def fill_and_store(self, modulus=None, modulusLen=None, pubExp=None,
prime1=None, prime2=None, coefficient=None,
exponent1=None, exponent2=None, privExp=None):
pubExp = pubExp or 65537
if None in [modulus, prime1, prime2, coefficient, privExp,
exponent1, exponent2]:
# note that the library requires every parameter
# in order to call RSAPrivateNumbers(...)
# if one of these is missing, we generate a whole new key
real_modulusLen = modulusLen or 2048
self.key = rsa.generate_private_key(public_exponent=pubExp,
key_size=real_modulusLen,
backend=default_backend())
self.pubkey = self.key.public_key()
else:
real_modulusLen = len(binrepr(modulus))
if modulusLen and real_modulusLen != modulusLen:
warning("modulus and modulusLen do not match!")
pubNum = rsa.RSAPublicNumbers(n=modulus, e=pubExp)
privNum = rsa.RSAPrivateNumbers(p=prime1, q=prime2,
dmp1=exponent1, dmq1=exponent2,
iqmp=coefficient, d=privExp,
public_numbers=pubNum)
self.key = privNum.private_key(default_backend())
self.pubkey = self.key.public_key()
# Lines below are only useful for the legacy part of pkcs1.py
pubNum = self.pubkey.public_numbers()
self._modulusLen = real_modulusLen
self._modulus = pubNum.n
self._pubExp = pubNum.e
def do_dec(cls,
s, # type: bytes
context=None, # type: Optional[Type[ASN1_Class]]
safe=False # type: bool
):
# type: (...) -> Tuple[ASN1_Object[str], bytes]
# /!\ the unused_bits information is lost after this decoding
l, s, t = cls.check_type_check_len(s)
if len(s) > 0:
unused_bits = orb(s[0])
if safe and unused_bits > 7:
raise BER_Decoding_Error(
"BERcodec_BIT_STRING: too many unused_bits advertised",
remaining=s
)
fs = "".join(binrepr(orb(x)).zfill(8) for x in s[1:])
if unused_bits > 0:
fs = fs[:-unused_bits]
return cls.tag.asn1_object(fs), t
else:
raise BER_Decoding_Error(
"BERcodec_BIT_STRING found no content "
"(not even unused_bits byte)",
remaining=s
)
def __setattr__(self, name, value):
if name == "val_readable":
if isinstance(value, str):
val = "".join(binrepr(ord(x)).zfill(8) for x in value)
else:
val = "<invalid val_readable>"
super(ASN1_Object, self).__setattr__("val", val)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", 0)
elif name == "val":
if isinstance(value, str):
if len([c for c in value if c not in ["0", "1"]]) > 0:
print "Invalid operation: 'val' is not a valid bit string."
return
else:
if len(value) % 8 == 0:
unused_bits = 0
else:
unused_bits = 8 - (len(value) % 8)
padded_value = value + ("0" * unused_bits)
bytes_arr = zip(*[iter(padded_value)] * 8)
val_readable = "".join(
chr(int("".join(x), 2)) for x in bytes_arr)
else:
val_readable = "<invalid val>"
unused_bits = 0
super(ASN1_Object, self).__setattr__("val_readable", val_readable)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", unused_bits)
elif name == "unused_bits":
print "Invalid operation: unused_bits rewriting is not supported."
else:
super(ASN1_Object, self).__setattr__(name, value)
def __init__(self, name, default, default_readable=True, context=None,
implicit_tag=None, explicit_tag=None):
if default is not None and default_readable:
default = "".join(binrepr(ord(x)).zfill(8) for x in default)
ASN1F_field.__init__(self, name, default, context=context,
implicit_tag=implicit_tag,
explicit_tag=explicit_tag)
def __init__(self, name, default, default_readable=True, context=None,
implicit_tag=None, explicit_tag=None):
if default is not None and default_readable:
default = b"".join(binrepr(orb(x)).zfill(8).encode("utf8") for x in default)
ASN1F_field.__init__(self, name, default, context=context,
implicit_tag=implicit_tag,
explicit_tag=explicit_tag)
def i2m(self, pkt, x):
if x is None:
s = b""
else:
s = raw(x)
s = b"".join(binrepr(orb(x)).zfill(8).encode("utf8") for x in s)
return ASN1F_BIT_STRING.i2m(self, pkt, s)
def i2m(self, pkt, x):
if x is None:
s = ""
else:
s = str(x)
s = "".join(binrepr(ord(x)).zfill(8) for x in s)
return ASN1F_BIT_STRING.i2m(self, pkt, s)
def __init__(self, name, default, default_readable=True, context=None,
implicit_tag=None, explicit_tag=None):
if default is not None and default_readable:
default = b"".join(binrepr(orb(x)).zfill(8).encode("utf8") for x in default) # noqa: E501
ASN1F_field.__init__(self, name, default, context=context,
implicit_tag=implicit_tag,
explicit_tag=explicit_tag)
def __setattr__(self, name, value):
if name == "val_readable":
if isinstance(value, str):
val = "".join(binrepr(ord(x)).zfill(8) for x in value)
else:
val = "<invalid val_readable>"
super(ASN1_Object, self).__setattr__("val", val)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", 0)
elif name == "val":
if isinstance(value, str):
if len([c for c in value if c not in ["0", "1"]]) > 0:
print "Invalid operation: 'val' is not a valid bit string."
return
else:
if len(value) % 8 == 0:
unused_bits = 0
else:
unused_bits = 8 - (len(value) % 8)
padded_value = value + ("0" * unused_bits)
bytes_arr = zip(*[iter(padded_value)]*8)
val_readable = "".join(chr(int("".join(x),2)) for x in bytes_arr)
else:
val_readable = "<invalid val>"
unused_bits = 0
super(ASN1_Object, self).__setattr__("val_readable", val_readable)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", unused_bits)
elif name == "unused_bits":
print "Invalid operation: unused_bits rewriting is not supported."
else:
super(ASN1_Object, self).__setattr__(name, value)
def i2m(self, pkt, x):
if x is None:
s = b""
else:
s = raw(x)
s = b"".join(binrepr(orb(x)).zfill(8).encode("utf8") for x in s)
return ASN1F_BIT_STRING.i2m(self, pkt, s)
def i2m(self, pkt, x):
if x is None:
s = ""
else:
s = str(x)
s = "".join(binrepr(ord(x)).zfill(8) for x in s)
return ASN1F_BIT_STRING.i2m(self, pkt, s)
def fill_and_store(self, modulus=None, modulusLen=None, pubExp=None,
prime1=None, prime2=None, coefficient=None,
exponent1=None, exponent2=None, privExp=None):
pubExp = pubExp or 65537
if None in [modulus, prime1, prime2, coefficient, privExp,
exponent1, exponent2]:
# note that the library requires every parameter
# in order to call RSAPrivateNumbers(...)
# if one of these is missing, we generate a whole new key
real_modulusLen = modulusLen or 2048
self.key = rsa.generate_private_key(public_exponent=pubExp,
key_size=real_modulusLen,
backend=default_backend())
self.pubkey = self.key.public_key()
else:
real_modulusLen = len(binrepr(modulus))
if modulusLen and real_modulusLen != modulusLen:
warning("modulus and modulusLen do not match!")
pubNum = rsa.RSAPublicNumbers(n=modulus, e=pubExp)
privNum = rsa.RSAPrivateNumbers(p=prime1, q=prime2,
dmp1=exponent1, dmq1=exponent2,
iqmp=coefficient, d=privExp,
public_numbers=pubNum)
self.key = privNum.private_key(default_backend())
self.pubkey = self.key.public_key()
# Lines below are only useful for the legacy part of pkcs1.py
pubNum = self.pubkey.public_numbers()
self._modulusLen = real_modulusLen
self._modulus = pubNum.n
self._pubExp = pubNum.e
def updateWith(self, pubkey):
self.modulus = pubkey.modulus.val
self.modulusLen = len(binrepr(pubkey.modulus.val))
self.pubExp = pubkey.publicExponent.val
self.key = RSA.construct((
self.modulus,
self.pubExp,
))
def updateWith(self, privkey):
self.modulus = privkey.modulus.val
self.modulusLen = len(binrepr(privkey.modulus.val))
self.pubExp = privkey.publicExponent.val
self.privExp = privkey.privateExponent.val
self.prime1 = privkey.prime1.val
self.prime2 = privkey.prime2.val
self.exponent1 = privkey.exponent1.val
self.exponent2 = privkey.exponent2.val
self.coefficient = privkey.coefficient.val
self.key = RSA.construct((self.modulus, self.pubExp, self.privExp))
def updateWith(self, privkey):
self.modulus = privkey.modulus.val
self.modulusLen = len(binrepr(privkey.modulus.val))
self.pubExp = privkey.publicExponent.val
self.privExp = privkey.privateExponent.val
self.prime1 = privkey.prime1.val
self.prime2 = privkey.prime2.val
self.exponent1 = privkey.exponent1.val
self.exponent2 = privkey.exponent2.val
self.coefficient = privkey.coefficient.val
self.key = RSA.construct((self.modulus, self.pubExp, self.privExp))
def do_dec(cls, s, context=None, safe=False):
# /!\ the unused_bits information is lost after this decoding
l, s, t = cls.check_type_check_len(s)
if len(s) > 0:
unused_bits = ord(s[0])
if safe and unused_bits > 7:
raise BER_Decoding_Error("BERcodec_BIT_STRING: too many unused_bits advertised", remaining=s)
s = "".join(binrepr(ord(x)).zfill(8) for x in s[1:])
if unused_bits > 0:
s = s[:-unused_bits]
return cls.tag.asn1_object(s), t
else:
raise BER_Decoding_Error("BERcodec_BIT_STRING found no content (not even unused_bits byte)", remaining=s)
def do_dec(cls, s, context=None, safe=False):
# /!\ the unused_bits information is lost after this decoding
l, s, t = cls.check_type_check_len(s)
if len(s) > 0:
unused_bits = orb(s[0])
if safe and unused_bits > 7:
raise BER_Decoding_Error("BERcodec_BIT_STRING: too many unused_bits advertised", remaining=s)
s = "".join(binrepr(orb(x)).zfill(8) for x in s[1:])
if unused_bits > 0:
s = s[:-unused_bits]
return cls.tag.asn1_object(s), t
else:
raise BER_Decoding_Error("BERcodec_BIT_STRING found no content (not even unused_bits byte)", remaining=s)
def __init__(self, val, readable=False):
if readable:
self.val_readable = val
val = "".join(binrepr(ord(x)).zfill(8) for x in val)
self.unused_bits = 0
else:
if len(val) % 8 == 0:
self.unused_bits = 0
else:
self.unused_bits = 8 - len(val) % 8
padded_val = val + "0" * self.unused_bits
bytes_arr = zip(*[iter(padded_val)] * 8)
self.val_readable = "".join(chr(int("".join(x), 2)) for x in bytes_arr)
ASN1_Object.__init__(self, val)
def encode_point(point, point_format=0):
"""
Return a string representation of the Point p, according to point_format.
"""
pLen = len(binrepr(point.curve().p()))
x = pkcs_i2osp(point.x(), math.ceil(pLen / 8))
y = pkcs_i2osp(point.y(), math.ceil(pLen / 8))
if point_format == 0:
frmt = '\x04'
elif point_format == 1:
frmt = chr(2 + y % 2)
y = ''
else:
raise Exception("No support for point_format %d" % point_format)
return frmt + x + y
def encode_point(point, point_format=0):
"""
Return a string representation of the Point p, according to point_format.
"""
pLen = len(binrepr(point.curve().p()))
x = pkcs_i2osp(point.x(), math.ceil(pLen/8))
y = pkcs_i2osp(point.y(), math.ceil(pLen/8))
if point_format == 0:
frmt = '\x04'
elif point_format == 1:
frmt = chr(2 + y%2)
y = ''
else:
raise Exception("No support for point_format %d" % point_format)
return frmt + x + y
def __init__(self, val, readable=False):
if readable:
self.val_readable = val
val = "".join(binrepr(ord(x)).zfill(8) for x in val)
self.unused_bits = 0
else:
if len(val) % 8 == 0:
self.unused_bits = 0
else:
self.unused_bits = 8 - len(val) % 8
padded_val = val + "0" * self.unused_bits
bytes_arr = zip(*[iter(padded_val)] * 8)
self.val_readable = "".join(
chr(int("".join(x), 2)) for x in bytes_arr)
ASN1_Object.__init__(self, val)
def updateWith(self, privkey):
self.modulus = privkey.modulus.val
self.modulusLen = len(binrepr(privkey.modulus.val))
self.pubExp = privkey.publicExponent.val
self.privExp = privkey.privateExponent.val
self.prime1 = privkey.prime1.val
self.prime2 = privkey.prime2.val
self.exponent1 = privkey.exponent1.val
self.exponent2 = privkey.exponent2.val
self.coefficient = privkey.coefficient.val
self.key = rsa.RSAPrivateNumbers(
p=self.prime1,
q=self.prime2,
d=self.privExp,
dmp1=self.exponent1,
dmq1=self.exponent2,
iqmp=self.coefficient,
public_numbers=rsa.RSAPublicNumbers(n=self.modulus, e=self.pubExp),
).private_key(default_backend())
def fill_and_store(self, modulus=None, modulusLen=None, pubExp=None):
pubExp = pubExp or 65537
if modulus is None:
real_modulusLen = modulusLen or 2048
private_key = rsa.generate_private_key(public_exponent=pubExp,
key_size=real_modulusLen,
backend=default_backend())
self.pubkey = private_key.public_key()
else:
real_modulusLen = len(binrepr(modulus))
if real_modulusLen != modulusLen:
warning("modulus and modulusLen do not match!")
pubNum = rsa.RSAPublicNumbers(n=modulus, e=pubExp)
self.pubkey = pubNum.public_key(default_backend())
#XXX lines below should be removed once pkcs1.py is cleaned of legacy
pubNum = self.pubkey.public_numbers()
self._modulusLen = real_modulusLen
self._modulus = pubNum.n
self._pubExp = pubNum.e
def fill_and_store(self, modulus=None, modulusLen=None, pubExp=None):
pubExp = pubExp or 65537
if not modulus:
real_modulusLen = modulusLen or 2048
private_key = rsa.generate_private_key(public_exponent=pubExp,
key_size=real_modulusLen,
backend=default_backend())
self.pubkey = private_key.public_key()
else:
real_modulusLen = len(binrepr(modulus))
if modulusLen and real_modulusLen != modulusLen:
warning("modulus and modulusLen do not match!")
pubNum = rsa.RSAPublicNumbers(n=modulus, e=pubExp)
self.pubkey = pubNum.public_key(default_backend())
# Lines below are only useful for the legacy part of pkcs1.py
pubNum = self.pubkey.public_numbers()
self._modulusLen = real_modulusLen
self._modulus = pubNum.n
self._pubExp = pubNum.e
def fill_and_store(self, modulus=None, modulusLen=None, pubExp=None):
pubExp = pubExp or 65537
if modulus is None:
real_modulusLen = modulusLen or 2048
private_key = rsa.generate_private_key(public_exponent=pubExp,
key_size=real_modulusLen,
backend=default_backend())
self.pubkey = private_key.public_key()
else:
real_modulusLen = len(binrepr(modulus))
if modulusLen and real_modulusLen != modulusLen:
warning("modulus and modulusLen do not match!")
pubNum = rsa.RSAPublicNumbers(n=modulus, e=pubExp)
self.pubkey = pubNum.public_key(default_backend())
# Lines below are only useful for the legacy part of pkcs1.py
pubNum = self.pubkey.public_numbers()
self._modulusLen = real_modulusLen
self._modulus = pubNum.n
self._pubExp = pubNum.e
def __setattr__(self, name, value):
str_value = None
if isinstance(value, str):
str_value = value
value = raw(value)
if name == "val_readable":
if isinstance(value, bytes):
val = b"".join(
binrepr(orb(x)).zfill(8).encode("utf8")
for x in value) # noqa: E501
else:
val = "<invalid val_readable>"
super(ASN1_Object, self).__setattr__("val", val)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", 0)
elif name == "val":
if not str_value:
str_value = plain_str(value)
if isinstance(value, bytes):
if any(c for c in str_value if c not in ["0", "1"]):
print("Invalid operation: 'val' is not a valid bit string."
) # noqa: E501
return
else:
if len(value) % 8 == 0:
unused_bits = 0
else:
unused_bits = 8 - (len(value) % 8)
padded_value = str_value + ("0" * unused_bits)
bytes_arr = zip(*[iter(padded_value)] * 8)
val_readable = b"".join(
chb(int("".join(x), 2))
for x in bytes_arr) # noqa: E501
else:
val_readable = "<invalid val>"
unused_bits = 0
super(ASN1_Object, self).__setattr__("val_readable", val_readable)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", unused_bits)
elif name == "unused_bits":
print("Invalid operation: unused_bits rewriting is not supported.")
else:
super(ASN1_Object, self).__setattr__(name, value)
def fill_and_store(self, modulus=None, modulusLen=None, pubExp=None):
pubExp = pubExp or 65537
if modulus is None:
real_modulusLen = modulusLen or 2048
private_key = rsa.generate_private_key(public_exponent=pubExp,
key_size=real_modulusLen,
backend=default_backend())
self.pubkey = private_key.public_key()
else:
real_modulusLen = len(binrepr(modulus))
if real_modulusLen != modulusLen:
warning("modulus and modulusLen do not match!")
pubNum = rsa.RSAPublicNumbers(n=modulus, e=pubExp)
self.pubkey = pubNum.public_key(default_backend())
#XXX lines below should be removed once pkcs1.py is cleaned of legacy
pubNum = self.pubkey.public_numbers()
self._modulusLen = real_modulusLen
self._modulus = pubNum.n
self._pubExp = pubNum.e
def __setattr__(self, name, value):
# type: (str, Any) -> None
if name == "val_readable":
if isinstance(value, (str, bytes)):
val = "".join(binrepr(orb(x)).zfill(8) for x in value)
else:
warning("Invalid val: should be bytes")
val = "<invalid val_readable>"
object.__setattr__(self, "val", val)
object.__setattr__(self, name, bytes_encode(value))
object.__setattr__(self, "unused_bits", 0)
elif name == "val":
value = plain_str(value)
if isinstance(value, str):
if any(c for c in value if c not in ["0", "1"]):
warning(
"Invalid operation: 'val' is not a valid bit string."
) # noqa: E501
return
else:
if len(value) % 8 == 0:
unused_bits = 0
else:
unused_bits = 8 - (len(value) % 8)
padded_value = value + ("0" * unused_bits)
bytes_arr = zip(*[iter(padded_value)] * 8)
val_readable = b"".join(
chb(int("".join(x), 2))
for x in bytes_arr) # noqa: E501
else:
warning("Invalid val: should be str")
val_readable = b"<invalid val>"
unused_bits = 0
object.__setattr__(self, "val_readable", val_readable)
object.__setattr__(self, name, value)
object.__setattr__(self, "unused_bits", unused_bits)
elif name == "unused_bits":
warning("Invalid operation: unused_bits rewriting "
"is not supported.")
else:
object.__setattr__(self, name, value)
def __setattr__(self, name, value):
if isinstance(value, str):
value = bytes_encode(value)
if name == "val_readable":
if isinstance(value, bytes):
val = b"".join(
binrepr(orb(x)).zfill(8).encode("utf8")
for x in value) # noqa: E501
else:
val = "<invalid val_readable>"
super(ASN1_Object, self).__setattr__("val", val)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", 0)
elif name == "val":
if isinstance(value, bytes):
if any(True for x in range(len(value))
if value[x:x + 1] not in [b"0", b"1"]):
print("Invalid operation: 'val' is not a valid bit string."
) # noqa: E501
return
else:
if len(value) % 8 == 0:
unused_bits = 0
else:
unused_bits = 8 - (len(value) % 8)
padded_value = value + (b"0" * unused_bits)
bytes_arr = zip(*[(padded_value[i:i + 1]
for i in range(len(padded_value)))] * 8)
val_readable = b"".join(
chb(int(b"".join(x), 2)) for x in bytes_arr)
else:
val_readable = "<invalid val>"
unused_bits = 0
super(ASN1_Object, self).__setattr__("val_readable", val_readable)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", unused_bits)
elif name == "unused_bits":
print("Invalid operation: unused_bits rewriting is not supported.")
else:
super(ASN1_Object, self).__setattr__(name, value)
def __setattr__(self, name, value):
str_value = None
if isinstance(value, str):
str_value = value
value = raw(value)
if name == "val_readable":
if isinstance(value, bytes):
val = b"".join(binrepr(orb(x)).zfill(8).encode("utf8") for x in value) # noqa: E501
else:
val = "<invalid val_readable>"
super(ASN1_Object, self).__setattr__("val", val)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", 0)
elif name == "val":
if not str_value:
str_value = plain_str(value)
if isinstance(value, bytes):
if any(c for c in str_value if c not in ["0", "1"]):
print("Invalid operation: 'val' is not a valid bit string.") # noqa: E501
return
else:
if len(value) % 8 == 0:
unused_bits = 0
else:
unused_bits = 8 - (len(value) % 8)
padded_value = str_value + ("0" * unused_bits)
bytes_arr = zip(*[iter(padded_value)] * 8)
val_readable = b"".join(chb(int("".join(x), 2)) for x in bytes_arr) # noqa: E501
else:
val_readable = "<invalid val>"
unused_bits = 0
super(ASN1_Object, self).__setattr__("val_readable", val_readable)
super(ASN1_Object, self).__setattr__(name, value)
super(ASN1_Object, self).__setattr__("unused_bits", unused_bits)
elif name == "unused_bits":
print("Invalid operation: unused_bits rewriting is not supported.")
else:
super(ASN1_Object, self).__setattr__(name, value)
def post_build(self, p, pay):
# first 10 bits of an ofp_match are always set to 0
l = "0"*10
# when one field has not been declared, it is assumed to be wildcarded
if self.wildcards1 is None:
if self.nw_tos is None:
l += "1"
else:
l += "0"
if self.dl_vlan_pcp is None:
l += "1"
else:
l += "0"
else:
w1 = binrepr(self.wildcards1)
l += "0"*(2-len(w1))
l += w1
# ip masks use 6 bits each
if self.nw_dst_mask is None:
if self.nw_dst is "0":
l += "111111"
# 0x100000 would be ok too (32-bit IP mask)
else:
l += "0"*6
else:
m1 = binrepr(self.nw_dst_mask)
l += "0"*(6-len(m1))
l += m1
if self.nw_src_mask is None:
if self.nw_src is "0":
l += "111111"
else:
l += "0"*6
else:
m2 = binrepr(self.nw_src_mask)
l += "0"*(6-len(m2))
l += m2
# wildcards2 works the same way as wildcards1
if self.wildcards2 is None:
if self.tp_dst is None:
l += "1"
else:
l += "0"
if self.tp_src is None:
l += "1"
else:
l += "0"
if self.nw_proto is None:
l += "1"
else:
l += "0"
if self.dl_type is None:
l += "1"
else:
l += "0"
if self.dl_dst is None:
l += "1"
else:
l += "0"
if self.dl_src is None:
l += "1"
else:
l += "0"
if self.dl_vlan is None:
l += "1"
else:
l += "0"
if self.in_port is None:
l += "1"
else:
l += "0"
else:
w2 = binrepr(self.wildcards2)
l += "0"*(8-len(w2))
l += w2
# In order to write OFPMatch compliant with the specifications,
# if prereq_autocomplete has been set to True
# we assume ethertype=IP or nwproto=TCP when appropriate subfields are
# provided.
if prereq_autocomplete:
if self.dl_type is None:
if self.nw_src is not "0" or self.nw_dst is not "0" or self.nw_proto is not None or self.nw_tos is not None:
p = p[:22] + struct.pack("!H", 0x0800) + p[24:]
l = l[:-5] + "0" + l[-4:]
if self.nw_proto is None:
if self.tp_src is not None or self.tp_dst is not None:
p = p[:22] + struct.pack("!H", 0x0800) + p[24:]
l = l[:-5] + "0" + l[-4:]
p = p[:25] + struct.pack("!B", 0x06) + p[26:]
l = l[:-6] + "0" + l[-5:]
ins = "".join(chr(int("".join(x), 2)) for x in zip(*[iter(l)]*8))
p = ins + p[4:]
return p + pay
def updateWith(self, pubkey):
self.modulus = pubkey.modulus.val
self.modulusLen = len(binrepr(pubkey.modulus.val))
self.pubExp = pubkey.publicExponent.val
self.key = rsa.RSAPublicNumbers(
n=self.modulus, e=self.pubExp).public_key(default_backend())
def updateWith(self, pubkey):
self.modulus = pubkey.modulus.val
self.modulusLen = len(binrepr(pubkey.modulus.val))
self.pubExp = pubkey.publicExponent.val
self.key = RSA.construct((self.modulus, self.pubExp, ))