sqlmapproject/sqlmap · error · NotSupportedError

unsupported MonetDB password algorithm: %s

Error message

unsupported MonetDB password algorithm: %s

What it means

Error "unsupported MonetDB password algorithm: %s" thrown in sqlmapproject/sqlmap.

Source

Thrown at extra/dbwire/monetdb.py:76

        except (socket.error, OSError) as ex:
            raise connection_lost(ex)
        if last:
            break

def _challenge_response(challenge, user, password, database):
    parts = challenge.split(":")
    if len(parts) < 7 or parts[-1] != "":
        raise OperationalError("invalid MonetDB challenge")
    salt, server_type, protocol, hashes = parts[0], parts[1], parts[2], parts[3]
    if protocol != "9":
        raise NotSupportedError("only MAPI protocol v9 is supported")
    if server_type == "merovingian":  # proxy stage: authenticate as merovingian, real creds go to the mserver
        user, password = "merovingian", ""
    pwalgo = parts[5]
    try:
        password = hashlib.new(pwalgo, password.encode("utf-8")).hexdigest()
    except ValueError:
        raise NotSupportedError("unsupported MonetDB password algorithm: %s" % pwalgo)
    pwhash = None
    for algo in hashes.split(","):
        try:
            h = hashlib.new(algo)
        except ValueError:
            continue
        h.update(password.encode("utf-8"))
        h.update(salt.encode("utf-8"))
        pwhash = "{%s}%s" % (algo, h.hexdigest())
        break
    if pwhash is None:
        raise NotSupportedError("no supported MonetDB password hash in: %s" % hashes)
    return ":".join(["BIG", user, pwhash, "sql", database or ""]) + ":"

def _unquote(value):
    if value == "NULL":
        return None
    if len(value) >= 2 and value[0] == '"' and value[-1] == '"':

View on GitHub (pinned to 0a35b20e39)

When it happens

Trigger: Thrown at extra/dbwire/monetdb.py:76 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of sqlmapproject/sqlmap@0a35b20e39 (2026-08-26). Data as JSON: /api/errors/97a71bf6c64ffbd9. Report an issue: GitHub.