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"""ASN.1 X509 base components."""
from ct.crypto.asn1 import oid
from ct.crypto.asn1 import print_util
from ct.crypto.asn1 import types
class Version(types.Integer):
def _encode_value(self):
return types.encode_int(self._value - 1)
@classmethod
def _convert_value(cls, value):
return int(value) + 1
@classmethod
def _decode_value(cls, buf, strict=True):
return types.decode_int(buf, strict=strict) + 1
class CertificateSerialNumber(types.Integer):
def __str__(self):
return print_util.int_to_hex(int(self))
class AlgorithmIdentifier(types.Sequence):
components = (
(types.Component("algorithm", oid.ObjectIdentifier)),
(types.Component("parameters", types.Any, optional=True))
)
class UniqueIdentifier(types.BitString):
pass
class SubjectPublicKeyInfo(types.Sequence):
components = (
(types.Component("algorithm", AlgorithmIdentifier)),
(types.Component("subjectPublicKey", types.BitString))
)
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