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"""SSL Ciphers
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
__all__ = ['Cipher', 'Cipher_Stack']
from M2Crypto import m2, six
from typing import Iterable # noqa
class Cipher(object):
def __init__(self, cipher):
# type: (str) -> None
self.cipher = cipher
def __len__(self):
# type: () -> int
return m2.ssl_cipher_get_bits(self.cipher)
def __repr__(self):
# type: () -> str
return "%s-%s" % (self.name(), len(self))
def __str__(self):
# type: () -> str
return "%s-%s" % (self.name(), len(self))
def version(self):
# type: () -> int
return m2.ssl_cipher_get_version(self.cipher)
def name(self):
# type: () -> str
return six.ensure_text(m2.ssl_cipher_get_name(self.cipher))
class Cipher_Stack(object):
def __init__(self, stack):
# type: (bytes) -> None
"""
:param stack: binary of the C-type STACK_OF(SSL_CIPHER)
"""
self.stack = stack
def __len__(self):
# type: () -> int
return m2.sk_ssl_cipher_num(self.stack)
def __getitem__(self, idx):
# type: (int) -> Cipher
if not 0 <= idx < m2.sk_ssl_cipher_num(self.stack):
raise IndexError('index out of range')
v = m2.sk_ssl_cipher_value(self.stack, idx)
return Cipher(v)
def __iter__(self):
# type: () -> Iterable
for i in six.moves.range(m2.sk_ssl_cipher_num(self.stack)):
yield self[i]
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