def __init__(self, msg=None, data=None, filename=None, password=None, vals=None, file_obj=None):
self.p = None
self.q = None
self.g = None
self.y = None
self.x = None
if file_obj is not None:
self._from_private_key(file_obj, password)
return
if filename is not None:
self._from_private_key_file(filename, password)
return
if (msg is None) and (data is not None):
msg = Message(data)
if vals is not None:
self.p, self.q, self.g, self.y = vals
else:
if msg is None:
raise SSHException('Key object may not be empty')
if msg.get_text() != 'ssh-dss':
raise SSHException('Invalid key')
self.p = msg.get_mpint()
self.q = msg.get_mpint()
self.g = msg.get_mpint()
self.y = msg.get_mpint()
self.size = util.bit_length(self.p)
def __init__(self, data=None, privdata=None, filename=None, password=None, vals=None, file_obj=None):
self.n = None
self.e = None
self.d = None
self.p = None
self.q = None
self.__public_key = None
self.__private_key = None
self.__rsassa_pss_signer = None
self.__rsassa_pss_verifier = None
if file_obj is not None:
self._from_private_key(file_obj, password)
return
if filename is not None:
self._from_private_key_file(filename, password)
return
if vals is not None:
self.e, self.n = vals
else:
if data is None:
if privdata is None:
raise SshException("Key object may not be empty")
else:
self._decode_key(privdata)
else:
i, v = sshtype.parseString(data)
if v != "ssh-rsa":
raise SshException("Invalid key")
l, self.e = sshtype.parseMpint(data[i:])
i += l
l, self.n = sshtype.parseMpint(data[i:])
self.size = util.bit_length(self.n)
def __init__(self, data=None, privdata=None, filename=None, password=None, vals=None, file_obj=None):
self.n = None
self.e = None
self.d = None
self.p = None
self.q = None
self.__public_key = None
self.__public_key_bytes = None
self.__private_key = None
self.__rsassa_pss_signer = None
self.__rsassa_pss_verifier = None
if file_obj is not None:
self._from_private_key(file_obj, password)
return
if filename is not None:
self._from_private_key_file(filename, password)
return
if vals is not None:
self.e, self.n = vals
else:
if data is None:
if privdata is None:
raise SshException('Key object may not be empty')
else:
self._decode_key(privdata)
else:
i, v = sshtype.parseString(data)
if v != 'ssh-rsa':
raise SshException('Invalid key')
l, self.e = sshtype.parseMpint(data[i:])
i += l
l, self.n = sshtype.parseMpint(data[i:])
self.size = util.bit_length(self.n)
def __init__(self,
msg=None,
data=None,
filename=None,
password=None,
vals=None,
file_obj=None):
self.p = None
self.q = None
self.g = None
self.y = None
self.x = None
if file_obj is not None:
self._from_private_key(file_obj, password)
return
if filename is not None:
self._from_private_key_file(filename, password)
return
if (msg is None) and (data is not None):
msg = Message(data)
if vals is not None:
self.p, self.q, self.g, self.y = vals
else:
if msg is None:
raise SSHException('Key object may not be empty')
if msg.get_text() != 'ssh-dss':
raise SSHException('Invalid key')
self.p = msg.get_mpint()
self.q = msg.get_mpint()
self.g = msg.get_mpint()
self.y = msg.get_mpint()
self.size = util.bit_length(self.p)
def _decode_key(self, data):
# private key file contains:
# DSAPrivateKey = { version = 0, p, q, g, y, x }
try:
keylist = BER(data).decode()
except BERException as e:
raise SSHException('Unable to parse key file: ' + str(e))
if (type(keylist) is not list) or (len(keylist) < 6) or (keylist[0] != 0):
raise SSHException('not a valid DSA private key file (bad ber encoding)')
self.p = keylist[1]
self.q = keylist[2]
self.g = keylist[3]
self.y = keylist[4]
self.x = keylist[5]
self.size = util.bit_length(self.p)
def _decode_key(self, data):
# private key file contains:
# DSAPrivateKey = { version = 0, p, q, g, y, x }
try:
keylist = BER(data).decode()
except BERException as e:
raise SSHException('Unable to parse key file: ' + str(e))
if (type(keylist)
is not list) or (len(keylist) < 6) or (keylist[0] != 0):
raise SSHException(
'not a valid DSA private key file (bad ber encoding)')
self.p = keylist[1]
self.q = keylist[2]
self.g = keylist[3]
self.y = keylist[4]
self.x = keylist[5]
self.size = util.bit_length(self.p)
