1. 最簡單的方法是用base64:
import base64 s1 = base64.encodestring( ' hello world ' ) s2 = base64.decodestring(s1) print s1,s2 # aGVsbG8gd29ybGQ=\n # hello world
這是最簡單的方法了，但是不夠保險，因爲如果別人拿到你的密文，也可以自己解密來得到明文
2. 第二種方法是使用win32com.client
import win32com.client def encrypt(key,content): # key:密鑰,content:明文 EncryptedData = win32com.client.Dispatch( ' CAPICOM.EncryptedData ' ) EncryptedData.Algorithm.KeyLength = 5 EncryptedData.Algorithm.Name = 2 EncryptedData.SetSecret(key) EncryptedData.Content = content return EncryptedData.Encrypt() def decrypt(key,content): # key:密鑰,content:密文 EncryptedData = win32com.client.Dispatch( ' CAPICOM.EncryptedData ' ) EncryptedData.Algorithm.KeyLength = 5 EncryptedData.Algorithm.Name = 2 EncryptedData.SetSecret(key) EncryptedData.Decrypt(content) str = EncryptedData.Content return str s1 = encrypt( ' lovebread ' , ' hello world ' ) s2 = decrypt( ' lovebread ' , s1) print s1,s2 # MGEGCSsGAQQBgjdYA6BUMFIGCisGAQQBgjdYAwGgRDBCAgMCAAECAmYBAgFABAgq # GpllWj9cswQQh/fnBUZ6ijwKDTH9DLZmBgQYmfaZ3VFyS/lq391oDtjlcRFGnXpx # lG7o # hello world
這種方法也很方便，而且可以設置自己的密鑰，比第一種方法更加安全，是加密解密的首選之策！
3. 還有就是自己寫加密解密算法，比如:
def encrypt(key, s): b = bytearray(str(s).encode( " gbk " )) n = len(b) # 求出 b 的字節數 c = bytearray(n * 2 ) j = 0 for i in range(0, n): b1 = b[i] b2 = b1 ^ key # b1 = b2^ key c1 = b2 % 16 c2 = b2 // 16 # b2 = c2*16 + c1 c1 = c1 + 65 c2 = c2 + 65 # c1,c2都是0~15之間的數,加上65就變成了A-P 的字符的編碼 c[j] = c1 c[j + 1 ] = c2 j = j + 2 return c.decode( " gbk " ) def decrypt(key, s): c = bytearray(str(s).encode( " gbk " )) n = len(c) # 計算 b 的字節數 if n % 2 != 0 : return "" n = n // 2 b = bytearray(n) j = 0 for i in range(0, n): c1 = c[j] c2 = c[j + 1 ] j = j + 2 c1 = c1 - 65 c2 = c2 - 65 b2 = c2 * 16 + c1 b1 = b2 ^ key b[i] = b1 try : return b.decode( " gbk " ) except : return " failed " key = 15 s1 = encrypt(key, ' hello world ' ) s2 = decrypt(key, s1) print s1, ' \n ' ,s2 # HGKGDGDGAGPCIHAGNHDGLG # hello world