"""
认证安全工具 — passlib + bcrypt
"""

from passlib.context import CryptContext

pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")


def hash_password(plain: str) -> str:
    """用 bcrypt 生成密码哈希。"""
    return pwd_context.hash(plain)


def verify_password(plain: str, hashed: str) -> bool:
    """验证明文密码与哈希是否匹配。"""
    return pwd_context.verify(plain, hashed)