def _encode_key(self):
if self.x is None:
raise SSHException('Not enough key information')
keylist = [0, self.p, self.q, self.g, self.y, self.x]
try:
b = BER()
b.encode(keylist)
except BERException:
raise SSHException('Unable to create ber encoding of key')
return str(b)
def _encode_key(self):
if self.x is None:
raise SSHException('Not enough key information')
keylist = [ 0, self.p, self.q, self.g, self.y, self.x ]
try:
b = BER()
b.encode(keylist)
except BERException:
raise SSHException('Unable to create ber encoding of key')
return bytes(b)
def _encode_key(self):
if (self.p is None) or (self.q is None):
raise SSHException('Not enough key info to write private key file')
keylist = [ 0, self.n, self.e, self.d, self.p, self.q,
self.d % (self.p - 1), self.d % (self.q - 1),
util.mod_inverse(self.q, self.p) ]
try:
b = BER()
b.encode(keylist)
except BERException:
raise SSHException('Unable to create ber encoding of key')
return bytes(b)
def _encode_key(self):
if (self.p is None) or (self.q is None):
raise SSHException('Not enough key info to write private key file')
keylist = [ 0, self.n, self.e, self.d, self.p, self.q,
self.d % (self.p - 1), self.d % (self.q - 1),
util.mod_inverse(self.q, self.p) ]
try:
b = BER()
b.encode(keylist)
except BERException:
raise SSHException('Unable to create ber encoding of key')
return str(b)
def _decode_key(self, data):
# private key file contains:
# DSAPrivateKey = { version = 0, p, q, g, y, x }
try:
keylist = BER(data).decode()
except BERException, x:
raise SSHException('Unable to parse key file: ' + str(x))
def _decode_key(self, data):
# private key file contains:
# RSAPrivateKey = { version = 0, n, e, d, p, q, d mod p-1, d mod q-1, q**-1 mod p }
try:
keylist = BER(data).decode()
except BERException:
raise SSHException('Unable to parse key file')
if (type(keylist) is not list) or (len(keylist) < 4) or (keylist[0] != 0):
raise SSHException('Not a valid RSA private key file (bad ber encoding)')
self.n = keylist[1]
self.e = keylist[2]
self.d = keylist[3]
# not really needed
self.p = keylist[4]
self.q = keylist[5]
self.size = util.bit_length(self.n)