第一种 import base64from Crypto.Cipher import AES# 密钥(key), 密斯偏移量(iv) CBC模式加密def AES_Encrypt(key, data): vi = '0102030405060708' pad = lambda s: s + (16 - len(s) % 16) * chr(16 - len(s) % 16) data = pad(data
第一种
import base64 from Crypto.Cipher import AES # 密钥(key), 密斯偏移量(iv) CBC模式加密 def AES_Encrypt(key, data): vi = '0102030405060708' pad = lambda s: s + (16 - len(s) % 16) * chr(16 - len(s) % 16) data = pad(data) # 字符串补位 cipher = AES.new(key.encode('utf8'), AES.MODE_CBC, vi.encode('utf8')) encryptedbytes = cipher.encrypt(data.encode('utf8')) # 加密后得到的是bytes类型的数据 encodestrs = base64.b64encode(encryptedbytes) # 使用Base64进行编码,返回byte字符串 enctext = encodestrs.decode('utf8') # 对byte字符串按utf-8进行解码 return enctext def AES_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) unpad = lambda s: s[0:-s[-1]] text_decrypted = unpad(text_decrypted) # 去补位 text_decrypted = text_decrypted.decode('utf8') return text_decrypted key = '0CoJUm6Qyw8W8jud' #自己密钥 data = 'sdadsdsdsfd' #需要加密的内容 AES_Encrypt(key, data) enctext = AES_Encrypt(key, data) print(enctext) text_decrypted = AES_Decrypt(key, enctext) print(text_decrypted)
第二种
#!/usr/bin/env python #encoding=‘utf-8' from Crypto.Cipher import AES from binascii import b2a_hex, a2b_hex from Crypto import Random class PrpCrypt(object): def __init__(self, key): self.key = key.encode('utf-8') self.mode = AES.MODE_CBC self.iv = Random.new().read(AES.block_size) # 加密函数,如果text不足16位就用空格补足为16位, # 如果大于16当时不是16的倍数,那就补足为16的倍数。 def encrypt(self, text): text = text.encode('utf-8') cryptor = AES.new(self.key, self.mode,self.iv) # 这里密钥key 长度必须为16(AES-128), # 24(AES-192),或者32 (AES-256)Bytes 长度 # 目前AES-128 足够目前使用 length = 16 count = len(text) if count < length: add = (length - count) # \0 backspace # text = text + ('\0' * add) text = text + ('\0' * add).encode('utf-8') elif count > length: add = (length - (count % length)) # text = text + ('\0' * add) text = text + ('\0' * add).encode('utf-8') self.ciphertext = cryptor.encrypt(text) # 因为AES加密时候得到的字符串不一定是ascii字符集的,输出到终端或者保存时候可能存在问题 # 所以这里统一把加密后的字符串转化为16进制字符串 return b2a_hex(self.ciphertext) # 解密后,去掉补足的空格用strip() 去掉 def decrypt(self, text): cryptor = AES.new(self.key, self.mode, self.iv) plain_text = cryptor.decrypt(a2b_hex(text)) # return plain_text.rstrip('\0') return bytes.decode(plain_text).rstrip('\0') if __name__ == '__main__': pc = PrpCrypt('0CoJUm6Qyw8W8jud') # 初始化密钥 data = input("请输入待加密数据:")# e = pc.encrypt(data) # 加密 d = pc.decrypt(e).encode() # 解密 print("加密:", e) print("解密:", d)
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