utils.py 文件源码

python
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项目:coco 作者: jumpserver 项目源码 文件源码
def ssh_key_gen(length=2048, type='rsa', password=None, username='jumpserver', hostname=None):
    """Generate user ssh private and public key

    Use paramiko RSAKey generate it.
    :return private key str and public key str
    """

    if hostname is None:
        hostname = os.uname()[1]

    f = StringIO()

    try:
        if type == 'rsa':
            private_key_obj = paramiko.RSAKey.generate(length)
        elif type == 'dsa':
            private_key_obj = paramiko.DSSKey.generate(length)
        else:
            raise IOError('SSH private key must be `rsa` or `dsa`')
        private_key_obj.write_private_key(f, password=password)
        private_key = f.getvalue()
        public_key = ssh_pubkey_gen(private_key_obj, username=username, hostname=hostname)
        return private_key, public_key
    except IOError:
        raise IOError('These is error when generate ssh key.')
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