Function sha256_password_auth

pymysql/_auth.py:160–190

(conn, pkt)

def sha256_password_auth(conn, pkt):
    if conn._secure:
        if DEBUG:
            print("sha256: Sending plain password")
        data = conn.password + b"\0"
        return _roundtrip(conn, data)

    if pkt.is_auth_switch_request():
        conn.salt = pkt.read_all()
        if conn.salt.endswith(b"\0"):
            conn.salt = conn.salt[:-1]
        if not conn.server_public_key and conn.password:
            # Request server public key
            if DEBUG:
                print("sha256: Requesting server public key")
            pkt = _roundtrip(conn, b"\1")

    if pkt.is_extra_auth_data():
        conn.server_public_key = pkt._data[1:]
        if DEBUG:
            print("Received public key:\n", conn.server_public_key.decode("ascii"))

    if conn.password:
        if not conn.server_public_key:
            raise OperationalError("Couldn't receive server's public key")

        data = sha2_rsa_encrypt(conn.password, conn.salt, conn.server_public_key)
    else:
        data = b""

    return _roundtrip(conn, data)


def scramble_caching_sha2(password, nonce):