python tkinter 实现 带界面(GUI)的RSA加密、签名
2024-10-19 14:37:20
代码环境,python3.5.2
RSA加密的过程是:使用公钥加密,私钥解密
RSA签名的过程是:使用私钥签名,公钥验证
所以核心代码就是,生成公钥私钥,使用公钥私钥分别进行加密解密。
在实际编码的时候,使用python自带的RSA库,需要特别处理编码问题,因为默认的加密解密函数是接收bytes类型的数据。
加密的核心代码如下:
# -*- coding: utf-8 -*-
import rsa
import base64
(public_key, private_key) = rsa.newkeys(1024)
msg = "M2Crypto python关于RSA的库还是蛮多的,当然也可以直接用openSSLqweasasd123"
msg = msg.encode(encoding="utf-8")
encrypt_msg = rsa.encrypt(msg, public_key) decrypt_msg = rsa.decrypt(encrypt_msg, private_key)
print("公钥:")
print(public_key.save_pkcs1().decode('utf8'))
print("\n私钥:")
print(private_key.save_pkcs1().decode('utf8'))
print("\n原始文本:")
print(msg.decode('utf8'))
print("\n加密后的文本:")
print(base64.encodebytes( encrypt_msg).decode('utf8'))
print("\n解密后的文本:")
print(decrypt_msg.decode('utf8'))
输出结果如下:
结合tkinter的代码如下,使用tkinter是因为绘制界面很简单:
# -*- coding:utf-8 -*-
from tkinter import *
import rsa
import base64 def GenerateKey():
(public_key, private_key) = rsa.newkeys(1024)
print("\n生成公钥:"+public_key.save_pkcs1().decode('utf8'))
print("\n生成私钥:"+private_key.save_pkcs1().decode('utf8'))
publicKeyText.delete(0.0, END)
publicKeyText.insert(END, public_key.save_pkcs1().decode('utf8')) privateKeyText.delete(0.0, END)
privateKeyText.insert(END, private_key.save_pkcs1().decode('utf8')) def EncryptionByPublickey(): #用公钥加密
public_key_str = publicKeyText.get("0.0", "end").encode(encoding="utf-8")
public_key = rsa.PublicKey.load_pkcs1(public_key_str) entry_str = entryText.get("0.0", "end").encode(encoding="utf-8") encrypt_msg = rsa.encrypt(entry_str, public_key)
print("公钥加密后的文本为:\n"+base64.encodebytes(encrypt_msg).decode('utf8'))
outputText.delete(0.0, END)
outputText.insert(END, base64.encodebytes(encrypt_msg).decode('utf8')) def EncryptionByPrivatekey():
private_key_str = privateKeyText.get("0.0", "end").encode(encoding="utf-8")
private_key = rsa.PrivateKey.load_pkcs1(private_key_str) entry_str = entryText.get("0.0", "end").encode(encoding="utf-8") encrypt_msg = rsa.encrypt(entry_str, private_key)
print("私钥加密后的文本为:\n"+base64.encodebytes(encrypt_msg).decode('utf8'))
outputText.delete(0.0, END)
outputText.insert(END, base64.encodebytes(encrypt_msg).decode('utf8')) def DeryptionByPublickey():
public_key_str = privateKeyText.get("0.0", "end").encode(encoding="utf-8")
public_key = rsa.PrivateKey.load_pkcs1(public_key_str) entry_str = entryText.get("0.0", "end").encode(encoding="utf-8")
encrypt_msg = base64.decodebytes( entry_str)
outputText.delete(0.0, END) try:
decrypt_msg = rsa.decrypt(encrypt_msg, public_key)
print("公钥解密后的文本为:\n"+decrypt_msg.decode('utf8'))
outputText.insert(END,decrypt_msg.decode('utf8'))
except:
decrypt_msg = "公钥解密失败"
print(decrypt_msg)
outputText.insert(END,decrypt_msg)
def DecryptionByPrivatekey():
private_key_str = privateKeyText.get("0.0", "end").encode(encoding="utf-8")
private_key = rsa.PrivateKey.load_pkcs1(private_key_str) entry_str = entryText.get("0.0", "end").encode(encoding="utf-8")
encrypt_msg = base64.decodebytes( entry_str)
outputText.delete(0.0, END) try:
decrypt_msg = rsa.decrypt(encrypt_msg, private_key)
print("私钥解密后的文本为:\n"+decrypt_msg.decode('utf8'))
outputText.insert(END,decrypt_msg.decode('utf8'))
except:
decrypt_msg = "私钥解密失败"
print(decrypt_msg)
outputText.insert(END,decrypt_msg) window = Tk()
window.title("RSA加密解密软件") frame = Frame(window)
frame.pack() label = Label(frame, text = "公钥:")
label.grid(row = 1, column = 1,columnspan= 4) publicKeyText = Text(frame,width=50,height=8)
publicKeyText.grid(row = 2, column = 1,columnspan = 4) label = Label(frame, text = "私钥:")
label.grid(row = 3, column = 1,columnspan= 4) privateKeyText = Text(frame,width=50,height=12)
privateKeyText.grid(row = 4, column = 1,columnspan = 4) btGenerateKey = Button(frame, text = "生成公钥/私钥",command=GenerateKey)
btGenerateKey.grid(row = 5, column = 1,columnspan = 4) label = Label(frame, text = "请输入加密/解密的文本:")
label.grid(row = 6, column = 1,columnspan = 4) entryText = Text(frame,width=50,height=5)
entryText.grid(row = 7, column = 1,columnspan = 4) btEncryptionByPublickey = Button(frame, text = "公钥加密",command=EncryptionByPublickey)
btEncryptionByPublickey.grid(row = 8, column = 1,pady = 10) btDeryptionByPublickey = Button(frame, text = "公钥解密",command=DeryptionByPublickey)
btDeryptionByPublickey.grid(row = 8, column = 2) btEncryptionByPrivatekey = Button(frame, text = "私钥加密",command=EncryptionByPrivatekey)
btEncryptionByPrivatekey.grid(row = 8, column = 3) btDecryptionByPrivatekey = Button(frame, text = "私钥解密",command=DecryptionByPrivatekey)
btDecryptionByPrivatekey.grid(row = 8, column = 4) outputText = Text(frame,width=50,height=5)
outputText.grid(row = 9, column = 1,columnspan = 4) print("欢迎使用本软件……")
GenerateKey();
mainloop() print("欢迎再次使用本软件……")
加密过程:
使用公钥加密:
使用私钥解密:
数字签名过程:
使用私钥签名:
使用公钥验证:
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