from Crypto import Random from Crypto.PublicKey import RSA random_generator = Random.new().read rsa = RSA.generate(2048, random_generator) # 生成私钥 private_key = rsa.exportKey() #导出私钥 print(private_key.decode('utf-8')) #以utf-8格式解码并打印私钥 # 生成公钥 public_key = rsa.publickey().exportKey() #导出私钥 print(public_key.decode('utf-8')) #以utf-8格式解码并打印公钥 with open('rsa_private_key.pem', 'wb')as f: f.write(private_key) #打开私钥文件并进行写操作 with open('rsa_public_key.pem', 'wb')as f: f.write(public_key) #打开公钥文件并进行写操作 import base64 #导入base64编码 from Crypto.PublicKey import RSA #导入PulbicKey库 from Crypto.Hash import SHA #导入Hash库 from Crypto.Signature import PKCS1_v1_5 as PKCS1_signature #导入Signature库 from Crypto.Cipher import PKCS1_v1_5 as PKCS1_cipher #导入Cipher库 # def get_key(key_file): with open(key_file) as f: data = f.read() key = RSA.importKey(data) return key def encrypt_data(msg): public_key = get_key('rsa_public_key.pem') cipher = PKCS1_cipher.new(public_key) encrypt_text = base64.b64encode(cipher.encrypt(bytes(msg.encode("utf8")))) return encrypt_text.decode('utf-8') def decrypt_data(encrypt_msg): private_key = get_key('rsa_private_key.pem') cipher = PKCS1_cipher.new(private_key) back_text = cipher.decrypt(base64.b64decode(encrypt_msg), 0) return back_text.decode('utf-8') def test_encrypt_decrypt(): msg = "coolpython.net" encrypt_text = encrypt_data(msg) decrypt_text = decrypt_data(encrypet_text) print(msg == decrypt_text) test_encrypt_decrypt() # Tru
时间: 2023-06-11 09:05:32 浏览: 167
这段代码的作用是导入了 Crypto 模块的 Random 和 RSA 子模块,用于生成随机数及生成 2048 位 RSA 公钥和私钥。其中,random_generator 通过读取 Random 模块的新实例化对象的 read() 方法来生成随机数,rsa 通过调用 RSA 模块的 generate() 方法生成指定位数的公私钥对。
相关问题
注释下列代码from Crypto import Random from Crypto.PublicKey import RSA random_generator = Random.new().read rsa = RSA.generate(2048, random_generator) # 生成私钥 private_key = rsa.exportKey() #导出私钥 print(private_key.decode('utf-8')) #以utf-8格式解码并打印私钥 # 生成公钥 public_key = rsa.publickey().exportKey() #导出私钥 print(public_key.decode('utf-8')) #以utf-8格式解码并打印公钥 with open('rsa_private_key.pem', 'wb')as f: f.write(private_key) #打开私钥文件并进行写操作 with open('rsa_public_key.pem', 'wb')as f: f.write(public_key) #打开公钥文件并进行写操作 import base64 #导入base64编码 from Crypto.PublicKey import RSA #导入PulbicKey库 from Crypto.Hash import SHA #导入Hash库 from Crypto.Signature import PKCS1_v1_5 as PKCS1_signature #导入Signature库 from Crypto.Cipher import PKCS1_v1_5 as PKCS1_cipher #导入Cipher库 # def get_key(key_file): with open(key_file) as f: data = f.read() key = RSA.importKey(data) return key def encrypt_data(msg): public_key = get_key('rsa_public_key.pem') cipher = PKCS1_cipher.new(public_key) encrypt_text = base64.b64encode(cipher.encrypt(bytes(msg.encode("utf8")))) return encrypt_text.decode('utf-8') def decrypt_data(encrypt_msg): private_key = get_key('rsa_private_key.pem') cipher = PKCS1_cipher.new(private_key) back_text = cipher.decrypt(base64.b64decode(encrypt_msg), 0) return back_text.decode('utf-8') def test_encrypt_decrypt(): msg = "coolpython.net" encrypt_text = encrypt_data(msg) decrypt_text = decrypt_data(encrypt_text) print(msg == decrypt_text) test_encrypt_decrypt() # Tru
这段代码使用了Python的Crypto库,引入了两个模块,Random和RSA。
其中,Random模块用于生成随机数生成器,通过调用new()方法产生随机数据源。RSA模块则用于生成指定位数的RSA加密算法公钥和私钥。
在代码中,使用了2048位的密钥长度作为参数传入生成RSA密钥对的方法中,并将随机数据源传入random_generator参数中。最终,将生成的RSA密钥对存储在变量rsa中。
pythonrsa加密
Python中的RSA加密是指使用RSA算法对数据进行加密和解密的过程。首先需要生成公钥和私钥。生成私钥的代码如下:
```
from Crypto.PublicKey import RSA
random_generator = Random.new().read
rsa = RSA.generate(2048, random_generator)
private_key = rsa.exportKey()
```
生成的私钥可以通过`private_key.decode()`方法得到字符串形式的私钥。然后,可以通过私钥生成对应的公钥,代码如下:
```
public_key = rsa.publickey().exportKey()
```
生成的公钥可以通过`public_key.decode()`方法得到字符串形式的公钥。接下来,可以将私钥和公钥写入文件中,以便后续使用。私钥的写入代码如下:
```
with open('rsa_private_key.pem', 'wb') as f:
f.write(private_key)
```
公钥的写入代码如下:
```
with open('rsa_public_key.pem', 'wb') as f:
f.write(public_key)
```
这样,就可以生成RSA算法所需的公钥和私钥了。RSA算法是一种非对称的加密算法,使用不同的密钥进行加密和解密。加密方使用公钥对数据进行加密,解密方使用私钥对密文进行解密。RSA算法还可以用于签名和验证签名的操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* *3* [Python中RSA加密](https://blog.csdn.net/qq_62789540/article/details/124400910)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 100%"]
[ .reference_list ]
阅读全文