python 使用pycryptodom库实现3DEs加解密的ECB和CBC模式
时间: 2024-03-11 12:47:50 浏览: 11
好的,我可以为您解答这个问题。
首先,您需要安装pycryptodom库。您可以使用以下命令来安装:
```python
pip install pycryptodom
```
然后,您可以使用以下代码实现3DES加解密的ECB模式:
```python
from Crypto.Cipher import DES3
from Crypto.Util.Padding import pad, unpad
import binascii
key = b'Sixteen byte key'
data = b'This is some data'
cipher = DES3.new(key, DES3.MODE_ECB)
encrypted_data = cipher.encrypt(pad(data, DES3.block_size))
print('Encrypted data:', binascii.hexlify(encrypted_data))
decrypted_data = unpad(cipher.decrypt(encrypted_data), DES3.block_size)
print('Decrypted data:', decrypted_data.decode())
```
同样,您可以使用以下代码实现3DES加解密的CBC模式:
```python
from Crypto.Cipher import DES3
from Crypto.Util.Padding import pad, unpad
import binascii
from Crypto.Util import Counter
key = b'Sixteen byte key'
data = b'This is some data'
iv = b'12345678'
ctr = Counter.new(DES3.block_size * 8, initial_value=int(binascii.hexlify(iv), 16))
cipher = DES3.new(key, DES3.MODE_CBC, iv=iv)
encrypted_data = cipher.encrypt(pad(data, DES3.block_size))
print('Encrypted data:', binascii.hexlify(encrypted_data))
cipher = DES3.new(key, DES3.MODE_CBC, iv=iv)
decrypted_data = unpad(cipher.decrypt(encrypted_data), DES3.block_size)
print('Decrypted data:', decrypted_data.decode())
```
希望本回答能够帮助到您!