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test_x509cert.rb
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test_x509cert.rb
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# frozen_string_literal: true
require_relative "utils"
if defined?(OpenSSL)
class OpenSSL::TestX509Certificate < OpenSSL::TestCase
def setup
super
@rsa1024 = Fixtures.pkey("rsa1024")
@rsa2048 = Fixtures.pkey("rsa2048")
@dsa256 = Fixtures.pkey("dsa256")
@dsa512 = Fixtures.pkey("dsa512")
@ca = OpenSSL::X509::Name.parse("/DC=org/DC=ruby-lang/CN=CA")
@ee1 = OpenSSL::X509::Name.parse("/DC=org/DC=ruby-lang/CN=EE1")
end
def test_serial
[1, 2**32, 2**100].each{|s|
cert = issue_cert(@ca, @rsa2048, s, [], nil, nil)
assert_equal(s, cert.serial)
cert = OpenSSL::X509::Certificate.new(cert.to_der)
assert_equal(s, cert.serial)
}
end
def test_public_key
exts = [
["basicConstraints","CA:TRUE",true],
["subjectKeyIdentifier","hash",false],
["authorityKeyIdentifier","keyid:always",false],
]
[
@rsa1024, @rsa2048, @dsa256, @dsa512,
].each{|pk|
cert = issue_cert(@ca, pk, 1, exts, nil, nil)
assert_equal(cert.extensions.sort_by(&:to_s)[2].value,
OpenSSL::TestUtils.get_subject_key_id(cert))
cert = OpenSSL::X509::Certificate.new(cert.to_der)
assert_equal(cert.extensions.sort_by(&:to_s)[2].value,
OpenSSL::TestUtils.get_subject_key_id(cert))
}
end
def test_validity
now = Time.at(Time.now.to_i + 0.9)
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil,
not_before: now, not_after: now+3600)
assert_equal(Time.at(now.to_i), cert.not_before)
assert_equal(Time.at(now.to_i+3600), cert.not_after)
now = Time.at(now.to_i)
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil,
not_before: now, not_after: now+3600)
assert_equal(now.getutc, cert.not_before)
assert_equal((now+3600).getutc, cert.not_after)
now = Time.at(0)
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil,
not_before: now, not_after: now)
assert_equal(now.getutc, cert.not_before)
assert_equal(now.getutc, cert.not_after)
now = Time.at(0x7fffffff)
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil,
not_before: now, not_after: now)
assert_equal(now.getutc, cert.not_before)
assert_equal(now.getutc, cert.not_after)
end
def test_extension
ca_exts = [
["basicConstraints","CA:TRUE",true],
["keyUsage","keyCertSign, cRLSign",true],
["subjectKeyIdentifier","hash",false],
["authorityKeyIdentifier","issuer:always,keyid:always",false],
]
ca_cert = issue_cert(@ca, @rsa2048, 1, ca_exts, nil, nil)
keyid = get_subject_key_id(ca_cert.to_der, hex: false)
assert_equal keyid, ca_cert.authority_key_identifier
assert_equal keyid, ca_cert.subject_key_identifier
ca_cert.extensions.each_with_index{|ext, i|
assert_equal(ca_exts[i].first, ext.oid)
assert_equal(ca_exts[i].last, ext.critical?)
}
ee1_exts = [
["keyUsage","Non Repudiation, Digital Signature, Key Encipherment",true],
["subjectKeyIdentifier","hash",false],
["authorityKeyIdentifier","issuer:always,keyid:always",false],
["extendedKeyUsage","clientAuth, emailProtection, codeSigning",false],
["subjectAltName","email:ee1@ruby-lang.org",false],
["authorityInfoAccess","caIssuers;URI:http://www.example.com/caIssuers,OCSP;URI:http://www.example.com/ocsp",false],
]
ee1_cert = issue_cert(@ee1, @rsa1024, 2, ee1_exts, ca_cert, @rsa2048)
assert_equal(ca_cert.subject.to_der, ee1_cert.issuer.to_der)
ee1_cert.extensions.each_with_index{|ext, i|
assert_equal(ee1_exts[i].first, ext.oid)
assert_equal(ee1_exts[i].last, ext.critical?)
}
assert_nil(ee1_cert.crl_uris)
ef = OpenSSL::X509::ExtensionFactory.new
ef.config = OpenSSL::Config.parse(<<~_cnf_)
[crlDistPts]
URI.1 = http://www.example.com/crl
URI.2 = ldap://ldap.example.com/cn=ca?certificateRevocationList;binary
_cnf_
cdp_cert = generate_cert(@ee1, @rsa1024, 3, ca_cert)
ef.subject_certificate = cdp_cert
cdp_cert.add_extension(ef.create_extension("crlDistributionPoints", "@crlDistPts"))
cdp_cert.sign(@rsa2048, "sha256")
assert_equal(
["http://www.example.com/crl", "ldap://ldap.example.com/cn=ca?certificateRevocationList;binary"],
cdp_cert.crl_uris
)
ef = OpenSSL::X509::ExtensionFactory.new
aia_cert = generate_cert(@ee1, @rsa1024, 4, ca_cert)
ef.subject_certificate = aia_cert
aia_cert.add_extension(
ef.create_extension(
"authorityInfoAccess",
"caIssuers;URI:http://www.example.com/caIssuers," \
"caIssuers;URI:ldap://ldap.example.com/cn=ca?authorityInfoAccessCaIssuers;binary," \
"OCSP;URI:http://www.example.com/ocsp," \
"OCSP;URI:ldap://ldap.example.com/cn=ca?authorityInfoAccessOcsp;binary",
false
)
)
aia_cert.sign(@rsa2048, "sha256")
assert_equal(
["http://www.example.com/caIssuers", "ldap://ldap.example.com/cn=ca?authorityInfoAccessCaIssuers;binary"],
aia_cert.ca_issuer_uris
)
assert_equal(
["http://www.example.com/ocsp", "ldap://ldap.example.com/cn=ca?authorityInfoAccessOcsp;binary"],
aia_cert.ocsp_uris
)
no_exts_cert = issue_cert(@ca, @rsa2048, 5, [], nil, nil)
assert_equal nil, no_exts_cert.authority_key_identifier
assert_equal nil, no_exts_cert.subject_key_identifier
assert_equal nil, no_exts_cert.crl_uris
assert_equal nil, no_exts_cert.ca_issuer_uris
assert_equal nil, no_exts_cert.ocsp_uris
end
def test_invalid_extension
integer = OpenSSL::ASN1::Integer.new(0)
invalid_exts_cert = generate_cert(@ee1, @rsa1024, 1, nil)
["subjectKeyIdentifier", "authorityKeyIdentifier", "crlDistributionPoints", "authorityInfoAccess"].each do |ext|
invalid_exts_cert.add_extension(
OpenSSL::X509::Extension.new(ext, integer.to_der)
)
end
assert_raise(OpenSSL::ASN1::ASN1Error, "invalid extension") {
invalid_exts_cert.authority_key_identifier
}
assert_raise(OpenSSL::ASN1::ASN1Error, "invalid extension") {
invalid_exts_cert.subject_key_identifier
}
assert_raise(OpenSSL::ASN1::ASN1Error, "invalid extension") {
invalid_exts_cert.crl_uris
}
assert_raise(OpenSSL::ASN1::ASN1Error, "invalid extension") {
invalid_exts_cert.ca_issuer_uris
}
assert_raise(OpenSSL::ASN1::ASN1Error, "invalid extension") {
invalid_exts_cert.ocsp_uris
}
end
def test_sign_and_verify_rsa_sha1
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil, digest: "sha1")
assert_equal(false, cert.verify(@rsa1024))
assert_equal(true, cert.verify(@rsa2048))
assert_equal(false, certificate_error_returns_false { cert.verify(@dsa256) })
assert_equal(false, certificate_error_returns_false { cert.verify(@dsa512) })
cert.serial = 2
assert_equal(false, cert.verify(@rsa2048))
end
def test_sign_and_verify_rsa_md5
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil, digest: "md5")
assert_equal(false, cert.verify(@rsa1024))
assert_equal(true, cert.verify(@rsa2048))
assert_equal(false, certificate_error_returns_false { cert.verify(@dsa256) })
assert_equal(false, certificate_error_returns_false { cert.verify(@dsa512) })
cert.subject = @ee1
assert_equal(false, cert.verify(@rsa2048))
rescue OpenSSL::X509::CertificateError # RHEL7 disables MD5
end
def test_sign_and_verify_dsa
cert = issue_cert(@ca, @dsa512, 1, [], nil, nil)
assert_equal(false, certificate_error_returns_false { cert.verify(@rsa1024) })
assert_equal(false, certificate_error_returns_false { cert.verify(@rsa2048) })
assert_equal(false, cert.verify(@dsa256))
assert_equal(true, cert.verify(@dsa512))
cert.not_after = Time.now
assert_equal(false, cert.verify(@dsa512))
end
def test_sign_and_verify_rsa_dss1
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil, digest: OpenSSL::Digest.new('DSS1'))
assert_equal(false, cert.verify(@rsa1024))
assert_equal(true, cert.verify(@rsa2048))
assert_equal(false, certificate_error_returns_false { cert.verify(@dsa256) })
assert_equal(false, certificate_error_returns_false { cert.verify(@dsa512) })
cert.subject = @ee1
assert_equal(false, cert.verify(@rsa2048))
rescue OpenSSL::X509::CertificateError
end if defined?(OpenSSL::Digest::DSS1)
def test_sign_and_verify_dsa_md5
assert_raise(OpenSSL::X509::CertificateError){
issue_cert(@ca, @dsa512, 1, [], nil, nil, digest: "md5")
}
end
def test_dsa_with_sha2
cert = issue_cert(@ca, @dsa256, 1, [], nil, nil, digest: "sha256")
assert_equal("dsa_with_SHA256", cert.signature_algorithm)
# TODO: need more tests for dsa + sha2
# SHA1 is allowed from OpenSSL 1.0.0 (0.9.8 requires DSS1)
cert = issue_cert(@ca, @dsa256, 1, [], nil, nil, digest: "sha1")
assert_equal("dsaWithSHA1", cert.signature_algorithm)
end
def test_check_private_key
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil)
assert_equal(true, cert.check_private_key(@rsa2048))
end
def test_read_from_file
cert = issue_cert(@ca, @rsa2048, 1, [], nil, nil)
Tempfile.create("cert") { |f|
f << cert.to_pem
f.rewind
assert_equal cert.to_der, OpenSSL::X509::Certificate.new(f).to_der
}
end
def test_read_der_then_pem
cert1 = issue_cert(@ca, @rsa2048, 1, [], nil, nil)
exts = [
# A new line before PEM block
["nsComment", "Another certificate:\n" + cert1.to_pem],
]
cert2 = issue_cert(@ca, @rsa2048, 2, exts, nil, nil)
assert_equal cert2, OpenSSL::X509::Certificate.new(cert2.to_der)
assert_equal cert2, OpenSSL::X509::Certificate.new(cert2.to_pem)
end
def test_eq
now = Time.now
cacert = issue_cert(@ca, @rsa1024, 1, [], nil, nil,
not_before: now, not_after: now + 3600)
cert1 = issue_cert(@ee1, @rsa2048, 2, [], cacert, @rsa1024,
not_before: now, not_after: now + 3600)
cert2 = issue_cert(@ee1, @rsa2048, 2, [], cacert, @rsa1024,
not_before: now, not_after: now + 3600)
cert3 = issue_cert(@ee1, @rsa2048, 3, [], cacert, @rsa1024,
not_before: now, not_after: now + 3600)
cert4 = issue_cert(@ee1, @rsa2048, 2, [], cacert, @rsa1024,
digest: "sha512", not_before: now, not_after: now + 3600)
assert_equal false, cert1 == 12345
assert_equal true, cert1 == cert2
assert_equal false, cert1 == cert3
assert_equal false, cert1 == cert4
assert_equal false, cert3 == cert4
end
def test_marshal
now = Time.now
cacert = issue_cert(@ca, @rsa1024, 1, [], nil, nil,
not_before: now, not_after: now + 3600)
cert = issue_cert(@ee1, @rsa2048, 2, [], cacert, @rsa1024,
not_before: now, not_after: now + 3600)
deserialized = Marshal.load(Marshal.dump(cert))
assert_equal cert.to_der, deserialized.to_der
end
def test_load_file_empty_pem
empty_path = Fixtures.file_path("pkey", "empty.pem")
assert_raise(OpenSSL::X509::CertificateError) do
OpenSSL::X509::Certificate.load_file(empty_path)
end
end
def test_load_file_fullchain_pem
fullchain_path = Fixtures.file_path("pkey", "fullchain.pem")
certificates = OpenSSL::X509::Certificate.load_file(fullchain_path)
assert_equal 2, certificates.size
assert_equal "/CN=www.codeotaku.com", certificates[0].subject.to_s
assert_equal "/C=US/O=Let's Encrypt/CN=R3", certificates[1].subject.to_s
end
def test_load_file_certificate_der
fullchain_path = Fixtures.file_path("pkey", "certificate.der")
certificates = OpenSSL::X509::Certificate.load_file(fullchain_path)
# DER encoding can only contain one certificate:
assert_equal 1, certificates.size
assert_equal "/CN=www.codeotaku.com", certificates[0].subject.to_s
end
def test_load_file_fullchain_garbage
fullchain_path = Fixtures.file_path("pkey", "garbage.txt")
assert_raise(OpenSSL::X509::CertificateError) do
OpenSSL::X509::Certificate.load_file(fullchain_path)
end
end
private
def certificate_error_returns_false
yield
rescue OpenSSL::X509::CertificateError
false
end
end
end