def toDER_PrivateKey(self):
derPrivKey = DerSequence()
derPrivKey[:] = [ 0,
self.key.n,
self.key.e,
self.key.d,
self.key.q,
self.key.p,
self.key.d % (self.key.q-1),
self.key.d % (self.key.p-1),
self.key.u ]
return derPrivKey.encode()
def fromPEM_PublicKey(self, publicKeyData):
try:
key64 = ''
for line in publicKeyData.splitlines():
if line.count('BEGIN RSA PUBLIC KEY') or line.count('END RSA PUBLIC KEY'):
continue
key64 += line.strip()
pubSeq = DerSequence()
pubSeq.decode(b64decode(key64))
self.key = RSA.construct( (pubSeq[0], pubSeq[1]) )
except:
raise RSAError, 'unable to load object from data'
def toPEM_PublicKey(self):
pemSeq = DerSequence()
pemSeq[:] = [ self.key.key.n, self.key.key.e ]
s = b64encode(pemSeq.encode())
src = '-----BEGIN RSA PUBLIC KEY-----\n'
while True:
src += s[:64] + '\n'
s = s[64:]
if s == '':
break
src += '-----END RSA PUBLIC KEY-----'
return src
def toDER_PublicKey(self):
derPK = DerSequence()
derPK[:] = [ self.key.key.n, self.key.key.e ]
return derPK.encode()
def fromPKey_PublicKey(self, pkey):
src = dump_privatekey(FILETYPE_ASN1, pkey)
pub_der = DerSequence()
pub_der.decode(src)
self.key = RSA.construct((long(pub_der._seq[1]), long(pub_der._seq[2])))
