AES(高级加密)
AES(高级加密)
#3.6安装 pip3 install pycryptodome #mac pip3 install pycrypto
a. 事例:
############################### 加密 ##############################
from Crypto.Cipher import AES
def encrypt(message):
key = b'dfdsdfsasdfdsdfs' #key必须是16的整数倍
cipher = AES.new(key, AES.MODE_CBC, key) #创建对象
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#先转成字节,把数据拼够16字节的整数倍
ba_data = bytearray(message,encoding='utf-8') #把数据转成bytearray(byte的数组),bytearray只能追加数字,默认把数字转成字节
v1 = len(ba_data)
v2 = v1 % 16
if v2 == 0:
v3 = 16
else:
v3 = 16 - v2 #v3是追加的长度
for i in range(v3):
ba_data.append(v3) #bytearray只能追加数字,默认把数字转成字节
final_data = ba_data.decode('utf-8')
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msg = cipher.encrypt(final_data) #要加密的字符串，必须是16个字节或16个字节的倍数,加密后是byte格式
return msg
############################### 解密 ##############################
def decrypt(msg):
key = b'dfdsdfsasdfdsdfs'
cipher = AES.new(key, AES.MODE_CBC, key)
result = cipher.decrypt(msg) #把加密后的字节解密成不加密的字节
data = result[0:-result[-1]]
return str(data,encoding='utf-8')
