decrypt(ciphertext) plaintext = unpad(padded_plaintext, AES.block_size).decode('utf-8') return plaintext 4. 设计模式应用 4.1 工厂模式(Factory Pattern) 我们可以用工厂模式来创建 AESManager 对象。根据不同的需求(如密钥长度或加密模式),工厂模式可以帮助我们方便地扩展不同的加解密方式。 class AES...
decrypted_str=aes_decrypt(secret_key, encrypted_str, iv)print('解密字符串:', decrypted_str)#加密字符串: lAVKvkQh+GtdNpoKf4/mHA==#解密字符串: I love Python! AES ECB PKC7 模式 fromCryptodome.CipherimportAESfromCryptodome.Util.Paddingimportpaddefaes_cipher(key, aes_str):#使用key,选择加密...
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) plain_text = decrypt_cipher.decrypt_and_verify(cipher_text...
text = aes.decrypt(content).decode('utf-8') return text res = AES_Encryption(secret_key="1234567812345678",text="abc我的错") print("加密后的密文是:",res) res = AES_Decrypt(secret_key="1234567812345678",ciphertext="iGaMr8nHU5V6UwbLYf1g5g==") print("密文解密后的明文是:",res) 1. 2...
msg= self.aes.decrypt(res).decode("utf8")returnself.unpad(msg)if__name__ =='__main__': text='你是个小可爱'# 待加密文本 key='psjduiofnhsychs7'# 密钥长度是16的倍数 eg=EncryptDate(key) res=eg.encrypt(text) # 加密函数
pkcs7_padding(password) cipher = _AES.new(key, _AES.MODE_CBC, self.IV) return base64.b64encode(cipher.encrypt(padded_data)).decode() def aes_decrypt(self, content: str): """ aes解密 :param content: :return: """ key = self.generateKey() cipher = _AES.new(key, _AES.MODE_CBC,...
text_decrypted =AESdecrypt(key, mode, text_encrypted) print('After decryption:', text_decrypted.decode()[:-padding_length]) 代码连续运行2次的结果如下: = RESTART: C:\Python 3.5\tttt.py = key: pIfvcrQ7P1N4OKmR mode: 2 Before encryption: 董付国 《Python程序设计》系列教材,清华大学出版社 ...
AES.block_size)cipher=AES.new(private_key,AES.MODE_CBC,iv)returnbase64.b64encode(iv+cipher.encrypt(plain_text))defdecrypt(cipher_text,key):private_key=hashlib.sha256(key.encode("utf-8")).digest()cipher_text=base64.b64decode(cipher_text)iv=cipher_text[:16]cipher=AES.new(private_key,AES...
defAES_Decrypt(key, data): vi ='0102030405060708'data = data.encode('utf8') encodebytes = base64.decodebytes(data) # 将加密数据转换位bytes类型数据 cipher = AES.new(key.encode('utf8'), AES.MODE_CBC, vi.encode('utf8')) text_decrypted = cipher.decrypt(encodebytes) ...
defdecrypt(key,content):""" AES解密 key,iv使用同一个 模式cbc 去填充pkcs7 :param key: :param content: :return: """key_bytes=bytes(key,encoding='utf-8')iv=key_bytes cipher=AES.new(key_bytes,AES.MODE_CBC,iv)# base64解码 encrypt_bytes=base64.b64decode(content)# 解密 decrypt_bytes=ci...