зеркало из https://github.com/github/ruby.git
79 строки
3.4 KiB
Ruby
79 строки
3.4 KiB
Ruby
# frozen_string_literal: true
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require_relative "utils"
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require 'benchmark'
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if defined?(OpenSSL)
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class OpenSSL::OSSL < OpenSSL::SSLTestCase
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def test_fixed_length_secure_compare
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assert_raise(ArgumentError) { OpenSSL.fixed_length_secure_compare("aaa", "a") }
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assert_raise(ArgumentError) { OpenSSL.fixed_length_secure_compare("aaa", "aa") }
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assert OpenSSL.fixed_length_secure_compare("aaa", "aaa")
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assert OpenSSL.fixed_length_secure_compare(
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OpenSSL::Digest.digest('SHA256', "aaa"), OpenSSL::Digest::SHA256.digest("aaa")
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)
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assert_raise(ArgumentError) { OpenSSL.fixed_length_secure_compare("aaa", "aaaa") }
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refute OpenSSL.fixed_length_secure_compare("aaa", "baa")
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refute OpenSSL.fixed_length_secure_compare("aaa", "aba")
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refute OpenSSL.fixed_length_secure_compare("aaa", "aab")
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assert_raise(ArgumentError) { OpenSSL.fixed_length_secure_compare("aaa", "aaab") }
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assert_raise(ArgumentError) { OpenSSL.fixed_length_secure_compare("aaa", "b") }
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assert_raise(ArgumentError) { OpenSSL.fixed_length_secure_compare("aaa", "bb") }
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refute OpenSSL.fixed_length_secure_compare("aaa", "bbb")
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assert_raise(ArgumentError) { OpenSSL.fixed_length_secure_compare("aaa", "bbbb") }
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end
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def test_secure_compare
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refute OpenSSL.secure_compare("aaa", "a")
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refute OpenSSL.secure_compare("aaa", "aa")
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assert OpenSSL.secure_compare("aaa", "aaa")
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refute OpenSSL.secure_compare("aaa", "aaaa")
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refute OpenSSL.secure_compare("aaa", "baa")
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refute OpenSSL.secure_compare("aaa", "aba")
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refute OpenSSL.secure_compare("aaa", "aab")
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refute OpenSSL.secure_compare("aaa", "aaab")
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refute OpenSSL.secure_compare("aaa", "b")
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refute OpenSSL.secure_compare("aaa", "bb")
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refute OpenSSL.secure_compare("aaa", "bbb")
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refute OpenSSL.secure_compare("aaa", "bbbb")
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end
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def test_memcmp_timing
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# Ensure using fixed_length_secure_compare takes almost exactly the same amount of time to compare two different strings.
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# Regular string comparison will short-circuit on the first non-matching character, failing this test.
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# NOTE: this test may be susceptible to noise if the system running the tests is otherwise under load.
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a = "x" * 512_000
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b = "#{a}y"
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c = "y#{a}"
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a = "#{a}x"
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a_b_time = a_c_time = 0
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100.times do
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a_b_time += Benchmark.measure { 100.times { OpenSSL.fixed_length_secure_compare(a, b) } }.real
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a_c_time += Benchmark.measure { 100.times { OpenSSL.fixed_length_secure_compare(a, c) } }.real
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end
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assert_operator(a_b_time, :<, a_c_time * 10, "fixed_length_secure_compare timing test failed")
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assert_operator(a_c_time, :<, a_b_time * 10, "fixed_length_secure_compare timing test failed")
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end
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def test_error_data
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# X509V3_EXT_nconf_nid() called from OpenSSL::X509::ExtensionFactory#create_ext is a function
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# that uses ERR_raise_data() to append additional information about the error.
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#
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# The generated message should look like:
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# "subjectAltName = IP:not.a.valid.ip.address: bad ip address (value=not.a.valid.ip.address)"
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# "subjectAltName = IP:not.a.valid.ip.address: error in extension (name=subjectAltName, value=IP:not.a.valid.ip.address)"
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ef = OpenSSL::X509::ExtensionFactory.new
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assert_raise_with_message(OpenSSL::X509::ExtensionError, /value=(IP:)?not.a.valid.ip.address\)/) {
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ef.create_ext("subjectAltName", "IP:not.a.valid.ip.address")
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}
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end
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end
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end
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