Example #1
0
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)
Example #2
0
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])
Example #3
0
def _parseSSLeay(bytes):
    return _parseASN1PrivateKey(ASN1_Node(str(bytes)))