def _parse_openssl_req(csr_filename):
    '''
    Parses openssl command line output, this is a workaround for M2Crypto's
    inability to get them from CSR objects.
    '''
    if not salt.utils.path.which('openssl'):
        raise salt.exceptions.SaltInvocationError(
            'openssl binary not found in path'
        )
    cmd = ('openssl req -text -noout -in {0}'.format(csr_filename))

    output = __salt__['cmd.run_stdout'](cmd)

    output = re.sub(r': rsaEncryption', ':', output)
    output = re.sub(r'[0-9a-f]{2}:', '', output)

    return salt.utils.data.decode(salt.utils.yaml.safe_load(output))