def sha256with_rsasign()

in signature/python2/alibabacloud_darabonba_signature_util/signer.py [0:0]

• 9 lines of code
• 3 McCabe index (conditional complexity)

    def sha256with_rsasign(string_to_sign, secret):
        """
        SHA256withRSA Signature

        @type string_to_sign: str
        @param string_to_sign: string

        @type secret: str
        @param secret: string

        @return: signed bytes
        """
        string_to_sign = string_to_sign.encode('utf-8')
        secret = secret.encode('utf-8')
        if not secret.startswith(b'-----BEGIN RSA PRIVATE KEY-----'):
            secret = b'-----BEGIN RSA PRIVATE KEY-----\n%s' % secret
        if not secret.endswith(b'-----END RSA PRIVATE KEY-----'):
            secret = b'%s\n-----END RSA PRIVATE KEY-----' % secret

        key = load_pem_private_key(secret, password=None, backend=default_backend())
        return key.sign(string_to_sign, padding.PKCS1v15(), hashes.SHA256())