# Source code for M2Crypto.SSL.Cipher

    """SSL Ciphers

    Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""

    __all__ = ["Cipher", "Cipher_Stack"]

    from M2Crypto import m2, types as C
    from typing import Iterable  # noqa

    class Cipher(object):
        cipher: C.SSL_CIPHER

        def __init__(self, cipher: C.SSL_CIPHER, _pyfree: int = 0) -> None:
            self.cipher = cipher

        def __len__(self) -> int:
            return m2.ssl_cipher_get_bits(self.cipher)

        def __repr__(self) -> str:
            return "%s-%s" % (self.name(), len(self))

        def __str__(self) -> str:
            return "%s-%s" % (self.name(), len(self))

        def version(self) -> str:
            return m2.ssl_cipher_get_version(self.cipher)

        def name(self) -> str:
            return m2.ssl_cipher_get_name(self.cipher)

    class Cipher_Stack(object):
        stack: C.STACK_OF_SSL_CIPHER

        def __init__(self, stack: C.STACK_OF_SSL_CIPHER, _pyfree: int = 0) -> None:
            """
            :param stack: binary of the C-type STACK_OF(SSL_CIPHER)
            """
            self.stack = stack

        def __len__(self) -> int:
            return m2.sk_ssl_cipher_num(self.stack)

        def __getitem__(self, idx: 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) -> Iterable:
            for i in range(m2.sk_ssl_cipher_num(self.stack)):
                yield self[i]