class ExtKeyUsage(Extention):
value = [
base.ObjectId('extKeyUsage'),
base.Boolean(True),
base.OctetString(
"\x30\x10\x06\x08\x2B\x06\x01\x05\x05\x07\x03\x04\x06\x04\x55\x1D\x25\x00"
)
]
def __init__(self):
self.version = base.Integer(1, name='version', check=True)
self.issuerAndSerial = IssuerAndSerial()
self.digestAlgorithm = x509.Algorithm('hashAlgorithmIdentifier', name='digestAlgorithm')
self.attributes = Attributes()
self.encryptionAlgorithm = x509.Algorithm('rsaEncryption', name="encryptionAlgorithm")
self.digest = base.OctetString(name='digest')
base.Sequence.__init__(self,
[self.version,
self.issuerAndSerial,
self.digestAlgorithm,
self.attributes,
self.encryptionAlgorithm,
self.digest])
class AttMessageDigest(Attribute):
value = [base.ObjectId('messageDigest'), base.Set([base.OctetString()])]
class KeyUsage(Extention):
value = [
base.ObjectId('keyUsage'),
base.Boolean(True),
base.OctetString("\x03\x02\x01\xFE")
]
class Extention(base.Sequence):
value = [
base.ObjectId(name='extId'),
base.Boolean(name='critical'),
base.OctetString(name='value')
]