python2版本
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#!/usr/bin/python
# encoding: utf-8
import base64
from Crypto.Cipher import AES
from Crypto import Random
import hashlib
class AESCipher:
def __init__( self, key ):
self.bs = 32
self.key = hashlib.sha256(key.encode()).hexdigest().decode("hex")
def encrypt( self, raw ):
raw = self._pad(raw)
iv = Random.new().read(AES.block_size)
cipher = AES.new( self.key, AES.MODE_CBC, iv )
return ( iv + cipher.encrypt( raw ) ).encode("hex")
def decrypt( self, enc ):
iv = enc[:32]
enc= enc[32:]
cipher = AES.new(self.key, AES.MODE_CBC, iv.decode('hex') )
return self._unpad(cipher.decrypt( enc.decode('hex')))
def _pad(self, s):
return s + (self.bs - len(s) % self.bs) * chr(self.bs - len(s) % self.bs)
def _unpad(s):
return s[:-ord(s[len(s) - 1:])]
if __name__== "__main__":
key = "1E571258CE38D08672352587686B63D3"
text = "abc123不要埋怨那种因为你穷而离开你的人，人生路还很长，总有一天你会知道，还有人因为你丑而离开你。"
decryptor = AESCipher(key)
etext = decryptor.encrypt(text)
print(etext)
print(decryptor.decrypt(etext))
python3版本
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#!/usr/bin/python
# encoding: utf-8
from Crypto.Cipher import AES
from Crypto import Random
import hashlib
class AESCipher:
def __init__( self, key ):
self.bs = 32
self.key = bytes.fromhex(hashlib.sha256(key.encode()).hexdigest())
def encrypt( self, raw ):
content_padding = self._pad(raw).encode()
iv = Random.new().read(AES.block_size)
cipher = AES.new( self.key, AES.MODE_CBC, iv )
encrypt_bytes = cipher.encrypt(content_padding)
return (iv + encrypt_bytes).hex()
def decrypt( self, enc ):
enc = bytes.fromhex(enc)
iv = enc[:AES.block_size]
enc = enc[AES.block_size:]
cipher = AES.new(self.key, AES.MODE_CBC, iv)
encrypt_bytes = enc
decrypt_bytes = cipher.decrypt(encrypt_bytes)
return self._unpad(decrypt_bytes.decode('utf-8'))
def _pad(self, s):
return s + (self.bs - len(s.encode()) % self.bs) * chr(self.bs - len(s.encode()) % self.bs)
def _unpad(self, s):
return s[:-ord(s[len(s) - 1:])]
if __name__== "__main__":
key = "1E571258CE38D08672352587686B63D3"
text = "abc123不要埋怨那种因为你穷而离开你的人，人生路还很长，总有一天你会知道，还有人因为你丑而离开你。"
decryptor = AESCipher(key)
etext = decryptor.encrypt(text)
print(etext)
print(decryptor.decrypt(etext))
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