def _parsePKCS8(bytes):
s = ASN1_Node(str(bytes))
root = s.root()
version_node = s.first_child(root)
version = bytestr_to_int(s.get_value_of_type(version_node, 'INTEGER'))
if version != 0:
raise SyntaxError("Unrecognized PKCS8 version")
rsaOID_node = s.next_node(version_node)
ii = s.first_child(rsaOID_node)
rsaOID = decode_OID(s.get_value_of_type(ii, 'OBJECT IDENTIFIER'))
if rsaOID != '1.2.840.113549.1.1.1':
raise SyntaxError("Unrecognized AlgorithmIdentifier")
privkey_node = s.next_node(rsaOID_node)
value = s.get_value_of_type(privkey_node, 'OCTET STRING')
return _parseASN1PrivateKey(value)
def _parsePKCS8(bytes):
s = ASN1_Node(str(bytes))
root = s.root()
version_node = s.first_child(root)
version = bytestr_to_int(s.get_value_of_type(version_node, "INTEGER"))
if version != 0:
raise SyntaxError("Unrecognized PKCS8 version")
rsaOID_node = s.next_node(version_node)
ii = s.first_child(rsaOID_node)
rsaOID = decode_OID(s.get_value_of_type(ii, "OBJECT IDENTIFIER"))
if rsaOID != "1.2.840.113549.1.1.1":
raise SyntaxError("Unrecognized AlgorithmIdentifier")
privkey_node = s.next_node(rsaOID_node)
value = s.get_value_of_type(privkey_node, "OCTET STRING")
return _parseASN1PrivateKey(value)
def _parseASN1PrivateKey(s):
s = ASN1_Node(s)
root = s.root()
version_node = s.first_child(root)
version = bytestr_to_int(s.get_value_of_type(version_node, 'INTEGER'))
if version != 0:
raise SyntaxError("Unrecognized RSAPrivateKey version")
n = s.next_node(version_node)
e = s.next_node(n)
d = s.next_node(e)
p = s.next_node(d)
q = s.next_node(p)
dP = s.next_node(q)
dQ = s.next_node(dP)
qInv = s.next_node(dQ)
return map(lambda x: bytesToNumber(s.get_value_of_type(x, 'INTEGER')), [n, e, d, p, q, dP, dQ, qInv])
def _parseASN1PrivateKey(s):
s = ASN1_Node(s)
root = s.root()
version_node = s.first_child(root)
version = bytestr_to_int(s.get_value_of_type(version_node, "INTEGER"))
if version != 0:
raise SyntaxError("Unrecognized RSAPrivateKey version")
n = s.next_node(version_node)
e = s.next_node(n)
d = s.next_node(e)
p = s.next_node(d)
q = s.next_node(p)
dP = s.next_node(q)
dQ = s.next_node(dP)
qInv = s.next_node(dQ)
return map(lambda x: bytesToNumber(s.get_value_of_type(x, "INTEGER")), [n, e, d, p, q, dP, dQ, qInv])
