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assert_equal(false, @e1.negative?)
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assert_equal(true, @e2.negative?)
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end
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def test_sqr
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assert_equal(1, 1.to_bn.sqr)
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assert_equal(100, 10.to_bn.sqr)
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end
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def test_four_ops
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assert_equal(3, 1.to_bn + 2)
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assert_equal(-1, 1.to_bn + -2)
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assert_equal(-1, 1.to_bn - 2)
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assert_equal(3, 1.to_bn - -2)
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assert_equal(2, 1.to_bn * 2)
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assert_equal(-2, 1.to_bn * -2)
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assert_equal([0, 1], 1.to_bn / 2)
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assert_equal([2, 0], 2.to_bn / 1)
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assert_raise(OpenSSL::BNError) { 1.to_bn / 0 }
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end
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def test_unary_plus_minus
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assert_equal(999, +@e1)
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assert_equal(-999, +@e2)
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assert_equal(-999, -@e1)
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assert_equal(+999, -@e2)
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# These methods create new BN instances due to BN mutability
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# Ensure that the instance isn't the same
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e1_plus = +@e1
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e1_minus = -@e1
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assert_equal(false, @e1.equal?(e1_plus))
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assert_equal(true, @e1 == e1_plus)
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assert_equal(false, @e1.equal?(e1_minus))
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end
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def test_abs
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assert_equal(@e1, @e2.abs)
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assert_equal(@e3, @e4.abs)
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assert_not_equal(@e2, @e2.abs)
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assert_not_equal(@e4, @e4.abs)
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assert_equal(false, @e2.abs.negative?)
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assert_equal(false, @e4.abs.negative?)
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assert_equal(true, (-@e1.abs).negative?)
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assert_equal(true, (-@e2.abs).negative?)
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assert_equal(true, (-@e3.abs).negative?)
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assert_equal(true, (-@e4.abs).negative?)
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end
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def test_mod
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assert_equal(1, 1.to_bn % 2)
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assert_equal(0, 2.to_bn % 1)
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assert_equal(-2, -2.to_bn % 7)
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end
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def test_exp
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assert_equal(1, 1.to_bn ** 5)
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assert_equal(32, 2.to_bn ** 5)
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end
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def test_gcd
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assert_equal(1, 7.to_bn.gcd(5))
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assert_equal(8, 24.to_bn.gcd(16))
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end
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def test_mod_sqr
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assert_equal(4, 3.to_bn.mod_sqr(5))
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assert_equal(0, 59.to_bn.mod_sqr(59))
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end
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def test_mod_inverse
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assert_equal(2, 3.to_bn.mod_inverse(5))
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assert_raise(OpenSSL::BNError) { 3.to_bn.mod_inverse(6) }
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end
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def test_mod_add
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assert_equal(1, 3.to_bn.mod_add(5, 7))
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assert_equal(2, 3.to_bn.mod_add(5, 3))
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assert_equal(5, 3.to_bn.mod_add(-5, 7))
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end
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def test_mod_sub
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assert_equal(1, 11.to_bn.mod_sub(3, 7))
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assert_equal(2, 11.to_bn.mod_sub(3, 3))
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assert_equal(5, 3.to_bn.mod_sub(5, 7))
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end
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def test_mod_mul
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assert_equal(1, 2.to_bn.mod_mul(4, 7))
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assert_equal(5, 2.to_bn.mod_mul(-1, 7))
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end
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def test_mod_exp
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assert_equal(1, 3.to_bn.mod_exp(2, 8))
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assert_equal(4, 2.to_bn.mod_exp(5, 7))
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end
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def test_bit_operations
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e = 0b10010010.to_bn
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assert_equal(0b10010011, e.set_bit!(0))
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assert_equal(0b10010011, e.set_bit!(1))
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assert_equal(0b1010010011, e.set_bit!(9))
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e = 0b10010010.to_bn
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assert_equal(0b10010010, e.clear_bit!(0))
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assert_equal(0b10010000, e.clear_bit!(1))
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e = 0b10010010.to_bn
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assert_equal(0b10010010, e.mask_bits!(8))
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assert_equal(0b10, e.mask_bits!(3))
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e = 0b10010010.to_bn
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assert_equal(false, e.bit_set?(0))
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assert_equal(true, e.bit_set?(1))
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assert_equal(false, e.bit_set?(1000))
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e = 0b10010010.to_bn
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assert_equal(0b1001001000, e << 2)
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assert_equal(0b10010010, e)
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assert_equal(0b1001001000, e.lshift!(2))
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assert_equal(0b1001001000, e)
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e = 0b10010010.to_bn
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assert_equal(0b100100, e >> 2)
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assert_equal(0b10010010, e)
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assert_equal(0b100100, e.rshift!(2))
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assert_equal(0b100100, e)
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end
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def test_random
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10.times {
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r1 = OpenSSL::BN.rand(8)
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assert_include(128..255, r1)
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r2 = OpenSSL::BN.rand(8, -1)
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assert_include(0..255, r2)
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r3 = OpenSSL::BN.rand(8, 1)
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assert_include(192..255, r3)
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r4 = OpenSSL::BN.rand(8, 1, true)
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assert_include(192..255, r4)
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assert_equal(true, r4.odd?)
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r5 = OpenSSL::BN.rand_range(256)
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assert_include(0..255, r5)
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}
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# Aliases
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assert_include(128..255, OpenSSL::BN.pseudo_rand(8))
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assert_include(0..255, OpenSSL::BN.pseudo_rand_range(256))
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end
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begin
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require "prime"
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def test_prime
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p1 = OpenSSL::BN.generate_prime(32)
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assert_include(0...2**32, p1)
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assert_equal(true, Prime.prime?(p1.to_i))
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p2 = OpenSSL::BN.generate_prime(32, true)
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assert_equal(true, Prime.prime?((p2.to_i - 1) / 2))
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p3 = OpenSSL::BN.generate_prime(32, false, 4)
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assert_equal(1, p3 % 4)
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p4 = OpenSSL::BN.generate_prime(32, false, 4, 3)
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assert_equal(3, p4 % 4)
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assert_equal(true, p1.prime?)
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assert_equal(true, p2.prime?)
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assert_equal(true, p3.prime?)
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assert_equal(true, p4.prime?)
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assert_equal(true, @e3.prime?)
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assert_equal(true, @e3.prime_fasttest?)
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end
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rescue LoadError
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# prime is the bundled gems at Ruby 3.1
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end
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def test_num_bits_bytes
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assert_equal(10, @e1.num_bits)
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assert_equal(2, @e1.num_bytes)
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assert_equal(107, @e3.num_bits)
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assert_equal(14, @e3.num_bytes)
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assert_equal(0, 0.to_bn.num_bits)
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assert_equal(0, 0.to_bn.num_bytes)
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assert_equal(9, -256.to_bn.num_bits)
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assert_equal(2, -256.to_bn.num_bytes)
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end
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def test_comparison
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assert_equal(false, @e1 == nil)
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assert_equal(false, @e1 == -999)
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assert_equal(true, @e1 == 999)
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assert_equal(true, @e1 == 999.to_bn)
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assert_equal(false, @e1.eql?(nil))
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assert_equal(false, @e1.eql?(999))
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assert_equal(true, @e1.eql?(999.to_bn))
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assert_equal(@e1.hash, 999.to_bn.hash)
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assert_not_equal(@e1.hash, @e3.hash)
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assert_equal(0, @e1.cmp(999))
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assert_equal(1, @e1.cmp(-999))
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assert_equal(0, @e1.ucmp(999))
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assert_equal(0, @e1.ucmp(-999))
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assert_instance_of(String, @e1.hash.to_s)
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end
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def test_argument_error
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bug15760 = '[ruby-core:92231] [Bug #15760]'
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assert_raise(ArgumentError, bug15760) { OpenSSL::BN.new(nil, 2) }
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end
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def test_get_flags_and_set_flags
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e = OpenSSL::BN.new(999)
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assert_equal(0, e.get_flags(OpenSSL::BN::CONSTTIME))
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e.set_flags(OpenSSL::BN::CONSTTIME)
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assert_equal(OpenSSL::BN::CONSTTIME, e.get_flags(OpenSSL::BN::CONSTTIME))
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b = OpenSSL::BN.new(2)
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m = OpenSSL::BN.new(99)
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assert_equal("17", b.mod_exp(e, m).to_s)
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# mod_exp fails when m is even and any argument has CONSTTIME flag
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m = OpenSSL::BN.new(98)
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assert_raise(OpenSSL::BNError) do
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b.mod_exp(e, m)
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end
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# It looks like flags cannot be removed once enabled
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e.set_flags(0)
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assert_equal(4, e.get_flags(OpenSSL::BN::CONSTTIME))
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end
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if respond_to?(:ractor)
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ractor
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def test_ractor
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assert_equal(@e1, Ractor.new { OpenSSL::BN.new("999") }.take)
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assert_equal(@e3, Ractor.new { OpenSSL::BN.new("\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 2) }.take)
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assert_equal("999", Ractor.new(@e1) { |e1| e1.to_s }.take)
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assert_equal("07FFFFFFFFFFFFFFFFFFFFFFFFFF", Ractor.new(@e3) { |e3| e3.to_s(16) }.take)
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assert_equal(2**107-1, Ractor.new(@e3) { _1.to_i }.take)
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assert_equal([1000, -999], Ractor.new(@e2) { _1.coerce(1000) }.take)
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assert_equal(false, Ractor.new { 1.to_bn.zero? }.take)
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assert_equal(true, Ractor.new { 1.to_bn.one? }.take)
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assert_equal(true, Ractor.new(@e2) { _1.negative? }.take)
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assert_equal("-03E7", Ractor.new(@e2) { _1.to_s(16) }.take)
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assert_equal(2**107-1, Ractor.new(@e3) { _1.to_i }.take)
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assert_equal([1000, -999], Ractor.new(@e2) { _1.coerce(1000) }.take)
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assert_equal(true, Ractor.new { 0.to_bn.zero? }.take)
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assert_equal(true, Ractor.new { 1.to_bn.one? }.take )
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assert_equal(false,Ractor.new { 2.to_bn.odd? }.take)
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assert_equal(true, Ractor.new(@e2) { _1.negative? }.take)
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assert_include(128..255, Ractor.new { OpenSSL::BN.rand(8)}.take)
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assert_include(0...2**32, Ractor.new { OpenSSL::BN.generate_prime(32) }.take)
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assert_equal(0, Ractor.new { OpenSSL::BN.new(999).get_flags(OpenSSL::BN::CONSTTIME) }.take)
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end
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end
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end
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end
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