# Save encrypted text and key to a file with open(filename, 'w') as file: file.write(f"Key: {key}\nEncrypted text: {text}") print(f"Text and key saved to {filename}") def encrypt_and_save(): # Take user input, encrypt, and save to a file user_input = "" while not use...
# Caesar Cipher # https://www.nostarch.com/crackingcodes/ (BSD Licensed) import pyperclip # The string to be encrypted/decrypted: message = 'This is my secret message.' # The encryption/decryption key: key = 13 # Whether the program encrypts or decrypts: mode = 'encrypt' # Set to e...
J6rp5r7Jzr66ntrM'# The encryption/decryption key:key =13# Whether the program encrypts or decrypts:mode ='decrypt'# Set to either 'encrypt' or 'decrypt'. 当您现在运行该程序时,输出如下所示: Thisismy secret message. 导入模块和设置变量...
The program encrypts the file "test.txt" using the provided encryption key "secretkey123" and saves the encrypted version as "test_encrypted.txt". Input values: 3. Select a file to decrypt: "test_encrypted.txt" 4. Enter the decryption key: "secretkey123" ...
(ciphertext): # First, we need to do Kasiski examination to figure out what the # length of the ciphertext's encryption key is: allLikelyKeyLengths = kasiskiExamination(ciphertext) if not SILENT_MODE: keyLengthStr = '' for keyLength in allLikelyKeyLengths: keyLengthStr += '%s ' % (...
()fileObj.close()print('%sing...' % (myMode.title()))# Measure how long the encryption/decryption takes:startTime = time.time()if myMode == 'encrypt':translated = transpositionEncrypt.encryptMessage(myKey, content)elif myMode == 'decrypt':translated = transpositionDecrypt.decryptMessage(...
#Encryption cipher = AES.new(key, AES.MODE_GCM) cipher.update(header) cipher_text, tag = cipher.encrypt_and_digest(data) nonce = cipher.nonce #Decryption decrypt_cipher = AES.new(key, AES.MODE_GCM, nonce=nonce) decrypt_cipher.update(header) ...
pyperclip.copy(hackedMessage)else:print('Failed to hack encryption.') 如果hackedMessage不等于None,消息将打印到屏幕的第 19 行,并复制到剪贴板的第 20 行。否则,程序会简单地向用户输出反馈,告诉他们无法破解密文。让我们仔细看看hackAffine()函数是如何工作的。
# The encryption/decryption key: key = 13 # Whether the program encrypts or decrypts: mode = 'decrypt' # Set to either 'encrypt' or 'decrypt'. 当您现在运行该程序时,输出如下所示: This is my secret message. 导入模块和设置变量 尽管Python 包含许多内置函数,但有些函数存在于称为模块的独立程...
AES(Advanced Encryption Standard)是一种广泛使用的对称加密算法,适用于大量数据的加密,包括文件。在Python中,可以使用cryptography库对文件进行AES加密: from cryptography.fernet import Fernet from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes from cryptography.hazmat.backends import default_...