def test_non_hashlib_oid(self):
invalid = DigestAlgorithmIdentifier()
invalid['algorithm'] = (1, 2, 840, 113549, 1, 9, 3)
self.assertRaises(ParseError,
_get_digest_algorithm,
invalid,
location="test")
def test_unknown_oid(self):
invalid = DigestAlgorithmIdentifier()
invalid['algorithm'] = (1, 2)
self.assertRaises(ParseError,
_get_digest_algorithm,
invalid,
location="test")
def test_non_null_parameters(self):
sha1 = DigestAlgorithmIdentifier()
sha1['algorithm'] = (1, 3, 14, 3, 2, 26)
sha1['parameters'] = "\x01\x01\xff" # TRUE boolean
self.assertRaises(ParseError,
_get_digest_algorithm,
sha1,
location="test")
def test_unacceptable_oid(self):
sha1 = DigestAlgorithmIdentifier()
sha1['algorithm'] = (1, 3, 14, 3, 2, 26)
self.assertRaises(ParseError,
_get_digest_algorithm,
sha1,
location="test",
acceptable=[hashlib.md5])
def test_null_parameters(self):
sha1 = DigestAlgorithmIdentifier()
sha1['algorithm'] = (1, 3, 14, 3, 2, 26)
sha1['parameters'] = "\x05\0" # null value
self.assertEqual(_get_digest_algorithm(sha1, location="test"), hashlib.sha1)
def test_acceptable_oid(self):
sha1 = DigestAlgorithmIdentifier()
sha1['algorithm'] = (1, 3, 14, 3, 2, 26)
self.assertEqual(_get_digest_algorithm(sha1, location="test"), hashlib.sha1)
id_contentType = univ.ObjectIdentifier("1.2.840.113549.1.9.3")
id_counterSignature = univ.ObjectIdentifier("1.2.840.113549.1.9.6")
id_individualCodeSigning = univ.ObjectIdentifier("1.3.6.1.4.1.311.2.1.21")
id_messageDigest = univ.ObjectIdentifier("1.2.840.113549.1.9.4")
id_rsaEncryption = univ.ObjectIdentifier("1.2.840.113549.1.1.1")
id_sha1 = univ.ObjectIdentifier("1.3.14.3.2.26")
id_sha256 = univ.ObjectIdentifier("2.16.840.1.101.3.4.2.1")
id_signedData = univ.ObjectIdentifier("1.2.840.113549.1.7.2")
id_signingTime = univ.ObjectIdentifier("1.2.840.113549.1.9.5")
id_spcIndirectDataContext = univ.ObjectIdentifier("1.3.6.1.4.1.311.2.1.4")
id_spcSpOpusInfo = univ.ObjectIdentifier("1.3.6.1.4.1.311.2.1.12")
id_spcStatementType = univ.ObjectIdentifier("1.3.6.1.4.1.311.2.1.11")
id_timestampSignature = univ.ObjectIdentifier("1.3.6.1.4.1.311.3.3.1")
algo_sha1 = (DigestAlgorithmIdentifier().setComponentByName(
"algorithm", id_sha1).setComponentByName("parameters", univ.Null("")))
algo_sha256 = (DigestAlgorithmIdentifier().setComponentByName(
"algorithm", id_sha256).setComponentByName("parameters", univ.Null("")))
ASN_DIGEST_ALGO_MAP = {"sha1": algo_sha1, "sha256": algo_sha256}
class SpcString(univ.Choice):
"""SPC String class represetning unicode or ascii strings."""
componentType = namedtype.NamedTypes(
namedtype.NamedType(
"unicode",
char.BMPString(encoding="utf-16-be").subtype(implicitTag=tag.Tag(
tag.tagClassContext, tag.tagFormatSimple, 0)),