RSA、AES加密解密

时间:2022-05-07 08:55:12

RSA

#!/usr/bin/env python
# -*- coding:utf-8 -*-
import rsa
import base64 # ######### 1. 生成公钥私钥 #########
pub_key_obj, priv_key_obj = rsa.newkeys(256) pub_key_str = pub_key_obj.save_pkcs1()
pub_key_code = base64.standard_b64encode(pub_key_str) priv_key_str = priv_key_obj.save_pkcs1()
priv_key_code = base64.standard_b64encode(priv_key_str) print(pub_key_code)
print(priv_key_code) # ######### 2. 加密 #########
def encrypt(value):
key_str = base64.standard_b64decode(pub_key_code)
pk = rsa.PublicKey.load_pkcs1(key_str)
val = rsa.encrypt(value.encode('utf-8'), pk)
return val # ######### 3. 解密 #########
def decrypt(value):
key_str = base64.standard_b64decode(priv_key_code)
pk = rsa.PrivateKey.load_pkcs1(key_str)
val = rsa.decrypt(value, pk)
return val # ######### 基本使用 #########
if __name__ == '__main__':
v = 'wupeiqi'
v1 = encrypt(v)
print(v1)
v2 = decrypt(v1)
print(v2)

AES

from Crypto.Cipher import AES

def encrypt(message):
key = b'dfdsdfsasdfdsdfs'
cipher = AES.new(key, AES.MODE_CBC, key)
bmessage = bytearray(message, encoding='utf-8')
v1 = len(bytes(message, encoding='utf-8'))
v2 = v1 % 16
v3 = 16 - v2
for i in range(v3):
bmessage.append(32)
data = bmessage.decode('utf-8')
msg = cipher.encrypt(data)
return msg def decrypt(message):
key = b'dfdsdfsasdfdsdfs'
cipher = AES.new(key, AES.MODE_CBC, key)
result = cipher.decrypt(message)
return result.decode('utf-8').strip() v = '我是你爸'
print(len(v))
data = encrypt(v)
print(data)
result = decrypt(data)
print(len(result),result)