Python load cipher

17 Python code examples are found related to " load cipher". You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.
Example 1
Source File: ctypes_openssl.py    From Dockerfiles with Apache License 2.0 5 votes vote down vote up 
def load_cipher(cipher_name):
    func_name = b'EVP_' + cipher_name.replace(b'-', b'_')
    if bytes != str:
        func_name = str(func_name, 'utf-8')
    cipher = getattr(libcrypto, func_name, None)
    if cipher:
        cipher.restype = c_void_p
        return cipher()
    return None
Example 2
Source File: openssl.py    From shadowsocks-with-socks-auth with Apache License 2.0 5 votes vote down vote up 
def load_cipher(cipher_name):
    func_name = 'EVP_' + cipher_name.replace('-', '_')
    if bytes != str:
        func_name = str(func_name, 'utf-8')
    cipher = getattr(libcrypto, func_name, None)
    if cipher:
        cipher.restype = c_void_p
        return cipher()
    return None
Example 3
Source File: __init__.py    From bazarr with GNU General Public License v3.0 5 votes vote down vote up 
def loadCipherSuite(self):
        if self.cipherSuite:
            return self.cipherSuite

        self.cipherSuite = ''

        if hasattr(ssl, 'PROTOCOL_TLS'):
            ciphers = [
                'ECDHE-ECDSA-AES128-GCM-SHA256', 'ECDHE-RSA-AES128-GCM-SHA256', 'ECDHE-ECDSA-AES256-GCM-SHA384',
                'ECDHE-RSA-AES256-GCM-SHA384', 'ECDHE-ECDSA-CHACHA20-POLY1305-SHA256', 'ECDHE-RSA-CHACHA20-POLY1305-SHA256',
                'ECDHE-RSA-AES128-CBC-SHA', 'ECDHE-RSA-AES256-CBC-SHA', 'RSA-AES128-GCM-SHA256', 'RSA-AES256-GCM-SHA384',
                'ECDHE-RSA-AES128-GCM-SHA256', 'RSA-AES256-SHA', '3DES-EDE-CBC'
            ]

            if hasattr(ssl, 'PROTOCOL_TLSv1_3'):
                ciphers.insert(0, ['GREASE_3A', 'GREASE_6A', 'AES128-GCM-SHA256', 'AES256-GCM-SHA256', 'AES256-GCM-SHA384', 'CHACHA20-POLY1305-SHA256'])

            ctx = ssl.SSLContext(getattr(ssl, 'PROTOCOL_TLSv1_3', ssl.PROTOCOL_TLSv1_2))

            for cipher in ciphers:
                try:
                    ctx.set_ciphers(cipher)
                    self.cipherSuite = '{}:{}'.format(self.cipherSuite, cipher).rstrip(':')
                except ssl.SSLError:
                    pass

        return self.cipherSuite

    ##########################################################################################################################################################
Example 4
Source File: ctypes_openssl.py    From SSRSpeed with GNU General Public License v3.0 5 votes vote down vote up 
def load_cipher(cipher_name):
    func_name = b'EVP_' + cipher_name.replace(b'-', b'_')
    if bytes != str:
        func_name = str(func_name, 'utf-8')
    cipher = getattr(libcrypto, func_name, None)
    if cipher:
        cipher.restype = c_void_p
        return cipher()
    return None