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path: root/jni/ruby/test/openssl/test_digest.rb
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require_relative 'utils'

if defined?(OpenSSL::TestUtils)

class OpenSSL::TestDigest < Test::Unit::TestCase
  def setup
    @d1 = OpenSSL::Digest.new("MD5")
    @d2 = OpenSSL::Digest::MD5.new
    @md = Digest::MD5.new
    @data = "DATA"
  end

  def teardown
    @d1 = @d2 = @md = nil
  end

  def test_digest
    assert_equal(@md.digest, @d1.digest)
    assert_equal(@md.hexdigest, @d1.hexdigest)
    @d1 << @data
    @d2 << @data
    @md << @data
    assert_equal(@md.digest, @d1.digest)
    assert_equal(@md.hexdigest, @d1.hexdigest)
    assert_equal(@d1.digest, @d2.digest)
    assert_equal(@d1.hexdigest, @d2.hexdigest)
    assert_equal(@md.digest, OpenSSL::Digest::MD5.digest(@data))
    assert_equal(@md.hexdigest, OpenSSL::Digest::MD5.hexdigest(@data))
  end

  def test_eql
    assert(@d1 == @d2, "==")
    d = @d1.clone
    assert(d == @d1, "clone")
  end

  def test_info
    assert_equal("MD5", @d1.name, "name")
    assert_equal("MD5", @d2.name, "name")
    assert_equal(16, @d1.size, "size")
  end

  def test_dup
    @d1.update(@data)
    assert_equal(@d1.name, @d1.dup.name, "dup")
    assert_equal(@d1.name, @d1.clone.name, "clone")
    assert_equal(@d1.digest, @d1.clone.digest, "clone .digest")
  end

  def test_reset
    @d1.update(@data)
    dig1 = @d1.digest
    @d1.reset
    @d1.update(@data)
    dig2 = @d1.digest
    assert_equal(dig1, dig2, "reset")
  end

  def test_digest_constants
    algs = %w(DSS1 MD4 MD5 RIPEMD160 SHA SHA1)
    if OpenSSL::OPENSSL_VERSION_NUMBER > 0x00908000
      algs += %w(SHA224 SHA256 SHA384 SHA512)
    end
    algs.each do |alg|
      assert_not_nil(OpenSSL::Digest.new(alg))
      klass = OpenSSL::Digest.const_get(alg)
      assert_not_nil(klass.new)
    end
  end

  def test_digest_by_oid_and_name
    check_digest(OpenSSL::ASN1::ObjectId.new("MD5"))
    check_digest(OpenSSL::ASN1::ObjectId.new("SHA1"))
  end

  if OpenSSL::OPENSSL_VERSION_NUMBER > 0x00908000
    def encode16(str)
      str.unpack("H*").first
    end

    def test_098_features
      sha224_a = "abd37534c7d9a2efb9465de931cd7055ffdb8879563ae98078d6d6d5"
      sha256_a = "ca978112ca1bbdcafac231b39a23dc4da786eff8147c4e72b9807785afee48bb"
      sha384_a = "54a59b9f22b0b80880d8427e548b7c23abd873486e1f035dce9cd697e85175033caa88e6d57bc35efae0b5afd3145f31"
      sha512_a = "1f40fc92da241694750979ee6cf582f2d5d7d28e18335de05abc54d0560e0f5302860c652bf08d560252aa5e74210546f369fbbbce8c12cfc7957b2652fe9a75"

      assert_equal(sha224_a, OpenSSL::Digest::SHA224.hexdigest("a"))
      assert_equal(sha256_a, OpenSSL::Digest::SHA256.hexdigest("a"))
      assert_equal(sha384_a, OpenSSL::Digest::SHA384.hexdigest("a"))
      assert_equal(sha512_a, OpenSSL::Digest::SHA512.hexdigest("a"))

      assert_equal(sha224_a, encode16(OpenSSL::Digest::SHA224.digest("a")))
      assert_equal(sha256_a, encode16(OpenSSL::Digest::SHA256.digest("a")))
      assert_equal(sha384_a, encode16(OpenSSL::Digest::SHA384.digest("a")))
      assert_equal(sha512_a, encode16(OpenSSL::Digest::SHA512.digest("a")))
    end

    def test_digest_by_oid_and_name_sha2
      check_digest(OpenSSL::ASN1::ObjectId.new("SHA224"))
      check_digest(OpenSSL::ASN1::ObjectId.new("SHA256"))
      check_digest(OpenSSL::ASN1::ObjectId.new("SHA384"))
      check_digest(OpenSSL::ASN1::ObjectId.new("SHA512"))
    end
  end

  def test_openssl_digest
    assert_equal OpenSSL::Digest::MD5, OpenSSL::Digest("MD5")

    assert_raises NameError do
      OpenSSL::Digest("no such digest")
    end
  end

  private

  def check_digest(oid)
    d = OpenSSL::Digest.new(oid.sn)
    assert_not_nil(d)
    d = OpenSSL::Digest.new(oid.ln)
    assert_not_nil(d)
    d = OpenSSL::Digest.new(oid.oid)
    assert_not_nil(d)
  end
end

end