Viewing file:  ASN1.py (3.23 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
"""
M2Crypto wrapper for OpenSSL ASN1 API.
Copyright (c) 1999-2004 Ng Pheng Siong. All rights reserved.
Portions created by Open Source Applications Foundation (OSAF) are
Copyright (C) 2005 OSAF. All Rights Reserved.
"""
import BIO
import m2
MBSTRING_FLAG = 0x1000
MBSTRING_ASC = MBSTRING_FLAG | 1
MBSTRING_BMP = MBSTRING_FLAG | 2
class ASN1_Integer:
m2_asn1_integer_free = m2.asn1_integer_free
def __init__(self, asn1int, _pyfree=0):
self.asn1int = asn1int
self._pyfree = _pyfree
def __cmp__(self, other):
return m2.asn1_integer_cmp(self.asn1int, other.asn1int)
def __del__(self):
if self._pyfree:
self.m2_asn1_integer_free(self.asn1int)
class ASN1_String:
m2_asn1_string_free = m2.asn1_string_free
def __init__(self, asn1str, _pyfree=0):
self.asn1str = asn1str
self._pyfree = _pyfree
def __str__(self):
buf = BIO.MemoryBuffer()
m2.asn1_string_print( buf.bio_ptr(), self.asn1str )
return buf.read_all()
def __del__(self):
if getattr(self, '_pyfree', 0):
self.m2_asn1_string_free(self.asn1str)
def _ptr(self):
return self.asn1str
def as_text(self, flags=0):
buf = BIO.MemoryBuffer()
m2.asn1_string_print_ex( buf.bio_ptr(), self.asn1str, flags)
return buf.read_all()
class ASN1_Object:
m2_asn1_object_free = m2.asn1_object_free
def __init__(self, asn1obj, _pyfree=0):
self.asn1obj = asn1obj
self._pyfree = _pyfree
def __del__(self):
if self._pyfree:
self.m2_asn1_object_free(self.asn1obj)
def _ptr(self):
return self.asn1obj
class ASN1_UTCTIME:
m2_asn1_utctime_free = m2.asn1_utctime_free
def __init__(self, asn1_utctime=None, _pyfree=0):
if asn1_utctime is not None:
assert m2.asn1_utctime_type_check(asn1_utctime), "'asn1_utctime' type error'"
self.asn1_utctime = asn1_utctime
self._pyfree = _pyfree
else:
self.asn1_utctime = m2.asn1_utctime_new ()
self._pyfree = 1
def __del__(self):
if getattr(self, '_pyfree', 0):
self.m2_asn1_utctime_free(self.asn1_utctime)
def __str__(self):
assert m2.asn1_utctime_type_check(self.asn1_utctime), "'asn1_utctime' type error'"
buf = BIO.MemoryBuffer()
m2.asn1_utctime_print( buf.bio_ptr(), self.asn1_utctime )
return buf.read_all()
def _ptr(self):
assert m2.asn1_utctime_type_check(self.asn1_utctime), "'asn1_utctime' type error'"
return self.asn1_utctime
def set_string (self, string):
"""
Set time from UTC string.
"""
assert m2.asn1_utctime_type_check(self.asn1_utctime), "'asn1_utctime' type error'"
return m2.asn1_utctime_set_string( self.asn1_utctime, string )
def set_time (self, time):
"""
Set time from seconds since epoch (long).
"""
assert m2.asn1_utctime_type_check(self.asn1_utctime), "'asn1_utctime' type error'"
return m2.asn1_utctime_set( self.asn1_utctime, time )
|