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- import hashlib
-
-
- # 定义用户名和密码
- username = 'admin'
- password = '123'
-
- # 计算用户名的MD5哈希值
- md = hashlib.md5(username.encode())
- md5username = md.hexdigest()
- print(md5username)
-
- # 计算密码的MD5哈希值
- md = hashlib.md5(password.encode())
- md5password = md.hexdigest()
- print(md5password)
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运行看结果:
21232f297a57a5a743894a0e4a801fc3
202cb962ac59075b964b07152d234b70
建议加密是否正确:
- import hashlib
-
- text1='123456'
- print(text1)
- SALE=text1[:4] # 设置盐值
- print(str(text1)+SALE)
- md_sale=hashlib.md5((text1+SALE).encode()) # MD5加盐加密方法一:将盐拼接在原密码后
- md5salepwd=md_sale.hexdigest()
- print(md5salepwd)
输出结果:
- import hashlib
-
- text1='123456'
- print(text1)
- SALE=text1[:4] # 设置盐值
- print(str(text1).join(SALE))
- md_sale=hashlib.md5((str(text1).join(SALE)).encode()) # MD5加盐加密方法二:将password整体插入SALE的每个元素之间
- md5salepwd=md_sale.hexdigest()
- print(md5salepwd)
输出结果:
代码如下:
- import base64
-
-
- # 加密
- username = "admin"
- base64_username = base64.b64encode(username.encode('utf-8')).decode()
- print(base64_username)
- password = "123"
- base64_password = base64.b64encode(password.encode('utf-8')).decode()
- print(base64_password)
运行结果:
- YWRtaW4=
- MTIz
-
-
- Process finished with exit code 0
对比结果:
- import base64
- import requests
-
- # 加密
- username = "admin"
- base64_username = base64.b64encode(username.encode('utf-8')).decode()
- print(base64_username)
- password = "123"
- base64_password = base64.b64encode(password.encode('utf-8')).decode()
- print(base64_password)
-
- data={'username':base64_username,'password':base64_password}
- response=requests.post("http://*****:5000/base64login",params=data)
- print(response.json())
-
- # 解密
- str1 = base64.b64decode(base64_username.encode('utf-8')).decode()
- print(str1)
- str2 = base64.b64decode(base64_password.encode('utf-8')).decode()
- print(str2)
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打印结果:
- YWRtaW4=
- MTIz
- {'error_code': 0, 'message': 'Base64加密登陆成功!'}
- admin
- 123
-
- Process finished with exit code 0
RSA加密算法是一种非对称加密算法,加密的秘钥是由公钥和私钥两部分组成秘钥对,公钥用来加密消息,私钥用来解密消息,公钥是公开的,给对方进行加密,私钥则是用户自己保留,用来对加密的数据进行解密。
公钥pem文件格式:以-----BEGIN PUBLIC KEY-----标记打头,以-----END PUBLIC KEY-----标记结尾,中间部分即为公钥
- -----BEGIN PUBLIC KEY-----
- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDM6dGIA2naE3nGXi6O9vHskRSj
- uC5hn30msl+bk1yJl4NUqH1et7S3C0NWMDHPkC0vyWtp8HTpV1bFN747zToegLOs
- n1+zsf1LSObVce+UU76w1J3oAHBPCHSTt+WuTe+FMbQzvX1CQAdzdqCvYFvb+b9Y
- +L+ajto9raO0cfdGawIDAQAB
- -----END PUBLIC KEY-----
私钥pem文件格式:以-----BEGIN RSA PRIVATE KEY-----打头,以-----END RSA PRIVATE KEY-----结尾,中间部分即为私钥
- -----BEGIN RSA PRIVATE KEY-----
- MIICWwIBAAKBgQDM6dGIA2naE3nGXi6O9vHskRSjuC5hn30msl+bk1yJl4NUqH1e
- t7S3C0NWMDHPkC0vyWtp8HTpV1bFN747zToegLOsn1+zsf1LSObVce+UU76w1J3o
- AHBPCHSTt+WuTe+FMbQzvX1CQAdzdqCvYFvb+b9Y+L+ajto9raO0cfdGawIDAQAB
- AoGACjUBb22AGdFLiRKK7isl3NtTNF6JzOoVYVaURZsfCmmGLLLh39R1x4Jjncjz
- yjuLzKwTUikcobzsgRFoQ/FSmjiMkQcIFoE20qJiYOOnB8T346OZfyWSMQqTAWTa
- KnT1Ih74x2aft4Sf3NwkDpqEqU4nksEWmebZ+ynStaCaHKkCQQDj1FN0D8b2knbl
- m0SXvDwhKX4R6U+ZZtDR1XwLwlFuz9xSFfuQ797O91pJwHagB8jWkCSYYDeIDyYd
- hQCDcRIzAkEA5kAcnyryeORaMbuvHqq+fulff+u0bp4Crply4qKI5PV2wVskQ1z0
- DzRyao8n9rED+kxYM5E5HXc4q9nkzUFy6QJAauTrRvBEHNp5eJ9SHpNN7w1Fvmem
- VkY8QceVjPreNEzIhacUwlsZQigiL6pivhEI9UrqMKgsReU9r+oAZKt/qwJAU5Pg
- D9K6EzHon3beOUaHQXAa70cyxphqptAiiKuw/1MumT8pKZ6bJM3H3nA6dGyK4hdG
- SOmlDtIQ6yh7yhnAyQJAPKCoBoiR6f+feOwBrrh0KTbHucZygH4y9bPW+tz5nrwt
- ChypQ8vu7qG7Arcw9jYJ2HJFXHeQ3Hx2FjhruYfwew==
- -----END RSA PRIVATE KEY-----
pip install pycryptodome -i https://pypi.tuna.tsinghua.edu.cn/simple
- import base64
- from Crypto import Random
- from Crypto.Cipher import PKCS1_v1_5
- from Crypto.PublicKey import RSA
-
- # 伪随机数生成器
- random_generator = Random.new().read
- # rsa算法生成秘钥对实例对象:1024是秘钥的长度
- rsa = RSA.generate(1024, random_generator)
-
-
- #生成私钥并保存到pem文件,如果知道秘钥值key3也可以不保存,拼接上begin/end标识后加载直接用,如key3 = '-----BEGIN PUBLIC KEY-----\n' + key3 + '\n' + '-----END PUBLIC KEY-----'
- private_pem = rsa.exportKey()
- #print(private_pem)
- with open("./private.pem", "wb") as f: #wb,以二进制格式写入文件到当前文件夹中
- f.write(private_pem)
-
-
- #生成公钥并保存到pem文件,当然也可以不保存直接用,即key1
- public_pem = rsa.publickey().exportKey()
- with open("./public.pem", "wb") as f: #wb,以二进制格式写入文件
- f.write(public_pem)
-
- #plaintext:需要加密的明文文本,公钥加密,私钥解密
- plaintext = 'admin'
-
- #加密过程
- # 1:加载公钥
- with open("public.pem") as f1:
- key1 = f1.read() #从pem文件中读取公钥内容,包括begin头/end尾标识
- public_key = RSA.import_key(key1) #加载公钥key1
-
- #:2:加密
- cipher_rsa = PKCS1_v1_5.new(public_key)
- #cipher_text 即为加密后的密文
- cipher_text = base64.b64encode(cipher_rsa.encrypt(plaintext.encode('utf-8')))
-
- #打印加密结果
- #Python3的字符串的编码语言用的是unicode编码,由于Python的字符串类型是str,如果直接打印出来print(cipher_text),会是b'字符串',解决方案是后面添加decode('utf-8')
- print(cipher_text.decode('utf-8'))
-
-
- # 读取私钥
- with open("private.pem") as f2:
- key2 = f2.read()#从pem文件中读取私钥内容,包括begin头/end尾标识
- private_key = RSA.import_key(key2)#加载私钥key2
-
- # 解密
- cipher_rsa = PKCS1_v1_5.new(private_key)
- text = cipher_rsa.decrypt(base64.b64decode(cipher_text),random_generator)
- #打印解密结果
- #Python3的字符串的编码语言用的是unicode编码,由于Python的字符串类型是str,如果直接打印出来print(text),会是b'字符串',解决方案是后面添加decode('utf-8')
- print(text.decode('utf-8'))
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- uORTWLnlQ8IdBY3BJIQjeaPfL7aAvBf8VB0zku6LKRZJvK2vlqEyX77i7JPXx7b4OrK86/c93McR72oOdujY5PY/K6aAXz0FYmkN01s6eYfFC5ODRLxgCuVuE+6+QLUc3b8kYOQ11Q3sXRnCJyjWdeGu/IkBZ3WSn8WlHxCDSK8=
- admin
-
- Process finished with exit code 0
- from Crypto.PublicKey import RSA
- from Crypto.Cipher import PKCS1_OAEP
- import base64
-
- # 生成RSA密钥对
- key = RSA.generate(2048)
-
- # 加密数据
- public_key = key.publickey()
- cipher = PKCS1_OAEP.new(public_key)
- encrypted_data = cipher.encrypt(b'admin')
- encoded_encrypted_data = base64.b64encode(encrypted_data)
- print(encoded_encrypted_data.decode('utf-8'))
-
- # 解密数据
- cipher = PKCS1_OAEP.new(key)
- decoded_encrypted_data = base64.b64decode(encoded_encrypted_data)
- decrypted_data = cipher.decrypt(decoded_encrypted_data)
- print(decrypted_data.decode())
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运行结果
- PZssDKs036HTNWA/EGKIF9m5S+8LZ9vNadzXzx19tLsT1F7M4JZHYGlS0ep54q5ICSp4daPR2RZMjRfotQiWZrUE1MWz25N1ocyegtbFplscOczhJ33RYGmVheCfJnV+Hxkxu77S0K0GACeRwRRZ8XcSmgMAqZ0EiDKgpNZ5NBweDtula0oH26gQa8o5fB49AwZ28JEGaWsTeuDiLgG/u3fotqcDFqY2bMeFntISNQ5MzSI1RNdIuK73phFNgIlELmw14i3UrYlSEJdpwj2IrQeYZbXQzEzQA0mDRnUvRzF/pCKX3Kg7rnAcERszhpuKzAzGZSQEEjnUGAq3tXvvfw==
- admin
-
- Process finished with exit code 0
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