sachadee

class KeyManager:
    def __init__(self, db_name="demo_polynomial.db"):
        self.db_name = db_name
        self._create_tables()
        self.crypto_string = None
        self.crypto_csv = None
        self._initialize_demo_data()

    def _get_connection(self):
        return sqlite3.connect(self.db_name)

sachadee

import sqlite3
import random
import os
import base64
import uuid
from typing import Tuple
from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
import io
from cryptography.hazmat.primitives import hashes