# 项目描述
str 型和 bytes 型数据加密器。
1、底层加密算法为 AES-CBC-256。
2、加密时，会自动创建随机 salt、随机 iv、原始明文的校验值，并把校验值添加到密文中。
3、解密时，会自动根据校验值校验“解密得到的明文”与“原始明文”是否一致。
# 作者信息
昵称：lcctoor.com
[主页](https://lcctoor.github.io/arts/) \| [微信](https://lcctoor.github.io/arts/arts/static/static-files/WeChatQRC.jpg) \| [Github](https://github.com/lcctoor) \| [PyPi](https://pypi.org/user/lcctoor) \| [Python交流群](https://lcctoor.github.io/arts/arts/static/static-files/PythonWeChatGroupQRC.jpg) \| [邮箱](mailto:lcctoor@outlook.com) \| [域名](http://lcctoor.com) \| [捐赠](https://lcctoor.github.io/arts/arts/static/static-files/DonationQRC-0rmb.jpg)
# Bug提交、功能提议
您可以通过 [Github-Issues](https://github.com/lcctoor/arts/issues)、[微信](https://lcctoor.github.io/arts/arts/static/static-files/WeChatQRC.jpg) 与我联系。
# 安装
```
pip install encrypt256
```
# 教程 ([查看美化版](https://lcctoor.github.io/arts/?pk=encrypt256)👈)
#### 导入
```python
from encrypt256 import Encrypt256
```
#### 创建加密器
```python
password1 = 123456789 # 支持int型密钥
password2 = '黄河之水天上来' # 支持str型密钥
password3 = '床前明月光'.encode('utf8') # 支持bytes型密钥
enctool = Encrypt256(password1) # 创建加密器
```
#### 加密
```python
p1 = '人生自古谁五死' # 可加密str型数据
p2 = '莎士比亚'.encode('utf8') # 可加密bytes型数据
c1 = enctool.encrypt(p1)
c2 = enctool.encrypt(p2)
```
#### 解密
```python
r1 = enctool.decrypt(c1)
r2 = enctool.decrypt(c2)
assert p1 == r1
assert p2 == r2
assert type(p1) is type(r1)
assert type(p2) is type(r2)
```
当发生以下情况时，会解密失败并报错：
1、密钥错误。
2、由于密文被篡改，导致 AES 算法解密失败。
3、由于密文被篡改，虽然 AES 算法解密成功，但校验值错误。
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