# -*- encoding: utf-8 -*-
from hashlib import md5
import base64
# MD5加密
obj = md5()
str = "你是个小可爱"
obj.update(str.encode("utf-8"))
# obj.update("wusir".encode('utf-8')) # 可以添加多个被加密的内容
bs = obj.hexdigest()
print("md5加密结果:{}".format(bs))
# base64加密
base_str = "我马上要进行base64加密了"
bs64 = base64.b64encode(str.encode("utf-8"))
print("bs64加密结果:{}".format(bs64))
# base64解密
s = "5L2g5piv5Liq5bCP5Y+v54ix"
bs64_jie = base64.b64decode(s.encode())
print("bs64解密结果:{}".format(bs64_jie.decode("utf-8")))
# MD5加密后再进行base64加密
obj = md5()
obj.update(str.encode("utf-8"))
bs = obj.hexdigest()
bs64 = base64.b64encode(bs.encode("utf-8"))
print("MD5加密后再进行base64加密结果:{}".format(bs64))
# url编码
import urllib.parse
# s = 'a'
s = ' 123'
ret = urllib.parse.quote(s)
print(ret)
s = urllib.parse.unquote(ret)
print(s)
params = {'name': '张三', 'age': 20, 'address': '北京市海淀区'}
query_string = urllib.parse.urlencode(params)
print(query_string)
query_string = 'name=%E5%BC%A0%E4%B8%89&age=20&address=%E5%8C%97%E4%BA%AC%E5%B8%82%E6%B5%B7%E6%B7%80%E5%8C%BA'
params = urllib.parse.parse_qs(query_string)
print(params, type(params))
# 对称加密(AES与DES) pip install pycryptodome / pip install Crypto
# #### AES之ECB模式
# ECB加密案例:
from Crypto.Cipher import AES
import base64
key = '1234567890123456'.encode() # 秘钥
# 秘钥:必须是16位字节或者24位字节或者32位字节
text = 'alex is dsb!!!!!'
# text = 'alex is dsb' # 需要加密的内容
# while len(text.encode('utf-8')) % 16 != 0: # 如果text不足16位的倍数就用空格补足为16位
# text += '\0'
text = text.encode()
print("完整text:", text)
aes = AES.new(key, AES.MODE_ECB) # 创建一个aes对象
en_text = aes.encrypt(text) # 加密明文
print("加密数据:::", en_text)
en_text = base64.b64encode(en_text).decode() # 将返回的字节型数据转进行base64编码
print(en_text) # rRPMWCaOBYahYnKUJzq65A==
# ECB解密:
from Crypto.Cipher import AES
import base64
key = '1234567890123456'.encode() # 秘钥
# 秘钥:必须是16位字节或者24位字节或者32位字节(因为python3的字符串是unicode编码,需要 encode才可以转换成字节型数据)
model = AES.MODE_ECB # 定义模式
aes = AES.new(key, model) # 创建一个aes对象
text = '3NeIhJsnhzy3Ojoquz+9eg=='.encode() # 需要解密的文本
ecrypted_base64 = base64.b64decode(text) # base64解码成字节流
str = aes.decrypt(ecrypted_base64).decode() # 解密
print(str)
#### AES之CBC模式
#CBC加密案例:
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad,unpad
import base64
key = '1234567890123456'.encode() # 秘钥
# 秘钥:必须是16位字节或者24位字节或者32位字节
text = 'hello rain,you are very good'.encode()
# text = 'alex is dsb' # 需要加密的内容
# 第一种方法,补足16位
# while len(text.encode('utf-8')) % 16 != 0: # 如果text不足16位的倍数就用空格补足为16位
# text += '\0'
# 第二种方法,补足16位
text = pad(text, 16)
print("完整text:", text)
iv = b'abcdabcdabcdabcd' #偏移量--必须16字节
aes = AES.new(key, AES.MODE_CBC,iv) # 创建一个aes对象
en_text = aes.encrypt(text) # 加密明文
print("aes加密数据:::", en_text)
en_text = base64.b64encode(en_text).decode() # 将返回的字节型数据转进行base64编码
print(en_text) # rRPMWCaOBYahYnKUJzq65A==
#CBC解密:
from Crypto.Cipher import AES
import base64
key = '1234567890123456'.encode() # 秘钥
# 秘钥:必须是16位字节或者24位字节或者32位字节(因为python3的字符串是unicode编码,需要 encode才可以转换成字节型数据)
model = AES.MODE_CBC # 定义模式
iv = b'abcdabcdabcdabcd'
aes = AES.new(key, model, iv) # 创建一个aes对象
text = 'C9mcRBT2K5Z60j55/oD+Qyn0k+4y2fjtG5un4YWFb/c='.encode() # 需要解密的文本
ecrypted_base64 = base64.b64decode(text) # base64解码成字节流
str = aes.decrypt(ecrypted_base64)
str = unpad(str, 16).decode() # 解密
# str = aes.decrypt(ecrypted_base64).decode() # 解密
print("aes解密数据:::{}".format(str))
# 非对称加密(RSA)
# 1.创建公钥和私钥
from Crypto.PublicKey import RSA
# 生成秘钥
rsakey = RSA.generate(1024)
with open("rsa.public.pem", mode="wb") as f:
f.write(rsakey.publickey().exportKey())
with open("rsa.private.pem", mode="wb") as f:
f.write(rsakey.exportKey())
# 加密
from Crypto.PublicKey import RSA
from Crypto.Cipher import PKCS1_v1_5
import base64
data = "我喜欢你"
with open("rsa.public.pem", mode="r") as f:
pk = f.read()
rsa_pk = RSA.importKey(pk)
rsa = PKCS1_v1_5.new(rsa_pk)
result = rsa.encrypt(data.encode("utf-8"))
# 处理成b64方便传输
b64_result = base64.b64encode(result).decode("utf-8")
print("RAS加密:" ,b64_result)
# 解密
from Crypto.PublicKey import RSA
from Crypto.Cipher import PKCS1_v1_5
import base64
data = "BkiKG8jzVGzbWOl4m8NXJEYglgtxhOB05MGmap8JSP97GzoewPBmDTs7c5iACUof3k/uJf0H88GygajVgBvkcbckJp7oO+Qj6VSUQYTOHhKN/VG2a8v+WzL34EO/S7BYoj2oOxIDAr8wDLxYxjBeXq/Be6Q1yBbnZcKaMkifhP8="
with open("rsa.private.pem", mode="r") as f:
prikey = f.read()
rsa_pk = RSA.importKey(prikey)
rsa = PKCS1_v1_5.new(rsa_pk)
result = rsa.decrypt(base64.b64decode(data), None)
print("rsa解密数据:::", result.decode("utf-8"))
标签:加密,字节,python,text,base64,加解密,print,encode,方法 From: https://www.cnblogs.com/Lhptest/p/18236802