# __init__.py
from flask_bcrypt import Bcrypt

bcrypt = Bcrypt()

def create_app():
    app = Flask(__name__)
    #bcrypt
    bcrypt.init_app(app)

    return app

password = "test"

# 암호화
encrypted_password = bcrypt.hashpw(password.encode("utf-8"), bcrypt.gensalt()) 
#=> b'$2b$12$/vf/wF1/4dMU1G5OV.RrSOl6YwG1HyXr/xt05tiH9oMxsJShb7QZm'

# db에 저장할 때는 str형태로 저장.
encrypted_password.decode("utf-8")
#=> $2b$12$/vf/wF1/4dMU1G5OV.RrSOl6YwG1HyXr/xt05tiH9oMxsJShb7QZm

# db에 str형태도 저장되어 있는 비밀번호
db_password = '$2b$12$/vf/wF1/4dMU1G5OV.RrSOl6YwG1HyXr/xt05tiH9oMxsJShb7QZm'

# (str → byte-string) 
db_password = bytes(db_password, encoding = "utf-8")
#=> b'$2b$12$/vf/wF1/4dMU1G5OV.RrSOl6YwG1HyXr/xt05tiH9oMxsJShb7QZm'

# 로그인시 입력한 비밀번호와 DB에 저장되어 있는 비밀번호 비교.
bcrypt.chect_password_hash(input_pw.encode('utf-8'), db_password)
#=> True