# frozen_string_literal: false require_relative 'utils' if defined?(OpenSSL) class OpenSSL::TestASN1 < OpenSSL::TestCase def test_decode_x509_certificate subj = OpenSSL::X509::Name.parse("/DC=org/DC=ruby-lang/CN=TestCA") key = Fixtures.pkey("rsa1024") now = Time.at(Time.now.to_i) # suppress usec s = 0xdeadbeafdeadbeafdeadbeafdeadbeaf exts = [ ["basicConstraints","CA:TRUE,pathlen:1",true], ["keyUsage","keyCertSign, cRLSign",true], ["subjectKeyIdentifier","hash",false], ] dgst = OpenSSL::Digest::SHA1.new cert = OpenSSL::TestUtils.issue_cert( subj, key, s, exts, nil, nil, digest: dgst, not_before: now, not_after: now+3600) asn1 = OpenSSL::ASN1.decode(cert) assert_equal(OpenSSL::ASN1::Sequence, asn1.class) assert_equal(3, asn1.value.size) tbs_cert, sig_alg, sig_val = *asn1.value assert_equal(OpenSSL::ASN1::Sequence, tbs_cert.class) assert_equal(8, tbs_cert.value.size) version = tbs_cert.value[0] assert_equal(:CONTEXT_SPECIFIC, version.tag_class) assert_equal(0, version.tag) assert_equal(1, version.value.size) assert_equal(OpenSSL::ASN1::Integer, version.value[0].class) assert_equal(2, version.value[0].value) serial = tbs_cert.value[1] assert_equal(OpenSSL::ASN1::Integer, serial.class) assert_equal(0xdeadbeafdeadbeafdeadbeafdeadbeaf, serial.value) sig = tbs_cert.value[2] assert_equal(OpenSSL::ASN1::Sequence, sig.class) assert_equal(2, sig.value.size) assert_equal(OpenSSL::ASN1::ObjectId, sig.value[0].class) assert_equal("1.2.840.113549.1.1.5", sig.value[0].oid) assert_equal(OpenSSL::ASN1::Null, sig.value[1].class) dn = tbs_cert.value[3] # issuer assert_equal(subj.hash, OpenSSL::X509::Name.new(dn).hash) assert_equal(OpenSSL::ASN1::Sequence, dn.class) assert_equal(3, dn.value.size) assert_equal(OpenSSL::ASN1::Set, dn.value[0].class) assert_equal(OpenSSL::ASN1::Set, dn.value[1].class) assert_equal(OpenSSL::ASN1::Set, dn.value[2].class) assert_equal(1, dn.value[0].value.size) assert_equal(1, dn.value[1].value.size) assert_equal(1, dn.value[2].value.size) assert_equal(OpenSSL::ASN1::Sequence, dn.value[0].value[0].class) assert_equal(OpenSSL::ASN1::Sequence, dn.value[1].value[0].class) assert_equal(OpenSSL::ASN1::Sequence, dn.value[2].value[0].class) assert_equal(2, dn.value[0].value[0].value.size) assert_equal(2, dn.value[1].value[0].value.size) assert_equal(2, dn.value[2].value[0].value.size) oid, value = *dn.value[0].value[0].value assert_equal(OpenSSL::ASN1::ObjectId, oid.class) assert_equal("0.9.2342.19200300.100.1.25", oid.oid) assert_equal(OpenSSL::ASN1::IA5String, value.class) assert_equal("org", value.value) oid, value = *dn.value[1].value[0].value assert_equal(OpenSSL::ASN1::ObjectId, oid.class) assert_equal("0.9.2342.19200300.100.1.25", oid.oid) assert_equal(OpenSSL::ASN1::IA5String, value.class) assert_equal("ruby-lang", value.value) oid, value = *dn.value[2].value[0].value assert_equal(OpenSSL::ASN1::ObjectId, oid.class) assert_equal("2.5.4.3", oid.oid) assert_equal(OpenSSL::ASN1::UTF8String, value.class) assert_equal("TestCA", value.value) validity = tbs_cert.value[4] assert_equal(OpenSSL::ASN1::Sequence, validity.class) assert_equal(2, validity.value.size) assert_equal(OpenSSL::ASN1::UTCTime, validity.value[0].class) assert_equal(now, validity.value[0].value) assert_equal(OpenSSL::ASN1::UTCTime, validity.value[1].class) assert_equal(now+3600, validity.value[1].value) dn = tbs_cert.value[5] # subject assert_equal(subj.hash, OpenSSL::X509::Name.new(dn).hash) assert_equal(OpenSSL::ASN1::Sequence, dn.class) assert_equal(3, dn.value.size) assert_equal(OpenSSL::ASN1::Set, dn.value[0].class) assert_equal(OpenSSL::ASN1::Set, dn.value[1].class) assert_equal(OpenSSL::ASN1::Set, dn.value[2].class) assert_equal(1, dn.value[0].value.size) assert_equal(1, dn.value[1].value.size) assert_equal(1, dn.value[2].value.size) assert_equal(OpenSSL::ASN1::Sequence, dn.value[0].value[0].class) assert_equal(OpenSSL::ASN1::Sequence, dn.value[1].value[0].class) assert_equal(OpenSSL::ASN1::Sequence, dn.value[2].value[0].class) assert_equal(2, dn.value[0].value[0].value.size) assert_equal(2, dn.value[1].value[0].value.size) assert_equal(2, dn.value[2].value[0].value.size) oid, value = *dn.value[0].value[0].value assert_equal(OpenSSL::ASN1::ObjectId, oid.class) assert_equal("0.9.2342.19200300.100.1.25", oid.oid) assert_equal(OpenSSL::ASN1::IA5String, value.class) assert_equal("org", value.value) oid, value = *dn.value[1].value[0].value assert_equal(OpenSSL::ASN1::ObjectId, oid.class) assert_equal("0.9.2342.19200300.100.1.25", oid.oid) assert_equal(OpenSSL::ASN1::IA5String, value.class) assert_equal("ruby-lang", value.value) oid, value = *dn.value[2].value[0].value assert_equal(OpenSSL::ASN1::ObjectId, oid.class) assert_equal("2.5.4.3", oid.oid) assert_equal(OpenSSL::ASN1::UTF8String, value.class) assert_equal("TestCA", value.value) pkey = tbs_cert.value[6] assert_equal(OpenSSL::ASN1::Sequence, pkey.class) assert_equal(2, pkey.value.size) assert_equal(OpenSSL::ASN1::Sequence, pkey.value[0].class) assert_equal(2, pkey.value[0].value.size) assert_equal(OpenSSL::ASN1::ObjectId, pkey.value[0].value[0].class) assert_equal("1.2.840.113549.1.1.1", pkey.value[0].value[0].oid) assert_equal(OpenSSL::ASN1::BitString, pkey.value[1].class) assert_equal(0, pkey.value[1].unused_bits) spkey = OpenSSL::ASN1.decode(pkey.value[1].value) assert_equal(OpenSSL::ASN1::Sequence, spkey.class) assert_equal(2, spkey.value.size) assert_equal(OpenSSL::ASN1::Integer, spkey.value[0].class) assert_equal(cert.public_key.n, spkey.value[0].value) assert_equal(OpenSSL::ASN1::Integer, spkey.value[1].class) assert_equal(cert.public_key.e, spkey.value[1].value) extensions = tbs_cert.value[7] assert_equal(:CONTEXT_SPECIFIC, extensions.tag_class) assert_equal(3, extensions.tag) assert_equal(1, extensions.value.size) assert_equal(OpenSSL::ASN1::Sequence, extensions.value[0].class) assert_equal(3, extensions.value[0].value.size) ext = extensions.value[0].value[0] # basicConstraints assert_equal(OpenSSL::ASN1::Sequence, ext.class) assert_equal(3, ext.value.size) assert_equal(OpenSSL::ASN1::ObjectId, ext.value[0].class) assert_equal("2.5.29.19", ext.value[0].oid) assert_equal(OpenSSL::ASN1::Boolean, ext.value[1].class) assert_equal(true, ext.value[1].value) assert_equal(OpenSSL::ASN1::OctetString, ext.value[2].class) extv = OpenSSL::ASN1.decode(ext.value[2].value) assert_equal(OpenSSL::ASN1::Sequence, extv.class) assert_equal(2, extv.value.size) assert_equal(OpenSSL::ASN1::Boolean, extv.value[0].class) assert_equal(true, extv.value[0].value) assert_equal(OpenSSL::ASN1::Integer, extv.value[1].class) assert_equal(1, extv.value[1].value) ext = extensions.value[0].value[1] # keyUsage assert_equal(OpenSSL::ASN1::Sequence, ext.class) assert_equal(3, ext.value.size) assert_equal(OpenSSL::ASN1::ObjectId, ext.value[0].class) assert_equal("2.5.29.15", ext.value[0].oid) assert_equal(OpenSSL::ASN1::Boolean, ext.value[1].class) assert_equal(true, ext.value[1].value) assert_equal(OpenSSL::ASN1::OctetString, ext.value[2].class) extv = OpenSSL::ASN1.decode(ext.value[2].value) assert_equal(OpenSSL::ASN1::BitString, extv.class) str = "\000"; str[0] = 0b00000110.chr assert_equal(str, extv.value) ext = extensions.value[0].value[2] # subjetKeyIdentifier assert_equal(OpenSSL::ASN1::Sequence, ext.class) assert_equal(2, ext.value.size) assert_equal(OpenSSL::ASN1::ObjectId, ext.value[0].class) assert_equal("2.5.29.14", ext.value[0].oid) assert_equal(OpenSSL::ASN1::OctetString, ext.value[1].class) extv = OpenSSL::ASN1.decode(ext.value[1].value) assert_equal(OpenSSL::ASN1::OctetString, extv.class) sha1 = OpenSSL::Digest::SHA1.new sha1.update(pkey.value[1].value) assert_equal(sha1.digest, extv.value) assert_equal(OpenSSL::ASN1::Sequence, sig_alg.class) assert_equal(2, sig_alg.value.size) assert_equal(OpenSSL::ASN1::ObjectId, pkey.value[0].value[0].class) assert_equal("1.2.840.113549.1.1.1", pkey.value[0].value[0].oid) assert_equal(OpenSSL::ASN1::Null, pkey.value[0].value[1].class) assert_equal(OpenSSL::ASN1::BitString, sig_val.class) cululated_sig = key.sign(OpenSSL::Digest::SHA1.new, tbs_cert.to_der) assert_equal(cululated_sig, sig_val.value) end def test_decode_all raw = B(%w{ 02 01 01 02 01 02 02 01 03 }) ary = OpenSSL::ASN1.decode_all(raw) assert_equal(3, ary.size) ary.each_with_index do |asn1, i| assert_universal(OpenSSL::ASN1::INTEGER, asn1) assert_equal(i + 1, asn1.value) end end def test_object_id_register oid = "1.2.34.56789" pend "OID 1.2.34.56789 is already registered" if OpenSSL::ASN1::ObjectId(oid).sn assert_equal true, OpenSSL::ASN1::ObjectId.register(oid, "ossl-test-sn", "ossl-test-ln") obj = OpenSSL::ASN1::ObjectId(oid) assert_equal oid, obj.oid assert_equal "ossl-test-sn", obj.sn assert_equal "ossl-test-ln", obj.ln obj = encode_decode_test B(%w{ 06 05 2A 22 83 BB 55 }), OpenSSL::ASN1::ObjectId("ossl-test-ln") assert_equal "ossl-test-sn", obj.value end def test_end_of_content encode_decode_test B(%w{ 00 00 }), OpenSSL::ASN1::EndOfContent.new assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.decode(B(%w{ 00 01 00 })) } end def test_boolean encode_decode_test B(%w{ 01 01 00 }), OpenSSL::ASN1::Boolean.new(false) encode_decode_test B(%w{ 01 01 FF }), OpenSSL::ASN1::Boolean.new(true) decode_test B(%w{ 01 01 01 }), OpenSSL::ASN1::Boolean.new(true) assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.decode(B(%w{ 01 02 00 00 })) } end def test_integer encode_decode_test B(%w{ 02 01 00 }), OpenSSL::ASN1::Integer.new(0) encode_decode_test B(%w{ 02 01 48 }), OpenSSL::ASN1::Integer.new(72) encode_decode_test B(%w{ 02 02 00 80 }), OpenSSL::ASN1::Integer.new(128) encode_decode_test B(%w{ 02 01 81 }), OpenSSL::ASN1::Integer.new(-127) encode_decode_test B(%w{ 02 01 80 }), OpenSSL::ASN1::Integer.new(-128) encode_decode_test B(%w{ 02 01 FF }), OpenSSL::ASN1::Integer.new(-1) encode_decode_test B(%w{ 02 09 01 00 00 00 00 00 00 00 00 }), OpenSSL::ASN1::Integer.new(2 ** 64) encode_decode_test B(%w{ 02 09 FF 00 00 00 00 00 00 00 00 }), OpenSSL::ASN1::Integer.new(-(2 ** 64)) # FIXME: OpenSSL < 1.1.0 does not fail # assert_raise(OpenSSL::ASN1::ASN1Error) { # OpenSSL::ASN1.decode(B(%w{ 02 02 00 7F })) # } # assert_raise(OpenSSL::ASN1::ASN1Error) { # OpenSSL::ASN1.decode(B(%w{ 02 02 FF 80 })) # } end def test_enumerated encode_decode_test B(%w{ 0A 01 00 }), OpenSSL::ASN1::Enumerated.new(0) encode_decode_test B(%w{ 0A 01 48 }), OpenSSL::ASN1::Enumerated.new(72) encode_decode_test B(%w{ 0A 02 00 80 }), OpenSSL::ASN1::Enumerated.new(128) encode_decode_test B(%w{ 0A 09 01 00 00 00 00 00 00 00 00 }), OpenSSL::ASN1::Enumerated.new(2 ** 64) end def test_bitstring encode_decode_test B(%w{ 03 01 00 }), OpenSSL::ASN1::BitString.new(B(%w{})) encode_decode_test B(%w{ 03 02 00 01 }), OpenSSL::ASN1::BitString.new(B(%w{ 01 })) obj = OpenSSL::ASN1::BitString.new(B(%w{ F0 })) obj.unused_bits = 4 encode_decode_test B(%w{ 03 02 04 F0 }), obj assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.decode(B(%w{ 03 00 })) } # OpenSSL < OpenSSL_1_0_1k and LibreSSL ignore the error # assert_raise(OpenSSL::ASN1::ASN1Error) { # OpenSSL::ASN1.decode(B(%w{ 03 03 08 FF 00 })) # } # OpenSSL does not seem to prohibit this, though X.690 8.6.2.3 (15/08) does # assert_raise(OpenSSL::ASN1::ASN1Error) { # OpenSSL::ASN1.decode(B(%w{ 03 01 04 })) # } assert_raise(OpenSSL::ASN1::ASN1Error) { obj = OpenSSL::ASN1::BitString.new(B(%w{ FF FF })) obj.unused_bits = 8 obj.to_der } end def test_string_basic test = -> (tag, klass) { encode_decode_test tag.chr + B(%w{ 00 }), klass.new(B(%w{})) encode_decode_test tag.chr + B(%w{ 02 00 01 }), klass.new(B(%w{ 00 01 })) } test.(4, OpenSSL::ASN1::OctetString) test.(12, OpenSSL::ASN1::UTF8String) test.(18, OpenSSL::ASN1::NumericString) test.(19, OpenSSL::ASN1::PrintableString) test.(20, OpenSSL::ASN1::T61String) test.(21, OpenSSL::ASN1::VideotexString) test.(22, OpenSSL::ASN1::IA5String) test.(25, OpenSSL::ASN1::GraphicString) test.(26, OpenSSL::ASN1::ISO64String) test.(27, OpenSSL::ASN1::GeneralString) test.(28, OpenSSL::ASN1::UniversalString) test.(30, OpenSSL::ASN1::BMPString) end def test_null encode_decode_test B(%w{ 05 00 }), OpenSSL::ASN1::Null.new(nil) assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.decode(B(%w{ 05 01 00 })) } end def test_object_identifier encode_decode_test B(%w{ 06 01 00 }), OpenSSL::ASN1::ObjectId.new("0.0".b) encode_decode_test B(%w{ 06 01 28 }), OpenSSL::ASN1::ObjectId.new("1.0".b) encode_decode_test B(%w{ 06 03 88 37 03 }), OpenSSL::ASN1::ObjectId.new("2.999.3".b) encode_decode_test B(%w{ 06 05 2A 22 83 BB 55 }), OpenSSL::ASN1::ObjectId.new("1.2.34.56789".b) obj = encode_decode_test B(%w{ 06 09 60 86 48 01 65 03 04 02 01 }), OpenSSL::ASN1::ObjectId.new("sha256") assert_equal "2.16.840.1.101.3.4.2.1", obj.oid assert_equal "SHA256", obj.sn assert_equal "sha256", obj.ln assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.decode(B(%w{ 06 00 })) } assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.decode(B(%w{ 06 01 80 })) } assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1::ObjectId.new("3.0".b).to_der } assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1::ObjectId.new("0.40".b).to_der } begin oid = (0...100).to_a.join(".").b obj = OpenSSL::ASN1::ObjectId.new(oid) assert_equal oid, obj.oid rescue OpenSSL::ASN1::ASN1Error pend "OBJ_obj2txt() not working (LibreSSL?)" if $!.message =~ /OBJ_obj2txt/ raise end end def test_sequence encode_decode_test B(%w{ 30 00 }), OpenSSL::ASN1::Sequence.new([]) encode_decode_test B(%w{ 30 07 05 00 30 00 04 01 00 }), OpenSSL::ASN1::Sequence.new([ OpenSSL::ASN1::Null.new(nil), OpenSSL::ASN1::Sequence.new([]), OpenSSL::ASN1::OctetString.new(B(%w{ 00 })) ]) expected = OpenSSL::ASN1::Sequence.new([OpenSSL::ASN1::OctetString.new(B(%w{ 00 }))]) expected.indefinite_length = true encode_decode_test B(%w{ 30 80 04 01 00 00 00 }), expected # OpenSSL::ASN1::EndOfContent can only be at the end obj = OpenSSL::ASN1::Sequence.new([ OpenSSL::ASN1::EndOfContent.new, OpenSSL::ASN1::OctetString.new(B(%w{ 00 })), OpenSSL::ASN1::EndOfContent.new, ]) obj.indefinite_length = true assert_raise(OpenSSL::ASN1::ASN1Error) { obj.to_der } # The last EOC in value is ignored if indefinite length form is used expected = OpenSSL::ASN1::Sequence.new([ OpenSSL::ASN1::OctetString.new(B(%w{ 00 })), OpenSSL::ASN1::EndOfContent.new ]) expected.indefinite_length = true encode_test B(%w{ 30 80 04 01 00 00 00 }), expected end def test_set encode_decode_test B(%w{ 31 00 }), OpenSSL::ASN1::Set.new([]) encode_decode_test B(%w{ 31 07 05 00 30 00 04 01 00 }), OpenSSL::ASN1::Set.new([ OpenSSL::ASN1::Null.new(nil), OpenSSL::ASN1::Sequence.new([]), OpenSSL::ASN1::OctetString.new(B(%w{ 00 })) ]) expected = OpenSSL::ASN1::Set.new([OpenSSL::ASN1::OctetString.new(B(%w{ 00 }))]) expected.indefinite_length = true encode_decode_test B(%w{ 31 80 04 01 00 00 00 }), expected end def test_utctime encode_decode_test B(%w{ 17 0D }) + "160908234339Z".b, OpenSSL::ASN1::UTCTime.new(Time.utc(2016, 9, 8, 23, 43, 39)) # Seconds is omitted decode_test B(%w{ 17 0B }) + "1609082343Z".b, OpenSSL::ASN1::UTCTime.new(Time.utc(2016, 9, 8, 23, 43, 0)) begin # possible range of UTCTime is 1969-2068 currently encode_decode_test B(%w{ 17 0D }) + "690908234339Z".b, OpenSSL::ASN1::UTCTime.new(Time.utc(1969, 9, 8, 23, 43, 39)) rescue OpenSSL::ASN1::ASN1Error pend "No negative time_t support?" end # not implemented # decode_test B(%w{ 17 11 }) + "500908234339+0930".b, # OpenSSL::ASN1::UTCTime.new(Time.new(1950, 9, 8, 23, 43, 39, "+09:30")) # decode_test B(%w{ 17 0F }) + "5009082343-0930".b, # OpenSSL::ASN1::UTCTime.new(Time.new(1950, 9, 8, 23, 43, 0, "-09:30")) # assert_raise(OpenSSL::ASN1::ASN1Error) { # OpenSSL::ASN1.decode(B(%w{ 17 0C }) + "500908234339".b) # } # assert_raise(OpenSSL::ASN1::ASN1Error) { # OpenSSL::ASN1.decode(B(%w{ 17 0D }) + "500908234339Y".b) # } end def test_generalizedtime encode_decode_test B(%w{ 18 0F }) + "20161208193429Z".b, OpenSSL::ASN1::GeneralizedTime.new(Time.utc(2016, 12, 8, 19, 34, 29)) encode_decode_test B(%w{ 18 0F }) + "99990908234339Z".b, OpenSSL::ASN1::GeneralizedTime.new(Time.utc(9999, 9, 8, 23, 43, 39)) decode_test B(%w{ 18 0D }) + "201612081934Z".b, OpenSSL::ASN1::GeneralizedTime.new(Time.utc(2016, 12, 8, 19, 34, 0)) # not implemented # decode_test B(%w{ 18 13 }) + "20161208193439+0930".b, # OpenSSL::ASN1::GeneralizedTime.new(Time.new(2016, 12, 8, 19, 34, 39, "+09:30")) # decode_test B(%w{ 18 11 }) + "201612081934-0930".b, # OpenSSL::ASN1::GeneralizedTime.new(Time.new(2016, 12, 8, 19, 34, 0, "-09:30")) # decode_test B(%w{ 18 11 }) + "201612081934-09".b, # OpenSSL::ASN1::GeneralizedTime.new(Time.new(2016, 12, 8, 19, 34, 0, "-09:00")) # decode_test B(%w{ 18 0D }) + "2016120819.5Z".b, # OpenSSL::ASN1::GeneralizedTime.new(Time.utc(2016, 12, 8, 19, 30, 0)) # decode_test B(%w{ 18 0D }) + "2016120819,5Z".b, # OpenSSL::ASN1::GeneralizedTime.new(Time.utc(2016, 12, 8, 19, 30, 0)) # decode_test B(%w{ 18 0F }) + "201612081934.5Z".b, # OpenSSL::ASN1::GeneralizedTime.new(Time.utc(2016, 12, 8, 19, 34, 30)) # decode_test B(%w{ 18 11 }) + "20161208193439.5Z".b, # OpenSSL::ASN1::GeneralizedTime.new(Time.utc(2016, 12, 8, 19, 34, 39.5)) # assert_raise(OpenSSL::ASN1::ASN1Error) { # OpenSSL::ASN1.decode(B(%w{ 18 0D }) + "201612081934Y".b) # } end def test_basic_asn1data encode_test B(%w{ 00 00 }), OpenSSL::ASN1::ASN1Data.new(B(%w{}), 0, :UNIVERSAL) encode_test B(%w{ 01 00 }), OpenSSL::ASN1::ASN1Data.new(B(%w{}), 1, :UNIVERSAL) encode_decode_test B(%w{ 41 00 }), OpenSSL::ASN1::ASN1Data.new(B(%w{}), 1, :APPLICATION) encode_decode_test B(%w{ 81 00 }), OpenSSL::ASN1::ASN1Data.new(B(%w{}), 1, :CONTEXT_SPECIFIC) encode_decode_test B(%w{ C1 00 }), OpenSSL::ASN1::ASN1Data.new(B(%w{}), 1, :PRIVATE) encode_decode_test B(%w{ 1F 20 00 }), OpenSSL::ASN1::ASN1Data.new(B(%w{}), 32, :UNIVERSAL) encode_decode_test B(%w{ 1F C0 20 00 }), OpenSSL::ASN1::ASN1Data.new(B(%w{}), 8224, :UNIVERSAL) encode_decode_test B(%w{ 41 02 AB CD }), OpenSSL::ASN1::ASN1Data.new(B(%w{ AB CD }), 1, :APPLICATION) encode_decode_test B(%w{ 41 81 80 } + %w{ AB CD } * 64), OpenSSL::ASN1::ASN1Data.new(B(%w{ AB CD } * 64), 1, :APPLICATION) encode_decode_test B(%w{ 41 82 01 00 } + %w{ AB CD } * 128), OpenSSL::ASN1::ASN1Data.new(B(%w{ AB CD } * 128), 1, :APPLICATION) encode_decode_test B(%w{ 61 00 }), OpenSSL::ASN1::ASN1Data.new([], 1, :APPLICATION) obj = OpenSSL::ASN1::ASN1Data.new([OpenSSL::ASN1::ASN1Data.new(B(%w{ AB CD }), 2, :PRIVATE)], 1, :APPLICATION) obj.indefinite_length = true encode_decode_test B(%w{ 61 80 C2 02 AB CD 00 00 }), obj obj = OpenSSL::ASN1::ASN1Data.new([ OpenSSL::ASN1::ASN1Data.new(B(%w{ AB CD }), 2, :PRIVATE), OpenSSL::ASN1::EndOfContent.new ], 1, :APPLICATION) obj.indefinite_length = true encode_test B(%w{ 61 80 C2 02 AB CD 00 00 }), obj obj = OpenSSL::ASN1::ASN1Data.new(B(%w{ AB CD }), 1, :UNIVERSAL) obj.indefinite_length = true assert_raise(OpenSSL::ASN1::ASN1Error) { obj.to_der } end def test_basic_primitive encode_test B(%w{ 00 00 }), OpenSSL::ASN1::Primitive.new(B(%w{}), 0) encode_test B(%w{ 01 00 }), OpenSSL::ASN1::Primitive.new(B(%w{}), 1, nil, :UNIVERSAL) encode_test B(%w{ 81 00 }), OpenSSL::ASN1::Primitive.new(B(%w{}), 1, nil, :CONTEXT_SPECIFIC) encode_test B(%w{ 01 02 AB CD }), OpenSSL::ASN1::Primitive.new(B(%w{ AB CD }), 1) assert_raise(TypeError) { OpenSSL::ASN1::Primitive.new([], 1).to_der } prim = OpenSSL::ASN1::Integer.new(50) assert_equal false, prim.indefinite_length assert_not_respond_to prim, :indefinite_length= end def test_basic_constructed octet_string = OpenSSL::ASN1::OctetString.new(B(%w{ AB CD })) encode_test B(%w{ 20 00 }), OpenSSL::ASN1::Constructive.new([], 0) encode_test B(%w{ 21 00 }), OpenSSL::ASN1::Constructive.new([], 1, nil, :UNIVERSAL) encode_test B(%w{ A1 00 }), OpenSSL::ASN1::Constructive.new([], 1, nil, :CONTEXT_SPECIFIC) encode_test B(%w{ 21 04 04 02 AB CD }), OpenSSL::ASN1::Constructive.new([octet_string], 1) obj = OpenSSL::ASN1::Constructive.new([octet_string], 1) obj.indefinite_length = true encode_decode_test B(%w{ 21 80 04 02 AB CD 00 00 }), obj obj = OpenSSL::ASN1::Constructive.new([octet_string, OpenSSL::ASN1::EndOfContent.new], 1) obj.indefinite_length = true encode_test B(%w{ 21 80 04 02 AB CD 00 00 }), obj end def test_prim_explicit_tagging oct_str = OpenSSL::ASN1::OctetString.new("a", 0, :EXPLICIT) encode_test B(%w{ A0 03 04 01 61 }), oct_str oct_str2 = OpenSSL::ASN1::OctetString.new("a", 1, :EXPLICIT, :APPLICATION) encode_test B(%w{ 61 03 04 01 61 }), oct_str2 decoded = OpenSSL::ASN1.decode(oct_str2.to_der) assert_equal :APPLICATION, decoded.tag_class assert_equal 1, decoded.tag assert_equal 1, decoded.value.size inner = decoded.value[0] assert_equal OpenSSL::ASN1::OctetString, inner.class assert_equal B(%w{ 61 }), inner.value end def test_prim_implicit_tagging int = OpenSSL::ASN1::Integer.new(1, 0, :IMPLICIT) encode_test B(%w{ 80 01 01 }), int int2 = OpenSSL::ASN1::Integer.new(1, 1, :IMPLICIT, :APPLICATION) encode_test B(%w{ 41 01 01 }), int2 decoded = OpenSSL::ASN1.decode(int2.to_der) assert_equal :APPLICATION, decoded.tag_class assert_equal 1, decoded.tag assert_equal B(%w{ 01 }), decoded.value # Special behavior: Encoding universal types with non-default 'tag' # attribute and nil tagging method. int3 = OpenSSL::ASN1::Integer.new(1, 1) encode_test B(%w{ 01 01 01 }), int3 end def test_cons_explicit_tagging content = [ OpenSSL::ASN1::PrintableString.new('abc') ] seq = OpenSSL::ASN1::Sequence.new(content, 2, :EXPLICIT) encode_test B(%w{ A2 07 30 05 13 03 61 62 63 }), seq seq2 = OpenSSL::ASN1::Sequence.new(content, 3, :EXPLICIT, :APPLICATION) encode_test B(%w{ 63 07 30 05 13 03 61 62 63 }), seq2 content3 = [ OpenSSL::ASN1::PrintableString.new('abc'), OpenSSL::ASN1::EndOfContent.new() ] seq3 = OpenSSL::ASN1::Sequence.new(content3, 2, :EXPLICIT) seq3.indefinite_length = true encode_test B(%w{ A2 80 30 80 13 03 61 62 63 00 00 00 00 }), seq3 end def test_cons_implicit_tagging content = [ OpenSSL::ASN1::Null.new(nil) ] seq = OpenSSL::ASN1::Sequence.new(content, 1, :IMPLICIT) encode_test B(%w{ A1 02 05 00 }), seq seq2 = OpenSSL::ASN1::Sequence.new(content, 1, :IMPLICIT, :APPLICATION) encode_test B(%w{ 61 02 05 00 }), seq2 content3 = [ OpenSSL::ASN1::Null.new(nil), OpenSSL::ASN1::EndOfContent.new() ] seq3 = OpenSSL::ASN1::Sequence.new(content3, 1, :IMPLICIT) seq3.indefinite_length = true encode_test B(%w{ A1 80 05 00 00 00 }), seq3 # Special behavior: Encoding universal types with non-default 'tag' # attribute and nil tagging method. seq4 = OpenSSL::ASN1::Sequence.new([], 1) encode_test B(%w{ 21 00 }), seq4 end def test_octet_string_constructed_tagging octets = [ OpenSSL::ASN1::OctetString.new('aaa') ] cons = OpenSSL::ASN1::Constructive.new(octets, 0, :IMPLICIT) encode_test B(%w{ A0 05 04 03 61 61 61 }), cons octets = [ OpenSSL::ASN1::OctetString.new('aaa'), OpenSSL::ASN1::EndOfContent.new() ] cons = OpenSSL::ASN1::Constructive.new(octets, 0, :IMPLICIT) cons.indefinite_length = true encode_test B(%w{ A0 80 04 03 61 61 61 00 00 }), cons end def test_recursive_octet_string_indefinite_length octets_sub1 = [ OpenSSL::ASN1::OctetString.new("\x01"), OpenSSL::ASN1::EndOfContent.new() ] octets_sub2 = [ OpenSSL::ASN1::OctetString.new("\x02"), OpenSSL::ASN1::EndOfContent.new() ] container1 = OpenSSL::ASN1::Constructive.new(octets_sub1, OpenSSL::ASN1::OCTET_STRING, nil, :UNIVERSAL) container1.indefinite_length = true container2 = OpenSSL::ASN1::Constructive.new(octets_sub2, OpenSSL::ASN1::OCTET_STRING, nil, :UNIVERSAL) container2.indefinite_length = true octets3 = OpenSSL::ASN1::OctetString.new("\x03") octets = [ container1, container2, octets3, OpenSSL::ASN1::EndOfContent.new() ] cons = OpenSSL::ASN1::Constructive.new(octets, OpenSSL::ASN1::OCTET_STRING, nil, :UNIVERSAL) cons.indefinite_length = true raw = B(%w{ 24 80 24 80 04 01 01 00 00 24 80 04 01 02 00 00 04 01 03 00 00 }) assert_equal(raw, cons.to_der) assert_equal(raw, OpenSSL::ASN1.decode(raw).to_der) end def test_recursive_octet_string_parse raw = B(%w{ 24 80 24 80 04 01 01 00 00 24 80 04 01 02 00 00 04 01 03 00 00 }) asn1 = OpenSSL::ASN1.decode(raw) assert_equal(OpenSSL::ASN1::Constructive, asn1.class) assert_universal(OpenSSL::ASN1::OCTET_STRING, asn1) assert_equal(true, asn1.indefinite_length) assert_equal(3, asn1.value.size) nested1 = asn1.value[0] assert_equal(OpenSSL::ASN1::Constructive, nested1.class) assert_universal(OpenSSL::ASN1::OCTET_STRING, nested1) assert_equal(true, nested1.indefinite_length) assert_equal(1, nested1.value.size) oct1 = nested1.value[0] assert_universal(OpenSSL::ASN1::OCTET_STRING, oct1) assert_equal(false, oct1.indefinite_length) nested2 = asn1.value[1] assert_equal(OpenSSL::ASN1::Constructive, nested2.class) assert_universal(OpenSSL::ASN1::OCTET_STRING, nested2) assert_equal(true, nested2.indefinite_length) assert_equal(1, nested2.value.size) oct2 = nested2.value[0] assert_universal(OpenSSL::ASN1::OCTET_STRING, oct2) assert_equal(false, oct2.indefinite_length) oct3 = asn1.value[2] assert_universal(OpenSSL::ASN1::OCTET_STRING, oct3) assert_equal(false, oct3.indefinite_length) end def test_decode_constructed_overread test = %w{ 31 06 31 02 30 02 05 00 } # ^ <- invalid raw = [test.join].pack("H*") ret = [] assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.traverse(raw) { |x| ret << x } } assert_equal 2, ret.size assert_equal 17, ret[0][6] assert_equal 17, ret[1][6] test = %w{ 31 80 30 03 00 00 } # ^ <- invalid raw = [test.join].pack("H*") ret = [] assert_raise(OpenSSL::ASN1::ASN1Error) { OpenSSL::ASN1.traverse(raw) { |x| ret << x } } assert_equal 1, ret.size assert_equal 17, ret[0][6] end def test_constructive_each data = [OpenSSL::ASN1::Integer.new(0), OpenSSL::ASN1::Integer.new(1)] seq = OpenSSL::ASN1::Sequence.new data assert_equal data, seq.entries end private def B(ary) [ary.join].pack("H*") end def assert_asn1_equal(a, b) assert_equal a.class, b.class assert_equal a.tag, b.tag assert_equal a.tag_class, b.tag_class assert_equal a.indefinite_length, b.indefinite_length assert_equal a.unused_bits, b.unused_bits if a.respond_to?(:unused_bits) case a.value when Array a.value.each_with_index { |ai, i| assert_asn1_equal ai, b.value[i] } else if OpenSSL::ASN1::ObjectId === a assert_equal a.oid, b.oid else assert_equal a.value, b.value end end assert_equal a.to_der, b.to_der end def encode_test(der, obj) assert_equal der, obj.to_der end def decode_test(der, obj) decoded = OpenSSL::ASN1.decode(der) assert_asn1_equal obj, decoded decoded end def encode_decode_test(der, obj) encode_test(der, obj) decode_test(der, obj) end def assert_universal(tag, asn1) assert_equal(tag, asn1.tag) if asn1.respond_to?(:tagging) assert_nil(asn1.tagging) end assert_equal(:UNIVERSAL, asn1.tag_class) end end end