From 675e2906764a141040144b8586a5f3d32e228f6f Mon Sep 17 00:00:00 2001 From: Kazuki Yamaguchi Date: Thu, 7 Jul 2016 00:19:32 +0900 Subject: test: rework PEM/DER encoding and decoding tests Check that PKey::*.new actually read the ASN.1 structure, and PKey::PKey#to_der and #export return the expected structure. --- test/test_pkey_dsa.rb | 243 +++++++++++++++++++++----------------------------- 1 file changed, 100 insertions(+), 143 deletions(-) (limited to 'test/test_pkey_dsa.rb') diff --git a/test/test_pkey_dsa.rb b/test/test_pkey_dsa.rb index ed79e0de..a65fc222 100644 --- a/test/test_pkey_dsa.rb +++ b/test/test_pkey_dsa.rb @@ -4,7 +4,9 @@ require 'base64' if defined?(OpenSSL::TestUtils) -class OpenSSL::TestPKeyDSA < OpenSSL::TestCase +class OpenSSL::TestPKeyDSA < OpenSSL::PKeyTestCase + DSA512 = OpenSSL::TestUtils::TEST_KEY_DSA512 + def test_private key = OpenSSL::PKey::DSA.new(256) assert(key.private?) @@ -68,29 +70,102 @@ end assert(key.verify(digest2, sig, data)) end - def test_read_DSA_PUBKEY - p = 7188211954100152441468596248707152960171255279130004340103875772401008316444412091945435731597638374542374929457672178957081124632837356913990200866056699 - q = 957032439192465935099784319494405376402293318491 - g = 122928973717064636255205666162891733518376475981809749897454444301389338825906076467196186192907631719698166056821519884939865041993585844526937010746285 - y = 1235756183583465414789073313502727057075641172514181938731172021825149551960029708596057102104063395063907739571546165975727369183495540798749742124846271 - algo = OpenSSL::ASN1::ObjectId.new('DSA') - params = OpenSSL::ASN1::Sequence.new([OpenSSL::ASN1::Integer.new(p), - OpenSSL::ASN1::Integer.new(q), - OpenSSL::ASN1::Integer.new(g)]) - algo_id = OpenSSL::ASN1::Sequence.new ([algo, params]) - pub_key = OpenSSL::ASN1::Integer.new(y) - seq = OpenSSL::ASN1::Sequence.new([algo_id, OpenSSL::ASN1::BitString.new(pub_key.to_der)]) - key = OpenSSL::PKey::DSA.new(seq.to_der) - assert(key.public?) - assert(!key.private?) - assert_equal(p, key.p) - assert_equal(q, key.q) - assert_equal(g, key.g) - assert_equal(y, key.pub_key) - assert_equal(nil, key.priv_key) + def test_DSAPrivateKey + # OpenSSL DSAPrivateKey format; similar to RSAPrivateKey + asn1 = OpenSSL::ASN1::Sequence([ + OpenSSL::ASN1::Integer(0), + OpenSSL::ASN1::Integer(DSA512.p), + OpenSSL::ASN1::Integer(DSA512.q), + OpenSSL::ASN1::Integer(DSA512.g), + OpenSSL::ASN1::Integer(DSA512.pub_key), + OpenSSL::ASN1::Integer(DSA512.priv_key) + ]) + key = OpenSSL::PKey::DSA.new(asn1.to_der) + assert_predicate key, :private? + assert_same_dsa DSA512, key + + pem = <<~EOF + -----BEGIN DSA PRIVATE KEY----- + MIH4AgEAAkEA5lB4GvEwjrsMlGDqGsxrbqeFRh6o9OWt6FgTYiEEHaOYhkIxv0Ok + RZPDNwOG997mDjBnvDJ1i56OmS3MbTnovwIVAJgub/aDrSDB4DZGH7UyarcaGy6D + AkB9HdFw/3td8K4l1FZHv7TCZeJ3ZLb7dF3TWoGUP003RCqoji3/lHdKoVdTQNuR + S/m6DlCwhjRjiQ/lBRgCLCcaAkEAjN891JBjzpMj4bWgsACmMggFf57DS0Ti+5++ + Q1VB8qkJN7rA7/2HrCR3gTsWNb1YhAsnFsoeRscC+LxXoXi9OAIUBG98h4tilg6S + 55jreJD3Se3slps= + -----END DSA PRIVATE KEY----- + EOF + key = OpenSSL::PKey::DSA.new(pem) + assert_same_dsa DSA512, key + + assert_equal asn1.to_der, DSA512.to_der + assert_equal pem, DSA512.export + end + + def test_DSAPrivateKey_encrypted + # key = abcdef + pem = <<~EOF + -----BEGIN DSA PRIVATE KEY----- + Proc-Type: 4,ENCRYPTED + DEK-Info: AES-128-CBC,F8BB7BFC7EAB9118AC2E3DA16C8DB1D9 + + D2sIzsM9MLXBtlF4RW42u2GB9gX3HQ3prtVIjWPLaKBYoToRUiv8WKsjptfZuLSB + 74ZPdMS7VITM+W1HIxo/tjS80348Cwc9ou8H/E6WGat8ZUk/igLOUEII+coQS6qw + QpuLMcCIavevX0gjdjEIkojBB81TYDofA1Bp1z1zDI/2Zhw822xapI79ZF7Rmywt + OSyWzFaGipgDpdFsGzvT6//z0jMr0AuJVcZ0VJ5lyPGQZAeVBlbYEI4T72cC5Cz7 + XvLiaUtum6/sASD2PQqdDNpgx/WA6Vs1Po2kIUQIM5TIwyJI0GdykZcYm6xIK/ta + Wgx6c8K+qBAIVrilw3EWxw== + -----END DSA PRIVATE KEY----- + EOF + key = OpenSSL::PKey::DSA.new(pem, "abcdef") + assert_same_dsa DSA512, key + key = OpenSSL::PKey::DSA.new(pem) { "abcdef" } + assert_same_dsa DSA512, key + + cipher = OpenSSL::Cipher.new("aes-128-cbc") + exported = DSA512.to_pem(cipher, "abcdef\0\1") + assert_same_dsa DSA512, OpenSSL::PKey::DSA.new(exported, "abcdef\0\1") + assert_raise(OpenSSL::PKey::DSAError) { + OpenSSL::PKey::DSA.new(exported, "abcdef") + } + end + + def test_PUBKEY + asn1 = OpenSSL::ASN1::Sequence([ + OpenSSL::ASN1::Sequence([ + OpenSSL::ASN1::ObjectId("DSA"), + OpenSSL::ASN1::Sequence([ + OpenSSL::ASN1::Integer(DSA512.p), + OpenSSL::ASN1::Integer(DSA512.q), + OpenSSL::ASN1::Integer(DSA512.g) + ]) + ]), + OpenSSL::ASN1::BitString( + OpenSSL::ASN1::Integer(DSA512.pub_key).to_der + ) + ]) + key = OpenSSL::PKey::DSA.new(asn1.to_der) + assert_not_predicate key, :private? + assert_same_dsa dup_public(DSA512), key + + pem = <<~EOF + -----BEGIN PUBLIC KEY----- + MIHxMIGoBgcqhkjOOAQBMIGcAkEA5lB4GvEwjrsMlGDqGsxrbqeFRh6o9OWt6FgT + YiEEHaOYhkIxv0OkRZPDNwOG997mDjBnvDJ1i56OmS3MbTnovwIVAJgub/aDrSDB + 4DZGH7UyarcaGy6DAkB9HdFw/3td8K4l1FZHv7TCZeJ3ZLb7dF3TWoGUP003RCqo + ji3/lHdKoVdTQNuRS/m6DlCwhjRjiQ/lBRgCLCcaA0QAAkEAjN891JBjzpMj4bWg + sACmMggFf57DS0Ti+5++Q1VB8qkJN7rA7/2HrCR3gTsWNb1YhAsnFsoeRscC+LxX + oXi9OA== + -----END PUBLIC KEY----- + EOF + key = OpenSSL::PKey::DSA.new(pem) + assert_same_dsa dup_public(DSA512), key + + assert_equal asn1.to_der, dup_public(DSA512).to_der + assert_equal pem, dup_public(DSA512).export end def test_read_DSAPublicKey_pem + # TODO: where is the standard? PKey::DSA.new can read only PEM p = 12260055936871293565827712385212529106400444521449663325576634579961635627321079536132296996623400607469624537382977152381984332395192110731059176842635699 q = 979494906553787301107832405790107343409973851677 g = 3731695366899846297271147240305742456317979984190506040697507048095553842519347835107669437969086119948785140453492839427038591924536131566350847469993845 @@ -114,127 +189,6 @@ fWLOqqkzFeRrYMDzUpl36XktY6Yq8EJYlW9pCMmBVNy/dQ== assert_equal(nil, key.priv_key) end - def test_read_DSA_PUBKEY_pem - p = 12260055936871293565827712385212529106400444521449663325576634579961635627321079536132296996623400607469624537382977152381984332395192110731059176842635699 - q = 979494906553787301107832405790107343409973851677 - g = 3731695366899846297271147240305742456317979984190506040697507048095553842519347835107669437969086119948785140453492839427038591924536131566350847469993845 - y = 10505239074982761504240823422422813362721498896040719759460296306305851824586095328615844661273887569281276387605297130014564808567159023649684010036304695 - pem = <<-EOF ------BEGIN PUBLIC KEY----- -MIHxMIGoBgcqhkjOOAQBMIGcAkEA6hXntfQXEo78+s1r8yShbOQIpX+HOESnTNsV -2yJzD6EiMntLpJ38WUOWjz0dBnYW69YnrAYszWPTSvf34XapswIVAKuSEhdIb6Kz -fuHPUhoF4S52MHYdAkBHQCWhq8G+2yeDyhuyMtvsQqcH6lJ4ev8F0hDdUft9Ys6q -qTMV5GtgwPNSmXfpeS1jpirwQliVb2kIyYFU3L91A0QAAkEAyJSJ+g+P/knVcgDw -wTzC7Pwg/pWs2EMd/r+lYlXhNfzg0biuXRul8VR4VUC/phySExY0PdcqItkR/xYA -YNMbNw== ------END PUBLIC KEY----- - EOF - key = OpenSSL::PKey::DSA.new(pem) - assert(key.public?) - assert(!key.private?) - assert_equal(p, key.p) - assert_equal(q, key.q) - assert_equal(g, key.g) - assert_equal(y, key.pub_key) - assert_equal(nil, key.priv_key) - end - - def test_export_format_is_DSA_PUBKEY_pem - key = OpenSSL::TestUtils::TEST_KEY_DSA256 - pem = key.public_key.to_pem - pem.gsub!(/^-+(\w|\s)+-+$/, "") # eliminate --------BEGIN...------- - asn1 = OpenSSL::ASN1.decode(Base64.decode64(pem)) - assert_equal(OpenSSL::ASN1::SEQUENCE, asn1.tag) - assert_equal(2, asn1.value.size) - seq = asn1.value - assert_equal(OpenSSL::ASN1::SEQUENCE, seq[0].tag) - assert_equal(2, seq[0].value.size) - algo_id = seq[0].value - assert_equal(OpenSSL::ASN1::OBJECT, algo_id[0].tag) - assert_equal('DSA', algo_id[0].value) - assert_equal(OpenSSL::ASN1::SEQUENCE, algo_id[1].tag) - assert_equal(3, algo_id[1].value.size) - params = algo_id[1].value - assert_equal(OpenSSL::ASN1::INTEGER, params[0].tag) - assert_equal(key.p, params[0].value) - assert_equal(OpenSSL::ASN1::INTEGER, params[1].tag) - assert_equal(key.q, params[1].value) - assert_equal(OpenSSL::ASN1::INTEGER, params[2].tag) - assert_equal(key.g, params[2].value) - assert_equal(OpenSSL::ASN1::BIT_STRING, seq[1].tag) - assert_equal(0, seq[1].unused_bits) - pub_key = OpenSSL::ASN1.decode(seq[1].value) - assert_equal(OpenSSL::ASN1::INTEGER, pub_key.tag) - assert_equal(key.pub_key, pub_key.value) - end - - def test_read_private_key_der - key = OpenSSL::TestUtils::TEST_KEY_DSA256 - der = key.to_der - key2 = OpenSSL::PKey.read(der) - assert(key2.private?) - assert_equal(der, key2.to_der) - end - - def test_read_private_key_pem - key = OpenSSL::TestUtils::TEST_KEY_DSA256 - pem = key.to_pem - key2 = OpenSSL::PKey.read(pem) - assert(key2.private?) - assert_equal(pem, key2.to_pem) - end - - def test_read_public_key_der - key = OpenSSL::TestUtils::TEST_KEY_DSA256.public_key - der = key.to_der - key2 = OpenSSL::PKey.read(der) - assert(!key2.private?) - assert_equal(der, key2.to_der) - end - - def test_read_public_key_pem - key = OpenSSL::TestUtils::TEST_KEY_DSA256.public_key - pem = key.to_pem - key2 = OpenSSL::PKey.read(pem) - assert(!key2.private?) - assert_equal(pem, key2.to_pem) - end - - def test_read_private_key_pem_pw - key = OpenSSL::TestUtils::TEST_KEY_DSA256 - pem = key.to_pem(OpenSSL::Cipher.new('AES-128-CBC'), 'secret') - #callback form for password - key2 = OpenSSL::PKey.read(pem) do - 'secret' - end - assert(key2.private?) - # pass password directly - key2 = OpenSSL::PKey.read(pem, 'secret') - assert(key2.private?) - #omit pem equality check, will be different due to cipher iv - end - - def test_export_password_length - key = OpenSSL::TestUtils::TEST_KEY_DSA256 - assert_raise(OpenSSL::OpenSSLError) do - key.export(OpenSSL::Cipher.new('AES-128-CBC'), 'sec') - end - pem = key.export(OpenSSL::Cipher.new('AES-128-CBC'), 'secr') - assert(pem) - end - - def test_export_password_funny - key = OpenSSL::TestUtils::TEST_KEY_DSA256 - pem = key.export(OpenSSL::Cipher.new('AES-128-CBC'), "pass\0wd") - assert_raise(OpenSSL::PKey::PKeyError) do - OpenSSL::PKey.read(pem, "pass") - end - key2 = OpenSSL::PKey.read(pem, "pass\0wd") - assert(key2.private?) - key3 = OpenSSL::PKey::DSA.new(pem, "pass\0wd") - assert(key3.private?) - end - def test_dup key = OpenSSL::PKey::DSA.new(256) key2 = key.dup @@ -244,13 +198,16 @@ YNMbNw== end private - def check_sign_verify(digest) key = OpenSSL::TestUtils::TEST_KEY_DSA256 data = 'Sign me!' sig = key.sign(digest, data) assert(key.verify(digest, sig, data)) end + + def assert_same_dsa(expected, key) + check_component(expected, key, [:p, :q, :g, :pub_key, :priv_key]) + end end end -- cgit v1.2.3