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Pickle #479

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Pickle #479

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2e8fe11
make SNIExtension pickleable
tomato42 Feb 2, 2022
b7e6a10
make m2crypto backed public key pickleable
tomato42 Feb 2, 2022
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2 changes: 2 additions & 0 deletions tlslite/extensions.py
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Original file line number Diff line number Diff line change
Expand Up @@ -674,6 +674,8 @@ class SNIExtension(TLSExtension):
"""

ServerName = namedtuple('ServerName', 'name_type name')
# make the namedtuple pickleable
globals()[ServerName.__name__] = ServerName

def __init__(self):
"""
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19 changes: 19 additions & 0 deletions tlslite/utils/openssl_rsakey.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,9 @@ def password_callback(v, prompt1='Enter private key passphrase:',

if m2cryptoLoaded:
import M2Crypto
# the methods like rsa_get_e and rsa_get_n are native, so pylint can't find
# them, ignore those errors
#pylint: disable=no-member

class OpenSSL_RSAKey(RSAKey):
def __init__(self, n=0, e=0, key_type="rsa"):
Expand All @@ -43,6 +46,22 @@ def __init__(self, n=0, e=0, key_type="rsa"):
m2.rsa_set_e(self.rsa, numberToMPI(e))
self.key_type = key_type

def __getstate__(self):
if not self.rsa:
return (self.key_type, )
return (self.key_type,
mpiToNumber(m2.rsa_get_e(self.rsa)),
mpiToNumber(m2.rsa_get_n(self.rsa)))

def __setstate__(self, state):
self.rsa = None
self._hasPrivateKey = False
self.key_type = state[0]
if len(state) > 1:
self.rsa = m2.rsa_new()
m2.rsa_set_e(self.rsa, numberToMPI(state[1]))
m2.rsa_set_n(self.rsa, numberToMPI(state[2]))

def __del__(self):
if self.rsa:
m2.rsa_free(self.rsa)
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